CI: improve more ci worflow

.github/workflows/nightly.yml

@@ -14,6 +14,10 @@ concurrency:
 jobs:
   build:
     runs-on: macos-26
+    strategy:
+      fail-fast: true
+      matrix:
+        xcode-version: ['26.2']
 
     steps:
       - uses: actions/checkout@v4
@@ -27,7 +31,6 @@ jobs:
       # runtime env setup
       # --------------------------------------------------
       - uses: actions/checkout@v4
-        if: ${{ inputs.is_beta }}
         with:
           repository: 'SideStore/beta-build-num'
           ref: ${{ env.ref }}
@@ -52,6 +55,11 @@ jobs:
           echo "SHORT_COMMIT=$SHORT_COMMIT" >> $GITHUB_ENV
           echo "VERSION=$QUALIFIED_VERSION" >> $GITHUB_ENV
 
+      - name: Setup Xcode
+        uses: maxim-lobanov/setup-xcode@v1.6.0
+        with:
+          xcode-version: ${{ matrix.xcode-version }}
+
       - name: Restore Cache
         id: xcode-cache
         uses: actions/cache/restore@v3

scripts/ci/workflow.py

@@ -328,21 +328,32 @@ COMMANDS = {
 }
 
 def main():
+    def usage():
+        lines = ["Available commands:"]
+        for name, (_, argc, arg_usage) in COMMANDS.items():
+            suffix = f" {arg_usage}" if arg_usage else ""
+            lines.append(f"  - {name}{suffix}")
+        return "\n".join(lines)
+
     if len(sys.argv) < 2:
-        raise SystemExit("No command")
+        raise SystemExit(usage())
 
     cmd = sys.argv[1]
 
     if cmd not in COMMANDS:
-        raise SystemExit(f"Unknown command '{cmd}'")
+        raise SystemExit(
+            f"Unknown command '{cmd}'.\n\n{usage()}"
+        )
 
-    func, argc, _ = COMMANDS[cmd]
+    func, argc, arg_usage = COMMANDS[cmd]
+
+    if len(sys.argv) - 2 < argc:
+        suffix = f" {arg_usage}" if arg_usage else ""
+        raise SystemExit(f"Usage: workflow.py {cmd}{suffix}")
 
     args = sys.argv[2:2 + argc]
-    result = func(*args) if argc else func()
+    func(*args) if argc else func()
 
-    if result is not None:
-        print(result)
 
 if __name__ == "__main__":
     main()