refactor: ♻️ enhance readability

src/sync_common.sh

@@ -9,7 +9,7 @@ set -e
 # Arguments:
 # message to print.
 #######################################
-err() {
+function err() {
  echo "::error::[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $*" >&2;
 }
 
@@ -18,7 +18,7 @@ err() {
 # Arguments:
 # message to print.
 #######################################
-debug() {
+function debug() {
  echo "::debug::$*";
 }
 
@@ -27,7 +27,7 @@ debug() {
 # Arguments:
 # message to print.
 #######################################
-warn() {
+function warn() {
  echo "::warn::$*";
 }
 
@@ -36,7 +36,7 @@ warn() {
 # Arguments:
 # message to print.
 #######################################
-info() {
+function info() {
  echo "::info::$*";
 }
 
@@ -46,7 +46,7 @@ info() {
 # hook -> the hook to use
 #
 ####################################3#
-cmd_from_yml_file() {
+function cmd_from_yml_file() {
  local FILE_NAME="templatesync.yml"
  local HOOK=$1
  local YML_PATH=".hooks.${HOOK}.commands"

src/sync_template.sh

@@ -48,7 +48,7 @@ debug "new Git HASH ${NEW_TEMPLATE_GIT_HASH}"
 
 echo "::group::Check new changes"
 
-check_branch_remote_existing() {
+function check_branch_remote_existing() {
  git ls-remote --exit-code --heads origin "${NEW_BRANCH}" || BRANCH_DOES_NOT_EXIST=true
 
  if [[ "${BRANCH_DOES_NOT_EXIST}" != true ]]; then
@@ -143,7 +143,7 @@ git commit -m "${PR_COMMIT_MSG}"
 
 echo "::endgroup::"
 
-cleanup_older_prs () {
+function cleanup_older_prs () {
  older_prs=$(gh pr list \
  --base "${UPSTREAM_BRANCH}" \
  --state open \
@@ -177,7 +177,7 @@ fi
 echo "::endgroup::"
 
 
-maybe_create_labels () {
+function maybe_create_labels () {
  all_labels=${PR_LABELS//,/$'\n'}
  for label in $all_labels
  do
@@ -210,12 +210,12 @@ fi
 
 echo "::endgroup::"
 
-push () {
+function push () {
  debug "push changes"
  git push --set-upstream origin "${NEW_BRANCH}"
 }
 
-create_pr () {
+function create_pr () {
  gh pr create \
  --title "${PR_TITLE}" \
  --body "Merge ${SOURCE_REPO_PATH} ${NEW_TEMPLATE_GIT_HASH}" \