initial commit

.github/workflows/ci.yml

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+name: CI
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: juliangruber/merge-pull-request-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          number: 1

README.md

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+# merge-pull-request-action
+
+A simple GitHub Action for merging pull requests.
+
+## Usage
+
+```yaml
+steps:
+  - uses: juliangruber/merge-pull-request-action@master
+    with:
+      github-token: ${{ secrets.GITHUB_TOKEN }}
+      number: 1
+      method: squash
+```
+
+## License
+
+MIT

action.yml

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+name: Merge Pull Request
+author: juliangruber
+description: 'A simple GitHub Action for merging pull requests'
+branding:
+  icon: 'git-pull-request'
+  color: blue
+inputs:
+  github-token:
+    description: 'GitHub Token'
+    required: true
+  number:
+    description: 'Pull Request number'
+    required: true
+  method:
+    description: 'Green button merge type (merge, squash, rebase)'
+    default: 'merge'
+runs:
+  using: 'node12'
+  main: 'index.js'

index.js

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+'use strict'
+
+const core = require('@actions/core')
+const { GitHub, context } = require('@actions/github')
+
+const main = async () => {
+  const token = core.getInput('github-token')
+  const number = core.getInput('number')
+  const method = core.getInput('method')
+
+  const octokit = new GitHub(token)
+
+  await octokit.pulls.merge({
+    ...context.repo,
+    pull_number: number,
+    merge_method: method
+  })
+}
+
+main().catch(err => core.setFailed(err.message))