}

};

// Handle running from a directory other than the top level

let top_level = output(

&mut helpers::git(Some(&self.src)).args(["rev-parse", "--show-toplevel"]).command,

);

let top_level = top_level.trim_end();

let compiler = format!("{top_level}/compiler/");

let library = format!("{top_level}/library/");

// Look for a version to compare to based on the current commit.

// Only commits merged by bors will have CI artifacts.

let merge_base = output(

// Warn if there were changes to the compiler or standard library since the ancestor commit.

let has_changes = !t!(helpers::git(Some(&self.src))

.args(["diff-index", "--quiet", commit, "--", &compiler, &library])

.args(["diff-index", "--quiet", commit])

.arg("--")

.args([self.src.join("compiler"), self.src.join("library")])

.command

.status())

.success();

option_name: &str,

if_unchanged: bool,

) -> Option<String> {

// Handle running from a directory other than the top level

let top_level = output(

&mut helpers::git(Some(&self.src)).args(["rev-parse", "--show-toplevel"]).command,

);

let top_level = top_level.trim_end();

// Look for a version to compare to based on the current commit.

// Only commits merged by bors will have CI artifacts.

let merge_base = output(

let mut git = helpers::git(Some(&self.src));

git.args(["diff-index", "--quiet", commit, "--"]);

// Handle running from a directory other than the top level

let top_level = &self.src;

for path in modified_paths {

git.arg(format!("{top_level}/{path}"));

git.arg(top_level.join(path));

}

let has_changes = !t!(git.command.status()).success();