Edouard Vanbelle
72 lines
2.7 KiB
Rust
72 lines
2.7 KiB
Rust
//! build.rs — injects git build metadata into the binary.
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//!
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//! Exposes `GIT_HASH` and `GIT_BRANCH` (consumed via `env!()` in `main.rs`).
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//! There is no Rust-side asset pipeline: the frontend is built by Vite into
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//! `static-dist/` and served directly by the web layer (`interfaces::web`).
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use std::env;
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use std::process::Command;
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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git_status();
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}
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// ═══════════════════════════════════════════════════════════════════════════════
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// Grab git values
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// Supports GitHub; CI vars are honoured (extend if moving to GitLab/CircleCI/…).
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// ═══════════════════════════════════════════════════════════════════════════════
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fn git_status() {
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// Rerun the build script when the commit or branch changes
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println!("cargo:rerun-if-changed=.git/HEAD");
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println!("cargo:rerun-if-changed=.git/refs/heads");
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let git_hash = first_env(&["GITHUB_SHA", "CI_COMMIT_SHA", "CIRCLE_SHA1", "GIT_COMMIT"])
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.or_else(|| git(&["rev-parse", "HEAD"]))
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.unwrap_or_else(|| "unknown".into());
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println!("cargo:rustc-env=GIT_HASH={git_hash}");
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let git_branch = first_env(&[
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"GITHUB_HEAD_REF", // GitHub: PR source branch (empty on push)
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"GITHUB_REF_NAME", // GitHub: branch/tag on push
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"CI_COMMIT_REF_NAME", // GitLab
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"CIRCLE_BRANCH", // CircleCI
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"GIT_BRANCH", // Jenkins
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])
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.or_else(|| git(&["rev-parse", "--abbrev-ref", "HEAD"]))
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.filter(|b| b != "HEAD") // detached HEAD is not a real branch name
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.unwrap_or_else(|| "unknown".into());
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println!("cargo:rustc-env=GIT_BRANCH={git_branch}");
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// CI builds: rerun if the injected env changes
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for k in [
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"GITHUB_SHA",
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"GITHUB_HEAD_REF",
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"GITHUB_REF_NAME",
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"CI_COMMIT_SHA",
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"CI_COMMIT_REF_NAME",
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"CIRCLE_SHA1",
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"CIRCLE_BRANCH",
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"GIT_COMMIT",
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"GIT_BRANCH",
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] {
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println!("cargo:rerun-if-env-changed={k}");
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}
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println!("cargo:warning=OxiCloud built with git hash: {git_hash} and branch: {git_branch}");
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}
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fn git(args: &[&str]) -> Option<String> {
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let out = Command::new("git").args(args).output().ok()?;
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out.status.success().then_some(())?;
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let s = String::from_utf8(out.stdout).ok()?.trim().to_string();
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(!s.is_empty()).then_some(s)
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}
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fn first_env(keys: &[&str]) -> Option<String> {
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keys.iter()
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.find_map(|k| env::var(k).ok())
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.filter(|s| !s.is_empty())
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}
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