build: add Github action for preventing merge of fixup commits

.github/workflows/git.yml

@@ -0,0 +1,21 @@
+# Syntax reference:
+# https://help.github.com/en/actions/automating-your-workflow-with-github-actions/workflow-syntax-for-github-actions
+name: Git Checks
+
+on:
+ pull_request:
+ types: [opened, synchronize]
+
+jobs:
+ # Fixup commits are OK in pull requests, but should generally be squashed
+ # before merging to master, e.g. using `git rebase -i --autosquash master`.
+ # See https://github.com/marketplace/actions/block-autosquash-commits
+ block-fixup:
+ runs-on: ubuntu-latest
+
+ steps:
+ - uses: actions/[email protected]
+ - name: Block autosquash commits
+ uses: xt0rted/block-autosquash-commits-action@v2
+ with:
+ repo-token: ${{ secrets.GITHUB_TOKEN }}