use { regex::{Captures, Regex}, std::{fs, process::Command, str}, }; fn author(pr: u64) -> String { eprintln!("#{}", pr); let output = Command::new("sh") .args(&[ "-c", &format!("gh pr view {} --json author | jq -r .author.login", pr), ]) .output() .unwrap(); assert!( output.status.success(), "{}", String::from_utf8_lossy(&output.stderr) ); str::from_utf8(&output.stdout).unwrap().trim().to_owned() } fn main() { let mut done = false; fs::write( "CHANGELOG.md", &*Regex::new(r"\(#(\d+)( by @[a-z]+)?\)") .unwrap() .replace_all( &fs::read_to_string("CHANGELOG.md").unwrap(), |captures: &Captures| { if captures.get(2).is_some() { done = true; } if done { captures[0].to_owned() } else { let pr = captures[1].parse().unwrap(); match author(pr).as_str() { "casey" => format!("(#{})", pr), contributor => format!("(#{} by @{})", pr, contributor), } } }, ), ) .unwrap(); }