1 files changed, 3 insertions, 1 deletions

diff --git a/ymir.nix b/ymir.nix
index 84e71119..5d77ecef 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -896,8 +896,10 @@ in rec {
       hook=${pkgs.writeScript "git-sync.sh" ''
         #!${pkgs.zsh}/bin/zsh
 
+        git -C ''${2:h} rev-parse --is-inside-work-tree || exit 0
+
         repository=$(git -C ''${2:h} rev-parse --show-toplevel)
-        [[ $? -eq 0 ]] || exit 0
+        [[ $? -ne 0 ]] && exit $?
 
         git() {
             $(whence -cp git) -C ''${repository} ''${@}