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commands: Support the option of colocating a git repo with a jj repo
This adds the new --colocate flag to `jj git clone`. ``` jj git clone --colocate https://github.com/foo/bar ``` is effectively equivalent to: ``` git clone https://github.com/foo/bar cd bar jj init --git-repo=. ```
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Original file line number | Diff line number | Diff line change |
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@@ -29,7 +29,7 @@ fn test_git_clone() { | |
Nothing changed. | ||
"###); | ||
|
||
// Clone a non-empty repo | ||
// Set-up a non-empty repo | ||
let signature = | ||
git2::Signature::new("Some One", "[email protected]", &git2::Time::new(0, 0)).unwrap(); | ||
let mut tree_builder = git_repo.treebuilder(None).unwrap(); | ||
|
@@ -87,3 +87,109 @@ fn test_git_clone() { | |
Error: Destination path exists and is not an empty directory | ||
"###); | ||
} | ||
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||
#[test] | ||
fn test_git_clone_colocate() { | ||
let test_env = TestEnvironment::default(); | ||
let git_repo_path = test_env.env_root().join("source"); | ||
let git_repo = git2::Repository::init(git_repo_path).unwrap(); | ||
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||
// Clone an empty repo | ||
let stdout = test_env.jj_cmd_success( | ||
test_env.env_root(), | ||
&["git", "clone", "source", "empty", "--colocate"], | ||
); | ||
insta::assert_snapshot!(stdout, @r###" | ||
Fetching into new repo in "$TEST_ENV/empty" | ||
Nothing changed. | ||
"###); | ||
|
||
// Set-up a non-empty repo | ||
let signature = | ||
git2::Signature::new("Some One", "[email protected]", &git2::Time::new(0, 0)).unwrap(); | ||
let mut tree_builder = git_repo.treebuilder(None).unwrap(); | ||
let file_oid = git_repo.blob(b"content").unwrap(); | ||
tree_builder | ||
.insert("file", file_oid, git2::FileMode::Blob.into()) | ||
.unwrap(); | ||
let tree_oid = tree_builder.write().unwrap(); | ||
let tree = git_repo.find_tree(tree_oid).unwrap(); | ||
git_repo | ||
.commit( | ||
Some("refs/heads/main"), | ||
&signature, | ||
&signature, | ||
"message", | ||
&tree, | ||
&[], | ||
) | ||
.unwrap(); | ||
git_repo.set_head("refs/heads/main").unwrap(); | ||
|
||
// Clone with relative source path | ||
let stdout = test_env.jj_cmd_success( | ||
test_env.env_root(), | ||
&["git", "clone", "source", "clone", "--colocate"], | ||
); | ||
insta::assert_snapshot!(stdout, @r###" | ||
Fetching into new repo in "$TEST_ENV/clone" | ||
Working copy now at: 1f0b881a057d (no description set) | ||
Parent commit : 9f01a0e04879 message | ||
Added 1 files, modified 0 files, removed 0 files | ||
"###); | ||
assert!(test_env.env_root().join("clone").join("file").exists()); | ||
assert!(test_env.env_root().join("clone").join(".git").exists()); | ||
|
||
eprintln!( | ||
"{:?}", | ||
git_repo.head().expect("Repo head should be set").name() | ||
); | ||
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||
let jj_git_repo = git2::Repository::open(test_env.env_root().join("clone")) | ||
.expect("Could not open clone repo"); | ||
assert_eq!( | ||
jj_git_repo | ||
.head() | ||
.expect("Clone Repo HEAD should be set.") | ||
.symbolic_target(), | ||
git_repo | ||
.head() | ||
.expect("Repo HEAD should be set.") | ||
.symbolic_target() | ||
); | ||
|
||
// Subsequent fetch should just work even if the source path was relative | ||
let stdout = test_env.jj_cmd_success(&test_env.env_root().join("clone"), &["git", "fetch"]); | ||
insta::assert_snapshot!(stdout, @r###" | ||
Nothing changed. | ||
"###); | ||
|
||
// Try cloning into an existing workspace | ||
let stderr = test_env.jj_cmd_failure( | ||
test_env.env_root(), | ||
&["git", "clone", "source", "clone", "--colocate"], | ||
); | ||
insta::assert_snapshot!(stderr, @r###" | ||
Error: Destination path exists and is not an empty directory | ||
"###); | ||
|
||
// Try cloning into an existing file | ||
std::fs::write(test_env.env_root().join("file"), "contents").unwrap(); | ||
let stderr = test_env.jj_cmd_failure( | ||
test_env.env_root(), | ||
&["git", "clone", "source", "file", "--colocate"], | ||
); | ||
insta::assert_snapshot!(stderr, @r###" | ||
Error: Destination path exists and is not an empty directory | ||
"###); | ||
|
||
// Try cloning into non-empty, non-workspace directory | ||
std::fs::remove_dir_all(test_env.env_root().join("clone").join(".jj")).unwrap(); | ||
let stderr = test_env.jj_cmd_failure( | ||
test_env.env_root(), | ||
&["git", "clone", "source", "clone", "--colocate"], | ||
); | ||
insta::assert_snapshot!(stderr, @r###" | ||
Error: Destination path exists and is not an empty directory | ||
"###); | ||
} |