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// Copyright 2023 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 std::path::Path; use crate::common::TestEnvironment; fn create_commit(    test_env: &TestEnvironment,    repo_path: &Path,    name: &str,    parents: &[&str],    files: &[(&str, &str)],) {    if parents.is_empty() {        test_env.jj_cmd_ok(repo_path, &["new", "root()", "-m", name]);    } else {        let mut args = vec!["new", "-m", name];        args.extend(parents);        test_env.jj_cmd_ok(repo_path, &args);    }    for (name, content) in files {        std::fs::write(repo_path.join(name), content).unwrap();    }    test_env.jj_cmd_ok(repo_path, &["branch", "create", name]);} fn get_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {    test_env.jj_cmd_success(repo_path, &["log", "-T", "branches"])} #[test]fn test_chmod_regular_conflict() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");     create_commit(&test_env, &repo_path, "base", &[], &[("file", "base\n")]);    create_commit(&test_env, &repo_path, "n", &["base"], &[("file", "n\n")]);    create_commit(&test_env, &repo_path, "x", &["base"], &[("file", "x\n")]);    // Test chmodding a file. The effect will be visible in the conflict below.    test_env.jj_cmd_ok(&repo_path, &["chmod", "x", "file", "-r=x"]);    create_commit(&test_env, &repo_path, "conflict", &["x", "n"], &[]);     // Test the setup    insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"    @    conflict    ├─╮    │ ◉  n    ◉ │  x    ├─╯    ◉  base    ◉    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["debug", "tree"]);    insta::assert_snapshot!(stdout,     @r###"    file: Conflicted([Some(File { id: FileId("587be6b4c3f93f93c489c0111bba5596147a26cb"), executable: true }), Some(File { id: FileId("df967b96a579e45a18b8251732d16804b2e56a55"), executable: false }), Some(File { id: FileId("8ba3a16384aacc37d01564b28401755ce8053f51"), executable: false })])    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "file"]);    insta::assert_snapshot!(stdout,     @r###"    <<<<<<<    %%%%%%%    -base    +x    +++++++    n    >>>>>>>    "###);     // Test chmodding a conflict    test_env.jj_cmd_ok(&repo_path, &["chmod", "x", "file"]);    let stdout = test_env.jj_cmd_success(&repo_path, &["debug", "tree"]);    insta::assert_snapshot!(stdout,     @r###"    file: Conflicted([Some(File { id: FileId("587be6b4c3f93f93c489c0111bba5596147a26cb"), executable: true }), Some(File { id: FileId("df967b96a579e45a18b8251732d16804b2e56a55"), executable: true }), Some(File { id: FileId("8ba3a16384aacc37d01564b28401755ce8053f51"), executable: true })])    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "file"]);    insta::assert_snapshot!(stdout,     @r###"    <<<<<<<    %%%%%%%    -base    +x    +++++++    n    >>>>>>>    "###);    test_env.jj_cmd_ok(&repo_path, &["chmod", "n", "file"]);    let stdout = test_env.jj_cmd_success(&repo_path, &["debug", "tree"]);    insta::assert_snapshot!(stdout,     @r###"    file: Conflicted([Some(File { id: FileId("587be6b4c3f93f93c489c0111bba5596147a26cb"), executable: false }), Some(File { id: FileId("df967b96a579e45a18b8251732d16804b2e56a55"), executable: false }), Some(File { id: FileId("8ba3a16384aacc37d01564b28401755ce8053f51"), executable: false })])    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "file"]);    insta::assert_snapshot!(stdout,     @r###"    <<<<<<<    %%%%%%%    -base    +x    +++++++    n    >>>>>>>    "###);     // An error prevents `chmod` from making any changes.    // In this case, the failure with `nonexistent` prevents any changes to `file`.    let stderr = test_env.jj_cmd_failure(&repo_path, &["chmod", "x", "nonexistent", "file"]);    insta::assert_snapshot!(stderr, @r###"    Error: No such path at 'nonexistent'.    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["debug", "tree"]);    insta::assert_snapshot!(stdout,     @r###"    file: Conflicted([Some(File { id: FileId("587be6b4c3f93f93c489c0111bba5596147a26cb"), executable: false }), Some(File { id: FileId("df967b96a579e45a18b8251732d16804b2e56a55"), executable: false }), Some(File { id: FileId("8ba3a16384aacc37d01564b28401755ce8053f51"), executable: false })])    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "file"]);    insta::assert_snapshot!(stdout,     @r###"    <<<<<<<    %%%%%%%    -base    +x    +++++++    n    >>>>>>>    "###);} // TODO: Test demonstrating that conflicts whose *base* is not a file are// chmod-dable #[test]fn test_chmod_file_dir_deletion_conflicts() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");     create_commit(&test_env, &repo_path, "base", &[], &[("file", "base\n")]);    create_commit(&test_env, &repo_path, "file", &["base"], &[("file", "a\n")]);     create_commit(&test_env, &repo_path, "deletion", &["base"], &[]);    std::fs::remove_file(repo_path.join("file")).unwrap();     create_commit(&test_env, &repo_path, "dir", &["base"], &[]);    std::fs::remove_file(repo_path.join("file")).unwrap();    std::fs::create_dir(repo_path.join("file")).unwrap();    // Without a placeholder file, `jj` ignores an empty directory    std::fs::write(repo_path.join("file").join("placeholder"), "").unwrap();     // Create a file-dir conflict and a file-deletion conflict    create_commit(&test_env, &repo_path, "file_dir", &["file", "dir"], &[]);    create_commit(        &test_env,        &repo_path,        "file_deletion",        &["file", "deletion"],        &[],    );    insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"    @    file_deletion    ├─╮    │ ◉  deletion    │ │ ◉  file_dir    ╭───┤    │ │ ◉  dir    │ ├─╯    ◉ │  file    ├─╯    ◉  base    ◉    "###);     // The file-dir conflict cannot be chmod-ed    let stdout = test_env.jj_cmd_success(&repo_path, &["debug", "tree", "-r=file_dir"]);    insta::assert_snapshot!(stdout,    @r###"    file: Conflicted([Some(File { id: FileId("78981922613b2afb6025042ff6bd878ac1994e85"), executable: false }), Some(File { id: FileId("df967b96a579e45a18b8251732d16804b2e56a55"), executable: false }), Some(Tree(TreeId("133bb38fc4e4bf6b551f1f04db7e48f04cac2877")))])    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "-r=file_dir", "file"]);    insta::assert_snapshot!(stdout,    @r###"    Conflict:      Removing file with id df967b96a579e45a18b8251732d16804b2e56a55      Adding file with id 78981922613b2afb6025042ff6bd878ac1994e85      Adding tree with id 133bb38fc4e4bf6b551f1f04db7e48f04cac2877    "###);    let stderr = test_env.jj_cmd_failure(&repo_path, &["chmod", "x", "file", "-r=file_dir"]);    insta::assert_snapshot!(stderr, @r###"    Error: Some of the sides of the conflict are not files at 'file'.    "###);     // The file_deletion conflict can be chmod-ed    let stdout = test_env.jj_cmd_success(&repo_path, &["debug", "tree", "-r=file_deletion"]);    insta::assert_snapshot!(stdout,    @r###"    file: Conflicted([Some(File { id: FileId("78981922613b2afb6025042ff6bd878ac1994e85"), executable: false }), Some(File { id: FileId("df967b96a579e45a18b8251732d16804b2e56a55"), executable: false }), None])    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "-r=file_deletion", "file"]);    insta::assert_snapshot!(stdout,    @r###"    <<<<<<<    +++++++    a    %%%%%%%    -base    >>>>>>>    "###);    let (stdout, stderr) =        test_env.jj_cmd_ok(&repo_path, &["chmod", "x", "file", "-r=file_deletion"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    New conflicts appeared in these commits:      kmkuslsw 4cc432b5 file_deletion | (conflict) file_deletion    To resolve the conflicts, start by updating to it:      jj new kmkuslswpqwq    Then use `jj resolve`, or edit the conflict markers in the file directly.    Once the conflicts are resolved, you may want inspect the result with `jj diff`.    Then run `jj squash` to move the resolution into the conflicted commit.    Working copy now at: kmkuslsw 4cc432b5 file_deletion | (conflict) file_deletion    Parent commit      : zsuskuln c51c9c55 file | file    Parent commit      : royxmykx 6b18b3c1 deletion | deletion    Added 0 files, modified 1 files, removed 0 files    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["debug", "tree", "-r=file_deletion"]);    insta::assert_snapshot!(stdout,    @r###"    file: Conflicted([Some(File { id: FileId("78981922613b2afb6025042ff6bd878ac1994e85"), executable: true }), Some(File { id: FileId("df967b96a579e45a18b8251732d16804b2e56a55"), executable: true }), None])    "###);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "-r=file_deletion", "file"]);    insta::assert_snapshot!(stdout,    @r###"    <<<<<<<    +++++++    a    %%%%%%%    -base    >>>>>>>    "###);}