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// TODO: Re-enable generation of shell completion files (below) when clap 3 is out.
// For more details, see https://github.com/sharkdp/bat/issues/372
#[macro_use]
extern crate lazy_static;
extern crate liquid;
use std::error::Error;
use std::fs;
// Read environment variables.
lazy_static! {
pub static ref PROJECT_NAME: &'static str = option_env!("PROJECT_NAME").unwrap_or("bat");
pub static ref PROJECT_VERSION: &'static str = option_env!("CARGO_PKG_VERSION").unwrap();
pub static ref EXECUTABLE_NAME: &'static str = option_env!("PROJECT_EXECUTABLE")
.or(option_env!("PROJECT_NAME"))
.unwrap_or("bat");
}
fn init_template() -> liquid::value::Object {
let mut globals = liquid::value::Object::new();
globals.insert(
"PROJECT_NAME".into(),
liquid::value::Value::scalar(PROJECT_NAME.to_owned()),
);
globals.insert(
"PROJECT_EXECUTABLE".into(),
liquid::value::Value::scalar(EXECUTABLE_NAME.to_owned()),
);
globals.insert(
"PROJECT_VERSION".into(),
liquid::value::Value::scalar(PROJECT_VERSION.to_owned()),
);
globals
}
/// Generates a file from a liquid template.
fn template(
variables: &liquid::value::Object,
in_file: &str,
out_file: &str,
) -> Result<(), Box<dyn Error>> {
let template = liquid::ParserBuilder::with_liquid()
.build()?
.parse(&fs::read_to_string(in_file)?)?;
fs::write(out_file, template.render(variables)?)?;
Ok(())
}
fn main() -> Result<(), Box<dyn Error>> {
let variables = init_template();
template(
&variables,
"assets/manual/bat.1.in",
&format!("assets/manual/{}.1", EXECUTABLE_NAME.to_owned()),
)?;
Ok(())
}
// #[macro_use]
// extern crate clap;
// use clap::Shell;
// use std::fs;
// include!("src/clap_app.rs");
// const BIN_NAME: &str = "bat";
// fn main() {
// let outdir = std::env::var_os("SHELL_COMPLETIONS_DIR").or(std::env::var_os("OUT_DIR"));
// let outdir = match outdir {
// None => return,
// Some(outdir) => outdir,
// };
// fs::create_dir_all(&outdir).unwrap();
// let mut app = build_app(true);
// app.gen_completions(BIN_NAME, Shell::Bash, &outdir);
// app.gen_completions(BIN_NAME, Shell::Fish, &outdir);
// app.gen_completions(BIN_NAME, Shell::Zsh, &outdir);
// app.gen_completions(BIN_NAME, Shell::PowerShell, &outdir);
// }
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