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Cleanup rustc_tool_util and add a convenient macro for build.rs

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This commit is contained in:
xFrednet
2022-11-21 22:55:14 +01:00
parent 73efce9ee6
commit aa66212e29
7 changed files with 45 additions and 47 deletions
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36
rustc_tools_util/src/lib.rs
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@@ -2,19 +2,21 @@
use std::env;
/// This macro creates the version string during compilation from the
/// current environment
#[macro_export]
macro_rules! get_version_info {
() => {{
let major = env!("CARGO_PKG_VERSION_MAJOR").parse::<u8>().unwrap();
let minor = env!("CARGO_PKG_VERSION_MINOR").parse::<u8>().unwrap();
let patch = env!("CARGO_PKG_VERSION_PATCH").parse::<u16>().unwrap();
let crate_name = String::from(env!("CARGO_PKG_NAME"));
let major = std::env!("CARGO_PKG_VERSION_MAJOR").parse::<u8>().unwrap();
let minor = std::env!("CARGO_PKG_VERSION_MINOR").parse::<u8>().unwrap();
let patch = std::env!("CARGO_PKG_VERSION_PATCH").parse::<u16>().unwrap();
let crate_name = String::from(std::env!("CARGO_PKG_NAME"));
let host_compiler = option_env!("RUSTC_RELEASE_CHANNEL").map(str::to_string);
let commit_hash = option_env!("GIT_HASH").map(str::to_string);
let commit_date = option_env!("COMMIT_DATE").map(str::to_string);
let host_compiler = std::option_env!("RUSTC_RELEASE_CHANNEL").map(str::to_string);
let commit_hash = std::option_env!("GIT_HASH").map(str::to_string);
let commit_date = std::option_env!("COMMIT_DATE").map(str::to_string);
VersionInfo {
$crate::VersionInfo {
major,
minor,
patch,
@@ -26,6 +28,24 @@ macro_rules! get_version_info {
}};
}
/// This macro can be used in `build.rs` to automatically set the needed
/// environment values, namely `GIT_HASH`, `COMMIT_DATE` and
/// `RUSTC_RELEASE_CHANNEL`
#[macro_export]
macro_rules! setup_version_info {
() => {{
println!(
"cargo:rustc-env=GIT_HASH={}",
$crate::get_commit_hash().unwrap_or_default()
);
println!(
"cargo:rustc-env=COMMIT_DATE={}",
$crate::get_commit_date().unwrap_or_default()
);
println!("cargo:rustc-env=RUSTC_RELEASE_CHANNEL={}", $crate::get_channel());
}};
}
// some code taken and adapted from RLS and cargo
pub struct VersionInfo {
pub major: u8,