mirror of
https://github.com/martinvonz/jj.git
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286 lines
10 KiB
Rust
286 lines
10 KiB
Rust
// Copyright 2022 Google LLC
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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 std::path::Path;
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use crate::common::TestEnvironment;
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pub mod common;
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#[test]
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fn test_unsquash() {
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let test_env = TestEnvironment::default();
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test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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test_env.jj_cmd_success(&repo_path, &["branch", "create", "a"]);
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std::fs::write(repo_path.join("file1"), "a\n").unwrap();
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test_env.jj_cmd_success(&repo_path, &["new"]);
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test_env.jj_cmd_success(&repo_path, &["branch", "create", "b"]);
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std::fs::write(repo_path.join("file1"), "b\n").unwrap();
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test_env.jj_cmd_success(&repo_path, &["new"]);
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test_env.jj_cmd_success(&repo_path, &["branch", "create", "c"]);
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std::fs::write(repo_path.join("file1"), "c\n").unwrap();
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// Test the setup
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ 90fe0a96fc90 c
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o fa5efbdf533c b
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o 90aeefd03044 a
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o 000000000000
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"###);
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// Unsquashes into the working copy from its parent by default
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let stdout = test_env.jj_cmd_success(&repo_path, &["unsquash"]);
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insta::assert_snapshot!(stdout, @r###"
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Working copy now at: 1b10d78f6136 (no description set)
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"###);
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ 1b10d78f6136 c
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o 90aeefd03044 a b
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o 000000000000
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1"]);
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insta::assert_snapshot!(stdout, @r###"
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c
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"###);
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// Can unsquash into a given commit from its parent
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test_env.jj_cmd_success(&repo_path, &["undo"]);
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let stdout = test_env.jj_cmd_success(&repo_path, &["unsquash", "-r", "b"]);
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insta::assert_snapshot!(stdout, @r###"
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Rebased 1 descendant commits
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Working copy now at: 45b8b3ddc25a (no description set)
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"###);
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ 45b8b3ddc25a c
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o 9146bcc8d996 b
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o 000000000000 a
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "b"]);
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insta::assert_snapshot!(stdout, @r###"
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b
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1"]);
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insta::assert_snapshot!(stdout, @r###"
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c
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"###);
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// Cannot unsquash into a merge commit (because it's unclear which parent it
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// should come from)
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test_env.jj_cmd_success(&repo_path, &["undo"]);
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test_env.jj_cmd_success(&repo_path, &["edit", "b"]);
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test_env.jj_cmd_success(&repo_path, &["new"]);
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test_env.jj_cmd_success(&repo_path, &["branch", "create", "d"]);
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std::fs::write(repo_path.join("file2"), "d\n").unwrap();
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test_env.jj_cmd_success(&repo_path, &["new", "-m", "merge", "c", "d"]);
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test_env.jj_cmd_success(&repo_path, &["branch", "create", "e"]);
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ 7789610d8ec6 e
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o | 5658521e0f8b d
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| o 90fe0a96fc90 c
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|/
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o fa5efbdf533c b
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o 90aeefd03044 a
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o 000000000000
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"###);
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let stderr = test_env.jj_cmd_failure(&repo_path, &["unsquash"]);
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insta::assert_snapshot!(stderr, @r###"
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Error: Cannot unsquash merge commits
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"###);
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// Can unsquash from a merge commit
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test_env.jj_cmd_success(&repo_path, &["co", "e"]);
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std::fs::write(repo_path.join("file1"), "e\n").unwrap();
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let stdout = test_env.jj_cmd_success(&repo_path, &["unsquash"]);
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insta::assert_snapshot!(stdout, @r###"
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Working copy now at: 0aabd9784f4d merge
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"###);
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ 0aabd9784f4d
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o | 5658521e0f8b d e?
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| o 90fe0a96fc90 c e?
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|/
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o fa5efbdf533c b
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o 90aeefd03044 a
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o 000000000000
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1"]);
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insta::assert_snapshot!(stdout, @r###"
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e
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"###);
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}
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#[test]
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fn test_unsquash_partial() {
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let mut test_env = TestEnvironment::default();
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test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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test_env.jj_cmd_success(&repo_path, &["branch", "create", "a"]);
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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_success(&repo_path, &["new"]);
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test_env.jj_cmd_success(&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_success(&repo_path, &["new"]);
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test_env.jj_cmd_success(&repo_path, &["branch", "create", "c"]);
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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 the setup
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ d989314f3df0 c
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o 2a2d19a3283f b
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o 47a1e795d146 a
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o 000000000000
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"###);
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// If we don't make any changes in the diff-editor, the whole change is moved
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// from the parent
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let edit_script = test_env.set_up_fake_diff_editor();
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std::fs::write(&edit_script, "").unwrap();
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let stdout = test_env.jj_cmd_success(&repo_path, &["unsquash", "-r", "b", "-i"]);
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insta::assert_snapshot!(stdout, @r###"
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Rebased 1 descendant commits
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Working copy now at: 37c961d0d1e2 (no description set)
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"###);
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ 37c961d0d1e2 c
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o 000af22057b9 b
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o ee67504598b6 a
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o 000000000000
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "a"]);
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insta::assert_snapshot!(stdout, @r###"
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a
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"###);
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// Can unsquash only some changes in interactive mode
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test_env.jj_cmd_success(&repo_path, &["undo"]);
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std::fs::write(&edit_script, "reset file1").unwrap();
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let stdout = test_env.jj_cmd_success(&repo_path, &["unsquash", "-i"]);
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insta::assert_snapshot!(stdout, @r###"
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Working copy now at: a8e8fded1021 (no description set)
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"###);
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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@ a8e8fded1021 c
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o 46cc06672a99 b
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o 47a1e795d146 a
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o 000000000000
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "b"]);
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insta::assert_snapshot!(stdout, @r###"
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a
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2", "-r", "b"]);
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insta::assert_snapshot!(stdout, @r###"
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b
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "c"]);
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insta::assert_snapshot!(stdout, @r###"
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c
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2", "-r", "c"]);
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insta::assert_snapshot!(stdout, @r###"
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c
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"###);
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}
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fn get_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
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test_env.jj_cmd_success(
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repo_path,
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&["log", "-T", r#"commit_id.short() " " branches"#],
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)
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}
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#[test]
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fn test_unsquash_description() {
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let mut test_env = TestEnvironment::default();
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test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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let edit_script = test_env.set_up_fake_editor();
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std::fs::write(&edit_script, r#""#).unwrap();
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// If both descriptions are empty, the resulting description is empty
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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_success(&repo_path, &["new"]);
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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_success(&repo_path, &["unsquash"]);
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insta::assert_snapshot!(get_description(&test_env, &repo_path, "@"), @r###"
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(no description set)
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"###);
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// If the destination's description is empty and the source's description is
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// non-empty, the resulting description is from the source
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test_env.jj_cmd_success(&repo_path, &["undo"]);
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test_env.jj_cmd_success(&repo_path, &["describe", "@-", "-m", "source"]);
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test_env.jj_cmd_success(&repo_path, &["unsquash"]);
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insta::assert_snapshot!(get_description(&test_env, &repo_path, "@"), @r###"
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source
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"###);
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// If the destination description is non-empty and the source's description is
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// empty, the resulting description is from the destination
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test_env.jj_cmd_success(&repo_path, &["undo"]);
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test_env.jj_cmd_success(&repo_path, &["describe", "-m", "destination"]);
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test_env.jj_cmd_success(&repo_path, &["unsquash"]);
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insta::assert_snapshot!(get_description(&test_env, &repo_path, "@"), @r###"
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destination
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source
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"###);
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// If both descriptions were non-empty, we get asked for a combined description
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test_env.jj_cmd_success(&repo_path, &["undo"]);
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test_env.jj_cmd_success(&repo_path, &["describe", "@-", "-m", "source"]);
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std::fs::write(
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&edit_script,
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r#"expect
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JJ: Enter a description for the combined commit.
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JJ: Description from the destination commit:
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destination
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JJ: Description from the source commit:
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source
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JJ: Lines starting with "JJ: " (like this one) will be removed.
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"#,
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)
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.unwrap();
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test_env.jj_cmd_success(&repo_path, &["unsquash"]);
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insta::assert_snapshot!(get_description(&test_env, &repo_path, "@"), @r###"
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destination
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source
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"###);
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// If the source's *content* doesn't become empty, then the source remains and
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// both descriptions are unchanged
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test_env.jj_cmd_success(&repo_path, &["undo"]);
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insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
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source
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"###);
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insta::assert_snapshot!(get_description(&test_env, &repo_path, "@"), @r###"
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destination
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"###);
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}
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fn get_description(test_env: &TestEnvironment, repo_path: &Path, rev: &str) -> String {
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test_env.jj_cmd_success(
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repo_path,
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&["log", "--no-graph", "-T", "description", "-r", rev],
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)
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}
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