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macOS profile: set the wallpaper after the WindowManager restart

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Verified after a reboot: desktoppr reports the configured image. The
in-session read-back lags behind the wallpaper store, so the retry loop
only logs it.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XsESshRCoBoUVWV9qKURUF
This commit is contained in:
Git Sagar 2026-09-09 23:24:11 -03:00
parent 9936b92012
commit 90cf1c64c8
1 changed files with 23 additions and 13 deletions
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36
lib/images/macos/templates/profile/default.nix
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@ -35,19 +35,7 @@ rec {
D com.apple.WindowManager StageManagerHideWidgets -int 1
D com.apple.widgets widgetAppearance -int 0
''}
${lib.optionalString (wallpaper != null) ''
# WallpaperAgent only keeps choices whose file lives in the user's own space
# ("No files include in the descriptor" for /Library/Desktop Pictures)
HP="$H/Pictures"; mkdir -p "$HP"
W="$HP/vmix-wallpaper.${lib.last (lib.splitString "." (baseNameOf (toString wallpaper)))}"
cp "$V/wallpaper".* "$W"; chown "$CONSOLE_USER" "$HP" "$W"; chmod 644 "$W"
installer -pkg "$V/desktoppr.pkg" -target / >/dev/null || echo "vmix: WARNING: desktoppr install failed"
as_user /usr/local/bin/desktoppr "$W" || echo "vmix: WARNING: could not set the wallpaper"
# the wallpaper store (~/Library/Application Support/com.apple.wallpaper) is
# written asynchronously by WallpaperAgent; give it time before the shutdown
sleep 30
echo "vmix: wallpaper now: $(as_user /usr/local/bin/desktoppr 2>/dev/null)"
''}
${lib.optionalString (dockApps != null) ''
D com.apple.dock persistent-apps -array
${lib.concatMapStringsSep "\n" (a: ''
@ -61,6 +49,28 @@ rec {
else ''as_user defaults delete -g AppleInterfaceStyle 2>/dev/null || true'')}
as_user killall Dock Finder WindowManager 2>/dev/null || true
sleep 10
# wallpaper last: WindowManager re-applies its desktop configuration when the
# widget/dock settings above change, which reverts a choice made before it
${lib.optionalString (wallpaper != null) ''
# WallpaperAgent only keeps choices whose file lives in the user's own space
# ("No files include in the descriptor" for /Library/Desktop Pictures)
HP="$H/Pictures"; mkdir -p "$HP"
W="$HP/vmix-wallpaper.${lib.last (lib.splitString "." (baseNameOf (toString wallpaper)))}"
cp "$V/wallpaper".* "$W"; chown "$CONSOLE_USER" "$HP" "$W"; chmod 644 "$W"
installer -pkg "$V/desktoppr.pkg" -target / >/dev/null || echo "vmix: WARNING: desktoppr install failed"
# WallpaperAgent drops choices made while it is still initialising the
# session's store right after login: wait for the store, set, verify, retry
ST="$H/Library/Application Support/com.apple.wallpaper/Store/Index.plist"
for i in $(seq 1 60); do [ -f "$ST" ] && break; sleep 2; done; sleep 15
for try in 1 2 3; do
as_user /usr/local/bin/desktoppr "$W" || echo "vmix: WARNING: could not set the wallpaper"
sleep 30
CUR=$(as_user /usr/local/bin/desktoppr 2>/dev/null)
[ "$CUR" = "$W" ] && break
echo "vmix: wallpaper read-back says $CUR (lags behind the store), retrying"
done
echo "vmix: wallpaper read-back: $CUR (the store choice is what the next login uses)"
''}
'';
};
}