Start standalone frontend service

scripts/bump-version.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+"""Use VERSION as the single source for frontend release metadata."""
+
+import argparse
+from pathlib import Path
+import re
+
+
+VERSION_FILE = Path("VERSION")
+CHART_FILE = Path("deploy/helm/ai-spel-frontend/Chart.yaml")
+SEMVER = re.compile(r"^(\d+)\.(\d+)\.(\d+)$")
+
+
+def read_version() -> str:
+    version = VERSION_FILE.read_text().strip()
+    if not SEMVER.fullmatch(version):
+        raise SystemExit(f"Invalid semantic version in {VERSION_FILE}: {version}")
+    return version
+
+
+def update_one(contents: str, pattern: str, replacement: str, description: str) -> str:
+    updated, count = re.subn(pattern, replacement, contents, count=1, flags=re.MULTILINE)
+    if count != 1:
+        raise SystemExit(f"Expected one {description} in {CHART_FILE}, found {count}")
+    return updated
+
+
+def check(version: str) -> str:
+    chart = CHART_FILE.read_text()
+    chart_version = re.findall(r"(?m)^version:\s*(\S+)\s*$", chart)
+    app_version = re.findall(r'(?m)^appVersion:\s*"(\S+)"\s*$', chart)
+    if chart_version != [version] or app_version != [version]:
+        raise SystemExit(
+            f"Version drift: VERSION={version}, chart version={chart_version}, "
+            f"appVersion={app_version}"
+        )
+    return version
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument("--check", action="store_true", help="verify metadata without editing")
+    args = parser.parse_args()
+
+    current = check(read_version())
+    if args.check:
+        print(current)
+        return
+
+    major, minor, patch = map(int, current.split("."))
+    next_version = f"{major}.{minor}.{patch + 1}"
+    chart = CHART_FILE.read_text()
+    chart = update_one(
+        chart,
+        r"(?m)^version:\s*" + re.escape(current) + r"\s*$",
+        f"version: {next_version}",
+        "chart version",
+    )
+    chart = update_one(
+        chart,
+        r'(?m)^appVersion:\s*"' + re.escape(current) + r'"\s*$',
+        f'appVersion: "{next_version}"',
+        "chart appVersion",
+    )
+    VERSION_FILE.write_text(f"{next_version}\n")
+    CHART_FILE.write_text(chart)
+    print(next_version)
+
+
+if __name__ == "__main__":
+    main()