// Copyright 2025 The Jujutsu Authors//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// https://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License. use testutils::git; use crate::common::TestEnvironment; #[test]fn test_git_root_git_backend_noncolocated() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     let output = work_dir.run_jj(["git", "root"]);    insta::assert_snapshot!(output, @r#"    $TEST_ENV/repo/.jj/repo/store/git    [EOF]    "#);} #[test]fn test_git_root_git_backend_colocated() {    let test_env = TestEnvironment::default();    test_env        .run_jj_in(".", ["git", "init", "--colocate", "repo"])        .success();    let work_dir = test_env.work_dir("repo");     let output = work_dir.run_jj(["git", "root"]);    insta::assert_snapshot!(output, @r#"    $TEST_ENV/repo/.git    [EOF]    "#);} #[test]fn test_git_root_git_backend_external_git_dir() {    let test_env = TestEnvironment::default();    let work_dir = test_env.work_dir("").create_dir("repo");    let git_repo_work_dir = test_env.work_dir("git-repo");    let git_repo = git::init(git_repo_work_dir.root());     // Create an initial commit in Git    let tree_id = git::add_commit(        &git_repo,        "refs/heads/master",        "file",        b"contents",        "initial",        &[],    )    .tree_id;    git::checkout_tree_index(&git_repo, tree_id);    assert_eq!(git_repo_work_dir.read_file("file"), b"contents");    insta::assert_snapshot!(        git_repo.head_id().unwrap().to_string(),        @"97358f54806c7cd005ed5ade68a779595efbae7e"    );     work_dir        .run_jj([            "git",            "init",            "--git-repo",            git_repo_work_dir.root().to_str().unwrap(),        ])        .success();     let output = work_dir.run_jj(["git", "root"]);    insta::assert_snapshot!(output, @r#"    $TEST_ENV/git-repo/.git    [EOF]    "#);} #[test]fn test_git_root_simple_backend() {    let test_env = TestEnvironment::default();    test_env        .run_jj_in(".", ["debug", "init-simple", "repo"])        .success();    let work_dir = test_env.work_dir("repo");     let output = work_dir.run_jj(["git", "root"]);    insta::assert_snapshot!(output, @r#"    ------- stderr -------    Error: The repo is not backed by a Git repo    [EOF]    [exit status: 1]    "#);}