Files
envr/mod.nu

318 lines
6.5 KiB
Nu
Executable File

#!/usr/bin/env nu
#
# TODO: Wrap blocks that use tmp files in try so we can clean them up.
use std assert;
# Manage your .env files with ease
@example "Set up envr" { envr init }
export def envr [] {
help envr
}
# Import a .env file into envr
export def "envr backup" [
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)' backed up!"
}
const db_path = '~/.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;
let priv_key = ((envr config show).priv_key | path expand);
age -d -i $priv_key ($db_path | path expand) | 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 = ((envr 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 = ((envr config show).pub_key | path expand);
age -R $pub_key $dec | save -f $db_path
rm $dec
}
# Restore a .env file from backup
export def "envr restore" [
path?: path # The path of the file to restore. Will be prompted if left blank.
]: nothing -> string {
let files = (files)
let $path = if ($path | is-empty) {
(
$files
| select path dir remotes
| input list -f "Please select a file to restore"
| get path
)
} else {
$path
}
let file = ($files | where path == $path | first);
assert ($file | is-not-empty) "File must be found"
let response = if (($path | path type) == 'file') {
if (open --raw $file.path | hash sha256 | $in == $file.sha256) {
# File matches
$'(ansi yellow)file is already up to date.(ansi reset)';
} else {
# File exists, but doesn't match
let continue = (
[No Yes]
| input list $"File '($path)' already exists, are you sure you want to overwrite it?"
| $in == 'Yes'
);
if ($continue) {
null
} else {
$'(ansi yellow)No action was taken(ansi reset)'
}
}
};
if ($response | is-empty) {
# File should be restored
$file.contents | save -f $path
return $'(ansi green)($path) restored!(ansi reset)'
} else {
return $response
}
}
# Supported config formats
const available_formats = [
json
toml
yaml
ini
xml
nuon
]
# Create your initial config
export def "envr init" [
format?: string
#identity?: path
]: nothing -> record {
mkdir ~/.envr
if (glob ~/.envr/config.* | length | $in > 0) {
error make {
msg: "A config file already exists"
label: {
text: ""
span: (metadata $format).span
}
}
} else {
let format = if ($format | is-empty) {
$available_formats | input list 'Please select the desired format for your config file'
}
# TODO: Let user select identity.
let identity = '~/.ssh/id_ed25519';
# The path to the config file.
let source = $'~/.envr/config.($format)'
# TODO: Let user select file types to scan for.
{
source: $source
priv_key: $identity
pub_key: $'($identity).pub'
scan: {
matcher: '\.env'
exclude: '*.envrc'
include: '~'
}
} | tee {
save $source;
open db
}
}
}
# Remove a .env file from your backups.
export def "envr remove" [
...paths: path
] {
let $paths = if ($paths | is-empty) {
(envr list | get path) | input list -m "Select path(s) to remove"
} else {
$paths
};
print -e $paths;
let confirmed = (
['No' 'Yes']
| input list 'Are you sure you want to delete these backups?'
| $in == 'Yes'
);
if ($confirmed) {
let $q = (
$paths
| each { path expand }
| to json -r
| str replace '[' '('
| str replace ']' ')'
| str replace -a '"' "'");
(
open db
| stor delete -t envr_env_files -w $'path in ($q)'
);
close db
$'(ansi green)Paths removed!'
} else {
$'(ansi yellow)Operation aborted.(ansi reset)'
}
}
# View your tracked files
export def "envr list" [] {
(
files
| reject contents
| update path { $in | path relative-to ~/ | $'~/($in)' }
| update dir { $in | path relative-to ~/ | $'~/($in)' }
)
}
# List all the files in the database
def files [] {
(
open db
| query db 'select * from envr_env_files'
| update remotes { from json }
)
}
# Update or restore your env backups
export def "envr sync" [] {
let $files = (files);
$files | each { |it|
if ($it.path | path type | $in == 'file') {
if (open $it.path | hash sha256 | $in != $it.sha256) {
envr backup $it.path
} else {
'Nothing to do!'
}
} else {
envr restore $it.path
}
}
}
# Search for .env files and select ones to back up.
export def "envr scan" [] {
let config = (envr config show).scan;
let ignored_env_files = (
find env-files $config.matcher $config.exclude $config.include
);
let tracked_file_paths = (files).path;
let scanned = $ignored_env_files | where { |it|
not ($it in $tracked_file_paths)
}
(
$scanned
| input list -m "Select files to back up"
| each { envr backup $in }
)
}
# Search for hidden env files
def "find env-files" [
match: string = '\.env'
exclude: string = '*.envrc'
search: string = '~/'
]: nothing -> list<path> {
let search = ($search | path expand);
let unignored = (fd -a $match -E $exclude -H $search | lines)
let all = (fd -a $match -E $exclude -HI $search | lines)
let ignored = $all | where { |it|
not ($it in $unignored)
}
$ignored | sort
}
# Edit your config
export def "envr edit config" [] {
^$env.EDITOR (config-file)
}
def "config-file" []: [nothing -> path nothing -> nothing] {
ls ~/.envr/config.* | get 0.name -o
}
# show your current config
def "envr config show" []: nothing -> record<source: path, priv_key: path, pub_key: path> {
open (config-file)
}