handle non-git directories

diff --git a/.zsh/zshrc/85_git_prompt b/.zsh/zshrc/85_git_prompt
index 9d05ccae609f8917a7875ae1cd11244c53e8a873..7e445b09c213cae80d2409fdcc90d5d689fbdab8 100644 (file)
--- a/.zsh/zshrc/85_git_prompt
+++ b/.zsh/zshrc/85_git_prompt
@@ -15,14 +15,14 @@ _get_git_cur_branch() {
 }
 
 _is_git_repo() {
-  [ $(git rev-parse --is-inside-work-tree) = true ]
+  [ "$(git rev-parse --is-inside-work-tree)" = true ]
 }
 
 _set_git_psvar() {
   if _is_git_repo; then
     psvar[1]="$(_get_git_cur_branch)"
   else
-    unset "psvar[1]"
+    [ -n "$psvar[1]" ] && unset "psvar[1]"
   fi
 }