openpol 0.3.0

OpenPol
Documentation 
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use std::process::Command;

fn main() -> Result<(), String> {
    let output = Command::new("git")
        .args(&["describe", "--dirty"])
        .output()
        .map_err(|e| e.to_string())?;
    let git_description = String::from_utf8(output.stdout).map_err(|e| e.to_string())?;
    println!("cargo:rustc-env=GIT_DESCRIPTION={}", git_description);
    Ok(())
}