Release 1.0.0 (#3)

* Add basic README file (#1)

* Add javascript action for pull requests (#2)

---------

Co-authored-by: Kai Mayer <[email protected]>

.github/workflows/create-pull-request.yml

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+name: Create Pull Request
+
+on:
+  pull_request:
+    types:
+      - closed
+    branches: [ develop, master ]
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+  pull-requests: write
+
+env:
+  REPO_HEAD: ${{ github.base_ref }}
+  REPO_BASE: ${{ github.base_ref == 'develop' && 'master' || 'develop' }}
+
+jobs:
+  create-pull-request:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Create Pull Request
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const script = require('./.github/workflows/scripts/create-pull-request.js')
+
+            await script({
+              github,
+              context,
+            })

.github/workflows/scripts/create-pull-request.js

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+const capitalize = (string) => {
+  return string.charAt(0).toUpperCase() + string.slice(1)
+}
+
+const getQueryData = (context) => {
+  const { REPO_HEAD: head, REPO_BASE: base } = process.env
+  const { owner, repo } = context.repo
+
+  return { owner, repo, head, base }
+}
+
+const getPullRequestTitle = (data) => {
+  return `${capitalize(data.head)} -> ${capitalize(data.base)}`
+}
+
+const findPullRequest = async (github, context) => {
+  const data = getQueryData(context)
+
+  const response = await github.rest.pulls.list(data)
+
+  if (response?.data === null || response.data.length === 0) {
+    return null
+  }
+
+  return response.data.find((pr) =>
+    pr.title.includes(getPullRequestTitle(data))
+  )
+}
+
+const getBodyToAppend = (pullRequest) => {
+  return `\n- #${pullRequest.number} by @${pullRequest.user.login}`
+}
+
+const createPullRequest = async (github, context) => {
+  const data = getQueryData(context)
+
+  const date = new Date().toLocaleDateString('us', {
+    day: 'numeric',
+    month: 'long',
+    year: 'numeric',
+  })
+
+  const title = `${getPullRequestTitle(data)} \`${date}\``
+
+  const body =
+    '_This PR was automatically created by an action._\n' +
+    '## Downtime \n' +
+    '## Pull Requests' +
+    getBodyToAppend(context.payload.pull_request)
+
+  await github.rest.pulls.create({
+    ...data,
+    title,
+    body,
+    draft: true,
+  })
+}
+
+const updatePullRequest = async (github, context, pullRequest) => {
+  const data = getQueryData(context)
+
+  const body = pullRequest.body + getBodyToAppend(context.payload.pull_request)
+
+  await github.rest.pulls.update({
+    ...data,
+    body,
+    pull_number: pullRequest.number,
+  })
+}
+
+module.exports = async ({ github, context }) => {
+  if (!context.payload.pull_request.merged) {
+    return
+  }
+
+  const pullRequest = await findPullRequest(github, context)
+
+  if (pullRequest === null) {
+    await createPullRequest(github, context)
+
+    return
+  }
+
+  await updatePullRequest(github, context, pullRequest)
+}

README.md

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+# Create Pull Request Action
+
+This action creates or updates a pull request in your repository.
+
+Example:
+Your development branch is `develop` and your release branch is `master`.
+
+On merging a pull request into `develop` the following pull request is either created or updated:
+`develop -> master`
+
+On merging a pull request into `master` the following pull request is either created or updated:
+`master -> develop`
+
+These pull request are updated with the latest pull requests merged to the target branch.