// 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 // For bat-as-a-library, no build script is required. The build script is for // the manpage and completions, which are only relevant to the bat application. #[cfg(not(feature = "application"))] fn main() {} #[cfg(feature = "application")] fn main() -> Result<(), Box<dyn std::error::Error>> { use std::error::Error; use std::fs; use std::path::Path; // Read environment variables. let project_name = option_env!("PROJECT_NAME").unwrap_or("bat"); let executable_name = option_env!("PROJECT_EXECUTABLE").unwrap_or(project_name); static PROJECT_VERSION: &str = env!("CARGO_PKG_VERSION"); /// Generates a file from a liquid template. fn template( variables: &liquid::Object, in_file: &str, out_file: impl AsRef<Path>, ) -> Result<(), Box<dyn Error>> { let template = liquid::ParserBuilder::with_stdlib() .build()? .parse(&fs::read_to_string(in_file)?)?; fs::write(out_file, template.render(variables)?)?; Ok(()) } let variables = liquid::object!({ "PROJECT_NAME": project_name, "PROJECT_EXECUTABLE": executable_name, "PROJECT_VERSION": PROJECT_VERSION, }); let out_dir_env = std::env::var_os("OUT_DIR").expect("OUT_DIR to be set in build.rs"); let out_dir = Path::new(&out_dir_env); fs::create_dir_all(out_dir.join("assets/manual")).unwrap(); fs::create_dir_all(out_dir.join("assets/completions")).unwrap(); template( &variables, "assets/manual/bat.1.in", out_dir.join("assets/manual/bat.1"), )?; template( &variables, "assets/completions/bat.fish.in", out_dir.join("assets/completions/bat.fish"), )?; 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); // }