difftastic/src/version.rs

48 lines
1.1 KiB
Rust

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>,
}
impl fmt::Display for VersionInfo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.version)?;
if let Some(ref ci) = &self.commit_info {
write!(f, " ({} {})", ci.short_commit_hash, ci.commit_date)?;
}
Ok(())
}
}
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,
};
VersionInfo {
version,
commit_info,
}
}