static int path_outside_repo(const char *path)
{
- /*
- * We have already done setup_git_directory_gently() so we
- * know we are inside a git work tree already.
- */
const char *work_tree;
size_t len;
if (!is_absolute_path(path))
return 0;
work_tree = get_git_work_tree();
+ if (!work_tree)
+ return 1;
len = strlen(work_tree);
if (strncmp(path, work_tree, len) ||
(path[len] != '\0' && path[len] != '/'))
return;
}
if (argc != i + 2)
- die("git diff %s takes two paths",
- no_index ? "--no-index" : "[--no-index]");
+ usagef("git diff %s <path> <path>",
+ no_index ? "--no-index" : "[--no-index]");
diff_setup(&revs->diffopt);
for (i = 1; i < argc - 2; ) {