0118ab0f44
Adds a build.rs that runs `git describe --tags --always --dirty` and
sets NUMA_BUILD_VERSION at compile time. A new `numa::version()` helper
returns the build version, falling back to CARGO_PKG_VERSION when git
is unavailable (source tarballs, Docker builds without .git).
Version strings:
tagged release: 0.13.1
commits ahead: 0.13.1+a87f907
uncommitted changes: 0.13.1+a87f907-dirty
no git: 0.13.1
Replaces all 6 inline env!("CARGO_PKG_VERSION") call sites with the
single version() function.
48 lines
2.0 KiB
Rust
48 lines
2.0 KiB
Rust
fn main() {
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let git_version = std::process::Command::new("git")
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.args(["describe", "--tags", "--always", "--dirty"])
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.output()
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.ok()
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.filter(|o| o.status.success())
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.and_then(|o| String::from_utf8(o.stdout).ok())
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.map(|s| {
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let s = s.trim();
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let s = s.strip_prefix('v').unwrap_or(s);
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// "0.13.1" → clean tag → "0.13.1"
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// "0.13.1-9-ga87f907" → ahead → "0.13.1+a87f907"
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// "0.13.1-9-ga87f907-dirty" → dirty → "0.13.1+a87f907-dirty"
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// "a87f907" → no tags → "0.0.0+a87f907"
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// "a87f907-dirty" → no tags → "0.0.0+a87f907-dirty"
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if let Some((base, rest)) = s.split_once("-") {
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// Could be "0.13.1-9-ga87f907[-dirty]" or "a87f907-dirty"
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if base.contains('.') {
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// Tagged: extract sha from "-N-gSHA[-dirty]"
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let parts: Vec<&str> = rest.splitn(3, '-').collect();
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match parts.as_slice() {
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[_n, sha] => format!("{}+{}", base, sha.strip_prefix('g').unwrap_or(sha)),
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[_n, sha, "dirty"] => {
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format!("{}+{}-dirty", base, sha.strip_prefix('g').unwrap_or(sha))
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}
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_ => s.to_string(),
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}
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} else {
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// Untagged: "sha-dirty"
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format!("0.0.0+{}", s)
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}
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} else if s.contains('.') {
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// Exact tag match: "0.13.1"
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s.to_string()
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} else {
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// Bare sha, no tags at all
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format!("0.0.0+{}", s)
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}
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});
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if let Some(v) = git_version {
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println!("cargo:rustc-env=NUMA_BUILD_VERSION={}", v);
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}
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println!("cargo:rerun-if-changed=.git/HEAD");
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println!("cargo:rerun-if-changed=.git/refs/tags/");
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}
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