Lint the main branch when pushing it

Author: mcmire

.husky/pre-push

@@ -4,12 +4,19 @@
 
 # If the push refs start with (delete), then we're deleting a branch, so skip the pre-push hook
 # Source: <https://github.com/typicode/husky/issues/169#issuecomment-1719263454>
-stdin=$(cat -)
+stdin="$(cat -)"
 if echo "$stdin" | grep -q "^(delete)"; then
   exit 0
 fi
 
-raw_files_to_check="$(git diff main...HEAD --name-only --diff-filter=d)"
+current_branch_name="$(git branch --show-current)"
+
+if [[ "$current_branch_name" == "main" ]]; then
+  raw_files_to_check="$(git diff origin/main...HEAD --name-only --diff-filter=d)"
+else
+  raw_files_to_check="$(git diff main...HEAD --name-only --diff-filter=d)"
+fi
+
 if [[ -n "$raw_files_to_check" ]]; then
   echo "*** Checking for lint violations in changed files ***************"
   echo