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/// Fish completions
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub struct Fish;
impl crate::dynamic::Completer for Fish {
fn file_name(&self, name: &str) -> String {
format!("{name}.fish")
}
fn write_registration(
&self,
_name: &str,
bin: &str,
completer: &str,
buf: &mut dyn std::io::Write,
) -> Result<(), std::io::Error> {
let bin = shlex::quote(bin);
let completer = shlex::quote(completer);
writeln!(
buf,
r#"complete -x -c {bin} -a "("'{completer}'" complete --shell fish -- (commandline --current-process --tokenize --cut-at-cursor) (commandline --current-token))""#
)
}
fn write_complete(
&self,
cmd: &mut clap::Command,
args: Vec<std::ffi::OsString>,
current_dir: Option<&std::path::Path>,
buf: &mut dyn std::io::Write,
) -> Result<(), std::io::Error> {
let index = args.len() - 1;
let completions = crate::dynamic::complete(cmd, args, index, current_dir)?;
for (completion, help) in completions {
write!(buf, "{}", completion.to_string_lossy())?;
if let Some(help) = help {
write!(
buf,
"\t{}",
help.to_string().lines().next().unwrap_or_default()
)?;
}
writeln!(buf)?;
}
Ok(())
}
}
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