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-rwxr-xr-xgit-sh-setup-script3
-rw-r--r--setup.c31
2 files changed, 21 insertions, 13 deletions
diff --git a/git-sh-setup-script b/git-sh-setup-script
index 5bf471f..84e15df 100755
--- a/git-sh-setup-script
+++ b/git-sh-setup-script
@@ -11,7 +11,6 @@ die() {
exit 1
}
-[ -d "$GIT_DIR" ] &&
+[ -h "$GIT_DIR/HEAD" ] &&
[ -d "$GIT_DIR/refs" ] &&
-[ -d "$GIT_OBJECT_DIRECTORY" ] &&
[ -d "$GIT_OBJECT_DIRECTORY/00" ]
diff --git a/setup.c b/setup.c
index b8789de..258da17 100644
--- a/setup.c
+++ b/setup.c
@@ -72,6 +72,24 @@ const char **get_pathspec(const char *prefix, char **pathspec)
return (const char **) pathspec;
}
+/*
+ * Test it it looks like we're at the top
+ * level git directory. We want to see a
+ *
+ * - a HEAD symlink and a refs/ directory under ".git"
+ * - either a .git/objects/ directory _or_ the proper
+ * GIT_OBJECT_DIRECTORY environment variable
+ */
+static int is_toplevel_directory(void)
+{
+ struct stat st;
+
+ return !lstat(".git/HEAD", &st) &&
+ S_ISLNK(st.st_mode) &&
+ !access(".git/refs/", X_OK) &&
+ (gitenv(DB_ENVIRONMENT) || !access(".git/objects/", X_OK));
+}
+
const char *setup_git_directory(void)
{
static char cwd[PATH_MAX+1];
@@ -89,17 +107,8 @@ const char *setup_git_directory(void)
offset = len = strlen(cwd);
for (;;) {
- /*
- * We always want to see a .git/refs/ subdirectory
- */
- if (!access(".git/refs/", X_OK)) {
- /*
- * Then we need either a GIT_OBJECT_DIRECTORY define
- * or a .git/objects/ directory
- */
- if (gitenv(DB_ENVIRONMENT) || !access(".git/objects/", X_OK))
- break;
- }
+ if (is_toplevel_directory())
+ break;
chdir("..");
do {
if (!offset)