Fix colour issue for zsh

Author: michaeldfallen

prompt.bash

@@ -10,7 +10,7 @@ if is_repo; then
   if show_remote_status $args; then
     bash_color_remote_commits
   fi
-  readable_branch_name
+  bash_readable_branch_name
   bash_color_local_commits
   printf "\x01\033[1;30m\x02)\x01\033[0m\x02"
   bash_color_changes_status

prompt.zsh

@@ -12,7 +12,7 @@ if is_repo; then
   if show_remote_status $args; then
     zsh_color_remote_commits
   fi
-  readable_branch_name
+  zsh_readable_branch_name
   zsh_color_local_commits
   printf '%s' "%{$fg_bold[black]%})%{$reset_color%}"
   zsh_color_changes_status

radar-base.sh

@@ -180,7 +180,13 @@ branch_ref() {
   fi
 }
 
-readable_branch_name() {
+zsh_readable_branch_name() {
+  if is_repo; then
+    printf '%s' "$COLOR_BRANCH$(branch_name || printf '%s' "detached@$(commit_short_sha)")$RESET_COLOR_BRANCH"
+  fi
+}
+
+bash_readable_branch_name() {
   if is_repo; then
     printf "$COLOR_BRANCH$(branch_name || printf '%s' "detached@$(commit_short_sha)")$RESET_COLOR_BRANCH"
   fi