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#![feature(tool_lints)]
use std::env;
#[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 host_compiler = $crate::get_channel();
let commit_hash = option_env!("GIT_HASH").map(|s| s.to_string());
let commit_date = option_env!("COMMIT_DATE").map(|s| s.to_string());
VersionInfo {
major,
minor,
patch,
host_compiler,
commit_hash,
commit_date,
crate_name,
}
}};
}
// some code taken and adapted from RLS and cargo
pub struct VersionInfo {
pub major: u8,
pub minor: u8,
pub patch: u16,
pub host_compiler: Option<String>,
pub commit_hash: Option<String>,
pub commit_date: Option<String>,
pub crate_name: String,
}
impl std::fmt::Display for VersionInfo {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match self.commit_hash {
Some(_) => {
write!(
f,
"{} {}.{}.{} ({} {})",
self.crate_name,
self.major,
self.minor,
self.patch,
self.commit_hash.clone().unwrap_or_default().trim(),
self.commit_date.clone().unwrap_or_default().trim(),
)?;
},
None => {
write!(f, "{} {}.{}.{}", self.crate_name, self.major, self.minor, self.patch)?;
},
};
Ok(())
}
}
pub fn get_channel() -> Option<String> {
if let Ok(channel) = env::var("CFG_RELEASE_CHANNEL") {
Some(channel)
} else {
// we could ask ${RUSTC} -Vv and do some parsing and find out
Some(String::from("nightly"))
}
}
pub fn get_commit_hash() -> Option<String> {
std::process::Command::new("git")
.args(&["rev-parse", "--short", "HEAD"])
.output()
.ok()
.and_then(|r| String::from_utf8(r.stdout).ok())
}
pub fn get_commit_date() -> Option<String> {
std::process::Command::new("git")
.args(&["log", "-1", "--date=short", "--pretty=format:%cd"])
.output()
.ok()
.and_then(|r| String::from_utf8(r.stdout).ok())
}
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