build version check

.gitea/workflows/build-version-check.yml

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+name: Build and Push Version Check Action
+
+on:
+  push:
+    paths:
+      - version-check/**
+      - .gitea/workflows/build-version-check.yml
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build Docker image
+        run: |
+          docker build -t git.cyborggrizzly.com/BearMetal/ci-actions/version-check:latest ./version-check
+
+      - name: Log in to Gitea registry
+        run: |
+          echo "${{ secrets.REGISTRY_TOKEN }}" | docker login git.cyborggrizzly.com -u ${{ secrets.REGISTRY_USER }} --password-stdin
+
+      - name: Push to registry
+        run: |
+          docker push git.cyborggrizzly.com/BearMetal/ci-actions/version-check:latest

deno.json

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+{
+  "tasks": {
+    "dev": "deno run --watch main.ts"
+  },
+  "imports": {
+    "@std/assert": "jsr:@std/assert@1"
+  }
+}

version-check/Dockerfile

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+# Build the binary
+FROM denoland/deno:latest AS builder
+
+WORKDIR /src
+COPY main.ts .
+
+RUN deno compile --allow-read --allow-run --output version-check main.ts
+
+# Final image
+FROM alpine:latest
+COPY --from=builder /src/version-check /usr/local/bin/version-check
+
+ENTRYPOINT ["/usr/local/bin/version-check"]

version-check/action.yml

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+name: Version Check & Tag
+description: Ensures version correctness and creates missing git tags
+runs:
+  using: "docker"
+  image: git.cyborggrizzly.com/BearMetal/ci-actions/version-check:latest

version-check/main.ts

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+const decoder = new TextDecoder();
+const denoJson = JSON.parse(await Deno.readTextFile("deno.json"));
+let version = denoJson.version;
+if (!version) {
+  console.error("Missing 'version' in deno.json");
+  Deno.exit(1);
+}
+
+const branch = Deno.env.get("GITHUB_REF")?.replace("refs/heads/", "") ?? "";
+if (branch.startsWith("prerelease-")) {
+  const suffix = branch.replace("prerelease-", "");
+  const base = version.split("-")[0];
+  const expected = `${base}-${suffix}`;
+  if (version !== expected) {
+    denoJson.version = expected;
+    await Deno.writeTextFile("deno.json", JSON.stringify(denoJson, null, 2));
+    await run("git", ["config", "user.name", "CI"]);
+    await run("git", ["config", "user.email", "ci@cyborggrizzly.com"]);
+    await run("git", ["add", "deno.json"]);
+    await run("git", [
+      "commit",
+      "-m",
+      `fix: sync version with branch ${branch}`,
+    ]);
+    await run("git", ["push"]);
+    version = expected;
+  }
+}
+
+const tag = `v${version}`;
+try {
+  await run("git", ["rev-parse", tag]);
+  console.log(`Tag ${tag} already exists.`);
+} catch {
+  await run("git", ["tag", tag]);
+  await run("git", ["push", "origin", tag]);
+}
+
+async function run(cmd: string, args: string[]) {
+  const command = new Deno.Command(cmd, {
+    args,
+    stdout: "piped",
+    stderr: "piped",
+  });
+  const status = await command.output();
+  if (!status.success) {
+    const err = decoder.decode(await status.stderr);
+    throw new Error(`Command failed: ${cmd} ${args.join(" ")}\n${err}`);
+  }
+}