script to automatically set up a new alpha release

tools/start-alpha-cycle.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+#
+# https://gitlab.com/fdroid/wiki/-/wikis/Internal/Release-Process#versioning
+# https://gitlab.com/fdroid/wiki/-/wikis/Internal/Release-Process#changelogs
+
+import git
+import os
+import re
+import sys
+from pathlib import Path
+
+projectdir = Path(__file__).parent.parent
+os.chdir(projectdir)
+repo = git.Repo.init('.')
+
+tag = str(sorted(repo.tags, key=lambda t: t.commit.committed_datetime, reverse=True)[0])
+if not re.match(r'[0-9]+\.[0-9]+\.[0-9]+\Z', tag):
+    print(f'ERROR: most recent tag "{tag}" is not stable release!')
+    sys.exit(1)
+print(f'Working off of {tag} release')
+
+vc_pat = re.compile(r"versionCode +([1-9][0-9]{6,})")
+versionCode = int(vc_pat.search(repo.git.show(f"{tag}:app/build.gradle")).group(1))
+print(f"Working off of {tag} release (versionCode {versionCode}).")
+
+if versionCode % 1000 == 0:
+    print(versionCode, "is already first alpha")
+    sys.exit(1)
+elif versionCode % 1000 >= 50:
+    print(versionCode, "is stable release")
+
+for f in sorted(projectdir.glob('metadata/*/changelogs/[0-9]*.txt'), reverse=True):
+    changelog_version = int(Path(f).name[:-4])
+    if versionCode <= changelog_version:
+        print(
+            f'ERROR: {versionCode} is newer than changelog version {changelog_version}!'
+        )
+        sys.exit(1)
+
+default_file = 'metadata/en-US/changelogs/default.txt'
+if not Path(default_file).exists():
+    print(f'ERROR: {default_file} does not exist!')
+    sys.exit(1)
+
+newvc = ((versionCode // 1000) + 1) * 1000
+print(f'New alpha versionCode: {newvc}')
+build_gradle = Path('app/build.gradle')
+build_gradle.write_text(vc_pat.sub(f'versionCode {newvc}', build_gradle.read_text()))
+
+for f in projectdir.glob('metadata/*/changelogs/default.txt'):
+    vcf = f.parent / f'{versionCode}{f.suffix}'
+    repo.git.mv(f, vcf)