mirror of
https://github.com/martinvonz/jj.git
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108c38d816
Now that we rebase descendants and remove old heads as appropriate (without using evolution), we don't need to create pruned commits anymore.
129 lines
5.6 KiB
Rust
129 lines
5.6 KiB
Rust
// Copyright 2020 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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#![feature(assert_matches)]
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use jujutsu_lib::commit::Commit;
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use jujutsu_lib::commit_builder::CommitBuilder;
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use jujutsu_lib::repo::ReadonlyRepo;
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use jujutsu_lib::settings::UserSettings;
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use jujutsu_lib::testutils;
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use test_case::test_case;
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#[must_use]
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fn child_commit(settings: &UserSettings, repo: &ReadonlyRepo, commit: &Commit) -> CommitBuilder {
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testutils::create_random_commit(settings, repo).set_parents(vec![commit.id().clone()])
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}
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#[test_case(false ; "local backend")]
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#[test_case(true ; "git backend")]
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fn test_obsolete_and_orphan(use_git: bool) {
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let settings = testutils::user_settings();
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let (_temp_dir, repo) = testutils::init_repo(&settings, use_git);
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let root_commit = repo.store().root_commit();
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let mut tx = repo.start_transaction("test");
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let mut_repo = tx.mut_repo();
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// A commit without successors should not be obsolete and not an orphan.
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let original = child_commit(&settings, &repo, &root_commit).write_to_repo(mut_repo);
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assert!(!mut_repo.evolution().is_obsolete(original.id()));
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assert!(!mut_repo.evolution().is_orphan(original.id()));
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// A commit with a successor with a different change_id should not be obsolete.
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let child = child_commit(&settings, &repo, &original).write_to_repo(mut_repo);
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let grandchild = child_commit(&settings, &repo, &child).write_to_repo(mut_repo);
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let cherry_picked = child_commit(&settings, &repo, &root_commit)
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.set_predecessors(vec![original.id().clone()])
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.write_to_repo(mut_repo);
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assert!(!mut_repo.evolution().is_obsolete(original.id()));
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assert!(!mut_repo.evolution().is_orphan(original.id()));
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assert!(!mut_repo.evolution().is_obsolete(child.id()));
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assert!(!mut_repo.evolution().is_orphan(child.id()));
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// A commit with a successor with the same change_id should be obsolete.
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let rewritten = child_commit(&settings, &repo, &root_commit)
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.set_predecessors(vec![original.id().clone()])
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.set_change_id(original.change_id().clone())
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.write_to_repo(mut_repo);
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assert!(mut_repo.evolution().is_obsolete(original.id()));
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assert!(!mut_repo.evolution().is_obsolete(child.id()));
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assert!(mut_repo.evolution().is_orphan(child.id()));
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assert!(mut_repo.evolution().is_orphan(grandchild.id()));
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assert!(!mut_repo.evolution().is_obsolete(cherry_picked.id()));
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assert!(!mut_repo.evolution().is_orphan(cherry_picked.id()));
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assert!(!mut_repo.evolution().is_obsolete(rewritten.id()));
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assert!(!mut_repo.evolution().is_orphan(rewritten.id()));
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// It should no longer be obsolete if we remove the successor.
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mut_repo.remove_head(rewritten.id());
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assert!(!mut_repo.evolution().is_obsolete(original.id()));
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assert!(!mut_repo.evolution().is_orphan(child.id()));
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assert!(!mut_repo.evolution().is_orphan(grandchild.id()));
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tx.discard();
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}
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#[test_case(false ; "local backend")]
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#[test_case(true ; "git backend")]
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fn test_divergent(use_git: bool) {
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let settings = testutils::user_settings();
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let (_temp_dir, repo) = testutils::init_repo(&settings, use_git);
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let root_commit = repo.store().root_commit();
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let mut tx = repo.start_transaction("test");
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let mut_repo = tx.mut_repo();
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// A single commit should not be divergent
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let original = child_commit(&settings, &repo, &root_commit).write_to_repo(mut_repo);
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assert!(!mut_repo.evolution().is_divergent(original.change_id()));
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// Commits with the same change id are divergent, including the original commit
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// (it's the change that's divergent)
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child_commit(&settings, &repo, &root_commit)
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.set_predecessors(vec![original.id().clone()])
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.set_change_id(original.change_id().clone())
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.write_to_repo(mut_repo);
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child_commit(&settings, &repo, &root_commit)
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.set_predecessors(vec![original.id().clone()])
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.set_change_id(original.change_id().clone())
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.write_to_repo(mut_repo);
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assert!(mut_repo.evolution().is_divergent(original.change_id()));
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tx.discard();
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}
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#[test_case(false ; "local backend")]
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#[test_case(true ; "git backend")]
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fn test_divergent_duplicate(use_git: bool) {
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let settings = testutils::user_settings();
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let (_temp_dir, repo) = testutils::init_repo(&settings, use_git);
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let root_commit = repo.store().root_commit();
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let mut tx = repo.start_transaction("test");
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let mut_repo = tx.mut_repo();
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// Successors with different change id are not divergent
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let original = child_commit(&settings, &repo, &root_commit).write_to_repo(mut_repo);
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let cherry_picked1 = child_commit(&settings, &repo, &root_commit)
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.set_predecessors(vec![original.id().clone()])
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.write_to_repo(mut_repo);
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let cherry_picked2 = child_commit(&settings, &repo, &root_commit)
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.set_predecessors(vec![original.id().clone()])
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.write_to_repo(mut_repo);
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assert!(!mut_repo.evolution().is_divergent(original.change_id()));
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assert!(!mut_repo
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.evolution()
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.is_divergent(cherry_picked1.change_id()));
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assert!(!mut_repo
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.evolution()
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.is_divergent(cherry_picked2.change_id()));
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tx.discard();
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}
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