mirror of
https://github.com/martinvonz/jj.git
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4834d12c37
This is breaking change. Old jj binary will panic if it sees a view saved by new jj. Alternatively, we can store both new and legacy data for backward compatibility.
216 lines
8.8 KiB
Rust
216 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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@ cfc96ff553b9 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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◉ 65a6c90b9544 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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◉ 19b8089fc78b 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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◉ f1c462c494be 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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@ 9be517934aaabc351597e88ed4119aa9454ae3588ab7f28646a810272c82f3dafb1deb20b3c978dbb58ba9abc8f08fe870fe3c7ce5f682411991e83eee40a77f
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│ commit 323b414dd255b51375d7f4392b7b2641ffe4289f
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│ args: jj commit -m 'new child1'
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◉ d967c09eb12b38dad2065a0bc9e251824247f9f84ba406a7356f5405e4c93c21562178a3f00cafedfa1df1435ba496265f39da9d1ccebaccb78bdcb4bd7031e1
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│ snapshot working copy
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│ args: jj commit -m 'new child1'
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◉ b6d168ba4fb4534257b6e58d53eb407582567342358eab07cf5a01a7e4d797313b692f27664c2fb7935b2380d398d0298233c9732f821b8c687e35607ea08a55
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│ commit 3d918700494a9895696e955b85fa05eb0d314cc6
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│ args: jj commit -m initial
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◉ 5e9e3f82fc14750ff985c5a39f1935ed8876b973b8800b56bc03d1c9754795e724956d862d1fcb2c533d06ca36abc9fa9f7cb7d3b2b64e993e9a87f80d5af670
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│ snapshot working copy
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│ args: jj commit -m initial
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◉ 19b8089fc78b7c49171f3c8934248be6f89f52311005e961cab5780f9f138b142456d77b27d223d7ee84d21d8c30c4a80100eaf6735b548b1acd0da688f94c80
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│ add workspace 'default'
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◉ f1c462c494be39f6690928603c5393f908866bc8d81d8cd1ae0bb2ea02cb4f78cafa47165fa5b7cda258e2178f846881de199066991960a80954ba6066ba0821
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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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