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refactor(build): generate revision into out_dir

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OJ Kwon 2018-03-19 14:47:30 -07:00
parent f9230975f5
commit b957f6aad7
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GPG key ID: 2E469434030C7F09
4 changed files with 6 additions and 29 deletions
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29
components/compositing/build.rs
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@ -7,27 +7,11 @@ extern crate toml;
use std::env;
use std::fs::File;
use std::io::{Read, Write};
const WEBRENDER_REVISION_TEMPLATE: &'static str =
"/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/// auto-generated by cargo. do not manually modify.
pub const REVISION: &'static str = ";
use std::path::Path;
fn main() {
let current_path = env::current_dir().expect("Failed to access path to lockfile");
let lockfile_path = current_path.join("..").join("..").join("Cargo.lock");
let revision_file_path = current_path.join("webrender_revision.rs");
let mut existing_revision_exported = String::new();
match File::open(&revision_file_path) {
Ok(mut f) => {
f.read_to_string(&mut existing_revision_exported).unwrap_or_default();
},
Err(_) => ()
}
let lockfile_path = Path::new(&env::var("CARGO_MANIFEST_DIR").unwrap()).join("..").join("..").join("Cargo.lock");
let revision_file_path = Path::new(&env::var_os("OUT_DIR").unwrap()).join("webrender_revision.rs");
let mut lockfile = String::new();
File::open(lockfile_path).expect("Cannot open lockfile")
@ -49,13 +33,8 @@ fn main() {
let parsed: Vec<&str> = source.split("#").collect();
let revision = if parsed.len() > 1 { parsed[1] } else { source };
if let Some(_) = existing_revision_exported.find(revision) {
return
}
let revision_contents = format!("{}\"{}\";", WEBRENDER_REVISION_TEMPLATE, revision);
let mut revision_module_file = File::create(&revision_file_path).unwrap();
write!(&mut revision_module_file, "{}", revision_contents).unwrap();
write!(&mut revision_module_file, "{}", format!("\"{}\"", revision)).unwrap();
},
_ => panic!("Cannot find package definitions in lockfile")
}