mdBook/src/cmd/clean.rs

40 lines
1.3 KiB
Rust

use crate::get_book_dir;
use anyhow::Context;
use clap::{App, ArgMatches, SubCommand};
use mdbook::MDBook;
use std::fs;
// Create clap subcommand arguments
pub fn make_subcommand<'a, 'b>() -> App<'a, 'b> {
SubCommand::with_name("clean")
.about("Deletes a built book")
.arg_from_usage(
"-d, --dest-dir=[dest-dir] 'Output directory for the book{n}\
Relative paths are interpreted relative to the book's root directory.{n}\
Running this command deletes this directory.{n}\
If omitted, mdBook uses build.build-dir from book.toml or defaults to `./book`.'",
)
.arg_from_usage(
"[dir] 'Root directory for the book{n}\
(Defaults to the Current Directory when omitted)'",
)
}
// Clean command implementation
pub fn execute(args: &ArgMatches) -> mdbook::errors::Result<()> {
let book_dir = get_book_dir(args);
let book = MDBook::load(&book_dir)?;
let dir_to_remove = match args.value_of("dest-dir") {
Some(dest_dir) => dest_dir.into(),
None => book.root.join(&book.config.build.build_dir),
};
if dir_to_remove.exists() {
fs::remove_dir_all(&dir_to_remove)
.with_context(|| "Unable to remove the build directory")?;
}
Ok(())
}