From 9fab9c2082fa76c1d113ed0f95a341889a50c5b6 Mon Sep 17 00:00:00 2001
From: Patrick Organ <patinthehat@users.noreply.github.com>
Date: Sun, 27 Nov 2022 07:11:31 -0500
Subject: [PATCH] Add Dependabot Automation (#136)

* add dependabot configuration

* add workflow to auto-merge dependabot PRs
---
 .github/dependabot.yml                      |  8 +++++
 .github/workflows/dependabot-auto-merge.yml | 40 +++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 .github/dependabot.yml
 create mode 100644 .github/workflows/dependabot-auto-merge.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..a76dd83
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+
+updates:
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/dependabot-auto-merge.yml b/.github/workflows/dependabot-auto-merge.yml
new file mode 100644
index 0000000..78e5cd2
--- /dev/null
+++ b/.github/workflows/dependabot-auto-merge.yml
@@ -0,0 +1,40 @@
+name: dependabot-auto-merge
+on: pull_request_target
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.5
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          compat-lookup: true
+
+      - name: Auto-merge Dependabot PRs for semver-minor updates
+        if: ${{steps.metadata.outputs.update-type == 'version-update:semver-minor'}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
+      - name: Auto-merge Dependabot PRs for semver-patch updates
+        if: ${{steps.metadata.outputs.update-type == 'version-update:semver-patch'}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
+      - name: Auto-merge Dependabot PRs for Action major versions when compatibility is higher than 90%
+        if: ${{steps.metadata.outputs.package-ecosystem == 'github_actions' && steps.metadata.outputs.update-type == 'version-update:semver-major' && steps.metadata.outputs.compatibility-score >= 90}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}