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use std::fmt;
use lazy_static::lazy_static;
pub(crate) struct CommitInfo {
pub(crate) short_commit_hash: &'static str,
pub(crate) commit_date: &'static str,
}
pub(crate) struct VersionInfo {
pub(crate) version: &'static str,
pub(crate) commit_info: Option<CommitInfo>,
pub(crate) rustc_version: Option<&'static str>,
}
impl fmt::Display for VersionInfo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}\n\n", self.version)?;
if let Some(commit_info) = &self.commit_info {
writeln!(
f,
"Revision: {} {}",
commit_info.short_commit_hash, commit_info.commit_date
)?;
}
if let Some(rustc_version) = self.rustc_version {
writeln!(f, "Toolchain: {}", rustc_version)?;
}
writeln!(
f,
"System: {} {}",
std::env::consts::OS,
std::env::consts::ARCH
)
}
}
lazy_static! {
pub(crate) static ref VERSION: String = version().to_string();
}
pub(crate) const fn version() -> VersionInfo {
let version = env!("CARGO_PKG_VERSION");
let commit_info = match (
option_env!("DFT_COMMIT_SHORT_HASH"),
option_env!("DFT_COMMIT_DATE"),
) {
(Some(short_commit_hash), Some(commit_date)) => Some(CommitInfo {
short_commit_hash,
commit_date,
}),
_ => None,
};
let rustc_version = option_env!("DFT_RUSTC_VERSION");
VersionInfo {
version,
commit_info,
rustc_version,
}
}
|
