Ship AppImage with bundled GTK runtime and automated releases

btd700/integration.py

@@ -1,6 +1,7 @@
 """User-scoped desktop integration."""
 from pathlib import Path
 import os
+import shutil
 import sys
 
 ROOT = Path(__file__).resolve().parent.parent
@@ -8,10 +9,17 @@ APP_ID = 'io.github.btd700linux.Control'
 
 
 def desktop_entry(*, background=False):
+    appdir = os.environ.get('APPDIR')
+    appimage = os.environ.get('APPIMAGE') if appdir else None
     checkout = (ROOT / 'run.sh').is_file()
-    path = str(ROOT / 'run.sh') if checkout else sys.executable
-    module_args = '' if checkout else ' -m btd700'
-    icon = str(ROOT / 'packaging/btd700-control.svg') if checkout else 'audio-headphones'
+    path = appimage or (str(Path(appdir) / 'AppRun') if appdir else None) or (str(ROOT / 'run.sh') if checkout else sys.executable)
+    module_args = '' if appdir or checkout else ' -m btd700'
+    # The pinned type2 runtime removes its CLI flag before launching AppRun;
+    # its extraction directory also identifies subsequent launches in this mode.
+    if appimage and ('APPIMAGE_EXTRACT_AND_RUN' in os.environ or Path(appdir).name.startswith('appimage_extracted_')):
+        module_args = ' --appimage-extract-and-run'
+    icon = (str(installed_icon()) if appimage else str(Path(appdir) / 'btd700-control.svg') if appdir
+            else str(ROOT / 'packaging/btd700-control.svg') if checkout else 'audio-headphones')
     # Desktop Entry Exec quoting is not shell quoting.
     escaped = path.replace('\\', '\\\\').replace('"', '\\"').replace('`', '\\`').replace('$', '\\$').replace('%', '%%')
     return ('[Desktop Entry]\nType=Application\nName=BTD 700 Control\n'
@@ -29,9 +37,22 @@ def autostart_path():
     return base / 'autostart' / f'{APP_ID}.desktop'
 
 
+def installed_icon():
+    base = Path(os.environ.get('XDG_DATA_HOME', Path.home() / '.local/share'))
+    return base / 'icons/hicolor/scalable/apps' / f'{APP_ID}.svg'
+
+
+def install_appimage_icon():
+    if os.environ.get('APPIMAGE') and os.environ.get('APPDIR'):
+        path = installed_icon()
+        path.parent.mkdir(parents=True, exist_ok=True)
+        shutil.copyfile(Path(os.environ['APPDIR']) / 'btd700-control.svg', path)
+
+
 def set_autostart(enabled):
     path = autostart_path()
     if enabled:
+        install_appimage_icon()
         path.parent.mkdir(parents=True, exist_ok=True)
         path.write_text(desktop_entry(background=True))
     else: