зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.8 KiB
Rust
45 строки
1.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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extern crate toml;
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use std::env;
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use std::fs::File;
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use std::io::{Read, Write};
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use std::path::Path;
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fn main() {
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let lockfile_path = Path::new(&env::var("CARGO_MANIFEST_DIR").unwrap()).join("..").join("..").join("Cargo.lock");
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let revision_file_path = Path::new(&env::var_os("OUT_DIR").unwrap()).join("webrender_revision.rs");
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let mut lockfile = String::new();
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File::open(lockfile_path).expect("Cannot open lockfile")
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.read_to_string(&mut lockfile)
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.expect("Failed to read lockfile");
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match toml::from_str::<toml::value::Table>(&lockfile) {
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Ok(result) => {
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let packages = result.get("package").expect("Cargo lockfile should contain package list");
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match *packages {
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toml::Value::Array(ref arr) => {
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let source = arr
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.iter()
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.find(|pkg| pkg.get("name").and_then(|name| name.as_str()).unwrap_or("") == "webrender")
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.and_then(|pkg| pkg.get("source").and_then(|source| source.as_str()))
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.unwrap_or("unknown");
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let parsed: Vec<&str> = source.split("#").collect();
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let revision = if parsed.len() > 1 { parsed[1] } else { source };
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let mut revision_module_file = File::create(&revision_file_path).unwrap();
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write!(&mut revision_module_file, "{}", format!("\"{}\"", revision)).unwrap();
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},
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_ => panic!("Cannot find package definitions in lockfile")
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}
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},
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Err(e) => panic!(e)
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}
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}
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