mtui 0.9.6

An extensive Modbus client for your terminal.
Documentation 
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use std::process::Command;

fn main() {
    let hash = Command::new("git")
        .args(["rev-parse", "--short", "HEAD"])
        .output()
        .ok()
        .filter(|output| output.status.success())
        .and_then(|output| String::from_utf8(output.stdout).ok())
        .map(|hash| hash.trim().to_string())
        .filter(|hash| !hash.is_empty())
        .unwrap_or_else(|| "unknown".to_string());

    println!("cargo:rustc-env=MTUI_GIT_HASH={hash}");

    println!("cargo:rerun-if-changed=.git/HEAD");
    if let Ok(head) = std::fs::read_to_string(".git/HEAD") {
        if let Some(reference) = head.strip_prefix("ref:").map(str::trim) {
            println!("cargo:rerun-if-changed=.git/{reference}");
        }
    }
}