use std::env; use std::process::Command; fn git_version() -> Option { // 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"]); 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()) } fn generate_completions() { #[path = "src/app/_app.rs"] mod app; 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::(app, bin_name, out_dir); generate_to::(app, bin_name, out_dir); generate_to::(app, bin_name, out_dir); generate_to::(app, bin_name, out_dir); generate_to::(app, bin_name, out_dir); } fn main() { let version = git_version().unwrap_or_else(crate_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(); }