feat: Everything in the home folder under steamify (state, scripts, icon), moved once from the old name

lib/state.sh

@@ -5,7 +5,11 @@
 # deletes the key if it didn't exist before).
 # Sourced by steamify.sh; not meant to be run on its own.
 
-STATE_DIR="${XDG_STATE_HOME:-$HOME/.local/state}/cachyos-gamescope-boot"
+STATE_DIR="${XDG_STATE_HOME:-$HOME/.local/state}/steamify"
+# Steamify's own files in the home folder: the app (app/, from
+# steamify-app.sh) and the shortcut's and notifier's scripts (bin/).
+STEAMIFY_DATA="${XDG_DATA_HOME:-$HOME/.local/share}/steamify"
+STEAMIFY_BIN="$STEAMIFY_DATA/bin"
 UNSET=$'\x01'
 
 kset() {
@@ -77,3 +81,57 @@ state_clear() {
 current_display_manager() {
     systemctl show -p Id --value display-manager 2>/dev/null | sed 's/\.service$//'
 }
+
+migrate_dir() {
+    # migrate_dir <old> <new>: moves <old> to <new> and leaves a symlink.
+    # When both exist (an older release ran after a newer one), what <new>
+    # lacks is moved over; a file in both keeps <new>'s copy and <old> stays
+    # as it is. Returns 0 when something moved.
+    local old="$1" new="$2" f moved=1
+    [[ -d "$old" && ! -L "$old" ]] || return 1
+    if [[ ! -e "$new" ]]; then
+        mkdir -p "$(dirname "$new")"
+        mv "$old" "$new" && ln -s "$new" "$old"
+        return 0
+    fi
+    for f in "$old"/* "$old"/.[!.]*; do
+        [[ -e "$f" || -L "$f" ]] || continue
+        [[ -e "$new/${f##*/}" ]] && continue
+        mv "$f" "$new/" && moved=0
+    done
+    rmdir "$old" 2>/dev/null && ln -s "$new" "$old"
+    return "$moved"
+}
+
+migrate_layout() {
+    # Before 2.5.0 the state and scripts were under the project's old name
+    # (cachyos-gamescope-boot). Moved once; the old names stay as symlinks,
+    # so an older release that still runs finds the same state.
+    local old_state="${XDG_STATE_HOME:-$HOME/.local/state}/cachyos-gamescope-boot"
+    local old_bin="${XDG_DATA_HOME:-$HOME/.local/share}/cachyos-gamescope-boot"
+    local old_icon="${XDG_DATA_HOME:-$HOME/.local/share}/icons/hicolor/scalable/apps/cachyos-gamescope-boot-wizard.svg"
+    local f
+    # Links left pointing at nothing once their component was turned off.
+    for f in "$old_state" "$old_bin"; do [[ -L "$f" && ! -e "$f" ]] && rm -f "$f"; done
+    migrate_dir "$old_state" "$STATE_DIR"
+    if migrate_dir "$old_bin" "$STEAMIFY_BIN"; then
+        # The notifier had the old paths built in; its unit and the
+        # shortcut's entries point at the scripts.
+        [[ -f "$STEAMIFY_BIN/steamify-notifier" ]] &&
+            patch_file steamify-notifier.py | install_executable "$STEAMIFY_BIN/steamify-notifier" 755
+        for f in "$NOTIFY_UNITS/$NOTIFY_NAME.service" "$WIZARD_APP_ENTRY" "$WIZARD_TERMINAL_ENTRY" \
+            "$(wizard_desktop_dir)/$WIZARD_DESKTOP_NAME"; do
+            [[ -f "$f" ]] && sed -i "s|$old_bin/|$STEAMIFY_BIN/|g" "$f"
+        done
+        systemctl --user daemon-reload 2>/dev/null
+    fi
+    if [[ -f "$old_icon" ]]; then
+        if [[ -e "$WIZARD_ICON" ]]; then rm -f "$old_icon"; else mv "$old_icon" "$WIZARD_ICON"; fi
+        gtk-update-icon-cache -q -f -t "$(dirname "$(dirname "$(dirname "$WIZARD_ICON")")")" 2>/dev/null || true
+    fi
+    for f in "$WIZARD_APP_ENTRY" "$WIZARD_TERMINAL_ENTRY" "$(wizard_desktop_dir)/$WIZARD_DESKTOP_NAME"; do
+        [[ -f "$f" ]] && grep -q '^Icon=cachyos-gamescope-boot-wizard$' "$f" &&
+            sed -i 's|^Icon=cachyos-gamescope-boot-wizard$|Icon=steamify|' "$f"
+    done
+    return 0
+}