46 lines
1.3 KiB
Rust
46 lines
1.3 KiB
Rust
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//! Helpers for building the command-line arguments for commands.
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pub use clap::{arg, Arg, ArgMatches, Command};
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use std::path::PathBuf;
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pub trait CommandExt: Sized {
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fn _arg(self, arg: Arg) -> Self;
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fn arg_dest_dir(self) -> Self {
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self._arg(
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Arg::new("dest-dir")
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.short('d')
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.long("dest-dir")
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.value_name("dest-dir")
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.value_parser(clap::value_parser!(PathBuf))
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.help(
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"Output directory for the book\n\
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Relative paths are interpreted relative to the book's root directory.\n\
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If omitted, mdBook uses build.build-dir from book.toml \
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or defaults to `./book`.",
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),
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)
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}
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fn arg_root_dir(self) -> Self {
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self._arg(
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Arg::new("dir")
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.help(
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"Root directory for the book\n\
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(Defaults to the current directory when omitted)",
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)
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.value_parser(clap::value_parser!(PathBuf)),
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)
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}
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fn arg_open(self) -> Self {
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self._arg(arg!(-o --open "Opens the compiled book in a web browser"))
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}
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}
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impl CommandExt for Command {
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fn _arg(self, arg: Arg) -> Self {
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self.arg(arg)
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}
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}
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