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fix(git): respect scp-like URL for nested submodules #12359

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merged 1 commit into from
Jul 18, 2023
+17 −35
Merged

fix(git): respect scp-like URL for nested submodules #12359

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46 changes: 14 additions & 32 deletions src/cargo/sources/git/utils.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -392,13 +392,13 @@ impl<'a> GitCheckout<'a> {
///
/// [^1]: <https://git-scm.com/docs/git-submodule#Documentation/git-submodule.txt-none>
fn update_submodules(&self, cargo_config: &Config) -> CargoResult<()> {
return update_submodules(&self.repo, cargo_config, self.remote_url());
return update_submodules(&self.repo, cargo_config, self.remote_url().as_str());

/// Recusive helper for [`GitCheckout::update_submodules`].
fn update_submodules(
repo: &git2::Repository,
cargo_config: &Config,
parent_remote_url: &Url,
parent_remote_url: &str,
) -> CargoResult<()> {
debug!("update submodules for: {:?}", repo.workdir().unwrap());

Expand All @@ -420,7 +420,7 @@ impl<'a> GitCheckout<'a> {
parent: &git2::Repository,
child: &mut git2::Submodule<'_>,
cargo_config: &Config,
parent_remote_url: &Url,
parent_remote_url: &str,
) -> CargoResult<()> {
child.init(false)?;

Expand All @@ -444,30 +444,15 @@ impl<'a> GitCheckout<'a> {
// See [`git submodule add`] documentation.
//
// [`git submodule add`]: https://git-scm.com/docs/git-submodule
let child_remote_url = if child_url_str.starts_with("./")
|| child_url_str.starts_with("../")
{
let mut new_parent_remote_url = parent_remote_url.clone();

let mut new_path = Cow::from(parent_remote_url.path());
if !new_path.ends_with('/') {
new_path.to_mut().push('/');
let child_remote_url = if ["./", "../"].iter().any(|p| child_url_str.starts_with(p)) {
let mut new_remote_url = parent_remote_url.to_string();
if !new_remote_url.ends_with('/') {
new_remote_url.push('/');
}
new_parent_remote_url.set_path(&new_path);

new_parent_remote_url.join(child_url_str).with_context(|| {
format!(
"failed to parse relative child submodule url `{child_url_str}` \
using parent base url `{new_parent_remote_url}`"
)
})?
new_remote_url.push_str(child_url_str);
Cow::from(new_remote_url)
} else {
Url::parse(child_url_str).with_context(|| {
let child_module_name = child.name().unwrap_or("");
format!(
"failed to parse url for submodule `{child_module_name}`: `{child_url_str}`"
)
})?
Cow::from(child_url_str)
};

// A submodule which is listed in .gitmodules but not actually
Expand Down Expand Up @@ -502,20 +487,17 @@ impl<'a> GitCheckout<'a> {
let reference = GitReference::Rev(head.to_string());
cargo_config
.shell()
.status("Updating", format!("git submodule `{}`", child_remote_url))?;
.status("Updating", format!("git submodule `{child_remote_url}`"))?;
fetch(
&mut repo,
child_remote_url.as_str(),
&child_remote_url,
&reference,
cargo_config,
RemoteKind::GitDependency,
)
.with_context(|| {
format!(
"failed to fetch submodule `{}` from {}",
child.name().unwrap_or(""),
child_remote_url
)
let name = child.name().unwrap_or("");
format!("failed to fetch submodule `{name}` from {child_remote_url}",)
})?;

let obj = repo.find_object(head, None)?;
Expand Down
6 changes: 3 additions & 3 deletions tests/testsuite/git.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3633,7 +3633,7 @@ fn different_user_relative_submodules() {
.file("Cargo.toml", &basic_lib_manifest("dep1"))
.file("src/lib.rs", "")
});
let user2_git_project2 = git::new("user2/dep2", |project| {
let _user2_git_project2 = git::new("user2/dep2", |project| {
project
.file("Cargo.toml", &basic_lib_manifest("dep1"))
.file("src/lib.rs", "")
Expand Down Expand Up @@ -3673,14 +3673,14 @@ fn different_user_relative_submodules() {
"\
[UPDATING] git repository `{}`
[UPDATING] git submodule `{}`
[UPDATING] git submodule `{}`
[UPDATING] git submodule `{}/../dep2`
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The regression of URL display is one downside of it. However, since we drop Url::parse here so now we can have relative submodule inside a scp-like submodule. For example, this was not possible before this PR:

direct git dependency
  submodule url `[email protected]/user/repo`
     submodule url `../`

[COMPILING] dep1 v0.5.0 ({}#[..])
[COMPILING] foo v0.5.0 ([CWD])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
",
path2url(&user1_git_project.root()),
path2url(&user2_git_project.root()),
path2url(&user2_git_project2.root()),
path2url(&user2_git_project.root()),
path2url(&user1_git_project.root()),
))
.run();
Expand Down