forked from mirrors/jj
c23f1e4161
Otherwise, working-copy snapshot would be taken against wrong parent, which would cause divergence if the history was previously rewritten. Fixes #1608
217 lines
8.8 KiB
Rust
217 lines
8.8 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 std::path::Path;
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use itertools::Itertools as _;
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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_concurrent_operation_divergence() {
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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, &["describe", "-m", "message 1"]);
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test_env.jj_cmd_success(
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&repo_path,
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&["describe", "-m", "message 2", "--at-op", "@-"],
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);
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// We should be informed about the concurrent modification
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let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description"]);
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insta::assert_snapshot!(stdout, @r###"
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Concurrent modification detected, resolving automatically.
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◉ message 2
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│ @ message 1
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├─╯
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◉
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"###);
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}
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#[test]
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fn test_concurrent_operations_auto_rebase() {
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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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std::fs::write(repo_path.join("file"), "contents").unwrap();
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test_env.jj_cmd_success(&repo_path, &["describe", "-m", "initial"]);
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let stdout = test_env.jj_cmd_success(&repo_path, &["op", "log"]);
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insta::assert_snapshot!(stdout, @r###"
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@ cde29280d4a9 test-username@host.example.com 2001-02-03 04:05:08.000 +07:00 - 2001-02-03 04:05:08.000 +07:00
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│ describe commit 123ed18e4c4c0d77428df41112bc02ffc83fb935
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│ args: jj describe -m initial
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◉ 7c212e0863fd test-username@host.example.com 2001-02-03 04:05:08.000 +07:00 - 2001-02-03 04:05:08.000 +07:00
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│ snapshot working copy
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│ args: jj describe -m initial
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◉ a99a3fd5c51e test-username@host.example.com 2001-02-03 04:05:07.000 +07:00 - 2001-02-03 04:05:07.000 +07:00
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│ add workspace 'default'
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◉ 56b94dfc38e7 test-username@host.example.com 2001-02-03 04:05:07.000 +07:00 - 2001-02-03 04:05:07.000 +07:00
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initialize repo
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"###);
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let op_id_hex = stdout[3..15].to_string();
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test_env.jj_cmd_success(&repo_path, &["describe", "-m", "rewritten"]);
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test_env.jj_cmd_success(
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&repo_path,
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&["new", "--at-op", &op_id_hex, "-m", "new child"],
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);
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// We should be informed about the concurrent modification
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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Concurrent modification detected, resolving automatically.
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Rebased 1 descendant commits onto commits rewritten by other operation
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◉ 3f06323826b4a293a9ee6d24cc0e07ad2961b5d5 new child
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@ d91437157468ec86bbbc9e6a14a60d3e8d1790ac rewritten
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◉ 0000000000000000000000000000000000000000
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"###);
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}
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#[test]
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fn test_concurrent_operations_wc_modified() {
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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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std::fs::write(repo_path.join("file"), "contents\n").unwrap();
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test_env.jj_cmd_success(&repo_path, &["describe", "-m", "initial"]);
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let stdout = test_env.jj_cmd_success(&repo_path, &["op", "log"]);
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let op_id_hex = stdout[3..15].to_string();
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test_env.jj_cmd_success(
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&repo_path,
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&["new", "--at-op", &op_id_hex, "-m", "new child1"],
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);
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test_env.jj_cmd_success(
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&repo_path,
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&["new", "--at-op", &op_id_hex, "-m", "new child2"],
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);
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std::fs::write(repo_path.join("file"), "modified\n").unwrap();
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// We should be informed about the concurrent modification
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insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
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Concurrent modification detected, resolving automatically.
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@ 4eb0610031b7cd148ff9f729a673a3f815033170 new child1
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│ ◉ 4b20e61d23ee7d7c4d5e61e11e97c26e716f9c30 new child2
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├─╯
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◉ 52c893bf3cd201e215b23e084e8a871244ca14d5 initial
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◉ 0000000000000000000000000000000000000000
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"###);
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let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "--git"]);
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insta::assert_snapshot!(stdout, @r###"
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diff --git a/file b/file
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index 12f00e90b6...2e0996000b 100644
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--- a/file
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+++ b/file
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@@ -1,1 +1,1 @@
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-contents
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+modified
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"###);
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// The working copy should be committed after merging the operations
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let stdout = test_env.jj_cmd_success(&repo_path, &["op", "log", "-Tdescription"]);
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insta::assert_snapshot!(stdout, @r###"
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@ snapshot working copy
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◉ resolve concurrent operations
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├─╮
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◉ │ new empty commit
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│ ◉ new empty commit
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├─╯
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◉ describe commit cf911c223d3e24e001fc8264d6dbf0610804fc40
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◉ snapshot working copy
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◉ add workspace 'default'
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◉ initialize repo
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"###);
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}
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#[test]
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fn test_concurrent_snapshot_wc_reloadable() {
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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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let op_heads_dir = repo_path
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.join(".jj")
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.join("repo")
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.join("op_heads")
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.join("heads");
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std::fs::write(repo_path.join("base"), "").unwrap();
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test_env.jj_cmd_success(&repo_path, &["commit", "-m", "initial"]);
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// Create new commit and checkout it.
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std::fs::write(repo_path.join("child1"), "").unwrap();
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test_env.jj_cmd_success(&repo_path, &["commit", "-m", "new child1"]);
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let template = r#"id ++ "\n" ++ description ++ "\n" ++ tags"#;
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let op_log_stdout = test_env.jj_cmd_success(&repo_path, &["op", "log", "-T", template]);
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insta::assert_snapshot!(op_log_stdout, @r###"
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@ bacc8f507ccede29c282bb1459b71ffd233a9e29f4ec11b027422923592c4ef949e4465fd101c99ee6cfd39af26f29cd5910ef3b16985538e50fd21523bcf3e1
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│ commit 323b414dd255b51375d7f4392b7b2641ffe4289f
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│ args: jj commit -m 'new child1'
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◉ 6aa8b9099660e021813be72b4230692f782699448947cc76ffe5245d23108184dd60bb795fba350eb39abc2b0643169623cf59bb0c04130102388f8d87791070
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│ snapshot working copy
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│ args: jj commit -m 'new child1'
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◉ 7a31786821de03db03d5b9b7ec97454d10b90eee33844a86ebd282124c8ab43babcf79091cd1c47796ed8cc6ff23febabb35a10e0aad1f96428f958eb834b30d
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│ commit 3d918700494a9895696e955b85fa05eb0d314cc6
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│ args: jj commit -m initial
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◉ 36440b76f049c4999505fa1dd3b21bfdb1a1f93c64e04f0a3797e704145780df959afcd3babd59c536544c6e7a6b883594abe7b38e8c4be5fe6d66a3cd8f4f9d
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│ snapshot working copy
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│ args: jj commit -m initial
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◉ a99a3fd5c51e8f7ccb9ae2f9fb749612a23f0a7cf25d8c644f36c35c077449ce3c66f49d098a5a704ca5e47089a7f019563a5b8cbc7d451619e0f90c82241ceb
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│ add workspace 'default'
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◉ 56b94dfc38e7d54340377f566e96ab97dc6163ea7841daf49fb2e1d1ceb27e26274db1245835a1a421fb9d06e6e0fe1e4f4aa1b0258c6e86df676ad9111d0dab
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initialize repo
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"###);
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let op_log_lines = op_log_stdout.lines().collect_vec();
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let current_op_id = op_log_lines[0].split_once(" ").unwrap().1;
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let previous_op_id = op_log_lines[6].split_once(" ").unwrap().1;
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// Another process started from the "initial" operation, but snapshots after
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// the "child1" checkout has been completed.
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std::fs::rename(
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op_heads_dir.join(current_op_id),
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op_heads_dir.join(previous_op_id),
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)
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.unwrap();
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std::fs::write(repo_path.join("child2"), "").unwrap();
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let stdout = test_env.jj_cmd_success(&repo_path, &["describe", "-m", "new child2"]);
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insta::assert_snapshot!(stdout, @r###"
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Working copy now at: 4011424ea0a2 new child2
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Parent commit : e08863ee7a0d new child1
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"###);
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// Since the repo can be reloaded before snapshotting, "child2" should be
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// a child of "child1", not of "initial".
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let template = r#"commit_id ++ " " ++ description"#;
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let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", template, "-s"]);
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insta::assert_snapshot!(stdout, @r###"
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@ 4011424ea0a210a914f869ea3c47d76931598d1d new child2
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│ A child2
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◉ e08863ee7a0df688755d3d3126498afdf4f580ad new child1
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│ A child1
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◉ 79989e62f8331e69a803058b57bacc264405cb65 initial
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│ A base
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◉ 0000000000000000000000000000000000000000
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"###);
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}
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fn get_log_output(test_env: &TestEnvironment, cwd: &Path) -> String {
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let template = r#"commit_id ++ " " ++ description"#;
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test_env.jj_cmd_success(cwd, &["log", "-T", template])
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}
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