repo: reorder .github

.github/scripts/release.mjs

@@ -0,0 +1,56 @@
+//Imports
+import github from "@actions/github"
+import paths from "path"
+import url from "url"
+import sgit from "simple-git"
+
+//Git setup
+const __metrics = paths.join(paths.dirname(url.fileURLToPath(import.meta.url)), "../..")
+const git = sgit(__metrics)
+
+//Setup octokit
+const token = process.env.GITHUB_TOKEN
+const rest = github.getOctokit(token)
+
+//Environment
+const maintainer = "lowlighter"
+const repository = process.env.GITHUB_REPOSITORY.match(/^(?<owner>[\s\S]+)[/](?<name>[\s\S]+)$/)?.groups ?? null
+const version = process.env.GITHUB_COMMIT_MESSAGE.match(/(?<version>v\d+[.]\d+)/)?.groups?.version ?? null
+
+//Check arguments
+if ((!repository)||(!repository.name)||(!repository.owner))
+  throw new Error(`Could not parse repository "${process.env.GITHUB_REPOSITORY}"`)
+console.log(`Repository: ${repository.owner}/${repository.name}`)
+if (!version)
+  throw new Error(`Could not parse version from "${process.env.GITHUB_COMMIT_MESSAGE}"`)
+console.log(`Version: ${version}`)
+
+//Load related pr
+const {data:{items:prs}} = await rest.search.issuesAndPullRequests({
+  q:`repo:${repository.owner}/${repository.name} is:pr is:merged author:${maintainer} assignee:${maintainer} Release ${version} in:title`
+})
+
+//Ensure that there is exactly one pr matching
+if (prs.length < 1)
+  throw new Error(`No matching prs found`)
+if (prs.length > 1)
+  throw new Error(`Multiple prs found (${prs.length} matching)`)
+const [patchnote] = prs
+console.log(`Using pr#${patchnote.number}: ${patchnote.title}`)
+
+//Check whether release already exists
+try {
+  const {data:{id}} = await rest.repos.getReleaseByTag({owner:repository.owner, repo:repository.name, tag:version})
+  console.log(`Release ${version} already exists (#${id}), will replace it`)
+  await rest.repos.deleteRelease({owner:repository.owner, repo:repository.name, release_id:id})
+  console.log(`Deleting tag ${version}`)
+  await git.push(["--delete", "origin", version])
+  await new Promise(solve => setTimeout(solve, 15*1000))
+}
+catch {
+  console.log(`Release ${version} does not exists yet, will create it`)
+}
+
+//Publish release
+await rest.repos.createRelease({owner:repository.owner, repo:repository.name, tag_name:version, name:`Version ${version.replace(/^v/g, "")}`, body:patchnote.body})
+console.log(`Successfully published`)