From 697968e4104ec3ea4e1e3b09b9d3d8850212cdb0 Mon Sep 17 00:00:00 2001
From: Spencer Brower <spencer.brower@proton.me>
Date: Tue, 28 Oct 2025 16:31:26 -0400
Subject: [PATCH] feat: Implemented `scan`.

---
 README.md |  2 +-
 flake.nix |  1 +
 mod.nu    | 47 ++++++++++++++++++++++++++++++++++++++++-------
 3 files changed, 42 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index aceacc0..744a19b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 ## TODOS
 
 - [ ] `envr sync` - Restore missing .env files, and update backed up ones.
-- [ ] `envr scan` - Search for missing / moved .env files.
+- [x] `envr scan` - Search for missing / moved .env files.
diff --git a/flake.nix b/flake.nix
index 85c1174..19f0ef6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -70,6 +70,7 @@
             {
               buildInputs = with pkgs; [
                 age
+                fd
                 nushell
                 sqlite
 
diff --git a/mod.nu b/mod.nu
index 17b2104..9197378 100755
--- a/mod.nu
+++ b/mod.nu
@@ -178,11 +178,11 @@ export def "envr init" [
       priv_key: $identity
       pub_key: $'($identity).pub'
       # TODO: scan settings
-      # scan: {
-      #   matcher: '\.env'
-      #   exclude: '*.envrc'
-      #   include: '~'
-      # }
+      scan: {
+        matcher: '\.env'
+        exclude: '*.envrc'
+        include: '~'
+      }
     } | tee {
       save $source;
       open db
@@ -217,9 +217,42 @@ export def "envr sync" [] {
   'TODO: Need to implement'
 }
 
-# Search for .env files
+# Search for .env files and select ones to back up.
 export def "envr scan" [] {
-  'TODO:' 
+  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