use std::path::Path;
use std::process::Command;
pub fn repo_hash<P: AsRef<Path>>(path: P) -> Option<(String, String)> {
let git_path = path.as_ref().to_str();
let mut args = match git_path {
Some(path) => vec!["-C", path],
None => vec![],
};
args.extend(["log", "-1", "--format=%h_%cd", "--date=short"]);
let output = Command::new("git").args(&args).output().ok()?;
if !output.status.success() {
return None;
}
let output = String::from_utf8(output.stdout).ok()?;
let output = output.trim_end_matches('\n');
let mut s = output.split('_');
let hash = s.next()?;
let date = s.next()?;
let hash = if dirty(path) {
format!("{hash}+")
} else {
hash.into()
};
Some((hash, date.into()))
}
fn dirty<P: AsRef<Path>>(path: P) -> bool {
let path = path.as_ref().to_str();
let mut args = match path {
Some(path) => vec!["-C", path],
None => vec![],
};
args.extend(["ls-files", "-m"]);
match Command::new("git").args(&args).output() {
Ok(modified_files) => !modified_files.stdout.is_empty(),
Err(_) => false,
}
}