Scope asdcontrol's passwordless sudo grant (#242)

Ship the least-privilege rule with asdcontrol so authorization follows the package lifecycle. Install it after older broad rules for safe staggered upgrades.

pkgbuilds/asdcontrol/PKGBUILD

@@ -2,7 +2,7 @@
 pkgname=asdcontrol
 epoch=1
 pkgver=0.6.0
-pkgrel=1
+pkgrel=2
 pkgdesc="Control brightness on Apple Displays connected via USB-C"
 arch=('x86_64')
 url="https://github.com/omakasui/asdcontrol"
@@ -10,9 +10,14 @@ license=('GPL2')
 options=('!debug')
 depends=('glibc' 'gcc-libs')
 makedepends=('make' 'gcc')
-source=("$pkgname-$pkgver.tar.gz::https://github.com/omakasui/asdcontrol/archive/refs/tags/v$pkgver.tar.gz")
-sha256sums=('3112a6d5fc51a204c96ef9d27187577c6efc80b952e37a77969efbd0124e81d3')
-install=asdcontrol.install
+source=(
+  "$pkgname-$pkgver.tar.gz::https://github.com/omakasui/asdcontrol/archive/refs/tags/v$pkgver.tar.gz"
+  'asdcontrol.sudoers'
+)
+sha256sums=(
+  '3112a6d5fc51a204c96ef9d27187577c6efc80b952e37a77969efbd0124e81d3'
+  'dff3a5ecbe77825b4ea82235d5fd8589832a0462108ab573140488ae54989d23'
+)
 
 build() {
   cd "$srcdir/asdcontrol-$pkgver"
@@ -22,11 +27,7 @@ build() {
 package() {
   cd "$srcdir/asdcontrol-$pkgver"
 
-  # Install the binary
   install -Dm755 asdcontrol "$pkgdir/usr/bin/asdcontrol"
-
-  # Install the sudoers file for passwordless execution
   install -dm750 "$pkgdir/etc/sudoers.d"
-  echo "ALL ALL=(ALL) NOPASSWD: /usr/bin/asdcontrol" > "$pkgdir/etc/sudoers.d/asdcontrol"
-  chmod 440 "$pkgdir/etc/sudoers.d/asdcontrol"
+  install -m440 "$srcdir/asdcontrol.sudoers" "$pkgdir/etc/sudoers.d/zz-asdcontrol"
 }

pkgbuilds/asdcontrol/asdcontrol.install

@@ -1,13 +0,0 @@
-post_install() {
-  echo ":: asdcontrol has been installed"
-  echo ":: You can now use 'sudo asdcontrol' to control Apple Display brightness"
-  echo ":: Passwordless sudo has been configured for /usr/bin/asdcontrol"
-}
-
-post_upgrade() {
-  post_install
-}
-
-post_remove() {
-  echo ":: Sudoers configuration for asdcontrol has been removed"
-}

pkgbuilds/asdcontrol/asdcontrol.sudoers

@@ -0,0 +1,4 @@
+# Deny arbitrary asdcontrol arguments before allowing only the operations Omarchy uses.
+# Keep this filename late-sorting so it also overrides stale broader grants.
+ALL ALL=(ALL) !/usr/bin/asdcontrol
+%wheel ALL=(root) NOPASSWD: /usr/bin/asdcontrol ^--detect (/dev/(usb/)?hiddev[0-9]+)( /dev/(usb/)?hiddev[0-9]+)*$, /usr/bin/asdcontrol ^/dev/(usb/)?hiddev[0-9]+$, /usr/bin/asdcontrol ^/dev/(usb/)?hiddev[0-9]+ -- [+-]?[0-9]{1,3}%$