use std::process::Command;
fn main() {
let version = Command::new(if cfg!(windows) { "git.exe" } else { "git" })
.args(["describe", r"--match=v*\.*\.*"])
.output()
.ok()
.and_then(|out| {
if !out.status.success() {
return None;
}
try_parse_describe(&out.stdout)
})
.unwrap_or_else(|| env!("CARGO_PKG_VERSION").into());
println!("cargo:rustc-env=GIX_VERSION={version}");
}
fn try_parse_describe(input: &[u8]) -> Option<String> {
let input = std::str::from_utf8(input).ok()?;
let trimmed = input.trim();
(!trimmed.is_empty()).then(|| trimmed.to_owned())
}