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Avoid initializing nested Git repository

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Previously a Git repository was initialized if a Cargo workspace was
detected. However, it's also possible for users to initialize rustlings
in an existing Git repository that doesn't contain a Cargo workspace. In
that case, it's still undesirable to initialize a nested Git repository
for rustlings. We therefore search all ancestors of the current working
directory for `.git` or `.jj` directories to determine if rustlings is
being initialized in an existing Git repository.
This commit is contained in:
Remo Senekowitsch 2025-09-10 18:19:41 +02:00
parent 75c06bb7f4
commit 17ff88902b
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1 changed files with 16 additions and 1 deletions
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17
src/init.rs
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@ -29,6 +29,21 @@ pub fn init() -> Result<()> {
bail!(RUSTLINGS_DIR_ALREADY_EXISTS_ERR);
}
let is_inside_vcs_repository = 'detect_repo: {
let Ok(mut dir) = std::env::current_dir() else {
break 'detect_repo false;
};
loop {
if dir.join(".git").exists() || dir.join(".jj").exists() {
break 'detect_repo true;
}
match dir.parent() {
Some(parent) => dir = parent.into(),
None => break 'detect_repo false,
}
}
};
let locate_project_output = Command::new("cargo")
.arg("locate-project")
.arg("-q")
@ -59,7 +74,7 @@ pub fn init() -> Result<()> {
}
let mut stdout = io::stdout().lock();
let mut init_git = true;
let mut init_git = !is_inside_vcs_repository;
if locate_project_output.status.success() {
if Path::new("exercises").exists() && Path::new("solutions").exists() {