diff options
Diffstat (limited to 'vendor/rustc_tools_util/src/lib.rs')
-rw-r--r-- | vendor/rustc_tools_util/src/lib.rs | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/vendor/rustc_tools_util/src/lib.rs b/vendor/rustc_tools_util/src/lib.rs index 01d25c531..47c0f9bcb 100644 --- a/vendor/rustc_tools_util/src/lib.rs +++ b/vendor/rustc_tools_util/src/lib.rs @@ -1,20 +1,20 @@ #![cfg_attr(feature = "deny-warnings", deny(warnings))] -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 +26,24 @@ 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, @@ -101,7 +119,7 @@ pub fn get_commit_date() -> Option<String> { #[must_use] pub fn get_channel() -> String { - match env::var("CFG_RELEASE_CHANNEL") { + match std::env::var("CFG_RELEASE_CHANNEL") { Ok(channel) => channel, Err(_) => { // if that failed, try to ask rustc -V, do some parsing and find out @@ -147,7 +165,7 @@ mod test { #[test] fn test_display_local() { let vi = get_version_info!(); - assert_eq!(vi.to_string(), "rustc_tools_util 0.2.1"); + assert_eq!(vi.to_string(), "rustc_tools_util 0.3.0"); } #[test] |