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cli: add debug command for generating command-line-completion scripts

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Martin von Zweigbergk 2021-09-23 14:02:03 -07:00
parent edf7ec0a72
commit 76782b20dd
1 changed files with 20 additions and 1 deletions
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21
src/commands.rs
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@ -1259,6 +1259,13 @@ By default, all branches are pushed. Use `--branch` if you want to push only one
let debug_command = SubCommand::with_name("debug")
.about("Low-level commands not intended for users")
.setting(clap::AppSettings::SubcommandRequiredElseHelp)
.subcommand(
SubCommand::with_name("completion")
.about("Print a command-line-completion script")
.arg(Arg::with_name("bash").long("bash"))
.arg(Arg::with_name("fish").long("fish"))
.arg(Arg::with_name("zsh").long("zsh")),
)
.subcommand(
SubCommand::with_name("resolverev")
.about("Resolve a revision identifier to its full ID")
@ -2888,7 +2895,19 @@ fn cmd_debug(
command: &CommandHelper,
sub_matches: &ArgMatches,
) -> Result<(), CommandError> {
if let Some(resolve_matches) = sub_matches.subcommand_matches("resolverev") {
if let Some(complation_matches) = sub_matches.subcommand_matches("completion") {
let mut app = get_app();
let mut buf = vec![];
let shell = if complation_matches.is_present("zsh") {
clap::Shell::Zsh
} else if complation_matches.is_present("fish") {
clap::Shell::Fish
} else {
clap::Shell::Bash
};
app.gen_completions_to("jj", shell, &mut buf);
ui.stdout_formatter().write_all(&buf)?;
} else if let Some(resolve_matches) = sub_matches.subcommand_matches("resolverev") {
let mut repo_command = command.repo_helper(ui)?;
let commit = repo_command.resolve_revision_arg(ui, resolve_matches)?;
writeln!(ui, "{}", commit.id().hex())?;