ci: migrate to Gitea Actions

scripts/ci-policy.mjs

@@ -1,5 +1,6 @@
 import { execFileSync, spawnSync } from 'node:child_process';
-import { readFileSync } from 'node:fs';
+import { appendFileSync, readFileSync } from 'node:fs';
+import { readCiContext } from './ci-context.mjs';
 
 const env = process.env;
 const git = (...args) => execFileSync('git', args, { encoding: 'utf8' }).trim();
@@ -11,7 +12,7 @@ const requirePolicy = (condition, message) => {
 };
 
 try {
-	const commit = env.CI_COMMIT_SHA;
+	const { commit, tag, branch, slug, pullRequest, before } = readCiContext();
 	requirePolicy(commit === git('rev-parse', 'HEAD'), 'CI must validate the checked-out commit.');
 	git(
 		'fetch',
@@ -21,33 +22,32 @@ try {
 		'+refs/heads/develop:refs/remotes/origin/develop',
 	);
 
-	if (env.CI_COMMIT_TAG) {
+	if (tag) {
 		requirePolicy(
-			/^v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$/.test(env.CI_COMMIT_TAG),
+			/^v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)$/.test(tag),
 			'Release tags must use vMAJOR.MINOR.PATCH without leading zeroes.',
 		);
 		const { version } = JSON.parse(readFileSync('package.json', 'utf8'));
-		requirePolicy(env.CI_COMMIT_TAG === `v${version}`, 'Release tag must match package.json.');
+		requirePolicy(tag === `v${version}`, 'Release tag must match package.json.');
 		requirePolicy(ancestor(commit, 'origin/main'), 'Release commit must belong to main.');
 	} else {
-		const mr = env.CI_PIPELINE_SOURCE === 'merge_request_event';
-		const branch = mr ? env.CI_MERGE_REQUEST_SOURCE_BRANCH_NAME : env.CI_COMMIT_BRANCH;
-		const target = mr
-			? env.CI_MERGE_REQUEST_TARGET_BRANCH_NAME
+		const target = pullRequest
+			? pullRequest.base?.ref
 			: branch === 'main' || branch?.startsWith('hotfix/')
 				? 'main'
 				: 'develop';
 		requirePolicy(branch, 'A branch name is required.');
-		requirePolicy(['main', 'develop'].includes(target), 'MRs must target main or develop.');
+		git('check-ref-format', `refs/heads/${branch}`);
+		requirePolicy(['main', 'develop'].includes(target), 'PRs must target main or develop.');
 
-		if (mr) {
-			const title = env.CI_MERGE_REQUEST_TITLE?.replace(
+		if (pullRequest) {
+			const title = pullRequest.title?.replace(
 				/^(?:Draft:|WIP:|\[Draft\]|\[WIP\]|\(Draft\)|\(WIP\))\s*/i,
 				'',
 			);
 			requirePolicy(
 				conventional.test(title ?? ''),
-				'MR title must use Conventional Commits.',
+				'PR title must use Conventional Commits.',
 			);
 			requirePolicy(
 				target !== 'main' || /^(release|hotfix)\/.+/.test(branch),
@@ -65,9 +65,8 @@ try {
 			}
 		}
 
-		const before = env.CI_COMMIT_BEFORE_SHA;
 		const base =
-			!mr && before && !/^0+$/.test(before) && ancestor(before, commit)
+			!pullRequest && before && !/^0+$/.test(before) && ancestor(before, commit)
 				? before
 				: git('merge-base', `origin/${target}`, commit);
 		const subjects = git('log', '--format=%h %s', `${base}..${commit}`);
@@ -78,6 +77,9 @@ try {
 			);
 		}
 	}
+	if (env.GITHUB_OUTPUT) {
+		appendFileSync(env.GITHUB_OUTPUT, `slug=${slug}\ntag=${tag}\n`);
+	}
 	console.log('GitFlow, version and commit policy passed.');
 } catch (error) {
 	console.error(error.message);