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git fetch: exhibit bug due to fetching references before pruning

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This commit is contained in:
Samuel Tardieu 2023-02-11 11:11:33 +01:00
parent 98261e81e2
commit b7b3314afe
1 changed files with 23 additions and 0 deletions
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23
tests/test_git_fetch.rs
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@ -125,6 +125,29 @@ fn test_git_fetch_nonexistent_remote_from_config() {
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
}
#[test]
fn test_git_fetch_prune_before_updating_tips() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
add_git_remote(&test_env, &repo_path, "origin");
test_env.jj_cmd_success(&repo_path, &["git", "fetch"]);
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
origin: 9f01a0e04879 message
"###);
// Remove origin branch in git repo and create origin/subname
let git_repo = git2::Repository::open(test_env.env_root().join("origin")).unwrap();
git_repo
.find_branch("origin", git2::BranchType::Local)
.unwrap()
.rename("origin/subname", false)
.unwrap();
// Exhibit bug: origin will prevent origin/subname from being created
let _ = test_env.jj_cmd_failure(&repo_path, &["git", "fetch"]);
}
/// Add a remote containing a branch with the same name
fn add_git_remote(test_env: &TestEnvironment, repo_path: &Path, remote: &str) {
let git_repo_path = test_env.env_root().join(remote);