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build: emit LORE_VERSION env var combining version and git hash

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The clap --version flag now shows the git hash alongside the semver
version (e.g. "lore 0.1.0 (a573d69)") instead of bare "lore 0.1.0".

LORE_VERSION is constructed at compile time in build.rs from
CARGO_PKG_VERSION + the short git hash, and consumed via
env!("LORE_VERSION") in the Cli struct's #[command(version)] attribute.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Taylor Eernisse
2026-02-06 23:46:29 -05:00
parent a573d695d5
commit 4ce0130620
1 changed files with 11 additions and 1 deletions
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12
build.rs
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@@ -5,7 +5,17 @@ fn main() {
.ok()
.and_then(|o| String::from_utf8(o.stdout).ok())
.unwrap_or_default();
println!("cargo:rustc-env=GIT_HASH={}", hash.trim());
let hash = hash.trim();
println!("cargo:rustc-env=GIT_HASH={hash}");
// Combined version string for clap --version flag
let pkg_version = std::env::var("CARGO_PKG_VERSION").unwrap_or_default();
if hash.is_empty() {
println!("cargo:rustc-env=LORE_VERSION={pkg_version}");
} else {
println!("cargo:rustc-env=LORE_VERSION={pkg_version} ({hash})");
}
println!("cargo:rerun-if-changed=.git/HEAD");
println!("cargo:rerun-if-changed=.git/refs/heads");
}