pr3436 vs submodules

mktest.sh

#!/bin/sh

set -e

mkdir -p /tmp/pr3436/sub_origin
cd /tmp/pr3436/sub_origin
git init /tmp/pr3436/sub_origin
mkdir subdir
seq 1 10 >subdir/f
git add subdir/f
git commit -m 'subdir/f' -q

mkdir -p /tmp/pr3436/super_main
cd /tmp/pr3436/super_main
git init /tmp/pr3436/super_main
git submodule add /tmp/pr3436/sub_origin sub

cd sub
git worktree add -B master2 /tmp/pr3436/sub_worktree master

worktree.c

//// rest of the file

void test_worktree_worktree__submodule_worktree_open_as_repo(void)
{
	git_buf repo_path = GIT_BUF_INIT;
	git_repository *repo;

	cl_git_pass(git_repository_discover(&repo_path, "/tmp/pr3436/sub_worktree/subdir", 1, NULL));
	fprintf(stderr, "discovered: %s\n", repo_path.ptr);
	cl_git_pass(git_repository_open(&repo, repo_path.ptr));
	fprintf(stderr, "worktree: %s\n", git_repository_workdir(repo));
	cl_assert_equal_s(git_repository_workdir(repo), "/tmp/pr3436/sub_worktree");

	git_repository_free(repo);
	git_buf_free(&repo_path);
}

//// rest of the file