Fix data version extraction

.gitea/workflows/deploy.yml

@@ -80,6 +80,12 @@ jobs:
       - name: Run tests
         run: .venv-ci/bin/python -m unittest discover -s tests -t . --verbose
 
+      # DEPLOY_PATH has no .git (see below), so this is the only chance to
+      # ask git for the commit. config.py's APP_VERSION reads it back, to
+      # tell a resumed iOS home-screen session its UI is stale.
+      - name: Stamp the deployed version
+        run: git rev-parse --short HEAD > VERSION
+
       # .venv, .env and config.json are excluded, so the
       # runtime, the stereo pair's learned membership, Spotify's
       # credentials, and your rooms/ports survive --delete untouched.

.gitignore

@@ -10,3 +10,6 @@ venv/
 
 # Your own rooms/speakers/ports -- copy config.json.example to config.json
 config.json
+
+# Stamped by the Gitea deploy at checkout time -- see config.py's APP_VERSION
+VERSION

README.md

@@ -60,6 +60,8 @@ pip install -r requirements.txt
 python3 app.py
 ```
 
+Needs `git` on PATH and the clone's `.git` left in place — with no `VERSION` file, that's what the panel falls back to at startup for the same stale-UI check.
+
 ### Add a reverse proxy (optional)
 
 It serves the panel at `/heos` and refuses everything else on that host; the file ends with the two-line change that puts it at the root instead.

config.py

@@ -109,9 +109,16 @@ APP_NAME = "Heos"
 
 # The deployed commit, so the UI can tell when the Pi has moved on to a
 # newer version and reload itself -- iOS otherwise resumes a suspended
-# home-screen session without ever checking back with the server. Empty
+# home-screen session without ever checking back with the server. The
-# when git isn't available; app.js treats that as "nothing to compare".
+# Gitea deploy stamps VERSION at checkout time and ships it (the deployed
+# tree otherwise has no .git -- see .gitea/workflows/deploy.yml); a manual
+# git-clone install has no VERSION file, so it falls back to asking git
+# directly. Empty when neither is available; app.js treats that as
+# "nothing to compare".
 def _app_version() -> str:
+    version_file = Path(__file__).resolve().parent / "VERSION"
+    if version_file.exists():
+        return version_file.read_text().strip()
     try:
         result = subprocess.run(
             ["git", "rev-parse", "--short", "HEAD"],