Automatically label issues based on regular expression matches in tit…

…le and description

.github/issue-labeler.yml

@@ -0,0 +1,31 @@
+# This is a mapping of issue labels to title/description regex patterns used by
+# https://github.com/github/issue-labeler to automatically add labels to
+# issues when opened/edited.
+#
+# If multiple patterns are provided in the list for a label, they all have to
+# match.
+#
+# To label when any one of multiple patterns matches, concatenate the patterns
+# using a "|" delimeter, to form a single pattern.
+#
+# "^" appears to match only the beginning of the issue title.
+#
+# Automatic label removal is currently disabled, but could be enabled.
+
+crash:
+  - '^Crash Report|Crash ID: crash/'
+
+OS/Linux:
+  - 'OS[|:\s]+Linux|Operating System:\s+Linux'
+
+OS/Windows:
+  - 'OS[|:\s]+Windows|Operating System:\s+Windows NT'
+
+OS/macOS:
+  - 'OS[|:\s]+Mac OS|Operating System:\s+Mac OS X'
+
+OS/Android:
+  - 'OS[|:\s]+Android|Operating System:\s+Android'
+
+OS/iOS:
+  - 'OS[|:\s]+iOS|Device/OS:\s+iPhone|Operating System:\s+iOS'

.github/workflows/assign-issue-labels.yml

@@ -0,0 +1,19 @@
+name: Assign issue labels
+on:
+  issues:
+    types: [opened, edited]
+
+permissions:
+  issues: write
+  contents: read
+
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: github/issue-labeler@c1b0f9f52a63158c4adc09425e858e87b32e9685 # v3.4
+      with:
+        configuration-path: .github/issue-labeler.yml
+        enable-versioned-regex: 0
+        include-title: 1
+        #sync-labels: 1 # This removes also manually added labels

.github/workflows/assign-labels.yml → .github/workflows/assign-pr-labels.yml

@@ -1,4 +1,4 @@
-name: Assign labels
+name: Assign PR labels
 
 on:
   pull_request:
@@ -14,6 +14,7 @@ jobs:
     steps:
     - uses: actions/labeler@ac9175f8a1f3625fd0d4fb234536d26811351594 # v4.3.0
       with:
+        configuration-path: .github/pr-labeler.yml
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
         # Workaround for https://github.com/actions/labeler/issues/104
         # Explained at https://github.com/wesnoth/wesnoth/commit/958c82d0867568057caaf58356502ec8c87d8366