Feat(unabsorbgitdirs): Add a sentinel

[git-scripts.git] / submodules / unabsorbgitdirs

diff --git a/submodules/unabsorbgitdirs b/submodules/unabsorbgitdirs
index 2416477c05c4b7716b53ae34fc3ec715d0211b6e..76d1c40f2797ef1609c3d566738d1e67b7066a5e 100755 (executable)
--- a/submodules/unabsorbgitdirs
+++ b/submodules/unabsorbgitdirs
@@ -7,9 +7,9 @@ cd "`git rev-parse --show-toplevel`"
 unset GIT_DIR
 
 # If .git/ subdirectory is already here
-test -d .git && exit 0
+[ -d .git ] && exit 0
 
-if ! test -f .git; then
+if ! [ -f .git ]; then
     echo "Error: Cannot find gitlink, aborting" >&2
     exit 1
 fi
@@ -18,6 +18,10 @@ fi
 git config --unset core.worktree
 
 read _gitdir gitpath < .git
+if [ "$_gitdir" != gitdir: ]; then
+    echo "Error: Bad gitlink, aborting" >&2
+    exit 1
+fi
 unset _gitdir
 rm .git
 exec mv "$gitpath" .git