fix(ci): allow running on forks (teutonet#931)

.github/scripts/create-values-diff.sh

@@ -121,15 +121,18 @@ function createComment() {
       -d @-
 }
 
-function deleteComment() {
+function updateComment() {
   local issue="$1"
-  local comment="$2"
+  local commentId="$2"
+  local body="$3"
 
-  curl --silent --fail-with-body \
-    -X DELETE \
-    -H 'Accept: application/vnd.github+json' \
-    -H "Authorization: token ${GITHUB_TOKEN}" \
-    "${GITHUB_API_REPO_URL}/issues/comments/${comment}"
+  jq -cn --rawfile body <(echo "$body") '{body: $body}' |
+    curl --silent --fail-with-body \
+      -X PATCH \
+      -H 'Accept: application/vnd.github+json' \
+      -H "Authorization: token ${GITHUB_TOKEN}" \
+      "${GITHUB_API_REPO_URL}/issues/comments/${commentId}" \
+      -d @-
 }
 
 body=$(generateComment "$chart")
@@ -140,12 +143,13 @@ if [[ "$dryRun" == false ]]; then
       -H 'Accept: application/vnd.github+json' \
       -H "Authorization: token ${GITHUB_TOKEN}" \
       "${GITHUB_API_REPO_URL}/issues/${issue}/comments" |
-      jq '. | map(select(.body | contains(":robot: I have diffed this *beep* *boop*")))[0].id'
+      jq -er 'map(select(.body | contains(":robot: I have diffed this *beep* *boop*")))[0].id'
   )"
   if [[ "$existingCommentId" != null ]]; then
-    deleteComment "$issue" "$existingCommentId"
+    updateComment "$issue" "$existingCommentId" "$body"
+  else
+    createComment "$issue" "$body"
   fi
-  createComment "$issue" "$body"
 else
   echo "$body"
 fi

.github/workflows/label-pullrequest.yaml

@@ -1,7 +1,7 @@
 name: Label Chart Pull Request
 
 on:
-  pull_request:
+  pull_request_target:
     paths:
       - charts/**
     types:

.github/workflows/pr-comment-diff.yaml

@@ -4,7 +4,7 @@ concurrency:
   cancel-in-progress: true
 
 on:
-  pull_request:
+  pull_request_target:
     paths:
       - charts/**
     branches-ignore:

.github/workflows/validate-pullrequest.yaml

@@ -1,7 +1,7 @@
 name: Validate and label Pull Request
 
 on:
-  pull_request:
+  pull_request_target:
     types:
       - opened
       - edited