Add release labels to issues on merge

Signed-off-by: stianst <stianst@gmail.com>

.github/scripts/pr-find-issues.sh

@@ -0,0 +1,29 @@
+#!/bin/bash -e
+
+PR="$1"
+REPO="$2"
+
+if [ "$REPO" == "" ]; then
+  REPO="keycloak/keycloak"
+fi
+
+function parse_issues() {
+    echo "$1" | grep -i -P -o "(close|closes|closed|resolve|resolves|resolved) #[[:digit:]]*" | cut -d '#' -f 2 | sort -n
+}
+
+PR_JSON=$(gh api "/repos/$REPO/pulls/$PR")
+
+PR_BODY=$(echo "$PR_JSON" | jq .body)
+PR_MERGE_COMMIT_SHA=$(echo "$PR_JSON" | jq -r .merge_commit_sha)
+
+ISSUES=$(parse_issues "$PR_BODY")
+if [ "$ISSUES" == "" ]; then
+    COMMIT_JSON=$(gh api "/repos/$REPO/commits/$PR_MERGE_COMMIT_SHA")
+    COMMIT_MESSAGE=$(echo "$COMMIT_JSON" | jq .commit.message)
+
+    ISSUES=$(parse_issues "$COMMIT_MESSAGE")
+fi
+
+for i in $ISSUES; do
+    echo "$i"
+done