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