// Copyright 2024 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 crate::common::CommandOutput;use crate::common::TestEnvironment;use crate::common::TestWorkDir;use crate::common::create_commit_with_files; #[test]fn test_backout() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     create_commit_with_files(&work_dir, "a", &[], &[("a", "a\n")]);    // Test the setup    insta::assert_snapshot!(get_log_output(&work_dir), @r"    @  7d980be7a1d4 a    ◆  000000000000    [EOF]    ");    let output = work_dir.run_jj(["diff", "-s"]);    insta::assert_snapshot!(output, @r"    A a    [EOF]    ");     // Backout the commit    let output = work_dir.run_jj(["backout", "-r", "@"]);    insta::assert_snapshot!(output, @r"    ------- stderr -------    Warning: `jj backout` is deprecated; use `jj revert` instead    Warning: `jj backout` will be removed in a future version, and this will be a hard error    [EOF]    ");    insta::assert_snapshot!(get_log_output(&work_dir), @r#"    ○  b8c8e82a19bc Back out "a"    │    │  This backs out commit 7d980be7a1d499e4d316ab4c01242885032f7eaf.    @  7d980be7a1d4 a    ◆  000000000000    [EOF]    "#);    let output = work_dir.run_jj(["diff", "-s", "-r", "@+"]);    insta::assert_snapshot!(output, @r"    D a    [EOF]    ");     // Backout the new backed-out commit    work_dir.run_jj(["edit", "@+"]).success();    let output = work_dir.run_jj(["backout", "-r", "@"]);    insta::assert_snapshot!(output, @r"    ------- stderr -------    Warning: `jj backout` is deprecated; use `jj revert` instead    Warning: `jj backout` will be removed in a future version, and this will be a hard error    [EOF]    ");    insta::assert_snapshot!(get_log_output(&work_dir), @r#"    ○  812d823be175 Back out "Back out "a""    │    │  This backs out commit b8c8e82a19bcf6217e065d1aff9a5f0ba807b565.    @  b8c8e82a19bc Back out "a"    │    │  This backs out commit 7d980be7a1d499e4d316ab4c01242885032f7eaf.    ○  7d980be7a1d4 a    ◆  000000000000    [EOF]    "#);    let output = work_dir.run_jj(["diff", "-s", "-r", "@+"]);    insta::assert_snapshot!(output, @r"    A a    [EOF]    ");} #[test]fn test_backout_multiple() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     create_commit_with_files(&work_dir, "a", &[], &[("a", "a\n")]);    create_commit_with_files(&work_dir, "b", &["a"], &[("a", "a\nb\n")]);    create_commit_with_files(&work_dir, "c", &["b"], &[("a", "a\nb\n"), ("b", "b\n")]);    create_commit_with_files(&work_dir, "d", &["c"], &[]);    create_commit_with_files(&work_dir, "e", &["d"], &[("a", "a\nb\nc\n")]);     // Test the setup    insta::assert_snapshot!(get_log_output(&work_dir), @r"    @  51a01d6d8cc4 e    ○  4b9d123d3b33 d    ○  05e1f540476f c    ○  f93a910dbdf0 b    ○  7d980be7a1d4 a    ◆  000000000000    [EOF]    ");     // Backout multiple commits    let output = work_dir.run_jj(["backout", "-r", "b", "-r", "c", "-r", "e"]);    insta::assert_snapshot!(output, @r"    ------- stderr -------    Warning: `jj backout` is deprecated; use `jj revert` instead    Warning: `jj backout` will be removed in a future version, and this will be a hard error    [EOF]    ");    insta::assert_snapshot!(get_log_output(&work_dir), @r#"    ○  036128aa5f6e Back out "b"    │    │  This backs out commit f93a910dbdf0f841e6cf2bc0ab0ba4c336d6f436.    ○  156974608bed Back out "c"    │    │  This backs out commit 05e1f540476f8c4207ff44febbe2ce6e6696dc4b.    ○  3f72017241e0 Back out "e"    │    │  This backs out commit 51a01d6d8cc48a296cb87f8383b34ade3c050363.    @  51a01d6d8cc4 e    ○  4b9d123d3b33 d    ○  05e1f540476f c    ○  f93a910dbdf0 b    ○  7d980be7a1d4 a    ◆  000000000000    [EOF]    "#);    // View the output of each backed out commit    let output = work_dir.run_jj(["show", "@+"]);    insta::assert_snapshot!(output, @r#"    Commit ID: 3f72017241e0a32ab837ae929061cdc05ff04f5b    Change ID: wqnwkozpkustnxypnnntnykwrqrkrpvv    Author   : Test User <test.user@example.com> (2001-02-03 08:05:19)    Committer: Test User <test.user@example.com> (2001-02-03 08:05:19)         Back out "e"         This backs out commit 51a01d6d8cc48a296cb87f8383b34ade3c050363.     Modified regular file a:       1    1: a       2    2: b       3     : c    [EOF]    "#);    let output = work_dir.run_jj(["show", "@++"]);    insta::assert_snapshot!(output, @r#"    Commit ID: 156974608bed539fb98d89c1f6995d962123cdbd    Change ID: mouksmquosnpvwqrpsvvxtxpywpnxlss    Author   : Test User <test.user@example.com> (2001-02-03 08:05:19)    Committer: Test User <test.user@example.com> (2001-02-03 08:05:19)         Back out "c"         This backs out commit 05e1f540476f8c4207ff44febbe2ce6e6696dc4b.     Removed regular file b:       1     : b    [EOF]    "#);    let output = work_dir.run_jj(["show", "@+++"]);    insta::assert_snapshot!(output, @r#"    Commit ID: 036128aa5f6eb3770cc8284c0dbe198b2c9a5f62    Change ID: tqvpomtpwrqsylrpsxknultrymmqxmxv    Author   : Test User <test.user@example.com> (2001-02-03 08:05:19)    Committer: Test User <test.user@example.com> (2001-02-03 08:05:19)         Back out "b"         This backs out commit f93a910dbdf0f841e6cf2bc0ab0ba4c336d6f436.     Modified regular file a:       1    1: a       2     : b    [EOF]    "#);} #[test]fn test_backout_description_template() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    test_env.add_config(        r#"        [templates]        backout_description = '''        separate(" ",          "Revert commit",          commit_id.short(),          '"' ++ description.first_line() ++ '"',        )        '''        "#,    );    let work_dir = test_env.work_dir("repo");    create_commit_with_files(&work_dir, "a", &[], &[("a", "a\n")]);     // Test the setup    insta::assert_snapshot!(get_log_output(&work_dir), @r"    @  7d980be7a1d4 a    ◆  000000000000    [EOF]    ");    let output = work_dir.run_jj(["diff", "-s"]);    insta::assert_snapshot!(output, @r"    A a    [EOF]    ");     // Verify that message of backed out commit follows the template    let output = work_dir.run_jj(["backout", "-r", "a"]);    insta::assert_snapshot!(output, @r"    ------- stderr -------    Warning: `jj backout` is deprecated; use `jj revert` instead    Warning: `jj backout` will be removed in a future version, and this will be a hard error    [EOF]    ");    insta::assert_snapshot!(get_log_output(&work_dir), @r#"    ○  6bfb98a33f58 Revert commit 7d980be7a1d4 "a"    @  7d980be7a1d4 a    ◆  000000000000    [EOF]    "#);} #[must_use]fn get_log_output(work_dir: &TestWorkDir) -> CommandOutput {    let template = r#"commit_id.short() ++ " " ++ description"#;    work_dir.run_jj(["log", "-T", template])}