ci: script to add label to PR based on edited package

Signed-off-by: Michael Molisani <[email protected]>

.github/workflows/pr_labels.yml

@@ -0,0 +1,27 @@
+name: Add package labels to PR
+
+on:
+    pull_request:
+        types:
+            - opened
+            - reopened
+            - synchronize
+
+permissions:
+    actions: read
+    contents: read
+    pull-requests: write
+
+jobs:
+    main:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+              with:
+                  fetch-depth: 0
+
+            - run: ./scripts/add_labels_to_pr.sh
+              env:
+                GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+                GH_REPO: ${{ github.repository }}
+                PR_NUMBER: ${{ github.event.pull_request.number }}

scripts/add_labels_to_pr.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+for diff_file in $(git diff main...HEAD --name-only); do
+    if [[ $diff_file == packages/core/* ]] && [[ -z "$ADDED_CORE_LABEL" ]]; then
+        echo "Change found in packages/core, adding label for core"
+        gh pr edit $PR_NUMBER --add-label "core ⚙"
+        ADDED_CORE_LABEL = 1
+    fi
+
+    if [[ $diff_file == packages/auto-complete/* ]] && [[ -z "$ADDED_AUTO_COMPLETE_LABEL" ]]; then
+        echo "Change found in packages/auto-complete, adding label for auto-complete"
+        gh pr edit $PR_NUMBER --add-label "auto-complete 🔮"
+        ADDED_AUTO_COMPLETE_LABEL = 1
+    fi
+
+    if [[ $diff_file == packages/create-app/* ]] && [[ -z "$ADDED_CREATE_APP_LABEL" ]]; then
+        echo "Change found in packages/create-app, adding label for create-app"
+        gh pr edit $PR_NUMBER --add-label "create-app 📂"
+        ADDED_CREATE_APP_LABEL = 1
+    fi
+done