Merge pull request #113 from XenitAB/status-action

GitHub Action support for status action

README.md

@@ -108,6 +108,28 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 ```
 
+In order to block automatic promotion, you can add a status workflow:
+
+```yaml
+on:
+  pull_request:
+    branches:
+      - main
+jobs:
+  prev-env-status:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          # gitops-promotion currently needs access to history
+          fetch-depth: 0
+      - uses: xenitab/gitops-promotion@v0.0.8
+        with:
+          action: status
+          token: ${{ secrets.GITHUB_TOKEN }}
+```
+
 ## Building
 
 You will need pkg-config and libgit2, please install it from your package manager.

action-entrypoint.sh

@@ -18,6 +18,12 @@ case $ACTION in
             -sourcedir "$GITHUB_WORKSPACE" \
             -token "$TOKEN"
         ;;
+    status)
+        /usr/local/bin/gitops-promotion status \
+            -provider github \
+            -sourcedir "$GITHUB_WORKSPACE" \
+            -token "$TOKEN"
+        ;;
     *)
         echo "Unkown action $ACTION"
         exit 1

action.yaml

@@ -4,7 +4,9 @@ description: |
   A tool to do automatic promotion with a GitOps workflow.
 inputs:
   action:
-    description: Action to perform; one of "new" or "promote".
+    description: >
+      Action to perform; one of "new", "promote" or "status". See 
+      https://github.com/XenitAB/gitops-promotion/README.md for details.
     required: true
   token:
     description: Access token (PAT) to git provider. You probably want secrets.GITHUB_TOKEN