fix: bug running on pull_request_review (#915)

.github/workflows/test.yml

@@ -12,9 +12,9 @@ on:
       - reopened
     branches:
       - main
-#  pull_request_review
-#  branches:
-#    - main
+  pull_request_review:
+    branches:
+      - main
 
 jobs:
   shellcheck:

action.yml

@@ -182,8 +182,8 @@ runs:
         GITHUB_REPOSITORY: ${{ github.repository }}
         GITHUB_REF: ${{ github.ref }}
         GITHUB_SHA: ${{ github.sha }}
-        GITHUB_BASE_REF: ${{ github.base_ref }}
-        GITHUB_HEAD_REF: ${{ github.head_ref }}
+        GITHUB_BASE_REF: ${{ github.event.pull_request.base.ref }}
+        GITHUB_HEAD_REF: ${{ github.event.pull_request.head.ref }}
         GITHUB_WORKSPACE: ${{ github.workspace }}
         GITHUB_EVENT_NUMBER: ${{ github.event.number }}
         GITHUB_EVENT_HEAD_REPO_FORK: ${{ github.event.pull_request.head.repo.fork }}
@@ -226,7 +226,7 @@ runs:
       shell: bash
       env:
         GITHUB_WORKSPACE: ${{ github.workspace }}
-        GITHUB_BASE_REF: ${{ github.base_ref }}
+        GITHUB_BASE_REF: ${{ github.event.pull_request.base.ref }}
         GITHUB_EVENT_HEAD_REPO_FORK: ${{ github.event.pull_request.head.repo.fork }}
         # INPUT_<VARIABLE_NAME> is not available in Composite run steps
         # https://docs.github.com/en/actions/creating-actions/metadata-syntax-for-github-actions#example-specifying-inputs

diff-sha.sh

@@ -50,6 +50,8 @@ else
   echo "Valid git version found: ($GIT_VERSION)"
 fi
 
+echo "Base Ref: $GITHUB_BASE_REF"
+
 if [[ -z $GITHUB_BASE_REF ]]; then
   echo "Running on a push event..."
   TARGET_BRANCH=$GITHUB_REFNAME