ACS-8920 Fix pre-commit for empty commits (#1035)

* ACS-8920 Test empty commit

* ACS-8920 Test empty commit

* ACS-8920 Test empty commit

* ACS-8920 Test empty commit

* ACS-8920 Pre-commit job should fail

* Revert "ACS-8920 Pre-commit job should fail"

This reverts commit 80516b76d436c5cb479c8c9edfe3c42edc9131e6.

* ACS-8920 Test empty commit

* ACS-8920 Remove temporary condition

.github/workflows/ci.yml

@@ -37,11 +37,6 @@ env:
 jobs:
   pre_commit:
     runs-on: ubuntu-latest
-    if: >
-      !contains(github.event.head_commit.message, '[release]')
-    outputs:
-      java_version: ${{ env.JAVA_VERSION }}
-      java_version_supported_by_repo: ${{ env.JAVA_VERSION_SUPPORTED_BY_REPO }}
     steps:
       - uses: Alfresco/alfresco-build-tools/.github/actions/setup-java-build@v7.0.0
       - uses: actions/checkout@v4

scripts/check-format-and-headers.sh

@@ -7,6 +7,12 @@ else
   modified_files=${GITHUB_MODIFIED_FILES}
 fi
 
+if [[ -z ${modified_files} ]]
+then
+  echo "No modified files, exiting."
+  exit 0
+fi
+
 include_list=""
 for file in ${modified_files}
 do