ci: fix changelog script

.github/workflows/ci.yml

@@ -52,6 +52,8 @@ jobs:
           fetch-depth: 0
       - name: Check changelog
         run: bash .github/workflows/scripts/check-changelog.sh
+        env:
+          SHA: ${{ github.sha }}
 
   lints:
     container: 

.github/workflows/scripts/check-changelog.sh

@@ -1,21 +1,28 @@
 #!/bin/bash
 
 check_changelog_added_in_subfolders() {
-    current_branch=$(git rev-parse --abbrev-ref HEAD)
+    if [[ -z "${SHA}" ]]; then
+        head_commit=$(git rev-parse HEAD)
+    else
+        head_commit="${SHA}"
+    fi
+    echo "Using sha: $head_commit"
 
     subfolders=("ci" "bug-fixes" "improvements" "miscellaneous" "features" "testing" "docs")
 
     subfolder_pattern=$(printf "|%s" "${subfolders[@]}")
     subfolder_pattern=${subfolder_pattern:1} # Remove the leading '|'
 
-    added_files=$(git diff --diff-filter=A --name-only "main..$current_branch" | grep "\.changelog/")
+    added_files=$(git diff --diff-filter=A --name-only "main..$head_commit" | grep "\.changelog/")
 
     relevant_files=$(echo "$added_files" | grep -E "\.changelog/unreleased/($subfolder_pattern)/")
 
     if [ -n "$relevant_files" ]; then
         echo "Changelog found: $relevant_files"
+        exit 0
     else
         echo "No files were added in the .changelog directory in the specified subfolders."
+        exit 1
     fi
 }