Merge pull request #85 from snikket-im/auto-versioning

Automatically determine version from build info or git

Dockerfile

@@ -37,5 +37,7 @@ ENV SNIKKET_WEB_PROSODY_ENDPOINT=http://127.0.0.1:5280/
 
 HEALTHCHECK CMD nc -zv ${SNIKKET_TWEAK_PORTAL_INTERNAL_HTTP_INTERFACE:-127.0.0.1} ${SNIKKET_TWEAK_PORTAL_INTERNAL_HTTP_PORT:-5765}
 
+RUN echo "$BUILD_SERIES $BUILD_ID" > /opt/snikket-web-portal/.app_version
+
 ADD docker/entrypoint.sh /entrypoint.sh
 ENTRYPOINT ["/bin/sh", "/entrypoint.sh"]

snikket_web/__init__.py

@@ -21,7 +21,7 @@ from quart import (
 import environ
 
 from . import colour, infra
-from ._version import version, version_info  # noqa:F401
+from ._version import version  # noqa:F401
 
 
 async def proc() -> typing.Dict[str, typing.Any]:

snikket_web/_version.py

@@ -1,5 +1,15 @@
-version_info = (0, 2, 1, None)
-version = (
-    ".".join(map(str, version_info[:3])) +
-    (f"-{version_info[3]}" if version_info[3] else "")
-)
+import os
+import subprocess
+
+version = "(unknown)"
+
+if os.path.exists(".app_version"):
+    with open(".app_version") as f:
+        version = f.read().strip()
+elif os.path.exists(".git"):
+    try:
+        version = subprocess.check_output([
+            "git", "describe", "--always"
+        ]).strip().decode("utf8")
+    except OSError:
+        version = "dev (unknown)"