zoxide/build.rs

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Rust
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use std::env;
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use std::process::Command;
fn git_version() -> Option<String> {
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// Packages releases of zoxide almost always use the source tarball
// provided by GitHub, which does not include the `.git` folder. Since this
// feature is only useful for development, there's no need of printing a
// warning here.
let mut git = Command::new("git");
git.args(&["describe", "--tags", "--broken"]);
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let output = git.output().ok()?;
String::from_utf8(output.stdout).ok()
}
fn crate_version() -> String {
// unwrap is safe here, since Cargo will always supply this variable.
format!("v{}", env::var("CARGO_PKG_VERSION").unwrap())
}
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fn generate_completions() {
mod app {
include!("src/app.rs");
}
use app::App;
use clap::IntoApp;
use clap_generate::generate_to;
use clap_generate::generators::{Bash, Elvish, Fish, PowerShell, Zsh};
let app = &mut App::into_app();
let bin_name = &env::var("CARGO_PKG_NAME").unwrap();
let out_dir = "contrib/completions";
generate_to::<Bash, _, _>(app, bin_name, out_dir);
generate_to::<Elvish, _, _>(app, bin_name, out_dir);
generate_to::<Fish, _, _>(app, bin_name, out_dir);
generate_to::<PowerShell, _, _>(app, bin_name, out_dir);
generate_to::<Zsh, _, _>(app, bin_name, out_dir);
}
fn main() {
let version = git_version().unwrap_or_else(crate_version);
println!("cargo:rustc-env=ZOXIDE_VERSION={}", version);
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generate_completions();
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}