shitbox/corebox/commands/mkfifo/mod.rs
Nathan Fisher d248f7d17b Remove Default constraint on Cmd trait and begin removing
derive(Default) from applets
2023-04-17 23:27:57 -04:00

63 lines
2.1 KiB
Rust

use super::Cmd;
use clap::{Arg, ArgMatches, Command};
use mode::Parser;
use shitbox::args;
use std::error::Error;
#[derive(Debug)]
pub struct MkFifo;
impl Cmd for MkFifo {
fn cli(&self) -> clap::Command {
Command::new("mkfifo")
.about("make FIFO special files")
.author("Nathan Fisher")
.version(env!("CARGO_PKG_VERSION"))
.args([
Arg::new("mode")
.help(
"Set the file permission bits of the newly-created \
FIFO to the specified mode value.",
)
.long_help(
"Set the file permission bits of the newly-created \
FIFO to the specified mode value. The mode option-argument \
shall be the same as the mode operand defined for the \
chmod utility. In the symbolic_mode strings, the op \
characters '+' and '-' shall be interpreted relative to \
an assumed initial mode of a=rw.",
)
.short('m')
.long("mode")
.value_name("MODE")
.num_args(1),
args::verbose(),
Arg::new("file").num_args(1..).required(true),
])
}
fn run(&self, matches: &ArgMatches) -> Result<(), Box<dyn Error>> {
let mode = if let Some(m) = matches.get_one::<String>("mode") {
Parser::new(0o666).parse(m)?
} else {
0o666
};
if let Some(files) = matches.get_many::<String>("file") {
for f in files {
stat::mkfifo(f.as_str(), mode)?;
if matches.get_flag("verbose") {
println!(
"{}: created pipe '{f}' with mode {mode:o}",
self.cli().get_name()
);
}
}
}
Ok(())
}
fn path(&self) -> Option<shitbox::Path> {
Some(shitbox::Path::UsrBin)
}
}