36 lines
1.3 KiB
Rust
36 lines
1.3 KiB
Rust
use std::{env, fs, path::Path, process::Command};
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fn command_output(command: &str, args: &[&str]) -> String {
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Command::new(command)
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.args(args)
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.output()
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.ok()
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.filter(|output| output.status.success())
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.map(|output| String::from_utf8_lossy(&output.stdout).trim().to_owned())
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.filter(|output| !output.is_empty())
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.unwrap_or_else(|| "unknown".to_owned())
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}
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fn main() {
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let out_dir = env::var_os("OUT_DIR").expect("OUT_DIR is set by Cargo");
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let version = env::var("CARGO_PKG_VERSION").unwrap_or_else(|_| "unknown".to_owned());
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let rustc = env::var("RUSTC").unwrap_or_else(|_| "rustc".to_owned());
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let rustc_version = command_output(&rustc, &["--version"]);
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let target = env::var("TARGET").unwrap_or_else(|_| "unknown".to_owned());
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println!("cargo:rustc-env=TG_BOT_RUSTC_VERSION={rustc_version}");
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println!("cargo:rustc-env=TG_BOT_TARGET={target}");
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let version_text = format!(
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"{}\nbuild-time: {}\ncommit: {}\ntarget: {}\nrustc: {}",
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version,
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command_output("date", &["-u", "+%Y-%m-%d %H:%M:%S UTC"]),
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command_output("git", &["rev-parse", "--short", "HEAD"]),
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target,
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rustc_version,
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);
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fs::write(Path::new(&out_dir).join("version.txt"), version_text)
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.expect("failed to write generated version information");
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}
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