refactor: improve the git hook script (cosmos#5689)

* refactor: improve git hook script

* revert debug changes

---------

Co-authored-by: Carlos Rodriguez <[email protected]>

Author: levisyin

Makefile

@@ -317,6 +317,7 @@ setup-pre-commit:
 	@cp .git/hooks/pre-commit .git/hooks/pre-commit.bak 2>/dev/null || true
 	@echo "Installing pre-commit hook..."
 	@ln -sf ../../scripts/hooks/pre-commit.sh .git/hooks/pre-commit
+	@echo "Pre-commit hook was installed at .git/hooks/pre-commit"
 
 #? lint: Run golangci-lint on all modules
 lint:

scripts/hooks/pre-commit.sh

@@ -22,12 +22,11 @@ function check_golangci_lint_version(){
 }
 
 function lint_and_add_modified_go_files() {
-  local go_files="$(git diff --name-only --diff-filter=d | grep \.go$ | grep -v \.pb\.go$)"
-  for f in $go_files; do
-    local dir_name="$(dirname $f)"
+  local go_file_dirs="$(git diff --name-only --diff-filter=d | grep \.go$ | grep -v \.pb\.go$ | xargs dirname | sort | uniq)"
+  for dir_name in $go_file_dirs; do
     golangci-lint run "${dir_name}" --fix --out-format=tab --issues-exit-code=0
-    echo "adding ${f} to git index"
-    git add $f
+    echo "adding ${dir_name} to git index"
+    git add $dir_name
   done
 }