added in the check to get the last commit

scripts/manpage_generation.sh

@@ -5,8 +5,11 @@ CURRENT_VER=$(grep -oP '^Version:\s+\K\S+' packaging/convert2rhel.spec)
 
 echo "Current version: $CURRENT_VER"
 
-# Check if the spec file has changes
-if git diff --quiet HEAD~1 packaging/convert2rhel.spec; then
+# Get the last commit in the current branch to compare
+LAST_COMMIT=$(git rev-parse HEAD)
+
+# Check if the spec file has changes compared to the last commit
+if git diff --quiet $LAST_COMMIT -- packaging/convert2rhel.spec; then
     echo "Version is up-to-date."
     exit 0
 else