X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=setup.c;h=b6e6b5ae272b3ecae7dfa2cb446aef97e826884a;hb=f7d59e256884f63adeed9a1f3376a386a28681ff;hp=03cd84f2fcbf9cdbc25116308a9c2c9407af8e71;hpb=8272bcabac0b68e6d526ec0fcbc6d6e532b3e2af;p=git.git

diff --git a/setup.c b/setup.c
index 03cd84f2f..b6e6b5ae2 100644
--- a/setup.c
+++ b/setup.c
@@ -325,6 +325,7 @@ static const char *setup_explicit_git_dir(const char *gitdirenv,
 	const char *work_tree_env = getenv(GIT_WORK_TREE_ENVIRONMENT);
 	const char *worktree;
 	char *gitfile;
+	int offset;
 
 	if (PATH_MAX - 40 < strlen(gitdirenv))
 		die("'$%s' too big", GIT_DIR_ENVIRONMENT);
@@ -390,15 +391,15 @@ static const char *setup_explicit_git_dir(const char *gitdirenv,
 		return NULL;
 	}
 
-	if (!prefixcmp(cwd, worktree) &&
-	    cwd[strlen(worktree)] == '/') { /* cwd inside worktree */
+	offset = dir_inside_of(cwd, worktree);
+	if (offset >= 0) {	/* cwd inside worktree? */
 		set_git_dir(real_path(gitdirenv));
 		if (chdir(worktree))
 			die_errno("Could not chdir to '%s'", worktree);
 		cwd[len++] = '/';
 		cwd[len] = '\0';
 		free(gitfile);
-		return cwd + strlen(worktree) + 1;
+		return cwd + offset;
 	}
 
 	/* cwd outside worktree */