use std::process::Command; | |
fn main() { | |
let rev = Command::new("git") | |
.arg("rev-parse") | |
.arg("HEAD") | |
.output() | |
.ok() | |
.map(|s| s.stdout) | |
.and_then(|s| String::from_utf8(s).ok()); | |
if let Some(rev) = rev { | |
if rev.len() >= 9 { | |
println!("cargo:rustc-env=WBG_VERSION={}", &rev[..9]); | |
} | |
} | |
} |