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make completion cmd a subcommand of shell args
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README.md
19
README.md
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@ -241,21 +241,24 @@ systemctl --user start himalaya.service
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## Completions
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```sh
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# For bash shells
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himalaya bash-completions
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Generates the completion script for the given shell
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# For zsh shells
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himalaya zsh-completions
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USAGE:
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himalaya completion <shell>
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# For fish shells
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himalaya fish-completions
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FLAGS:
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-h, --help Prints help information
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-V, --version Prints version information
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ARGS:
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<shell> [possible values: bash, zsh, fish]
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```
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Those commands print the generated scripts to the stdout. You will have
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The command prints the generated script to the stdout. You will have
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to manually save and source them. For example:
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```sh
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himalaya bash-completions > himalaya-completions.bash
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himalaya completion bash > himalaya-completions.bash
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```
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```sh
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@ -1,34 +1,27 @@
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use clap::{self, App, ArgMatches, SubCommand};
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use clap::{self, App, Arg, ArgMatches, Shell, SubCommand};
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use error_chain::error_chain;
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use std::io;
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error_chain! {}
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pub fn completion_subcmds<'a>() -> Vec<App<'a, 'a>> {
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vec![
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SubCommand::with_name("bash-completions").about("Generates bash completions script"),
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SubCommand::with_name("zsh-completions").about("Generates zsh completions script"),
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SubCommand::with_name("fish-completions").about("Generates fish completions script"),
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]
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vec![SubCommand::with_name("completion")
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.about("Generates the completion script for the given shell")
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.args(&[Arg::with_name("shell")
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.possible_values(&["bash", "zsh", "fish"])
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.required(true)])]
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}
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pub fn completion_matches(mut app: App, matches: &ArgMatches) -> Result<bool> {
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use clap::Shell::*;
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if matches.is_present("bash-completions") {
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app.gen_completions_to("himalaya", Bash, &mut io::stdout());
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if let Some(matches) = matches.subcommand_matches("completion") {
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let shell = match matches.value_of("shell").unwrap() {
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"fish" => Shell::Fish,
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"zsh" => Shell::Zsh,
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"bash" | _ => Shell::Bash,
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};
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app.gen_completions_to("himalaya", shell, &mut io::stdout());
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return Ok(true);
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}
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if matches.is_present("zsh-completions") {
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app.gen_completions_to("himalaya", Zsh, &mut io::stdout());
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return Ok(true);
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}
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if matches.is_present("fish-completions") {
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app.gen_completions_to("himalaya", Fish, &mut io::stdout());
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return Ok(true);
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}
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};
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Ok(false)
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}
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