56 lines
1.9 KiB
Rust
56 lines
1.9 KiB
Rust
fn main() {
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let git_output = std::process::Command::new("git")
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.args(["rev-parse", "--git-dir"])
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.output()
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.ok();
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let git_dir = git_output.as_ref().and_then(|output| {
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std::str::from_utf8(&output.stdout)
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.ok()
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.and_then(|s| s.strip_suffix('\n').or_else(|| s.strip_suffix("\r\n")))
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});
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// Tell cargo to rebuild if the head or any relevant refs change.
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if let Some(git_dir) = git_dir {
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let git_path = std::path::Path::new(git_dir);
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let refs_path = git_path.join("refs");
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if git_path.join("HEAD").exists() {
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println!("cargo:rerun-if-changed={}/HEAD", git_dir);
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}
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if git_path.join("packed-refs").exists() {
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println!("cargo:rerun-if-changed={}/packed-refs", git_dir);
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}
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if refs_path.join("heads").exists() {
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println!("cargo:rerun-if-changed={}/refs/heads", git_dir);
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}
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if refs_path.join("tags").exists() {
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println!("cargo:rerun-if-changed={}/refs/tags", git_dir);
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}
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}
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let git_output = std::process::Command::new("git")
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.args(["describe", "--always", "--tags", "--long", "--dirty"])
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.output()
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.ok();
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let git_info = git_output
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.as_ref()
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.and_then(|output| std::str::from_utf8(&output.stdout).ok().map(str::trim));
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let cargo_pkg_version = env!("CARGO_PKG_VERSION");
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// Default git_describe to cargo_pkg_version
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let mut git_describe = String::from(cargo_pkg_version);
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if let Some(git_info) = git_info {
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// If the `git_info` contains `CARGO_PKG_VERSION`, we simply use `git_info` as it is.
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// Otherwise, prepend `CARGO_PKG_VERSION` to `git_info`.
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if git_info.contains(cargo_pkg_version) {
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// Remove the 'g' before the commit sha
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let git_info = &git_info.replace('g', "");
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git_describe = git_info.to_string();
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} else {
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git_describe = format!("v{}-{}", cargo_pkg_version, git_info);
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}
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}
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println!("cargo:rustc-env=RATATRIX_GIT_INFO={}", git_describe);
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}
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