ci: workflows improvements (#7)

* ci: workflows improvements

* ci: added `tag-conflicts` action

* ci(test): only test on `lua` and `tests` directories

Author: AlejandroSuero

.github/workflows/docs.yml

@@ -6,11 +6,6 @@ on:
       - main
     paths:
       - "README.md"
-  pull_request:
-    branches:
-      - main
-    paths:
-      - "README.md"
 
 jobs:
   docs:

.github/workflows/lint.yml

@@ -1,12 +1,6 @@
 name: lint
 
 on:
-  push:
-    branches:
-      - main
-    paths:
-      - "lua/**"
-      - "tests/**"
   pull_request:
     branches:
       - main

.github/workflows/tag-conflicts.yml

@@ -0,0 +1,23 @@
+name: Tag PRs with merge conflicts
+
+on:
+  # So that PRs touching the same files as the push are updated
+  push:
+  # So that the `dirtyLabel` is removed if conflicts are resolve
+  # We recommend `pull_request_target` so that github secrets are available.
+  # In `pull_request` we wouldn't be able to change labels of fork PRs
+  pull_request_target:
+    types: [synchronize]
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: check if prs are dirty
+        uses: eps1lon/actions-label-merge-conflict@releases/2.x
+        with:
+          dirtyLabel: conflicts
+          removeOnDirtyLabel: conflicts
+          repoToken: "${{ secrets.GITHUB_TOKEN }}"
+          commentOnDirty: "⚠️ This PR has conflicts. Please, solve them."
+          commentOnClean: "✅ The conflict have been solved! Ready to review."

.github/workflows/test.yml

@@ -4,6 +4,9 @@ on:
   pull_request:
     branches:
       - main
+    paths:
+      - "lua/**"
+      - "tests/**"
 
 jobs:
   run_tests: