wip: feat: Migrated version command to zig.

BREAKING CHANGE: Dir is now derived from Path rather than stored in the
DB. Your DB will need to be updated.

.envrc

@@ -1,3 +1,3 @@
 use flake
 
-export PATH="$PATH:./vendor/bin"
+export PATH=".:./deps/zig:./deps/zls:$PATH"

.github/workflows/go.yml

@@ -0,0 +1,28 @@
+# This workflow will build a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Go
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.24.6'
+
+    - name: Build
+      run: go build -v ./...
+
+    - name: Test
+      run: go test -v ./...

.github/workflows/release-please.yml

@@ -0,0 +1,25 @@
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
+name: release-please
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: googleapis/release-please-action@v4
+        with:
+          # this assumes that you have created a personal access token
+          # (PAT) and configured it as a GitHub action secret named
+          # `MY_RELEASE_PLEASE_TOKEN` (this secret name is not important).
+          token: ${{ secrets.MY_RELEASE_PLEASE_TOKEN }}
+          # this is a built-in strategy in release-please, see "Action Inputs"
+          # for more options
+          release-type: go

.gitignore

@@ -1,3 +1,16 @@
+# dev env
 .direnv
-node_modules
+
+# dependencies
+deps
 vendor
+
+# docs
+man 
+
+# build artifacts
+.zig-cache
+builds
+envr
+envr-go
+result

CHANGELOG.md

@@ -0,0 +1,51 @@
+# Changelog
+
+## [0.2.1](https://github.com/sbrow/envr/compare/v0.2.0...v0.2.1) (2026-01-12)
+
+
+### Bug Fixes
+
+* Added `add` as an alias for backup. ([cf363ab](https://github.com/sbrow/envr/commit/cf363abc4d8cec208d23c6acedbb7e0dd6900332))
+
+## [0.2.0](https://github.com/sbrow/envr/compare/v0.1.1...v0.2.0) (2025-11-10)
+
+
+### ⚠ BREAKING CHANGES
+
+* Dir is now derived from Path rather than stored in the DB. Your DB will need to be updated.
+* **scan:** The config value `scan.Exclude` is now a list rather than a string.
+* **check:** Renamed the `check` command to `deps`.
+* The config value `scan.Include` is now a list rather than a string.
+
+### Features
+
+* Added new `check` command. ([cbd74f3](https://github.com/sbrow/envr/commit/cbd74f387e2e330b2557d07dd82ba05cc91300ac))
+* **config:** The default config now filters out more junk. ([15be62b](https://github.com/sbrow/envr/commit/15be62b5a2a5a735b90b074497d645c5a2cfced8))
+* **init:** Added a `--force` flag for overwriting an existing config. ([169653d](https://github.com/sbrow/envr/commit/169653d7566f63730fb9da80a18330a566223be9))
+* Multiple scan includes are now supported. ([4273fa5](https://github.com/sbrow/envr/commit/4273fa58956d8736271a0af66202dca481126fe4))
+* **scan:** Added support for multiple exports. ([f43705c](https://github.com/sbrow/envr/commit/f43705cd53c6d87aef1f69df4e474441f25c1dc7))
+* **sync:** envr can now detect if directories have moved. ([4db0a4d](https://github.com/sbrow/envr/commit/4db0a4d33d2b6a79d13b36a8e8631f895e8fef8d))
+* **sync:** Now checks files for mismatched hashes before replacing. ([8074f7a](https://github.com/sbrow/envr/commit/8074f7ae6dfa54e931a198257f3f8e6d0cfe353a))
+
+
+### Bug Fixes
+
+* **check:** `fd` now correctly gets marked as found. ([17ce49c](https://github.com/sbrow/envr/commit/17ce49cd2d33942282c6f54ce819ac25978f6b7c))
+
+
+### Code Refactoring
+
+* **check:** Renamed the `check` command to `deps`. ([c9c34ce](https://github.com/sbrow/envr/commit/c9c34ce771653da214635f1df1fef1f23265c552))
+* Dir is no longer stored in the database. ([0fef74a](https://github.com/sbrow/envr/commit/0fef74a9bba0fbf3c34b66c2095955e6eee7047b))
+
+## [0.1.1](https://github.com/sbrow/envr/compare/v0.1.0...v0.1.1) (2025-11-05)
+
+
+### Features
+
+* **sync:** Results are now displayed in a table. ([42796ec](https://github.com/sbrow/envr/commit/42796ec77b1817e1b9f09068d76a7b6e30da246b))
+
+
+### Bug Fixes
+
+* **sync:** Fixed an issue where deleted folders would be restored. ([9ab72a2](https://github.com/sbrow/envr/commit/9ab72a25faf1af0eedb2f4574166c6ee47450ebb))

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Spencer Reid Brower
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

@@ -0,0 +1,92 @@
+# Makefile for envr - Environment file manager
+# Builds release artifacts for GitHub releases
+
+APP_NAME := envr
+VERSION := $(shell grep 'version = ' flake.nix | head -1 | sed 's/.*version = "\(.*\)";/\1/')
+BUILD_DIR := builds
+LDFLAGS := -X github.com/sbrow/envr/cmd.version=v$(VERSION) -s -w
+
+# Binary names
+LINUX_AMD64_BIN := $(BUILD_DIR)/$(APP_NAME)-$(VERSION)-linux-amd64
+LINUX_ARM64_BIN := $(BUILD_DIR)/$(APP_NAME)-$(VERSION)-linux-arm64
+DARWIN_ARM64_BIN := $(BUILD_DIR)/$(APP_NAME)-$(VERSION)-darwin-arm64
+
+.PHONY: all clean cleanall build-linux build-darwin compress release help
+
+# Default target
+all: release clean
+
+# Create build directory
+$(BUILD_DIR):
+	@mkdir -p $(BUILD_DIR)
+
+# Build Linux AMD64
+$(LINUX_AMD64_BIN): $(BUILD_DIR)
+	@echo "Building for Linux AMD64..."
+	GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags "$(LDFLAGS)" -o $(LINUX_AMD64_BIN) .
+	@echo "Built $(LINUX_AMD64_BIN)"
+
+# Build Linux ARM64
+$(LINUX_ARM64_BIN): $(BUILD_DIR)
+	@echo "Building for Linux ARM64..."
+	GOOS=linux GOARCH=arm64 CGO_ENABLED=0 go build -ldflags "$(LDFLAGS)" -o $(LINUX_ARM64_BIN) .
+	@echo "Built $(LINUX_ARM64_BIN)"
+
+# Build Darwin ARM64 (Mac)
+$(DARWIN_ARM64_BIN): $(BUILD_DIR)
+	@echo "Building for Darwin ARM64..."
+	GOOS=darwin GOARCH=arm64 CGO_ENABLED=0 go build -ldflags "$(LDFLAGS)" -o $(DARWIN_ARM64_BIN) .
+	@echo "Built $(DARWIN_ARM64_BIN)"
+
+# Build all binaries
+build-linux: $(LINUX_AMD64_BIN) $(LINUX_ARM64_BIN)
+build-darwin: $(DARWIN_ARM64_BIN)
+
+# Compress Linux artifacts with gzip
+$(BUILD_DIR)/$(APP_NAME)-$(VERSION)-linux-amd64.tar.gz: $(LINUX_AMD64_BIN)
+	@echo "Compressing Linux AMD64 artifact..."
+	cd $(BUILD_DIR) && tar -czf $(APP_NAME)-$(VERSION)-linux-amd64.tar.gz --transform 's|.*|$(APP_NAME)|' $(shell basename $(LINUX_AMD64_BIN))
+
+$(BUILD_DIR)/$(APP_NAME)-$(VERSION)-linux-arm64.tar.gz: $(LINUX_ARM64_BIN)
+	@echo "Compressing Linux ARM64 artifact..."
+	cd $(BUILD_DIR) && tar -czf $(APP_NAME)-$(VERSION)-linux-arm64.tar.gz --transform 's|.*|$(APP_NAME)|' $(shell basename $(LINUX_ARM64_BIN))
+
+# Compress Darwin artifacts with zip
+$(BUILD_DIR)/$(APP_NAME)-$(VERSION)-darwin-arm64.zip: $(DARWIN_ARM64_BIN)
+	@echo "Compressing Darwin ARM64 artifact..."
+	cd $(BUILD_DIR) && cp $(shell basename $(DARWIN_ARM64_BIN)) $(APP_NAME) && zip $(APP_NAME)-$(VERSION)-darwin-arm64.zip $(APP_NAME) && rm $(APP_NAME)
+
+# Compress all artifacts
+compress: $(BUILD_DIR)/$(APP_NAME)-$(VERSION)-linux-amd64.tar.gz \
+          $(BUILD_DIR)/$(APP_NAME)-$(VERSION)-linux-arm64.tar.gz \
+          $(BUILD_DIR)/$(APP_NAME)-$(VERSION)-darwin-arm64.zip
+
+# Build and compress all release artifacts
+release: build-linux build-darwin compress
+	@echo "Release artifacts created:"
+	@ls -la $(BUILD_DIR)/*.tar.gz $(BUILD_DIR)/*.zip 2>/dev/null || echo "No compressed artifacts found"
+
+# Clean binary files only
+clean:
+	@echo "Cleaning binary files..."
+	@rm -f $(LINUX_AMD64_BIN) $(LINUX_ARM64_BIN) $(DARWIN_ARM64_BIN)
+
+# Clean everything in build directory
+cleanall:
+	@echo "Cleaning build directory..."
+	@rm -rf $(BUILD_DIR)
+
+# Show available targets
+help:
+	@echo "Available targets:"
+	@echo "  all        - Build all release artifacts (default)"
+	@echo "  release    - Build and compress all release artifacts"
+	@echo "  build-linux - Build Linux binaries only"
+	@echo "  build-darwin - Build Darwin binaries only"
+	@echo "  compress   - Compress all built binaries"
+	@echo "  clean      - Remove binary files only"
+	@echo "  cleanall   - Remove entire build directory"
+	@echo "  help       - Show this help message"
+	@echo ""
+	@echo "Release artifacts will be created in $(BUILD_DIR)/"
+	@echo "Version: $(VERSION)"

README.md

@@ -0,0 +1,134 @@
+# envr - Backup your env files
+
+Have you ever wanted to back up all your .env files in case your hard drive gets
+nuked? `envr` makes it easier.
+
+`envr` is a binary application that tracks your `.env` files
+in an encyrpted sqlite database. Changes can be effortlessly synced with
+`envr sync`, and restored with `envr restore`.
+
+`envr` puts all your .env files in one safe place, so you can back them up with
+the tool [of your choosing](#backup-options).
+
+## Features
+
+- 🔐 **Encrypted Storage**: All `.env` files are encrypted using your ssh key and
+[age](https://github.com/FiloSottile/age) encryption.
+- 🔄 **Automatic Sync**: Update the database with one command, which can easily
+be run on a cron.
+- 🔍 **Smart Scanning**: Automatically discover and import `.env` files in your
+home directory.
+- ✨ **Interactive CLI**: User-friendly prompts for file selection and management.
+- 🗂️ **Rename Detection**: Automatically finds and updates renamed/moved
+repositories.
+
+## TODOS
+- [x] Rename Detection: automatically update moved files.
+- [ ] Allow use of keys from `ssh-agent`
+- [x] Allow configuration of ssh key.
+- [x] Allow multiple ssh keys.
+
+## Prerequisites
+
+- An SSH key pair (for encryption/decryption)
+- The following binaries:
+   - [fd](https://github.com/sharkdp/fd)
+   - [git](https://git-scm.com)
+
+## Installation
+
+### With Go
+
+If you already have `go` installed:
+
+```bash
+go install github.com/sbrow/envr
+envr init
+```
+
+### With Nix
+
+If you are a [nix](https://nixos.org/) user
+
+#### Try it out
+
+```bash
+nix run github.com:sbrow/envr --
+```
+
+#### Install it
+
+```nix
+# /etc/nixos/configuration.nix
+{ config, envr, system, ... }: {
+  environment.systemPackages = [
+    envr.packages.${system}.default
+  ];
+}
+```
+
+## Quick Start
+
+Check out the [man page](./docs/cli/envr.md) for the quick setup guide.
+
+## Disclaimers
+
+> [!CAUTION]
+> Do not lose your SSH key pair! Your backup will be **lost forever**.
+
+## Commands
+
+See [the docs](./docs/cli) for the current list of available commands.
+
+## Configuration
+
+The configuration file is created during initialization:
+
+```jsonc
+# Example ~/.envr/config.json
+{
+  "keys": [
+    {
+      "private": "/home/ubuntu/.ssh/id_ed25519",
+      "public": "/home/ubuntu/.ssh/id_ed25519.pub"
+    }
+  ],
+  "scan": {
+    "matcher": "\\.env",
+    "exclude": "*.envrc",
+    "include": "~"
+  }
+}
+```
+
+## Backup Options
+
+`envr` merely gathers your `.env` files in one local place. It is up to you to
+back up the database (found at `~/.envr/data.age`) to a *secure* and *remote*
+location.
+
+### Git
+
+`envr` preserves inodes when updating the database, so you can safely hardlink
+`~/.envr/data.age` into your [GNU Stow](https://www.gnu.org/software/stow/),
+[Home Manager](https://github.com/nix-community/home-manager), or
+[NixOS](https://nixos.wiki/wiki/flakes) repository.
+
+> [!CAUTION]
+> For **maximum security**, only save your `data.age` file to a local
+(i.e. non-cloud) git server that **you personally control**.
+>
+> I take no responsibility if you push all your secrets to a public GitHub repo.
+
+### restic
+
+[restic](https://restic.readthedocs.io/en/latest/010_introduction.html).
+
+## License
+
+This project is licensed under the [MIT License](./LICENSE).
+
+## Support
+
+For issues, feature requests, or questions, please
+[open an issue](https://github.com/sbrow/envr/issues).

WINDOWS.md

@@ -0,0 +1,92 @@
+# Windows Compatibility Guide
+
+This document outlines Windows compatibility issues and solutions for the envr project.
+
+## Critical Issues
+
+### 1. Path Handling Bug (MUST FIX)
+
+**File:** `app/env_file.go:209`
+
+**Issue:** Uses `path.Join` instead of `filepath.Join`, which won't work correctly on Windows due to different path separators.
+
+**Current code:**
+```go
+f.Path = path.Join(newDir, path.Base(f.Path))
+```
+
+**Fixed code:**
+```go
+f.Path = filepath.Join(newDir, filepath.Base(f.Path))
+```
+
+## External Dependencies
+
+The application relies on external tools that need to be installed separately on Windows:
+
+### Required Tools
+
+1. **fd** - Fast file finder
+   - Install via: `winget install sharkdp.fd` or `choco install fd`
+   - Alternative: `scoop install fd`
+
+2. **git** - Version control system
+   - Install via: `winget install Git.Git` or download from git-scm.com
+   - Usually already available on most development machines
+
+## Minor Compatibility Notes
+
+### File Permissions
+- Unix file permissions (`0755`, `0644`) are used throughout the codebase
+- These are safely ignored on Windows - no changes needed
+
+### Editor Configuration
+**File:** `cmd/edit_config.go:20-24`
+
+**Issue:** Relies on `$EDITOR` environment variable which is less common on Windows.
+
+**Current behavior:** Fails if `$EDITOR` is not set
+
+**Recommended improvement:** Add fallback detection for Windows editors:
+```go
+editor := os.Getenv("EDITOR")
+if editor == "" {
+    if runtime.GOOS == "windows" {
+        editor = "notepad.exe"  // or "code.exe" for VS Code
+    } else {
+        fmt.Println("Error: $EDITOR environment variable is not set")
+        return
+    }
+}
+```
+
+## Installation Instructions for Windows
+
+1. Install required dependencies:
+   ```powershell
+   winget install sharkdp.fd
+   winget install Git.Git
+   ```
+
+2. Fix the path handling bug in `app/env_file.go:209`
+
+3. Build and run as normal:
+   ```powershell
+   go build
+   .\envr.exe init
+   ```
+
+## Testing on Windows
+
+After applying the critical path fix, the core functionality should work correctly on Windows. The application has been designed with cross-platform compatibility in mind, using:
+
+- `filepath` package for path operations (mostly)
+- `os.UserHomeDir()` for home directory detection
+- Standard Go file operations
+
+## Summary
+
+- **1 critical bug** must be fixed for Windows compatibility
+- **2 external tools** need to be installed
+- **1 minor enhancement** recommended for better Windows UX
+- Overall architecture is Windows-compatible

app/config.go

@@ -0,0 +1,267 @@
+package app
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"strings"
+
+	"filippo.io/age"
+	"filippo.io/age/agessh"
+)
+
+type Config struct {
+	Keys       []SshKeyPair `json:"keys"`
+	ScanConfig scanConfig   `json:"scan"`
+}
+
+// Used by age to encrypt and decrypt the database.
+type SshKeyPair struct {
+	Private string `json:"private"` // Path to the private key file
+	Public  string `json:"public"`  // Path to the public key file
+}
+
+type scanConfig struct {
+	// TODO: Support multiple matchers
+	Matcher string   `json:"matcher"`
+	Exclude []string `json:"exclude"`
+	Include []string `json:"include"`
+}
+
+// Create a fresh config with sensible defaults.
+func NewConfig(privateKeyPaths []string) Config {
+	var keys = []SshKeyPair{}
+
+	for _, priv := range privateKeyPaths {
+		var key = SshKeyPair{
+			Private: priv,
+			Public:  priv + ".pub",
+		}
+
+		keys = append(keys, key)
+	}
+
+	return Config{
+		Keys: keys,
+		ScanConfig: scanConfig{
+			Matcher: "\\.env",
+			Exclude: []string{
+				"*\\.envrc",
+				"\\.local/",
+				"node_modules",
+				"vendor",
+			},
+			Include: []string{"~"},
+		},
+	}
+}
+
+// Read the Config from disk.
+func LoadConfig() (*Config, error) {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return nil, err
+	}
+
+	configPath := filepath.Join(homeDir, ".envr", "config.json")
+
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			return nil, fmt.Errorf("No config file found. Please run `envr init` to generate one.")
+		} else {
+			return nil, err
+		}
+	}
+
+	var config Config
+	if err := json.Unmarshal(data, &config); err != nil {
+		return nil, err
+	}
+
+	return &config, nil
+}
+
+// Write the Config to disk.
+func (c *Config) Save() error {
+	// Create the ~/.envr directory
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return err
+	}
+	configDir := filepath.Join(homeDir, ".envr")
+	if err := os.MkdirAll(configDir, 0755); err != nil {
+		return err
+	}
+
+	configPath := filepath.Join(configDir, "config.json")
+
+	// Check if file exists and is not empty
+	if info, err := os.Stat(configPath); err == nil {
+		if info.Size() > 0 {
+			return os.ErrExist
+		}
+	}
+
+	data, err := json.MarshalIndent(c, "", "  ")
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(configPath, data, 0644)
+}
+
+// buildFdArgs builds the fd command arguments with multiple exclude patterns
+func (c Config) buildFdArgs(searchPath string, includeIgnored bool) []string {
+	args := []string{"-a", c.ScanConfig.Matcher}
+
+	// Add exclude patterns
+	for _, exclude := range c.ScanConfig.Exclude {
+		args = append(args, "-E", exclude)
+	}
+
+	if includeIgnored {
+		args = append(args, "-HI")
+	} else {
+		args = append(args, "-H")
+	}
+
+	args = append(args, searchPath)
+	return args
+}
+
+// Use fd to find all ignored .env files that match the config's parameters
+func (c Config) scan() (paths []string, err error) {
+	searchPaths, err := c.searchPaths()
+	if err != nil {
+		return []string{}, err
+	}
+
+	for _, searchPath := range searchPaths {
+		// Find all files (including ignored ones)
+		fmt.Printf("Searching for all files in \"%s\"...\n", searchPath)
+		allCmd := exec.Command("fd", c.buildFdArgs(searchPath, true)...)
+		allOutput, err := allCmd.Output()
+		if err != nil {
+			return paths, err
+		}
+
+		allFiles := strings.Split(strings.TrimSpace(string(allOutput)), "\n")
+		if len(allFiles) == 1 && allFiles[0] == "" {
+			allFiles = []string{}
+		}
+
+		// Find unignored files
+		fmt.Printf("Search for unignored fies in \"%s\"...\n", searchPath)
+		unignoredCmd := exec.Command("fd", c.buildFdArgs(searchPath, false)...)
+		unignoredOutput, err := unignoredCmd.Output()
+		if err != nil {
+			return []string{}, err
+		}
+
+		unignoredFiles := strings.Split(strings.TrimSpace(string(unignoredOutput)), "\n")
+		if len(unignoredFiles) == 1 && unignoredFiles[0] == "" {
+			unignoredFiles = []string{}
+		}
+
+		// Create a map for faster lookup
+		unignoredMap := make(map[string]bool)
+		for _, file := range unignoredFiles {
+			unignoredMap[file] = true
+		}
+
+		// Filter to get only ignored files
+		var ignoredFiles []string
+		for _, file := range allFiles {
+			if !unignoredMap[file] {
+				ignoredFiles = append(ignoredFiles, file)
+			}
+		}
+
+		paths = append(paths, ignoredFiles...)
+	}
+
+	return paths, nil
+}
+
+func (c Config) searchPaths() (paths []string, err error) {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return paths, err
+	}
+
+	includes := c.ScanConfig.Include
+
+	for _, include := range includes {
+		path := strings.Replace(include, "~", homeDir, 1)
+		absPath, err := filepath.Abs(path)
+		if err != nil {
+			return paths, err
+		}
+
+		paths = append(paths, absPath)
+	}
+
+	return paths, nil
+}
+
+func (s SshKeyPair) identity() (age.Identity, error) {
+	sshKey, err := os.ReadFile(s.Private)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read SSH key: %w", err)
+	}
+
+	id, err := agessh.ParseIdentity(sshKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse SSH identity: %w", err)
+	}
+
+	return id, nil
+}
+
+func (s SshKeyPair) recipient() (age.Recipient, error) {
+	sshKey, err := os.ReadFile(s.Public)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read SSH key: %w", err)
+	}
+
+	id, err := agessh.ParseRecipient(string(sshKey))
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse SSH identity: %w", err)
+	}
+
+	return id, nil
+}
+
+// Use fd to find all git roots in the config's search paths
+func (c Config) findGitRoots() (paths []string, err error) {
+	searchPaths, err := c.searchPaths()
+	if err != nil {
+		return []string{}, err
+	}
+
+	for _, searchPath := range searchPaths {
+		allCmd := exec.Command("fd", "-H", "-t", "d", "^\\.git$", searchPath)
+		allOutput, err := allCmd.Output()
+		if err != nil {
+			return paths, err
+		}
+
+		allFiles := strings.Split(strings.TrimSpace(string(allOutput)), "\n")
+		if len(allFiles) == 1 && allFiles[0] == "" {
+			allFiles = []string{}
+		}
+
+		for i, file := range allFiles {
+			allFiles[i] = path.Dir(path.Clean(file))
+		}
+
+		paths = append(paths, allFiles...)
+	}
+
+	return paths, nil
+}

app/db.go

@@ -0,0 +1,421 @@
+package app
+
+// TODO: app/db.go should be reviewed.
+import (
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"slices"
+
+	"filippo.io/age"
+	_ "modernc.org/sqlite"
+)
+
+type Db struct {
+	db       *sql.DB
+	cfg      Config
+	features *AvailableFeatures
+	// If true, the database will be saved to disk before closing
+	changed bool
+}
+
+func Open() (*Db, error) {
+	cfg, err := LoadConfig()
+	if err != nil {
+		return nil, err
+	}
+
+	if _, err := os.Stat("/home/spencer/.envr/data.age"); err != nil {
+		// Create a new DB
+		db, err := newDb()
+		return &Db{db, *cfg, nil, true}, err
+	} else {
+		// Open the existing DB
+		tmpFile, err := os.CreateTemp("", "envr-*.db")
+		if err != nil {
+			return nil, fmt.Errorf("failed to create temp file: %w", err)
+		}
+		defer tmpFile.Close()
+		defer os.Remove(tmpFile.Name())
+
+		err = decryptDb(tmpFile.Name(), (*cfg).Keys)
+		if err != nil {
+			return nil, fmt.Errorf("failed to decrypt database: %w", err)
+		}
+
+		memDb, err := newDb()
+		if err != nil {
+			return nil, fmt.Errorf("failed to open temp database: %w", err)
+		}
+
+		restoreDB(tmpFile.Name(), memDb)
+
+		return &Db{memDb, *cfg, nil, false}, nil
+	}
+}
+
+// Creates the database for the first time
+func newDb() (*sql.DB, error) {
+	db, err := sql.Open("sqlite", ":memory:")
+
+	if err != nil {
+		return nil, err
+	} else {
+		_, err := db.Exec(`create table envr_env_files (
+      path text primary key not null
+    , remotes text -- JSON
+    , sha256 text not null
+    , contents text not null
+  );`)
+		if err != nil {
+			return nil, err
+		} else {
+			return db, err
+		}
+	}
+}
+
+// Decrypt the database from the age file into a temp sqlite file.
+func decryptDb(tmpFilePath string, keys []SshKeyPair) error {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return fmt.Errorf("failed to get user home directory: %w", err)
+	}
+
+	tmpFile, err := os.OpenFile(tmpFilePath, os.O_WRONLY, 0)
+	if err != nil {
+		return fmt.Errorf("failed to open temp file: %w", err)
+	}
+	defer tmpFile.Close()
+
+	ageFilePath := filepath.Join(homeDir, ".envr", "data.age")
+	ageFile, err := os.Open(ageFilePath)
+	if err != nil {
+		return fmt.Errorf("failed to open age file: %w", err)
+	}
+	defer ageFile.Close()
+
+	identities := make([]age.Identity, 0, len(keys))
+
+	for _, key := range keys {
+		id, err := key.identity()
+
+		if err != nil {
+			return err
+		}
+
+		identities = append(identities, id)
+	}
+
+	reader, err := age.Decrypt(ageFile, identities[:]...)
+	if err != nil {
+		return fmt.Errorf("failed to decrypt age file: %w", err)
+	}
+
+	_, err = io.Copy(tmpFile, reader)
+	if err != nil {
+		return fmt.Errorf("failed to copy decrypted content: %w", err)
+	}
+
+	return nil
+}
+
+// Restore the database from a file into memory
+func restoreDB(path string, destDB *sql.DB) error {
+	// Attach the source database
+	_, err := destDB.Exec("ATTACH DATABASE ? AS source", path)
+	if err != nil {
+		return fmt.Errorf("failed to attach database: %w", err)
+	}
+	defer destDB.Exec("DETACH DATABASE source")
+
+	// Copy data from source to destination
+	_, err = destDB.Exec("INSERT INTO main.envr_env_files SELECT * FROM source.envr_env_files")
+	if err != nil {
+		return fmt.Errorf("failed to copy data: %w", err)
+	}
+
+	return nil
+}
+
+// Returns all the EnvFiles present in the database.
+func (db *Db) List() (results []EnvFile, err error) {
+	rows, err := db.db.Query("select path, remotes, sha256, contents from envr_env_files")
+
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var envFile EnvFile
+		var remotesJson []byte
+		err := rows.Scan(&envFile.Path, &remotesJson, &envFile.Sha256, &envFile.contents)
+		if err != nil {
+			return nil, err
+		}
+
+		// Populate Dir from Path
+		envFile.Dir = filepath.Dir(envFile.Path)
+
+		if err := json.Unmarshal(remotesJson, &envFile.Remotes); err != nil {
+			return nil, err
+		}
+
+		results = append(results, envFile)
+	}
+
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+
+	return results, nil
+}
+
+func (db *Db) Close() error {
+	defer db.db.Close()
+
+	if db.changed {
+		// Create tmp file
+		tmpFile, err := os.CreateTemp("", "envr-*.db")
+		if err != nil {
+			return fmt.Errorf("failed to create temp file: %w", err)
+		}
+		defer tmpFile.Close()
+		defer os.Remove(tmpFile.Name())
+
+		if err := backupDb(db.db, tmpFile.Name()); err != nil {
+			return err
+		}
+
+		if err := encryptDb(tmpFile.Name(), db.cfg.Keys); err != nil {
+			return err
+		}
+
+		db.changed = false
+	}
+
+	return nil
+}
+
+// Save the in-memory database to a tmp file.
+func backupDb(memDb *sql.DB, tmpFilePath string) error {
+	_, err := memDb.Exec("VACUUM INTO ?", tmpFilePath)
+	if err != nil {
+		return fmt.Errorf("failed to vacuum database to file: %w", err)
+	}
+
+	return nil
+}
+
+// Encrypt the database from the temp sqlite file into an age file.
+func encryptDb(tmpFilePath string, keys []SshKeyPair) error {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return fmt.Errorf("failed to get user home directory: %w", err)
+	}
+	ageFilePath := filepath.Join(homeDir, ".envr", "data.age")
+
+	// Ensure .envr directory exists
+	err = os.MkdirAll(filepath.Dir(ageFilePath), 0755)
+	if err != nil {
+		return fmt.Errorf("failed to create .envr directory: %w", err)
+	}
+
+	// Open temp file for reading
+	tmpFile, err := os.Open(tmpFilePath)
+	if err != nil {
+		return fmt.Errorf("failed to open temp file: %w", err)
+	}
+	defer tmpFile.Close()
+
+	// Open/create age file for writing (this preserves hardlinks)
+	ageFile, err := os.OpenFile(ageFilePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return fmt.Errorf("failed to open age file: %w", err)
+	}
+	defer ageFile.Close()
+
+	recipients := make([]age.Recipient, 0, len(keys))
+	for _, key := range keys {
+		recipient, err := key.recipient()
+
+		if err != nil {
+			return err
+		}
+
+		recipients = append(recipients, recipient)
+	}
+
+	writer, err := age.Encrypt(ageFile, recipients...)
+	if err != nil {
+		return fmt.Errorf("failed to create age writer: %w", err)
+	}
+
+	_, err = io.Copy(writer, tmpFile)
+	if err != nil {
+		return fmt.Errorf("failed to encrypt and write data: %w", err)
+	}
+
+	err = writer.Close()
+	if err != nil {
+		return fmt.Errorf("failed to close age writer: %w", err)
+	}
+
+	return nil
+}
+
+func (db *Db) Insert(file EnvFile) error {
+	// Marshal remotes to JSON
+	remotesJSON, err := json.Marshal(file.Remotes)
+	if err != nil {
+		return fmt.Errorf("failed to marshal remotes: %w", err)
+	}
+
+	// Insert into database
+	_, err = db.db.Exec(`
+		INSERT OR REPLACE INTO envr_env_files (path, remotes, sha256, contents)
+		VALUES (?, ?, ?, ?)
+	`, file.Path, string(remotesJSON), file.Sha256, file.contents)
+
+	if err != nil {
+		return fmt.Errorf("failed to insert env file: %w", err)
+	}
+
+	db.changed = true
+
+	return nil
+}
+
+// Select a single EnvFile from the database.
+func (db *Db) Fetch(path string) (envFile EnvFile, err error) {
+	var remotesJSON string
+
+	row := db.db.QueryRow("SELECT path, remotes, sha256, contents FROM envr_env_files WHERE path = ?", path)
+	err = row.Scan(&envFile.Path, &remotesJSON, &envFile.Sha256, &envFile.contents)
+	if err != nil {
+		return EnvFile{}, fmt.Errorf("failed to fetch env file: %w", err)
+	}
+
+	// Populate Dir from Path
+	envFile.Dir = filepath.Dir(envFile.Path)
+
+	if err = json.Unmarshal([]byte(remotesJSON), &envFile.Remotes); err != nil {
+		return EnvFile{}, fmt.Errorf("failed to unmarshal remotes: %w", err)
+	}
+
+	return envFile, nil
+}
+
+// Removes a file from the database, if present.
+func (db *Db) Delete(path string) error {
+	result, err := db.db.Exec("DELETE FROM envr_env_files WHERE path = ?", path)
+	if err != nil {
+		return fmt.Errorf("failed to delete env file: %w", err)
+	}
+
+	rowsAffected, err := result.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("failed to get rows affected: %w", err)
+	}
+
+	if rowsAffected == 0 {
+		return fmt.Errorf("no file found with path: %s", path)
+	}
+
+	db.changed = true
+
+	return nil
+}
+
+// Finds .env files in the filesystem that aren't present in the database.
+// path overrides the already configured
+func (db *Db) Scan(paths []string) ([]string, error) {
+	cfg := db.cfg
+
+	if paths != nil {
+		cfg.ScanConfig.Include = paths
+	}
+
+	all_paths, err := cfg.scan()
+	if err != nil {
+		return []string{}, err
+	}
+
+	untracked_paths := make([]string, 0, len(all_paths)/2)
+	env_files, err := db.List()
+
+	if err != nil {
+		return untracked_paths, err
+	}
+
+	for _, path := range all_paths {
+		backed_up := slices.ContainsFunc(env_files, func(e EnvFile) bool {
+			return e.Path == path
+		})
+
+		if backed_up {
+			continue
+		} else {
+			untracked_paths = append(untracked_paths, path)
+		}
+	}
+
+	return untracked_paths, nil
+}
+
+// Determine the available features on the installed system.
+func (db *Db) Features() AvailableFeatures {
+	if db.features == nil {
+		feats := checkFeatures()
+		db.features = &feats
+	}
+
+	return *db.features
+}
+
+// Returns nil if [Db.Scan] is safe to use, null otherwise.
+func (db *Db) CanScan() error {
+	if db.Features()&Fd == 0 {
+		return fmt.Errorf(
+			"please install fd to use the scan function (https://github.com/sharkdp/fd)",
+		)
+	} else {
+		return nil
+	}
+}
+
+// If true, [Db.Insert] should be called on the [EnvFile] that generated
+// the given result
+func (db Db) UpdateRequired(status EnvFileSyncResult) bool {
+	return status&(BackedUp|DirUpdated) != 0
+}
+
+func (db *Db) Sync(file *EnvFile) (result EnvFileSyncResult, err error) {
+	// TODO: This results in findMovedDirs being called multiple times.
+	return file.sync(TrustFilesystem, db)
+}
+
+// Looks for git directories that share one or more git remotes with
+// the given file.
+func (db Db) findMovedDirs(file *EnvFile) (movedDirs []string, err error) {
+	if err = db.Features().validateFeatures(Fd, Git); err != nil {
+		return movedDirs, err
+	}
+
+	gitRoots, err := db.cfg.findGitRoots()
+	if err != nil {
+		return movedDirs, err
+	} else {
+		for _, dir := range gitRoots {
+			if file.sharesRemote(getGitRemotes(dir)) {
+				movedDirs = append(movedDirs, dir)
+			}
+		}
+
+		return movedDirs, nil
+	}
+}

app/env_file.go

@@ -0,0 +1,244 @@
+package app
+
+import (
+	"crypto/sha256"
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+type EnvFile struct {
+	// TODO: Should use FileName in the struct and derive from the path.
+	Path string
+	// Dir is derived from Path, and is not stored in the database.
+	Dir      string
+	Remotes  []string // []string
+	Sha256   string
+	contents string
+}
+
+// The result returned by [EnvFile.Sync]
+type EnvFileSyncResult int
+
+const (
+	// The filesystem contents matches the struct
+	// no further action is required.
+	Noop EnvFileSyncResult = 0
+	// The directory changed, but the file contents matched.
+	// The database must be updated.
+	DirUpdated EnvFileSyncResult = 1
+	// The filesystem has been restored to match the struct
+	// no further action is required.
+	Restored EnvFileSyncResult = 1 << 1
+	// The filesystem has been restored to match the struct.
+	// The directory changed, so the database must be updated
+	RestoredAndDirUpdated EnvFileSyncResult = Restored | DirUpdated
+	// The struct has been updated from the filesystem
+	// and should be updated in the database.
+	BackedUp EnvFileSyncResult = 1 << 2
+	Error    EnvFileSyncResult = 1 << 3
+)
+
+// Determines the source of truth when calling [EnvFile.Sync] or [EnvFile.Restore]
+type syncDirection int
+
+const (
+	TrustDatabase syncDirection = iota
+	TrustFilesystem
+)
+
+func NewEnvFile(path string) EnvFile {
+	// Get absolute path and directory
+	absPath, err := filepath.Abs(path)
+	if err != nil {
+		panic(fmt.Errorf("failed to get absolute path: %w", err))
+	}
+	dir := filepath.Dir(absPath)
+
+	// Get git remotes
+	remotes := getGitRemotes(dir)
+
+	// Read the file contents
+	contents, err := os.ReadFile(path)
+	if err != nil {
+		panic(fmt.Errorf("failed to read file %s: %w", path, err))
+	}
+
+	// Calculate SHA256 hash
+	hash := sha256.Sum256(contents)
+	sha256Hash := fmt.Sprintf("%x", hash)
+
+	return EnvFile{
+		Path:     absPath,
+		Dir:      dir,
+		Remotes:  remotes,
+		Sha256:   sha256Hash,
+		contents: string(contents),
+	}
+}
+
+func getGitRemotes(dir string) []string {
+	// TODO: Check for Git flag and change behaviour if unset.
+	cmd := exec.Command("git", "remote", "-v")
+	cmd.Dir = dir
+
+	output, err := cmd.Output()
+	if err != nil {
+		// Not a git repository or git command failed
+		return []string{}
+	}
+
+	lines := strings.Split(strings.TrimSpace(string(output)), "\n")
+	remoteSet := make(map[string]bool)
+
+	for _, line := range lines {
+		if line == "" {
+			continue
+		}
+		parts := strings.Fields(line)
+		if len(parts) >= 2 {
+			remoteSet[parts[1]] = true
+		}
+	}
+
+	remotes := make([]string, 0, len(remoteSet))
+	for remote := range remoteSet {
+		remotes = append(remotes, remote)
+	}
+
+	return remotes
+}
+
+// Reconcile the state of the database with the state of the filesystem, using
+// dir to determine which side to use a the source of truth.
+func (f *EnvFile) sync(dir syncDirection, db *Db) (result EnvFileSyncResult, err error) {
+	if result != Noop {
+		panic("Invalid state")
+	}
+
+	if _, err := os.Stat(f.Dir); err != nil {
+		// Directory doesn't exist
+
+		var movedDirs []string
+
+		if db != nil {
+			movedDirs, err = db.findMovedDirs(f)
+		}
+		if err != nil {
+			return Error, err
+		} else {
+			switch len(movedDirs) {
+			case 0:
+				return Error, fmt.Errorf("directory missing")
+			case 1:
+				f.updateDir(movedDirs[0])
+				result |= DirUpdated
+			default:
+				return Error, fmt.Errorf("multiple directories found")
+			}
+		}
+	}
+
+	if _, err := os.Stat(f.Path); err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			if err := os.WriteFile(f.Path, []byte(f.contents), 0644); err != nil {
+				return Error, fmt.Errorf("failed to write file: %w", err)
+			}
+
+			return result | Restored, nil
+		} else {
+			return Error, err
+		}
+	} else {
+		// File exists, check its hash
+		contents, err := os.ReadFile(f.Path)
+		if err != nil {
+			return Error, fmt.Errorf("failed to read file for SHA comparison: %w", err)
+		}
+
+		hash := sha256.Sum256(contents)
+		currentSha := fmt.Sprintf("%x", hash)
+
+		// Compare the hashes
+		if currentSha == f.Sha256 {
+			// No op, or DirUpdated
+			return result, nil
+		} else {
+			switch dir {
+			case TrustDatabase:
+				if err := os.WriteFile(f.Path, []byte(f.contents), 0644); err != nil {
+					return Error, fmt.Errorf("failed to write file: %w", err)
+				}
+
+				return result | Restored, nil
+			case TrustFilesystem:
+				// Overwrite the database
+				if err = f.Backup(); err != nil {
+					return Error, err
+				} else {
+					return BackedUp, nil
+				}
+			default:
+				panic("unknown sync direction")
+			}
+		}
+	}
+}
+
+func (f *EnvFile) sharesRemote(remotes []string) bool {
+	rMap := make(map[string]bool)
+	for _, remote := range f.Remotes {
+		rMap[remote] = true
+	}
+
+	for _, remote := range remotes {
+		if rMap[remote] {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (f *EnvFile) updateDir(newDir string) {
+	f.Dir = newDir
+	f.Path = path.Join(newDir, path.Base(f.Path))
+	f.Remotes = getGitRemotes(newDir)
+}
+
+// Try to reconcile the EnvFile with the filesystem.
+//
+// If Updated is returned, [Db.Insert] should be called on file.
+func (file *EnvFile) Sync() (result EnvFileSyncResult, err error) {
+	return file.sync(TrustFilesystem, nil)
+}
+
+// Install the file into the file system. If the file already exists,
+// it will be overwritten.
+func (file EnvFile) Restore() error {
+	_, err := file.sync(TrustDatabase, nil)
+
+	return err
+}
+
+// Update the EnvFile using the file system.
+func (file *EnvFile) Backup() error {
+	// Read the contents of the file
+	contents, err := os.ReadFile(file.Path)
+	if err != nil {
+		return fmt.Errorf("failed to read file %s: %w", file.Path, err)
+	}
+
+	// Update file.contents to match
+	file.contents = string(contents)
+
+	// Update file.sha256
+	hash := sha256.Sum256(contents)
+	file.Sha256 = fmt.Sprintf("%x", hash)
+
+	return nil
+}

app/features.go

@@ -0,0 +1,60 @@
+package app
+
+import (
+	"fmt"
+	"os/exec"
+)
+
+type MissingFeatureError struct {
+	feature AvailableFeatures
+}
+
+func (m *MissingFeatureError) Error() string {
+	return fmt.Sprintf("Missing \"%s\" feature", m.feature)
+}
+
+// TODO: Features should really be renamed to Binaries
+
+// Represents which binaries are present in $PATH.
+// Used to fail safely when required features are unavailable
+type AvailableFeatures int
+
+const (
+	Git AvailableFeatures = 1
+	// fd
+	Fd AvailableFeatures = 2
+	// All features are present
+	All AvailableFeatures = Git | Fd
+)
+
+// Checks for available features.
+func checkFeatures() (feats AvailableFeatures) {
+	// Check for git binary
+	if _, err := exec.LookPath("git"); err == nil {
+		feats |= Git
+	}
+
+	// Check for fd binary
+	if _, err := exec.LookPath("fd"); err == nil {
+		feats |= Fd
+	}
+
+	return feats
+}
+
+// Returns a MissingFeature error if the given features aren't present.
+func (a AvailableFeatures) validateFeatures(features ...AvailableFeatures) error {
+	var missing AvailableFeatures
+
+	for _, feat := range features {
+		if a&feat == 0 {
+			missing |= feat
+		}
+	}
+
+	if missing == 0 {
+		return nil
+	} else {
+		return &MissingFeatureError{missing}
+	}
+}

build.zig

@@ -0,0 +1,156 @@
+const std = @import("std");
+
+// Although this function looks imperative, it does not perform the build
+// directly and instead it mutates the build graph (`b`) that will be then
+// executed by an external runner. The functions in `std.Build` implement a DSL
+// for defining build steps and express dependencies between them, allowing the
+// build runner to parallelize the build automatically (and the cache system to
+// know when a step doesn't need to be re-run).
+pub fn build(b: *std.Build) void {
+    // Standard target options allow the person running `zig build` to choose
+    // what target to build for. Here we do not override the defaults, which
+    // means any target is allowed, and the default is native. Other options
+    // for restricting supported target set are available.
+    const target = b.standardTargetOptions(.{});
+    // Standard optimization options allow the person running `zig build` to select
+    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
+    // set a preferred release mode, allowing the user to decide how to optimize.
+    const optimize = b.standardOptimizeOption(.{});
+    // It's also possible to define more custom flags to toggle optional features
+    // of this build script using `b.option()`. All defined flags (including
+    // target and optimize options) will be listed when running `zig build --help`
+    // in this directory.
+
+    // This creates a module, which represents a collection of source files alongside
+    // some compilation options, such as optimization mode and linked system libraries.
+    // Zig modules are the preferred way of making Zig code available to consumers.
+    // addModule defines a module that we intend to make available for importing
+    // to our consumers. We must give it a name because a Zig package can expose
+    // multiple modules and consumers will need to be able to specify which
+    // module they want to access.
+    const mod = b.addModule("envr", .{
+        // The root source file is the "entry point" of this module. Users of
+        // this module will only be able to access public declarations contained
+        // in this file, which means that if you have declarations that you
+        // intend to expose to consumers that were defined in other files part
+        // of this module, you will have to make sure to re-export them from
+        // the root file.
+        .root_source_file = b.path("src/root.zig"),
+        // Later on we'll use this module as the root module of a test executable
+        // which requires us to specify a target.
+        .target = target,
+    });
+
+    // Here we define an executable. An executable needs to have a root module
+    // which needs to expose a `main` function. While we could add a main function
+    // to the module defined above, it's sometimes preferable to split business
+    // logic and the CLI into two separate modules.
+    //
+    // If your goal is to create a Zig library for others to use, consider if
+    // it might benefit from also exposing a CLI tool. A parser library for a
+    // data serialization format could also bundle a CLI syntax checker, for example.
+    //
+    // If instead your goal is to create an executable, consider if users might
+    // be interested in also being able to embed the core functionality of your
+    // program in their own executable in order to avoid the overhead involved in
+    // subprocessing your CLI tool.
+    //
+    // If neither case applies to you, feel free to delete the declaration you
+    // don't need and to put everything under a single module.
+    const exe = b.addExecutable(.{
+        .name = "envr",
+        .root_module = b.createModule(.{
+            // b.createModule defines a new module just like b.addModule but,
+            // unlike b.addModule, it does not expose the module to consumers of
+            // this package, which is why in this case we don't have to give it a name.
+            .root_source_file = b.path("src/main.zig"),
+            // Target and optimization levels must be explicitly wired in when
+            // defining an executable or library (in the root module), and you
+            // can also hardcode a specific target for an executable or library
+            // definition if desireable (e.g. firmware for embedded devices).
+            .target = target,
+            .optimize = optimize,
+            // List of modules available for import in source files part of the
+            // root module.
+            .imports = &.{
+                // Here "envr" is the name you will use in your source code to
+                // import this module (e.g. `@import("envr")`). The name is
+                // repeated because you are allowed to rename your imports, which
+                // can be extremely useful in case of collisions (which can happen
+                // importing modules from different packages).
+                .{ .name = "envr", .module = mod },
+            },
+        }),
+    });
+
+    // This declares intent for the executable to be installed into the
+    // install prefix when running `zig build` (i.e. when executing the default
+    // step). By default the install prefix is `zig-out/` but can be overridden
+    // by passing `--prefix` or `-p`.
+    b.installArtifact(exe);
+
+    // This creates a top level step. Top level steps have a name and can be
+    // invoked by name when running `zig build` (e.g. `zig build run`).
+    // This will evaluate the `run` step rather than the default step.
+    // For a top level step to actually do something, it must depend on other
+    // steps (e.g. a Run step, as we will see in a moment).
+    const run_step = b.step("run", "Run the app");
+
+    // This creates a RunArtifact step in the build graph. A RunArtifact step
+    // invokes an executable compiled by Zig. Steps will only be executed by the
+    // runner if invoked directly by the user (in the case of top level steps)
+    // or if another step depends on it, so it's up to you to define when and
+    // how this Run step will be executed. In our case we want to run it when
+    // the user runs `zig build run`, so we create a dependency link.
+    const run_cmd = b.addRunArtifact(exe);
+    run_step.dependOn(&run_cmd.step);
+
+    // By making the run step depend on the default step, it will be run from the
+    // installation directory rather than directly from within the cache directory.
+    run_cmd.step.dependOn(b.getInstallStep());
+
+    // This allows the user to pass arguments to the application in the build
+    // command itself, like this: `zig build run -- arg1 arg2 etc`
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    // Creates an executable that will run `test` blocks from the provided module.
+    // Here `mod` needs to define a target, which is why earlier we made sure to
+    // set the releative field.
+    const mod_tests = b.addTest(.{
+        .root_module = mod,
+    });
+
+    // A run step that will run the test executable.
+    const run_mod_tests = b.addRunArtifact(mod_tests);
+
+    // Creates an executable that will run `test` blocks from the executable's
+    // root module. Note that test executables only test one module at a time,
+    // hence why we have to create two separate ones.
+    const exe_tests = b.addTest(.{
+        .root_module = exe.root_module,
+    });
+
+    // A run step that will run the second test executable.
+    const run_exe_tests = b.addRunArtifact(exe_tests);
+
+    // A top level step for running all tests. dependOn can be called multiple
+    // times and since the two run steps do not depend on one another, this will
+    // make the two of them run in parallel.
+    const test_step = b.step("test", "Run tests");
+    test_step.dependOn(&run_mod_tests.step);
+    test_step.dependOn(&run_exe_tests.step);
+
+    // Just like flags, top level steps are also listed in the `--help` menu.
+    //
+    // The Zig build system is entirely implemented in userland, which means
+    // that it cannot hook into private compiler APIs. All compilation work
+    // orchestrated by the build system will result in other Zig compiler
+    // subcommands being invoked with the right flags defined. You can observe
+    // these invocations when one fails (or you pass a flag to increase
+    // verbosity) to validate assumptions and diagnose problems.
+    //
+    // Lastly, the Zig build system is relatively simple and self-contained,
+    // and reading its source code will allow you to master it.
+}

build.zig.zon

@@ -0,0 +1,81 @@
+.{
+    // This is the default name used by packages depending on this one. For
+    // example, when a user runs `zig fetch --save <url>`, this field is used
+    // as the key in the `dependencies` table. Although the user can choose a
+    // different name, most users will stick with this provided value.
+    //
+    // It is redundant to include "zig" in this name because it is already
+    // within the Zig package namespace.
+    .name = .envr,
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.0.0",
+    // Together with name, this represents a globally unique package
+    // identifier. This field is generated by the Zig toolchain when the
+    // package is first created, and then *never changes*. This allows
+    // unambiguous detection of one package being an updated version of
+    // another.
+    //
+    // When forking a Zig project, this id should be regenerated (delete the
+    // field and run `zig build`) if the upstream project is still maintained.
+    // Otherwise, the fork is *hostile*, attempting to take control over the
+    // original project's identity. Thus it is recommended to leave the comment
+    // on the following line intact, so that it shows up in code reviews that
+    // modify the field.
+    .fingerprint = 0xa89bf067266a3e10, // Changing this has security and trust implications.
+    // Tracks the earliest Zig version that the package considers to be a
+    // supported use case.
+    .minimum_zig_version = "0.16.0",
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        // See `zig fetch --save <url>` for a command-line interface for adding dependencies.
+        //.example = .{
+        //    // When updating this field to a new URL, be sure to delete the corresponding
+        //    // `hash`, otherwise you are communicating that you expect to find the old hash at
+        //    // the new URL. If the contents of a URL change this will result in a hash mismatch
+        //    // which will prevent zig from using it.
+        //    .url = "https://example.com/foo.tar.gz",
+        //
+        //    // This is computed from the file contents of the directory of files that is
+        //    // obtained after fetching `url` and applying the inclusion rules given by
+        //    // `paths`.
+        //    //
+        //    // This field is the source of truth; packages do not come from a `url`; they
+        //    // come from a `hash`. `url` is just one of many possible mirrors for how to
+        //    // obtain a package matching this `hash`.
+        //    //
+        //    // Uses the [multihash](https://multiformats.io/multihash/) format.
+        //    .hash = "...",
+        //
+        //    // When this is provided, the package is found in a directory relative to the
+        //    // build root. In this case the package's hash is irrelevant and therefore not
+        //    // computed. This field and `url` are mutually exclusive.
+        //    .path = "foo",
+        //
+        //    // When this is set to `true`, a package is declared to be lazily
+        //    // fetched. This makes the dependency only get fetched if it is
+        //    // actually used.
+        //    .lazy = false,
+        //},
+    },
+    // Specifies the set of files and directories that are included in this package.
+    // Only files and directories listed here are included in the `hash` that
+    // is computed for this package. Only files listed here will remain on disk
+    // when using the zig package manager. As a rule of thumb, one should list
+    // files required for compilation plus any license(s).
+    // Paths are relative to the build root. Use the empty string (`""`) to refer to
+    // the build root itself.
+    // A directory listed here means that all files within, recursively, are included.
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        // For example...
+        //"LICENSE",
+        //"README.md",
+    },
+}

cmd/backup.go

@@ -0,0 +1,56 @@
+/*
+Copyright © 2025 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+// backupCmd represents the backup command
+var backupCmd = &cobra.Command{
+	Use:     "backup <path>",
+	Short:   "Import a .env file into envr",
+	Aliases: []string{"add"},
+	Args:    cobra.ExactArgs(1),
+	// Long: `Long desc`
+	RunE: func(cmd *cobra.Command, args []string) error {
+		path := args[0]
+		if len(strings.TrimSpace(path)) == 0 {
+			return fmt.Errorf("No path provided")
+		}
+
+		db, err := app.Open()
+		if err != nil {
+			return err
+		} else {
+			defer db.Close()
+			record := app.NewEnvFile(path)
+
+			if err := db.Insert(record); err != nil {
+				return err
+			} else {
+				fmt.Printf("Saved %s into the database", path)
+				return nil
+			}
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(backupCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// backupCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// backupCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}

cmd/check.go

@@ -0,0 +1,109 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+var checkCmd = &cobra.Command{
+	Use:   "check [path]",
+	Short: "check if files in the current directory are backed up",
+	// TODO: Long description for new check command
+	Args: cobra.MaximumNArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		// Accept an optional path arg, default to current working directory
+		var checkPath string
+		if len(args) > 0 {
+			checkPath = args[0]
+		} else {
+			cwd, err := os.Getwd()
+			if err != nil {
+				return fmt.Errorf("failed to get current working directory: %w", err)
+			}
+			checkPath = cwd
+		}
+
+		// Get absolute path
+		absPath, err := filepath.Abs(checkPath)
+		if err != nil {
+			return fmt.Errorf("failed to get absolute path: %w", err)
+		}
+
+		// Open database
+		db, err := app.Open()
+		if err != nil {
+			return fmt.Errorf("failed to open database: %w", err)
+		}
+		defer db.Close()
+
+		// Check if the path is a file or directory
+		info, err := os.Stat(absPath)
+		if err != nil {
+			return fmt.Errorf("failed to stat path: %w", err)
+		}
+
+		var filesInPath []string
+
+		if info.IsDir() {
+			// Find .env files in the specified directory
+			if err := db.CanScan(); err != nil {
+				return err
+			}
+
+			// Scan only the specified path for .env files
+			filesInPath, err = db.Scan([]string{absPath})
+			if err != nil {
+				return fmt.Errorf("failed to scan path for env files: %w", err)
+			}
+		} else {
+			// Path is a file, just check this specific file
+			filesInPath = []string{absPath}
+		}
+
+		// Get all backed up files from the database
+		envFiles, err := db.List()
+		if err != nil {
+			return fmt.Errorf("failed to list files from database: %w", err)
+		}
+
+		// Check which files are not backed up
+		var notBackedUp []string
+		for _, file := range filesInPath {
+			isBackedUp := false
+			for _, envFile := range envFiles {
+				if envFile.Path == file {
+					isBackedUp = true
+					break
+				}
+			}
+			if !isBackedUp {
+				notBackedUp = append(notBackedUp, file)
+			}
+		}
+
+		// Display results
+		if len(notBackedUp) == 0 {
+			if len(filesInPath) == 0 {
+				fmt.Println("No .env files found in the specified directory.")
+			} else {
+				fmt.Println("✓ All .env files in the directory are backed up.")
+			}
+		} else {
+			fmt.Printf("Found %d .env file(s) that are not backed up:\n", len(notBackedUp))
+			for _, file := range notBackedUp {
+				fmt.Printf("  %s\n", file)
+			}
+			fmt.Println("\nRun 'envr sync' to back up these files.")
+		}
+
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(checkCmd)
+}

cmd/deps.go

@@ -0,0 +1,51 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/olekukonko/tablewriter"
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+var depsCmd = &cobra.Command{
+	Use:   "deps",
+	Short: "Check for missing binaries",
+	Long: `envr relies on external binaries for certain functionality.
+
+The check command reports on which binaries are available and which are not.`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		db, err := app.Open()
+		if err != nil {
+			return err
+		} else {
+			defer db.Close()
+			features := db.Features()
+
+			table := tablewriter.NewWriter(os.Stdout)
+			table.Header([]string{"Feature", "Status"})
+
+			// Check Git
+			if features&app.Git == 1 {
+				table.Append([]string{"Git", "✓ Available"})
+			} else {
+				table.Append([]string{"Git", "✗ Missing"})
+			}
+
+			// Check fd
+			if features&app.Fd == app.Fd {
+				table.Append([]string{"fd", "✓ Available"})
+			} else {
+				table.Append([]string{"fd", "✗ Missing"})
+			}
+
+			table.Render()
+
+			return nil
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(depsCmd)
+}

cmd/edit_config.go

@@ -0,0 +1,55 @@
+/*
+Copyright © 2025 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+)
+
+var editConfigCmd = &cobra.Command{
+	Use:   "edit-config",
+	Short: "Edit your config with your default editor",
+	// Long: ``,
+	Run: func(cmd *cobra.Command, args []string) {
+		editor := os.Getenv("EDITOR")
+		if editor == "" {
+			fmt.Println("Error: $EDITOR environment variable is not set")
+			return
+		}
+
+		homeDir, err := os.UserHomeDir()
+		if err != nil {
+			fmt.Printf("Error getting home directory: %v\n", err)
+			return
+		}
+
+		configPath := filepath.Join(homeDir, ".envr", "config.json")
+
+		// Check if config file exists
+		if _, err := os.Stat(configPath); os.IsNotExist(err) {
+			fmt.Printf("Config file does not exist at %s. Run 'envr init' first.\n", configPath)
+			return
+		}
+
+		// Execute the editor
+		execCmd := exec.Command(editor, configPath)
+		execCmd.Stdin = os.Stdin
+		execCmd.Stdout = os.Stdout
+		execCmd.Stderr = os.Stderr
+
+		if err := execCmd.Run(); err != nil {
+			fmt.Printf("Error running editor: %v\n", err)
+			return
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(editConfigCmd)
+}

cmd/init.go

@@ -0,0 +1,96 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+var initCmd = &cobra.Command{
+	Use:   "init",
+	Short: "Set up envr",
+	Long: `The init command generates your initial config and saves it to
+~/.envr/config in JSON format.
+
+During setup, you will be prompted to select one or more ssh keys with which to
+encrypt your databse. **Make 100% sure** that you have **a remote copy** of this
+key somewhere, otherwise your data could be lost forever.`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		force, _ := cmd.Flags().GetBool("force")
+		config, _ := app.LoadConfig()
+
+		if config == nil || force {
+			keys, err := selectSSHKeys()
+			if err != nil {
+				return fmt.Errorf("Error selecting SSH keys: %v", err)
+			}
+
+			if len(keys) == 0 {
+				return fmt.Errorf("No SSH keys selected - Config not created")
+			}
+
+			cfg := app.NewConfig(keys)
+			if err := cfg.Save(); err != nil {
+				return err
+			}
+
+			fmt.Printf("Config initialized with %d SSH key(s). You are ready to use envr.\n", len(keys))
+			return nil
+		} else {
+			return fmt.Errorf(`You have already initialized envr.
+Run again with the --force flag if you want to reinitialize.
+`)
+		}
+	},
+}
+
+func init() {
+	initCmd.Flags().BoolP("force", "f", false, "Overwrite an existing config")
+	rootCmd.AddCommand(initCmd)
+}
+
+func selectSSHKeys() ([]string, error) {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO: Support reading from ssh-agent
+	sshDir := filepath.Join(homeDir, ".ssh")
+	entries, err := os.ReadDir(sshDir)
+	if err != nil {
+		return nil, fmt.Errorf("could not read ~/.ssh directory: %w", err)
+	}
+
+	var privateKeys []string
+	for _, entry := range entries {
+		name := entry.Name()
+		if !entry.IsDir() && !strings.HasSuffix(name, ".pub") &&
+			!strings.Contains(name, "known_hosts") && !strings.Contains(name, "config") {
+			privateKeys = append(privateKeys, filepath.Join(sshDir, name))
+		}
+	}
+
+	if len(privateKeys) == 0 {
+		return nil, fmt.Errorf("no SSH private keys found in ~/.ssh")
+	}
+
+	var selected []string
+
+	prompt := &survey.MultiSelect{
+		Message: "Select SSH private keys:",
+		Options: privateKeys,
+	}
+
+	err = survey.AskOne(prompt, &selected)
+	if err != nil {
+		return nil, err
+	}
+
+	return selected, nil
+}

cmd/list.go

@@ -0,0 +1,69 @@
+package cmd
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+
+	"github.com/mattn/go-isatty"
+	"github.com/olekukonko/tablewriter"
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+type listEntry struct {
+	Directory string `json:"directory"`
+	Path      string `json:"path"`
+}
+
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Short: "View your tracked files",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		db, err := app.Open()
+		if err != nil {
+			return err
+		}
+		defer db.Close()
+
+		rows, err := db.List()
+		if err != nil {
+			return err
+		}
+
+		if isatty.IsTerminal(os.Stdout.Fd()) {
+			table := tablewriter.NewWriter(os.Stdout)
+			table.Header([]string{"Directory", "Path"})
+
+			for _, row := range rows {
+				path, err := filepath.Rel(row.Dir, row.Path)
+				if err != nil {
+					return err
+				}
+				table.Append([]string{row.Dir + "/", path})
+			}
+			table.Render()
+		} else {
+			var entries []listEntry
+			for _, row := range rows {
+				path, err := filepath.Rel(row.Dir, row.Path)
+				if err != nil {
+					return err
+				}
+				entries = append(entries, listEntry{
+					Directory: row.Dir + "/",
+					Path:      path,
+				})
+			}
+
+			encoder := json.NewEncoder(os.Stdout)
+			return encoder.Encode(entries)
+		}
+
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(listCmd)
+}

cmd/mod.nu

@@ -0,0 +1,79 @@
+# envr command extern definitions for Nushell
+# A tool for managing environment files and backups
+
+export def tracked-paths [] {
+  (
+    ^envr list
+    | from json
+    | each {
+      [$in.directory $in.path] | path join
+    }
+  )
+}
+
+export def untracked-paths [] {
+  (
+    ^envr scan
+    | from json
+  )
+}
+
+# Complete shell types for completion command
+def shells [] {
+  ["bash", "zsh", "fish", "powershell"]
+}
+
+export extern envr [
+  ...args: any
+  --help(-h)              # Show help information
+  --toggle(-t)            # Help message for toggle
+]
+
+export extern "envr backup" [
+  --help(-h) # Show help for backup command
+  path: path@untracked-paths # Path to .env file to backup
+]
+#TODO: envr backup path.
+
+export extern "envr check" [
+  --help(-h)              # Show help for check command
+]
+
+export extern "envr completion" [
+  shell: string@shells   # Shell to generate completion for
+  --help(-h)                      # Show help for completion command
+]
+
+export extern "envr edit-config" [
+  --help(-h)              # Show help for edit-config command
+]
+
+export extern "envr help" [
+  command?: string        # Show help for specific command
+]
+
+export extern "envr init" [
+  --help(-h)              # Show help for init command
+]
+
+export extern "envr list" [
+  --help(-h)              # Show help for list command
+]
+
+export extern "envr remove" [
+  --help(-h)              # Show help for remove command
+  path: path@tracked-paths
+]
+
+export extern "envr restore" [
+  --help(-h)              # Show help for restore command
+  path: path@tracked-paths
+]
+
+export extern "envr scan" [
+  --help(-h)              # Show help for scan command
+]
+
+export extern "envr sync" [
+  --help(-h)              # Show help for sync command
+]

cmd/nushell_completion.go

@@ -0,0 +1,26 @@
+package cmd
+
+import (
+	_ "embed"
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+//go:embed mod.nu
+var completion string
+
+// nushellCompletionCmd represents the nushellCompletion command
+var nushellCompletionCmd = &cobra.Command{
+	Use:   "nushell-completion",
+	Short: "Generate custom completions for nushell",
+	Long: `At time of writing, cobra does not natively support nushell,
+so a custom command had to be written`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println(completion)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(nushellCompletionCmd)
+}

cmd/remove.go

@@ -0,0 +1,51 @@
+/*
+Copyright © 2025 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+var removeCmd = &cobra.Command{
+	Use:   "remove",
+	Short: "Remove a .env file from your database",
+	Args:  cobra.ExactArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		path := args[0]
+		if len(strings.TrimSpace(path)) == 0 {
+			return fmt.Errorf("No path provided")
+		}
+
+		db, err := app.Open()
+		if err != nil {
+			return err
+		} else {
+			defer db.Close()
+			if err := db.Delete(path); err != nil {
+				return err
+			} else {
+				fmt.Printf("Removed %s from the database", path)
+				return nil
+			}
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(removeCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// removeCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// removeCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}

cmd/restore.go

@@ -0,0 +1,60 @@
+/*
+Copyright © 2025 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+// restoreCmd represents the restore command
+var restoreCmd = &cobra.Command{
+	Use:   "restore",
+	Short: "Install a .env file from the database into your file system",
+	// Long:  ``,
+	Args: cobra.ExactArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		path := args[0]
+		if len(strings.TrimSpace(path)) == 0 {
+			return fmt.Errorf("No path provided")
+		}
+
+		db, err := app.Open()
+		if err != nil {
+			return err
+		} else {
+			defer db.Close()
+			record, err := db.Fetch(path)
+
+			if err != nil {
+				return err
+			} else {
+				err := record.Restore()
+
+				if err != nil {
+					return err
+				} else {
+					return nil
+				}
+			}
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(restoreCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// restoreCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// restoreCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}

cmd/root.go

@@ -0,0 +1,66 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "envr",
+	Short: "Manage your .env files.",
+	Long: `envr keeps your .env synced to a local, age encrypted database.
+Is a safe and eay way to gather all your .env files in one place where they can
+easily be backed by another tool such as restic or git.
+
+All your data is stored in ~/data.age
+
+Getting started is easy:
+
+1. Create your configuration file and set up encrypted storage:
+
+> envr init
+
+2. Scan for existing .env files:
+
+> envr scan
+
+Select the files you want to back up from the interactive list.
+
+3. Verify that it worked:
+
+> envr list
+
+4. After changing any of your .env files, update the backup with:
+
+> envr sync
+
+5. If you lose a repository, after re-cloning the repo into the same path it was
+at before, restore your backup with:
+
+> envr restore ~/<path to repository>/.env`,
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.envr.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	// rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}
+
+// Expose the root command for our generators.
+func Root() *cobra.Command { return rootCmd }

cmd/scan.go

@@ -0,0 +1,104 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/mattn/go-isatty"
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+var scanCmd = &cobra.Command{
+	Use:   "scan",
+	Short: "Find and select .env files for backup",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		db, err := app.Open()
+		if err != nil {
+			return err
+		}
+
+		if db == nil {
+			return fmt.Errorf("No db was loaded")
+		}
+
+		if err := db.CanScan(); err != nil {
+			return err
+		}
+
+		files, err := db.Scan(nil)
+		if err != nil {
+			return err
+		}
+
+		if len(files) == 0 {
+			return fmt.Errorf("No .env files found to add.")
+		}
+
+		if isatty.IsTerminal(os.Stdout.Fd()) {
+			selectedFiles, err := selectEnvFiles(files)
+			if err != nil {
+				return err
+			}
+
+			// Insert selected files into database
+			var addedCount int
+			for _, file := range selectedFiles {
+				envFile := app.NewEnvFile(file)
+				err := db.Insert(envFile)
+				if err != nil {
+					fmt.Printf("Error adding %s: %v\n", file, err)
+				} else {
+					addedCount++
+				}
+			}
+
+			// Close database with write mode to persist changes
+			if addedCount > 0 {
+				err = db.Close()
+				if err != nil {
+					return fmt.Errorf("Error saving changes: %v\n", err)
+				} else {
+					fmt.Printf("Successfully added %d file(s) to backup.\n", addedCount)
+					return nil
+				}
+			} else {
+				err = db.Close()
+				if err != nil {
+					return fmt.Errorf("Error closing database: %v\n", err)
+				}
+				fmt.Println("No files were added.")
+				return nil
+			}
+		} else {
+			output, err := json.Marshal(files)
+			if err != nil {
+				return fmt.Errorf("Error marshaling files to JSON: %v", err)
+			}
+			fmt.Println(string(output))
+			return nil
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(scanCmd)
+}
+
+func selectEnvFiles(files []string) ([]string, error) {
+	var selectedFiles []string
+
+	prompt := &survey.MultiSelect{
+		Message: "Select .env files to backup:",
+		Options: files,
+	}
+
+	err := survey.AskOne(prompt, &selectedFiles)
+	if err != nil {
+		return nil, err
+	}
+
+	return selectedFiles, nil
+}

cmd/sync.go

@@ -0,0 +1,101 @@
+package cmd
+
+import (
+	"encoding/json"
+	"os"
+
+	"github.com/mattn/go-isatty"
+	"github.com/olekukonko/tablewriter"
+	"github.com/sbrow/envr/app"
+	"github.com/spf13/cobra"
+)
+
+var syncCmd = &cobra.Command{
+	Use:   "sync",
+	Short: "Update or restore your env backups",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		db, err := app.Open()
+
+		if err != nil {
+			return err
+		} else {
+			defer db.Close()
+			files, err := db.List()
+
+			if err != nil {
+				return err
+			} else {
+				type syncResult struct {
+					Path   string `json:"path"`
+					Status string `json:"status"`
+				}
+				var results []syncResult
+
+				for _, file := range files {
+					// Syncronize the filesystem with the database.
+					oldPath := file.Path
+					changed, err := db.Sync(&file)
+
+					var status string
+					switch changed {
+					case app.BackedUp:
+						status = "Backed Up"
+						if err := db.Insert(file); err != nil {
+							return err
+						}
+					case app.Restored:
+						fallthrough
+					case app.RestoredAndDirUpdated:
+						status = "Restored"
+					case app.Error:
+						if err == nil {
+							panic("err cannot be nil when Sync returns Error")
+						}
+						status = err.Error()
+					case app.Noop:
+						status = "OK"
+					case app.DirUpdated:
+						status = "Moved"
+					default:
+						panic("Unknown result")
+					}
+
+					if changed&app.DirUpdated == app.DirUpdated {
+						if err := db.Delete(oldPath); err != nil {
+							return err
+						}
+					}
+					if db.UpdateRequired(changed) {
+						if err := db.Insert(file); err != nil {
+							return err
+						}
+					}
+
+					results = append(results, syncResult{
+						Path:   file.Path,
+						Status: status,
+					})
+				}
+
+				if isatty.IsTerminal(os.Stdout.Fd()) {
+					table := tablewriter.NewWriter(os.Stdout)
+					table.Header([]string{"File", "Status"})
+
+					for _, result := range results {
+						table.Append([]string{result.Path, result.Status})
+					}
+					table.Render()
+				} else {
+					encoder := json.NewEncoder(os.Stdout)
+					return encoder.Encode(results)
+				}
+
+				return nil
+			}
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(syncCmd)
+}

cmd/version.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	version = "dev"
+	commit  = "none"
+	date    = "unknown"
+)
+
+var long bool
+
+// versionCmd represents the version command
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Show envr's version",
+	Run: func(cmd *cobra.Command, args []string) {
+		if long {
+			fmt.Printf("envr version %s\n", version)
+			fmt.Printf("commit: %s\n", commit)
+			fmt.Printf("built: %s\n", date)
+		} else {
+			fmt.Printf("%s\n", version)
+		}
+	},
+}
+
+func init() {
+	versionCmd.Flags().BoolVarP(&long, "long", "l", false, "Show all version information")
+	rootCmd.AddCommand(versionCmd)
+}

docs/cli/envr.md

@@ -0,0 +1,58 @@
+## envr
+
+Manage your .env files.
+
+### Synopsis
+
+envr keeps your .env synced to a local, age encrypted database.
+Is a safe and eay way to gather all your .env files in one place where they can
+easily be backed by another tool such as restic or git.
+
+All your data is stored in ~/data.age
+
+Getting started is easy:
+
+1. Create your configuration file and set up encrypted storage:
+
+> envr init
+
+2. Scan for existing .env files:
+
+> envr scan
+
+Select the files you want to back up from the interactive list.
+
+3. Verify that it worked:
+
+> envr list
+
+4. After changing any of your .env files, update the backup with:
+
+> envr sync
+
+5. If you lose a repository, after re-cloning the repo into the same path it was
+at before, restore your backup with:
+
+> envr restore ~/<path to repository>/.env
+
+### Options
+
+```
+  -h, --help   help for envr
+```
+
+### SEE ALSO
+
+* [envr backup](envr_backup.md)	 - Import a .env file into envr
+* [envr check](envr_check.md)	 - check if files in the current directory are backed up
+* [envr deps](envr_deps.md)	 - Check for missing binaries
+* [envr edit-config](envr_edit-config.md)	 - Edit your config with your default editor
+* [envr init](envr_init.md)	 - Set up envr
+* [envr list](envr_list.md)	 - View your tracked files
+* [envr nushell-completion](envr_nushell-completion.md)	 - Generate custom completions for nushell
+* [envr remove](envr_remove.md)	 - Remove a .env file from your database
+* [envr restore](envr_restore.md)	 - Install a .env file from the database into your file system
+* [envr scan](envr_scan.md)	 - Find and select .env files for backup
+* [envr sync](envr_sync.md)	 - Update or restore your env backups
+* [envr version](envr_version.md)	 - Show envr's version
+

docs/cli/envr_backup.md

@@ -0,0 +1,18 @@
+## envr backup
+
+Import a .env file into envr
+
+```
+envr backup <path> [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for backup
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_check.md

@@ -0,0 +1,18 @@
+## envr check
+
+check if files in the current directory are backed up
+
+```
+envr check [path] [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for check
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_deps.md

@@ -0,0 +1,24 @@
+## envr deps
+
+Check for missing binaries
+
+### Synopsis
+
+envr relies on external binaries for certain functionality.
+
+The check command reports on which binaries are available and which are not.
+
+```
+envr deps [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for deps
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_edit-config.md

@@ -0,0 +1,18 @@
+## envr edit-config
+
+Edit your config with your default editor
+
+```
+envr edit-config [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for edit-config
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_init.md

@@ -0,0 +1,28 @@
+## envr init
+
+Set up envr
+
+### Synopsis
+
+The init command generates your initial config and saves it to
+~/.envr/config in JSON format.
+
+During setup, you will be prompted to select one or more ssh keys with which to
+encrypt your databse. **Make 100% sure** that you have **a remote copy** of this
+key somewhere, otherwise your data could be lost forever.
+
+```
+envr init [flags]
+```
+
+### Options
+
+```
+  -f, --force   Overwrite an existing config
+  -h, --help    help for init
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_list.md

@@ -0,0 +1,18 @@
+## envr list
+
+View your tracked files
+
+```
+envr list [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for list
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_nushell-completion.md

@@ -0,0 +1,23 @@
+## envr nushell-completion
+
+Generate custom completions for nushell
+
+### Synopsis
+
+At time of writing, cobra does not natively support nushell,
+so a custom command had to be written
+
+```
+envr nushell-completion [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for nushell-completion
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_remove.md

@@ -0,0 +1,18 @@
+## envr remove
+
+Remove a .env file from your database
+
+```
+envr remove [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for remove
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_restore.md

@@ -0,0 +1,18 @@
+## envr restore
+
+Install a .env file from the database into your file system
+
+```
+envr restore [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for restore
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_scan.md

@@ -0,0 +1,18 @@
+## envr scan
+
+Find and select .env files for backup
+
+```
+envr scan [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for scan
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_sync.md

@@ -0,0 +1,18 @@
+## envr sync
+
+Update or restore your env backups
+
+```
+envr sync [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for sync
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

docs/cli/envr_version.md

@@ -0,0 +1,19 @@
+## envr version
+
+Show envr's version
+
+```
+envr version [flags]
+```
+
+### Options
+
+```
+  -h, --help   help for version
+  -l, --long   Show all version information
+```
+
+### SEE ALSO
+
+* [envr](envr.md)	 - Manage your .env files.
+

envr

@@ -1,146 +0,0 @@
-#!/usr/bin/env nu
-
-# Manage your .env files with ease
-def main [] {
-  help main
-}
-
-# Import a .env file into envr
-def "main import" [
-  file: path
-] {
-  cd (dirname $file);
-
-  let contents = (open $file --raw)
-
-  open db
-
-  let row = {
-    path: $file
-    dir: (pwd)
-    remotes: (git remote | lines | each { git remote get-url $in } | to json)
-    sha256: ($contents | hash sha256)
-    contents: $contents
-  };
-
-  try {
-    $row | stor insert -t envr_env_files
-  } catch {
-    $row | stor update -t envr_env_files -w $'path == "($row.path)"'
-  }
-
-  close db
-
-  $"file '($file)' imported successfull!"
-}
-
-const db_path = '/home/spencer/.envr/data.age'
-
-# Create or load the database
-def "open db" [] {
-  if (not ($db_path | path exists)) {
-    create-db
-  } else {
-    # Open the db
-    let dec = mktemp -p ~/.envr;
-    age -d -i ((main config show).priv_key | path expand) $db_path | save -f $dec
-    stor import -f $dec
-    rm $dec
-  }
-
-  stor open
-}
-
-def "create-db" []: nothing -> any {
-  let dec = mktemp -p ~/.envr;
-
-  sqlite3 $dec 'create table envr_env_files (
-      path text primary key not null
-    , dir text not null
-    , remotes text -- JSON
-    , sha256 text not null
-    , contents text not null
-  );'
-
-  let pub_key = ((main config show).pub_key | path expand);
-  age -R $pub_key $dec | save -f $db_path
-
-  stor import -f $dec
-  rm $dec;
-}
-
-def "close db" [] {
-  let dec = mktemp -p ~/.envr;
-
-  stor export --file-name $dec;
-
-  # Encrypt the file
-  let pub_key = ((main config show).pub_key | path expand);
-  age -R $pub_key $dec | save -f $db_path
-
-  rm $dec
-}
-
-# Supported config formats
-const available_formats = [
-  json
-  toml
-  yaml
-  ini
-  xml
-  nuon
-]
-
-# Create your initial config
-def "main config init" [
-  format?: string
-  #identity?: path
-] {
-  mkdir ~/.envr
-
-  let format = if ($format | is-empty) {
-    $available_formats | input list 'Please select the desired format for your config file'
-  }
-
-  let identity = '~/.ssh/id_ed25519';
-  
-  # The path to the config file.
-  let source = $'~/.envr/config.($format)'
-
-  {
-    source: $source
-    priv_key: $identity
-    pub_key: $'($identity).pub'
-  } | tee {
-    save $source
-  }
-}
-
-# View your tracked files
-def "main list" [] {
-  (
-    open db
-    | query db 'select * from envr_env_files'
-    | update remotes { from json }
-    | reject contents
-  )
-}
-
-# Update your env backups
-def "main sync" [] {
-  'TODO:' 
-}
-
-# Edit your config
-def "main config edit" [] {
-  'TODO:'
-}
-
-def "config-file" []: [nothing -> path nothing -> nothing] {
-  ls ~/.envr/config.* | get 0.name -o
-}
-
-# show your current config
-def "main config show" []: nothing -> record<source: path, priv_key: path, pub_key: path> {
-  open (config-file)
-}

flake.lock

@@ -5,11 +5,11 @@
         "nixpkgs-lib": "nixpkgs-lib"
       },
       "locked": {
-        "lastModified": 1760948891,
+        "lastModified": 1768135262,
-        "narHash": "sha256-TmWcdiUUaWk8J4lpjzu4gCGxWY6/Ok7mOK4fIFfBuU4=",
+        "narHash": "sha256-PVvu7OqHBGWN16zSi6tEmPwwHQ4rLPU9Plvs8/1TUBY=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "864599284fc7c0ba6357ed89ed5e2cd5040f0c04",
+        "rev": "80daad04eddbbf5a4d883996a73f3f542fa437ac",
         "type": "github"
       },
       "original": {
@@ -20,25 +20,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1761594641,
+        "lastModified": 1767313136,
-        "narHash": "sha256-sImk6SJQASDLQo8l+0zWWaBgg7TueLS6lTvdH5pBZpo=",
+        "narHash": "sha256-16KkgfdYqjaeRGBaYsNrhPRRENs0qzkQVUooNHtoy2w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1666250dbe4141e4ca8aaf89b40a3a51c2e36144",
+        "rev": "ac62194c3917d5f474c1a844b6fd6da2db95077d",
         "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
+        "owner": "NixOS",
-        "type": "indirect"
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "nixpkgs-lib": {
       "locked": {
-        "lastModified": 1754788789,
+        "lastModified": 1765674936,
-        "narHash": "sha256-x2rJ+Ovzq0sCMpgfgGaaqgBSwY+LST+WbZ6TytnT9Rk=",
+        "narHash": "sha256-k00uTP4JNfmejrCLJOwdObYC9jHRrr/5M/a/8L2EIdo=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "a73b9c743612e4244d865a2fdee11865283c04e6",
+        "rev": "2075416fcb47225d9b68ac469a5c4801a9c4dd85",
         "type": "github"
       },
       "original": {
@@ -49,11 +51,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1761594641,
+        "lastModified": 1768178648,
-        "narHash": "sha256-sImk6SJQASDLQo8l+0zWWaBgg7TueLS6lTvdH5pBZpo=",
+        "narHash": "sha256-kz/F6mhESPvU1diB7tOM3nLcBfQe7GU7GQCymRlTi/s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1666250dbe4141e4ca8aaf89b40a3a51c2e36144",
+        "rev": "3fbab70c6e69c87ea2b6e48aa6629da2aa6a23b0",
         "type": "github"
       },
       "original": {
@@ -63,27 +65,11 @@
         "type": "github"
       }
     },
-    "process-compose-flake": {
-      "locked": {
-        "lastModified": 1761063998,
-        "narHash": "sha256-l14CiQZM2ZpWp6leugJ5/GKU1aydT/xrvyKRMgYc0ak=",
-        "owner": "Platonic-Systems",
-        "repo": "process-compose-flake",
-        "rev": "d1839830cd4a814830a27b3cb58437306747bbd3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "Platonic-Systems",
-        "repo": "process-compose-flake",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
-        "process-compose-flake": "process-compose-flake",
         "treefmt-nix": "treefmt-nix"
       }
     },
@@ -94,11 +80,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1761311587,
+        "lastModified": 1768158989,
-        "narHash": "sha256-Msq86cR5SjozQGCnC6H8C+0cD4rnx91BPltZ9KK613Y=",
+        "narHash": "sha256-67vyT1+xClLldnumAzCTBvU0jLZ1YBcf4vANRWP3+Ak=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "2eddae033e4e74bf581c2d1dfa101f9033dbd2dc",
+        "rev": "e96d59dff5c0d7fddb9d113ba108f03c3ef99eca",
         "type": "github"
       },
       "original": {

flake.nix

@@ -1,30 +1,32 @@
 {
-  description = "A dev environment";
+  description = "Manage your .env files.";
 
   inputs = {
-    # nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 
     flake-parts.url = "github:hercules-ci/flake-parts";
-    process-compose-flake.url = "github:Platonic-Systems/process-compose-flake";
     treefmt-nix.url = "github:numtide/treefmt-nix";
     treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs =
-    inputs@{ self
+    inputs@{ flake-parts
-    , flake-parts
     , nixpkgs
     , nixpkgs-unstable
-    , process-compose-flake
+    , self
     , treefmt-nix
     }:
     flake-parts.lib.mkFlake { inherit inputs; } {
       imports = [
         inputs.treefmt-nix.flakeModule
-        # inputs.process-compose-flake.flakeModule
       ];
-      systems = [ "x86_64-linux" ];
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+
+        "aarch64-darwin"
+      ];
 
       perSystem =
         { pkgs, system, inputs', ... }: {
@@ -33,7 +35,7 @@
             config.allowUnfree = true;
 
             overlays = [
-              (final: prev: { unstable = inputs'.nixpkgs-unstable.legacyPackages; })
+              (_final: _prev: { unstable = inputs'.nixpkgs-unstable.legacyPackages; })
             ];
           };
 
@@ -51,27 +53,54 @@
 
             # Format nix files
             programs.nixpkgs-fmt.enable = true;
-            programs.deadnix.enable = true;
+            # programs.deadnix.enable = true;
 
-            # Format js, json, and yaml files
+            # Format go files
-            programs.prettier.enable = true;
+            programs.goimports.enable = true;
-            settings.formatter.prettier =
+          };
-              {
+
-                excludes = [
+          packages.default = pkgs.buildGoModule rec {
-                  "public/**"
+            pname = "envr";
-                  "resources/js/modernizr.js"
+            version = "0.2.0";
-                  "storage/app/caniuse.json"
+            src = ./.;
-                  "*.md"
+            # If the build complains, uncomment this line
-                ];
+            # vendorHash = "sha256:0000000000000000000000000000000000000000000000000000";
-              };
+            vendorHash = "sha256-aC82an6vYifewx4amfXLzk639jz9fF5bD5cF6krY0Ks=";
+            
+            nativeBuildInputs = [ pkgs.installShellFiles ];
+
+            ldflags = [
+              "-X github.com/sbrow/envr/cmd.version=v${version}"
+              # "-X github.com/sbrow/envr/cmd.commit=$(git rev-parse HEAD)"
+              # "-X github.com/sbrow/envr/cmd.date=$(date -u +%Y-%m-%dT%H:%M:%SZ)"
+            ];
+            
+            postBuild = ''
+              # Generate man pages
+              $GOPATH/bin/docgen -out ./man -format man
+            '';
+            
+            postInstall = ''
+              # Install man pages
+              installManPage ./man/*.1
+            '';
           };
 
           devShells.default = pkgs.mkShell
             {
               buildInputs = with pkgs; [
-                age
+                fd
                 nushell
-                sqlite
+                go
+                gopls
+
+                gotools
+                cobra-cli
+
+                # Build tools
+                zip
+
+                opencode
 
                 # IDE
                 unstable.helix

go.mod

@@ -0,0 +1,41 @@
+module github.com/sbrow/envr
+
+go 1.24.6
+
+require (
+	filippo.io/age v1.2.1
+	github.com/AlecAivazis/survey/v2 v2.3.7
+	github.com/mattn/go-isatty v0.0.20
+	github.com/olekukonko/tablewriter v1.1.0
+	github.com/spf13/cobra v1.10.1
+	modernc.org/sqlite v1.39.1
+)
+
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/fatih/color v1.15.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/olekukonko/errors v1.1.0 // indirect
+	github.com/olekukonko/ll v0.0.9 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/spf13/pflag v1.0.9 // indirect
+	golang.org/x/crypto v0.24.0 // indirect
+	golang.org/x/exp v0.0.0-20250620022241-b7579e27df2b // indirect
+	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/term v0.36.0 // indirect
+	golang.org/x/text v0.30.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	modernc.org/libc v1.66.10 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.11.0 // indirect
+)

go.sum

@@ -0,0 +1,138 @@
+c2sp.org/CCTV/age v0.0.0-20240306222714-3ec4d716e805 h1:u2qwJeEvnypw+OCPUHmoZE3IqwfuN5kgDfo5MLzpNM0=
+c2sp.org/CCTV/age v0.0.0-20240306222714-3ec4d716e805/go.mod h1:FomMrUJ2Lxt5jCLmZkG3FHa72zUprnhd3v/Z18Snm4w=
+filippo.io/age v1.2.1 h1:X0TZjehAZylOIj4DubWYU1vWQxv9bJpo+Uu2/LGhi1o=
+filippo.io/age v1.2.1/go.mod h1:JL9ew2lTN+Pyft4RiNGguFfOpewKwSHm5ayKD/A4004=
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/AlecAivazis/survey/v2 v2.3.7 h1:6I/u8FvytdGsgonrYsVn2t8t4QiRnh6QSTqkkhIiSjQ=
+github.com/AlecAivazis/survey/v2 v2.3.7/go.mod h1:xUTIdE4KCOIjsBAE1JYsUPoCqYdZ1reCfTwbto0Fduo=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2 h1:+vx7roKuyA63nhn5WAunQHLTznkw5W8b1Xc0dNjp83s=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2/go.mod h1:HBCaDeC1lPdgDeDbhX8XFpy1jqjK0IBG8W5K+xYqA0w=
+github.com/cpuguy83/go-md2man/v2 v2.0.6 h1:XJtiaUW6dEEqVuZiMTn1ldk455QWwEIsMIJlo5vtkx0=
+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
+github.com/creack/pty v1.1.17 h1:QeVUsEDNrLBW4tMgZHvxy18sKtr6VI492kBhUfhDJNI=
+github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
+github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
+github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
+github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/hinshun/vt10x v0.0.0-20220119200601-820417d04eec h1:qv2VnGeEQHchGaZ/u7lxST/RaJw+cv273q79D81Xbog=
+github.com/hinshun/vt10x v0.0.0-20220119200601-820417d04eec/go.mod h1:Q48J4R4DvxnHolD5P8pOtXigYlRuPLGl6moFx3ulM68=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
+github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
+github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
+github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
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+github.com/olekukonko/ll v0.0.9/go.mod h1:En+sEW0JNETl26+K8eZ6/W4UQ7CYSrrgg/EdIYT2H8g=
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+github.com/olekukonko/tablewriter v1.1.0/go.mod h1:5c+EBPeSqvXnLLgkm9isDdzR3wjfBkHR9Nhfp3NWrzo=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
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internal/tools/docgen/main.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/sbrow/envr/cmd" // update to your module path
+	"github.com/spf13/cobra/doc"
+)
+
+func main() {
+	out := flag.String("out", "./docs/cli", "output directory")
+	format := flag.String("format", "markdown", "markdown|man|rest")
+	front := flag.Bool("frontmatter", false, "prepend simple YAML front matter to markdown")
+	flag.Parse()
+
+	if err := os.MkdirAll(*out, 0o755); err != nil {
+		log.Fatal(err)
+	}
+
+	root := cmd.Root()
+	root.DisableAutoGenTag = true // stable, reproducible files (no timestamp footer)
+
+	switch *format {
+	case "markdown":
+		if *front {
+			prep := func(filename string) string {
+				base := filepath.Base(filename)
+				name := strings.TrimSuffix(base, filepath.Ext(base))
+				title := strings.ReplaceAll(name, "_", " ")
+				return fmt.Sprintf("---\ntitle: %q\nslug: %q\ndescription: \"CLI reference for %s\"\n---\n\n", title, name, title)
+			}
+			link := func(name string) string { return strings.ToLower(name) }
+			if err := doc.GenMarkdownTreeCustom(root, *out, prep, link); err != nil {
+				log.Fatal(err)
+			}
+		} else {
+			if err := doc.GenMarkdownTree(root, *out); err != nil {
+				log.Fatal(err)
+			}
+		}
+	case "man":
+		hdr := &doc.GenManHeader{Title: strings.ToUpper(root.Name()), Section: "1"}
+		if err := doc.GenManTree(root, hdr, *out); err != nil {
+			log.Fatal(err)
+		}
+	case "rest":
+		if err := doc.GenReSTTree(root, *out); err != nil {
+			log.Fatal(err)
+		}
+	default:
+		log.Fatalf("unknown format: %s", *format)
+	}
+}

main.go

@@ -0,0 +1,7 @@
+package main
+
+import "github.com/sbrow/envr/cmd"
+
+func main() {
+	cmd.Execute()
+}

src/main.zig

@@ -0,0 +1,87 @@
+const std = @import("std");
+const Io = std.Io;
+
+const envr = @import("envr");
+
+const goBinary = "envr-go";
+
+pub fn main(init: std.process.Init) !void {
+    // This is appropriate for anything that lives as long as the process.
+    const arena: std.mem.Allocator = init.arena.allocator();
+
+    const args = try init.minimal.args.toSlice(arena);
+
+    if (std.mem.eql(u8, args[1], "version")) {
+        version(args[1..]);
+    } else {
+        return fallbackToGo(init.io, args, arena);
+    }
+}
+
+fn version(args: []const [:0]const u8) void {
+    // std.debug.print("hello from Zig!\n", .{});
+
+    // for (args[1..]) |arg| {
+    //     std.debug.print("arg: {s}\n", .{arg});
+    // }
+    //
+
+    _ = args;
+
+    std.debug.print("TODO: Implement\n", .{});
+}
+
+fn fallbackToGo(
+    io: Io,
+    args: []const [:0]const u8,
+    arena: std.mem.Allocator,
+) std.process.ReplaceError {
+    // Remap args
+    var childArgs = try std.ArrayList([]const u8).initCapacity(arena, args.len);
+    childArgs.appendAssumeCapacity(goBinary);
+
+    for (args[1..]) |arg| {
+        childArgs.appendAssumeCapacity(arg);
+    }
+
+    return std.process.replace(io, .{ .argv = childArgs.items });
+}
+
+test "simple test" {
+    const gpa = std.testing.allocator;
+    var list: std.ArrayList(i32) = .empty;
+    defer list.deinit(gpa); // Try commenting this out and see if zig detects the memory leak!
+    try list.append(gpa, 42);
+    try std.testing.expectEqual(@as(i32, 42), list.pop());
+}
+
+test "fuzz example" {
+    try std.testing.fuzz({}, testOne, .{});
+}
+
+fn testOne(context: void, smith: *std.testing.Smith) !void {
+    _ = context;
+    // Try passing `--fuzz` to `zig build test` and see if it manages to fail this test case!
+
+    const gpa = std.testing.allocator;
+    var list: std.ArrayList(u8) = .empty;
+    defer list.deinit(gpa);
+    while (!smith.eos()) switch (smith.value(enum { add_data, dup_data })) {
+        .add_data => {
+            const slice = try list.addManyAsSlice(gpa, smith.value(u4));
+            smith.bytes(slice);
+        },
+        .dup_data => {
+            if (list.items.len == 0) continue;
+            if (list.items.len > std.math.maxInt(u32)) return error.SkipZigTest;
+            const len = smith.valueRangeAtMost(u32, 1, @min(32, list.items.len));
+            const off = smith.valueRangeAtMost(u32, 0, @intCast(list.items.len - len));
+            try list.appendSlice(gpa, list.items[off..][0..len]);
+            try std.testing.expectEqualSlices(
+                u8,
+                list.items[off..][0..len],
+                list.items[list.items.len - len ..],
+            );
+        },
+    };
+}

src/root.zig

@@ -0,0 +1,18 @@
+//! By convention, root.zig is the root source file when making a package.
+const std = @import("std");
+const Io = std.Io;
+
+/// This is a documentation comment to explain the `printAnotherMessage` function below.
+///
+/// Accepting an `Io.Writer` instance is a handy way to write reusable code.
+pub fn printAnotherMessage(writer: *Io.Writer) Io.Writer.Error!void {
+    try writer.print("Run `zig build test` to run the tests.\n", .{});
+}
+
+pub fn add(a: i32, b: i32) i32 {
+    return a + b;
+}
+
+test "basic add functionality" {
+    try std.testing.expect(add(3, 7) == 10);
+}