use std::io::Write;
use std::path::Path;
use std::process::{Command, Stdio};
pub fn git(directory: &Path, args: &[&str], input: &[u8]) -> Vec<u8> {
let output = attempt(directory, args, input);
assert!(
output.status.success(),
"git {args:?}: {}",
String::from_utf8_lossy(&output.stderr)
);
output.stdout
}
pub fn attempt(directory: &Path, args: &[&str], input: &[u8]) -> std::process::Output {
let mut command = Command::new("git");
for (key, _) in std::env::vars_os() {
if key.to_string_lossy().starts_with("GIT_") {
command.env_remove(key);
}
}
let mut child = command
.current_dir(directory)
.env("GIT_CONFIG_NOSYSTEM", "1")
.env("GIT_CONFIG_GLOBAL", directory.join("absent-config"))
.env("GIT_AUTHOR_NAME", "A. Writer")
.env("GIT_AUTHOR_EMAIL", "author@example.com")
.env("GIT_AUTHOR_DATE", "@1700000000 +0530")
.env("GIT_COMMITTER_NAME", "C. Recorder")
.env("GIT_COMMITTER_EMAIL", "committer@example.com")
.env("GIT_COMMITTER_DATE", "@1700000123 -0700")
.args(args)
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.stderr(Stdio::piped())
.spawn()
.expect("Git is required for interoperability tests");
child.stdin.take().unwrap().write_all(input).unwrap();
child.wait_with_output().unwrap()
}