bat/build/application.rs
2023-11-02 17:54:57 +01:00

67 lines
2.2 KiB
Rust

use std::{env, fs, path::PathBuf};
use crate::util::render_template;
/// Generate manpage and shell completions for the bat application.
pub fn gen_man_and_comp() -> anyhow::Result<()> {
println!("cargo:rerun-if-changed=assets/manual/");
println!("cargo:rerun-if-changed=assets/completions/");
println!("cargo:rerun-if-env-changed=PROJECT_NAME");
println!("cargo:rerun-if-env-changed=PROJECT_EXECUTABLE");
println!("cargo:rerun-if-env-changed=CARGO_PKG_VERSION");
println!("cargo:rerun-if-env-changed=BAT_ASSETS_GEN_DIR");
// Read environment variables.
let project_name = env::var("PROJECT_NAME").unwrap_or("bat".into());
let executable_name = env::var("PROJECT_EXECUTABLE").unwrap_or(project_name.clone());
let executable_name_uppercase = executable_name.to_uppercase();
let project_version = env::var("CARGO_PKG_VERSION")?;
let variables = [
("PROJECT_NAME", project_name),
("PROJECT_EXECUTABLE", executable_name),
("PROJECT_EXECUTABLE_UPPERCASE", executable_name_uppercase),
("PROJECT_VERSION", project_version),
]
.into_iter()
.collect();
let Some(out_dir) = env::var_os("BAT_ASSETS_GEN_DIR")
.or_else(|| env::var_os("OUT_DIR"))
.map(PathBuf::from)
else {
anyhow::bail!("BAT_ASSETS_GEN_DIR or OUT_DIR should be set for build.rs");
};
fs::create_dir_all(out_dir.join("assets/manual")).unwrap();
fs::create_dir_all(out_dir.join("assets/completions")).unwrap();
render_template(
&variables,
"assets/manual/bat.1.in",
out_dir.join("assets/manual/bat.1"),
)?;
render_template(
&variables,
"assets/completions/bat.bash.in",
out_dir.join("assets/completions/bat.bash"),
)?;
render_template(
&variables,
"assets/completions/bat.fish.in",
out_dir.join("assets/completions/bat.fish"),
)?;
render_template(
&variables,
"assets/completions/_bat.ps1.in",
out_dir.join("assets/completions/_bat.ps1"),
)?;
render_template(
&variables,
"assets/completions/bat.zsh.in",
out_dir.join("assets/completions/bat.zsh"),
)?;
Ok(())
}