zoxide/build.rs

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Rust
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use std::env;
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use std::io;
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use std::process::Command;
fn main() {
let pkg_version = env::var("CARGO_PKG_VERSION").unwrap();
let version = match env::var_os("PROFILE") {
Some(profile) if profile == "release" => format!("v{}", pkg_version),
_ => git_version().unwrap_or_else(|| format!("v{}-unknown", pkg_version)),
};
println!("cargo:rustc-env=ZOXIDE_VERSION={}", version);
// Since we are generating completions in the package directory, we need to
// set this so that Cargo doesn't rebuild every time.
println!("cargo:rerun-if-changed=src");
println!("cargo:rerun-if-changed=templates");
println!("cargo:rerun-if-changed=tests");
generate_completions().unwrap();
}
fn git_version() -> Option<String> {
let dir = env::var("CARGO_MANIFEST_DIR").ok()?;
let mut git = Command::new("git");
git.args(&["-C", &dir, "describe", "--tags", "--broken"]);
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let output = git.output().ok()?;
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if !output.status.success() || output.stdout.is_empty() || !output.stderr.is_empty() {
return None;
}
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String::from_utf8(output.stdout).ok()
}
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fn generate_completions() -> io::Result<()> {
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#[path = "src/app/_app.rs"]
mod app;
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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";
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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)?;
Ok(())
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}