added readonly to vars

Author: MacDada

git_sync.sh

@@ -7,11 +7,11 @@
 #   `./git_sync.sh push` – updates remote/master with changes from current branch
 ##
 
-FORMAT_ITALIC="\033[3m"
-FORMAT_RED="\033[31m"
-FORMAT_GREEN="\033[32m"
-FORMAT_YELLOW="\033[33m"
-FORMAT_RESET="\033[0m"
+readonly FORMAT_ITALIC="\033[3m"
+readonly FORMAT_RED="\033[31m"
+readonly FORMAT_GREEN="\033[32m"
+readonly FORMAT_YELLOW="\033[33m"
+readonly FORMAT_RESET="\033[0m"
 
 ##
 # @param string $1 Message to print
@@ -106,9 +106,9 @@ print_and_run() {
 #
 detect_default_branch() {
   if local_branch_exists "master"; then
-    default_branch="master"
+    readonly default_branch="master"
   elif local_branch_exists "main"; then
-    default_branch="main"
+    readonly default_branch="main"
   else
     print_error "\n ❌ Could not detect default branch (master/main)!\n"
 
@@ -211,13 +211,13 @@ print_info "\nDetected default branch: \"${default_branch}\"."
 
 print_and_run git status
 
-original_stashes_count=$(count_stashes)
+readonly original_stashes_count=$(count_stashes)
 
 print_and_run git stash
 
-stashes_count_after_stash=$(count_stashes)
+readonly stashes_count_after_stash=$(count_stashes)
 
-original_branch=$(git branch --show-current)
+readonly original_branch=$(git branch --show-current)
 
 print_and_run git checkout "${default_branch}"