mirror of
https://github.com/martinvonz/jj.git
synced 2024-10-24 15:43:12 +00:00
4d42604913
We haven't used custom Git commit headers for two main reasons: 1. I don't want commits created by jj to be different from any other commits. I don't want Git projects to get annoyed by such commit and reject them. 2. I've been concerned that tools don't know how to handle such headers, perhaps even resulting in crashes. The first argument doesn't apply to commits with conflicts because such commits would never be accepted by a project whether or not they use custom commit headers. The second argument is less relevant for conflicted commits because most tools will be confused by such commits anyway. Storing conflict information in commit headers means that we can transfer them via the regular Git wire protocol. We already include the tree objects nested inside the root-level tree, so they will also be transferred. So, let's start by writing the information redundantly to the commit header and to the existing storage. That way we can roll it back if we realize there's a problem with using commit headers.
498 lines
18 KiB
Rust
498 lines
18 KiB
Rust
// Copyright 2022 The Jujutsu Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use crate::common::{escaped_fake_diff_editor_path, TestEnvironment};
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#[test]
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fn test_diffedit() {
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let mut test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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std::fs::write(repo_path.join("file1"), "a\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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std::fs::write(repo_path.join("file2"), "a\n").unwrap();
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std::fs::write(repo_path.join("file3"), "a\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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std::fs::remove_file(repo_path.join("file1")).unwrap();
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std::fs::write(repo_path.join("file2"), "b\n").unwrap();
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let edit_script = test_env.set_up_fake_diff_editor();
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// Test the setup; nothing happens if we make no changes
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std::fs::write(
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&edit_script,
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"files-before file1 file2\0files-after JJ-INSTRUCTIONS file2",
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)
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.unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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M file2
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"###);
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// Try again with ui.diff-instructions=false
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std::fs::write(&edit_script, "files-before file1 file2\0files-after file2").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(
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&repo_path,
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&["diffedit", "--config-toml=ui.diff-instructions=false"],
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);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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M file2
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"###);
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// Try again with --tool=<name>
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std::fs::write(
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&edit_script,
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"files-before file1 file2\0files-after JJ-INSTRUCTIONS file2",
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)
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.unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(
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&repo_path,
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&[
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"diffedit",
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"--config-toml=ui.diff-editor='false'",
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"--tool=fake-diff-editor",
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],
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);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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M file2
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"###);
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// Nothing happens if the diff-editor exits with an error
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std::fs::write(&edit_script, "rm file2\0fail").unwrap();
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insta::assert_snapshot!(&test_env.jj_cmd_failure(&repo_path, &["diffedit"]), @r###"
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Error: Failed to edit diff
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Caused by: Tool exited with a non-zero code (run with --debug to see the exact invocation). Exit code: 1.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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M file2
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"###);
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// Can edit changes to individual files
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std::fs::write(&edit_script, "reset file2").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Created kkmpptxz cc387f43 (no description set)
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Working copy now at: kkmpptxz cc387f43 (no description set)
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Parent commit : rlvkpnrz 613028a4 (no description set)
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Added 0 files, modified 1 files, removed 0 files
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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"###);
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// Changes to a commit are propagated to descendants
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test_env.jj_cmd_ok(&repo_path, &["undo"]);
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std::fs::write(&edit_script, "write file3\nmodified\n").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit", "-r", "@-"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Created rlvkpnrz d842b979 (no description set)
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Rebased 1 descendant commits
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Working copy now at: kkmpptxz bc2b2dd6 (no description set)
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Parent commit : rlvkpnrz d842b979 (no description set)
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Added 0 files, modified 1 files, removed 0 files
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"###);
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let contents = String::from_utf8(std::fs::read(repo_path.join("file3")).unwrap()).unwrap();
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insta::assert_snapshot!(contents, @r###"
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modified
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"###);
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// Test diffedit --from @--
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test_env.jj_cmd_ok(&repo_path, &["undo"]);
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std::fs::write(
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&edit_script,
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"files-before file1\0files-after JJ-INSTRUCTIONS file2 file3\0reset file2",
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)
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.unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit", "--from", "@--"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Created kkmpptxz d78a207f (no description set)
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Working copy now at: kkmpptxz d78a207f (no description set)
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Parent commit : rlvkpnrz 613028a4 (no description set)
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Added 0 files, modified 0 files, removed 1 files
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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D file2
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"###);
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}
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#[test]
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fn test_diffedit_new_file() {
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let mut test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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std::fs::write(repo_path.join("file1"), "a\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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std::fs::remove_file(repo_path.join("file1")).unwrap();
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std::fs::write(repo_path.join("file2"), "b\n").unwrap();
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let edit_script = test_env.set_up_fake_diff_editor();
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// Test the setup; nothing happens if we make no changes
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std::fs::write(
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&edit_script,
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"files-before file1\0files-after JJ-INSTRUCTIONS file2",
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)
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.unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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A file2
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"###);
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// Creating `file1` on the right side is noticed by `jj diffedit`
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std::fs::write(&edit_script, "write file1\nmodified\n").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Created rlvkpnrz 7b849299 (no description set)
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Working copy now at: rlvkpnrz 7b849299 (no description set)
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Parent commit : qpvuntsm 414e1614 (no description set)
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Added 1 files, modified 0 files, removed 0 files
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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M file1
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A file2
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"###);
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// Creating a file that wasn't on either side is ignored by diffedit.
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// TODO(ilyagr) We should decide whether we like this behavior.
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//
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// On one hand, it is unexpected and potentially a minor BUG. On the other
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// hand, this prevents `jj` from loading any backup files the merge tool
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// generates.
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test_env.jj_cmd_ok(&repo_path, &["undo"]);
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std::fs::write(&edit_script, "write new_file\nnew file\n").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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A file2
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"###);
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}
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#[test]
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fn test_diffedit_3pane() {
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let mut test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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std::fs::write(repo_path.join("file1"), "a\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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std::fs::write(repo_path.join("file2"), "a\n").unwrap();
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std::fs::write(repo_path.join("file3"), "a\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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std::fs::remove_file(repo_path.join("file1")).unwrap();
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std::fs::write(repo_path.join("file2"), "b\n").unwrap();
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// 2 configs for a 3-pane setup. In the first, "$right" is passed to what the
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// fake diff editor considers the "after" state.
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let config_with_right_as_after = format!(
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r#"ui.diff-editor=["{}", "$left", "$right", "--ignore=$output"]"#,
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escaped_fake_diff_editor_path()
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);
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let config_with_output_as_after = format!(
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r#"ui.diff-editor=["{}", "$left", "$output", "--ignore=$right"]"#,
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escaped_fake_diff_editor_path()
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);
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let edit_script = test_env.env_root().join("diff_edit_script");
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std::fs::write(&edit_script, "").unwrap();
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test_env.add_env_var("DIFF_EDIT_SCRIPT", edit_script.to_str().unwrap());
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// Nothing happens if we make no changes
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std::fs::write(
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&edit_script,
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"files-before file1 file2\0files-after JJ-INSTRUCTIONS file2",
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)
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.unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(
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&repo_path,
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&["diffedit", "--config-toml", &config_with_output_as_after],
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);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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M file2
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"###);
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// Nothing happens if we make no changes, `config_with_right_as_after` version
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let (stdout, stderr) = test_env.jj_cmd_ok(
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&repo_path,
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&["diffedit", "--config-toml", &config_with_right_as_after],
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);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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M file2
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"###);
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// Can edit changes to individual files
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std::fs::write(&edit_script, "reset file2").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(
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&repo_path,
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&["diffedit", "--config-toml", &config_with_output_as_after],
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);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Created kkmpptxz 1930da4a (no description set)
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Working copy now at: kkmpptxz 1930da4a (no description set)
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Parent commit : rlvkpnrz 613028a4 (no description set)
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Added 0 files, modified 1 files, removed 0 files
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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"###);
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// Can write something new to `file1`
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test_env.jj_cmd_ok(&repo_path, &["undo"]);
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std::fs::write(&edit_script, "write file1\nnew content").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(
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&repo_path,
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&["diffedit", "--config-toml", &config_with_output_as_after],
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);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Created kkmpptxz ff2907b6 (no description set)
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Working copy now at: kkmpptxz ff2907b6 (no description set)
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Parent commit : rlvkpnrz 613028a4 (no description set)
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Added 1 files, modified 0 files, removed 0 files
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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M file1
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M file2
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"###);
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// But nothing happens if we modify the right side
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test_env.jj_cmd_ok(&repo_path, &["undo"]);
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std::fs::write(&edit_script, "write file1\nnew content").unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(
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&repo_path,
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&["diffedit", "--config-toml", &config_with_right_as_after],
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);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Nothing changed.
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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M file2
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"###);
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// TODO: test with edit_script of "reset file2". This fails on right side
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// since the file is readonly.
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}
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#[test]
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fn test_diffedit_merge() {
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let mut test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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std::fs::write(repo_path.join("file1"), "a\n").unwrap();
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std::fs::write(repo_path.join("file2"), "a\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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test_env.jj_cmd_ok(&repo_path, &["branch", "create", "b"]);
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std::fs::write(repo_path.join("file1"), "b\n").unwrap();
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std::fs::write(repo_path.join("file2"), "b\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new", "@-"]);
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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std::fs::write(repo_path.join("file1"), "c\n").unwrap();
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std::fs::write(repo_path.join("file2"), "c\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new", "@", "b", "-m", "merge"]);
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// Resolve the conflict in file1, but leave the conflict in file2
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std::fs::write(repo_path.join("file1"), "d\n").unwrap();
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std::fs::write(repo_path.join("file3"), "d\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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// Test the setup
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-r", "@-", "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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M file1
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A file3
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"###);
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let edit_script = test_env.set_up_fake_diff_editor();
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// Remove file1. The conflict remains in the working copy on top of the merge.
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std::fs::write(
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edit_script,
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"files-before file1\0files-after JJ-INSTRUCTIONS file1 file3\0rm file1",
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)
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.unwrap();
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit", "-r", "@-"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Created royxmykx b90654a0 (conflict) merge
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Rebased 1 descendant commits
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Working copy now at: yqosqzyt 1de824f2 (conflict) (empty) (no description set)
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Parent commit : royxmykx b90654a0 (conflict) merge
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Added 0 files, modified 0 files, removed 1 files
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s", "-r", "@-"]);
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insta::assert_snapshot!(stdout, @r###"
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D file1
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A file3
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"###);
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assert!(!repo_path.join("file1").exists());
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2"]);
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insta::assert_snapshot!(stdout, @r###"
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<<<<<<<
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%%%%%%%
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-a
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+c
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+++++++
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b
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>>>>>>>
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"###);
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}
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#[test]
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fn test_diffedit_old_restore_interactive_tests() {
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let mut test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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|
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std::fs::write(repo_path.join("file1"), "a\n").unwrap();
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std::fs::write(repo_path.join("file2"), "a\n").unwrap();
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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std::fs::remove_file(repo_path.join("file1")).unwrap();
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std::fs::write(repo_path.join("file2"), "b\n").unwrap();
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std::fs::write(repo_path.join("file3"), "b\n").unwrap();
|
|
|
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let edit_script = test_env.set_up_fake_diff_editor();
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|
|
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// Nothing happens if we make no changes
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit", "--from", "@-"]);
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insta::assert_snapshot!(stdout, @"");
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|
insta::assert_snapshot!(stderr, @r###"
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|
Nothing changed.
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|
"###);
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|
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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|
insta::assert_snapshot!(stdout, @r###"
|
|
D file1
|
|
M file2
|
|
A file3
|
|
"###);
|
|
|
|
// Nothing happens if the diff-editor exits with an error
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|
std::fs::write(&edit_script, "rm file2\0fail").unwrap();
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|
insta::assert_snapshot!(&test_env.jj_cmd_failure(&repo_path, &["diffedit", "--from", "@-"]), @r###"
|
|
Error: Failed to edit diff
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|
Caused by: Tool exited with a non-zero code (run with --debug to see the exact invocation). Exit code: 1.
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|
"###);
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|
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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|
insta::assert_snapshot!(stdout, @r###"
|
|
D file1
|
|
M file2
|
|
A file3
|
|
"###);
|
|
|
|
// Can restore changes to individual files
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|
std::fs::write(&edit_script, "reset file2\0reset file3").unwrap();
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|
let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit", "--from", "@-"]);
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|
insta::assert_snapshot!(stdout, @"");
|
|
insta::assert_snapshot!(stderr, @r###"
|
|
Created rlvkpnrz abdbf627 (no description set)
|
|
Working copy now at: rlvkpnrz abdbf627 (no description set)
|
|
Parent commit : qpvuntsm 2375fa16 (no description set)
|
|
Added 0 files, modified 1 files, removed 1 files
|
|
"###);
|
|
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
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|
insta::assert_snapshot!(stdout, @r###"
|
|
D file1
|
|
"###);
|
|
|
|
// Can make unrelated edits
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|
test_env.jj_cmd_ok(&repo_path, &["undo"]);
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|
std::fs::write(&edit_script, "write file3\nunrelated\n").unwrap();
|
|
let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["diffedit", "--from", "@-"]);
|
|
insta::assert_snapshot!(stdout, @"");
|
|
insta::assert_snapshot!(stderr, @r###"
|
|
Created rlvkpnrz e31f7f33 (no description set)
|
|
Working copy now at: rlvkpnrz e31f7f33 (no description set)
|
|
Parent commit : qpvuntsm 2375fa16 (no description set)
|
|
Added 0 files, modified 1 files, removed 0 files
|
|
"###);
|
|
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "--git"]);
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|
insta::assert_snapshot!(stdout, @r###"
|
|
diff --git a/file1 b/file1
|
|
deleted file mode 100644
|
|
index 7898192261..0000000000
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|
--- a/file1
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|
+++ /dev/null
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|
@@ -1,1 +1,0 @@
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|
-a
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|
diff --git a/file2 b/file2
|
|
index 7898192261...6178079822 100644
|
|
--- a/file2
|
|
+++ b/file2
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|
@@ -1,1 +1,1 @@
|
|
-a
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|
+b
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|
diff --git a/file3 b/file3
|
|
new file mode 100644
|
|
index 0000000000..c21c9352f7
|
|
--- /dev/null
|
|
+++ b/file3
|
|
@@ -1,0 +1,1 @@
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|
+unrelated
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|
"###);
|
|
}
|