mirror of
https://github.com/uutils/coreutils
synced 2024-12-14 15:22:38 +00:00
77 lines
2.9 KiB
Rust
77 lines
2.9 KiB
Rust
use std::env;
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use std::fs::File;
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use std::io::Write;
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use std::path::Path;
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pub fn main() {
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if let Ok(profile) = env::var("PROFILE") {
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println!("cargo:rustc-cfg=build={:?}", profile);
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}
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let feature_prefix = "CARGO_FEATURE_";
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let out_dir = env::var("OUT_DIR").unwrap();
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let mut crates = Vec::new();
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for (key, val) in env::vars() {
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if val == "1" && key.starts_with(feature_prefix) {
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let krate = key[feature_prefix.len()..].to_lowercase();
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match krate.as_ref() {
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"default" | "unix" | "redox" | "redox_generic" | "fuchsia" | "generic" | "windows" | "windows_legacy"
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| "nightly" | "test_unimplemented" => continue,
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_ => {}
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}
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crates.push(krate.to_string());
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}
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}
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crates.sort();
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let mut cf = File::create(Path::new(&out_dir).join("uutils_crates.rs")).unwrap();
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let mut mf = File::create(Path::new(&out_dir).join("uutils_map.rs")).unwrap();
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mf.write_all(
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"
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type UtilityMap = HashMap<&'static str, fn(Vec<String>) -> i32>;
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fn util_map() -> UtilityMap {
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let mut map: UtilityMap = HashMap::new();\n"
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.as_bytes(),
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).unwrap();
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for krate in crates {
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cf.write_all(format!("extern crate uu_{krate};\n", krate = krate).as_bytes())
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.unwrap();
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match krate.as_ref() {
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"hashsum" => {
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mf.write_all(
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"map.insert(\"hashsum\", uu_hashsum::uumain);
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map.insert(\"md5sum\", uu_hashsum::uumain);
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map.insert(\"sha1sum\", uu_hashsum::uumain);
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map.insert(\"sha224sum\", uu_hashsum::uumain);
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map.insert(\"sha256sum\", uu_hashsum::uumain);
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map.insert(\"sha384sum\", uu_hashsum::uumain);
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map.insert(\"sha512sum\", uu_hashsum::uumain);
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map.insert(\"sha3sum\", uu_hashsum::uumain);
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map.insert(\"sha3-224sum\", uu_hashsum::uumain);
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map.insert(\"sha3-256sum\", uu_hashsum::uumain);
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map.insert(\"sha3-384sum\", uu_hashsum::uumain);
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map.insert(\"sha3-512sum\", uu_hashsum::uumain);
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map.insert(\"shake128sum\", uu_hashsum::uumain);
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map.insert(\"shake256sum\", uu_hashsum::uumain);\n"
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.as_bytes(),
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).unwrap();
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}
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_ => mf.write_all(
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format!(
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"map.insert(\"{krate}\", uu_{krate}::uumain);\n",
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krate = krate
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).as_bytes(),
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).unwrap(),
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}
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}
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mf.write_all("map\n}\n".as_bytes()).unwrap();
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cf.flush().unwrap();
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mf.flush().unwrap();
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}
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