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https://github.com/clap-rs/clap
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170bd59111
zsh completions for commands that have multiple Vec arguments require
special care.
We can have two Vec args separated with a value terminator.
We can also have two Vec args with no value terminators specified
where the final arg uses 'raw' and thus requires '--' to be used.
The 2nd of these scenarios requires special handling to avoid
emitting a duplicate '*:arguments' completion entry.
Currently, the zsh completions generate an error in this scenario:
$ my-app <TAB>
_arguments:...: doubled rest argument definition:
*::second -- second set of of multi-length arguments:
We already use the '-S' option when calling _arguments.
This option makes it so that completion stops after '--' is encountered.
This means that the handling for trailing 'raw' arguments does not need
to specified.
Special-case multi-valued arguments so that we can skip emitting
the final multi-valued argument if a previous multi-valued argument
has already been emitted.
Closes #3022
Signed-off-by: David Aguilar <davvid@gmail.com>
291 lines
9.4 KiB
Rust
291 lines
9.4 KiB
Rust
use clap::builder::PossibleValue;
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pub fn basic_command(name: &'static str) -> clap::Command {
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clap::Command::new(name)
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.arg(
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clap::Arg::new("config")
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.short('c')
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.global(true)
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.action(clap::ArgAction::SetTrue),
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)
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.arg(
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clap::Arg::new("v")
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.short('v')
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.conflicts_with("config")
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.action(clap::ArgAction::SetTrue),
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)
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.subcommand(
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clap::Command::new("test").about("Subcommand").arg(
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clap::Arg::new("debug")
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.short('d')
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.action(clap::ArgAction::Count),
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),
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)
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}
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pub fn feature_sample_command(name: &'static str) -> clap::Command {
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clap::Command::new(name)
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.version("3.0")
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.propagate_version(true)
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.about("Tests completions")
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.arg(
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clap::Arg::new("file")
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.value_hint(clap::ValueHint::FilePath)
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.help("some input file"),
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)
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.arg(
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clap::Arg::new("config")
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.action(clap::ArgAction::Count)
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.help("some config file")
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.short('c')
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.visible_short_alias('C')
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.long("config")
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.visible_alias("conf"),
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)
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.arg(clap::Arg::new("choice").value_parser(["first", "second"]))
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.subcommand(
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clap::Command::new("test").about("tests things").arg(
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clap::Arg::new("case")
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.long("case")
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.action(clap::ArgAction::Set)
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.help("the case to test"),
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),
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)
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}
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pub fn special_commands_command(name: &'static str) -> clap::Command {
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feature_sample_command(name)
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.subcommand(
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clap::Command::new("some_cmd")
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.about("tests other things")
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.arg(
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clap::Arg::new("config")
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.long("config")
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.hide(true)
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.action(clap::ArgAction::Set)
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.require_equals(true)
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.help("the other case to test"),
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)
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.arg(clap::Arg::new("path").num_args(1..)),
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)
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.subcommand(clap::Command::new("some-cmd-with-hyphens").alias("hyphen"))
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.subcommand(clap::Command::new("some-hidden-cmd").hide(true))
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}
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pub fn quoting_command(name: &'static str) -> clap::Command {
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clap::Command::new(name)
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.version("3.0")
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.arg(
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clap::Arg::new("single-quotes")
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.long("single-quotes")
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.action(clap::ArgAction::SetTrue)
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.help("Can be 'always', 'auto', or 'never'"),
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)
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.arg(
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clap::Arg::new("double-quotes")
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.long("double-quotes")
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.action(clap::ArgAction::SetTrue)
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.help("Can be \"always\", \"auto\", or \"never\""),
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)
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.arg(
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clap::Arg::new("backticks")
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.long("backticks")
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.action(clap::ArgAction::SetTrue)
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.help("For more information see `echo test`"),
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)
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.arg(
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clap::Arg::new("backslash")
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.long("backslash")
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.action(clap::ArgAction::SetTrue)
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.help("Avoid '\\n'"),
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)
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.arg(
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clap::Arg::new("brackets")
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.long("brackets")
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.action(clap::ArgAction::SetTrue)
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.help("List packages [filter]"),
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)
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.arg(
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clap::Arg::new("expansions")
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.long("expansions")
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.action(clap::ArgAction::SetTrue)
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.help("Execute the shell command with $SHELL"),
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)
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.subcommands([
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clap::Command::new("cmd-single-quotes").about("Can be 'always', 'auto', or 'never'"),
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clap::Command::new("cmd-double-quotes")
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.about("Can be \"always\", \"auto\", or \"never\""),
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clap::Command::new("cmd-backticks").about("For more information see `echo test`"),
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clap::Command::new("cmd-backslash").about("Avoid '\\n'"),
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clap::Command::new("cmd-brackets").about("List packages [filter]"),
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clap::Command::new("cmd-expansions").about("Execute the shell command with $SHELL"),
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])
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}
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pub fn aliases_command(name: &'static str) -> clap::Command {
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clap::Command::new(name)
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.version("3.0")
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.about("testing bash completions")
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.arg(
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clap::Arg::new("flag")
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.short('f')
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.visible_short_alias('F')
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.long("flag")
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.action(clap::ArgAction::SetTrue)
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.visible_alias("flg")
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.help("cmd flag"),
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)
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.arg(
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clap::Arg::new("option")
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.short('o')
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.visible_short_alias('O')
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.long("option")
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.visible_alias("opt")
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.help("cmd option")
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.action(clap::ArgAction::Set),
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)
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.arg(clap::Arg::new("positional"))
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}
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pub fn sub_subcommands_command(name: &'static str) -> clap::Command {
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feature_sample_command(name).subcommand(
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clap::Command::new("some_cmd")
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.about("top level subcommand")
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.visible_alias("some_cmd_alias")
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.subcommand(
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clap::Command::new("sub_cmd").about("sub-subcommand").arg(
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clap::Arg::new("config")
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.long("config")
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.action(clap::ArgAction::Set)
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.value_parser([
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PossibleValue::new("Lest quotes, aren't escaped.")
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.help("help,with,comma"),
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PossibleValue::new("Second to trigger display of options"),
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])
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.help("the other case to test"),
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),
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),
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)
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}
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pub fn value_hint_command(name: &'static str) -> clap::Command {
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clap::Command::new(name)
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.arg(
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clap::Arg::new("choice")
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.long("choice")
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.action(clap::ArgAction::Set)
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.value_parser(["bash", "fish", "zsh"]),
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)
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.arg(
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clap::Arg::new("unknown")
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.long("unknown")
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.value_hint(clap::ValueHint::Unknown),
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)
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.arg(
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clap::Arg::new("other")
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.long("other")
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.value_hint(clap::ValueHint::Other),
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)
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.arg(
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clap::Arg::new("path")
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.long("path")
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.short('p')
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.value_hint(clap::ValueHint::AnyPath),
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)
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.arg(
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clap::Arg::new("file")
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.long("file")
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.short('f')
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.value_hint(clap::ValueHint::FilePath),
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)
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.arg(
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clap::Arg::new("dir")
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.long("dir")
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.short('d')
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.value_hint(clap::ValueHint::DirPath),
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)
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.arg(
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clap::Arg::new("exe")
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.long("exe")
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.short('e')
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.value_hint(clap::ValueHint::ExecutablePath),
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)
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.arg(
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clap::Arg::new("cmd_name")
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.long("cmd-name")
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.value_hint(clap::ValueHint::CommandName),
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)
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.arg(
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clap::Arg::new("cmd")
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.long("cmd")
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.short('c')
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.value_hint(clap::ValueHint::CommandString),
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)
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.arg(
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clap::Arg::new("command_with_args")
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.action(clap::ArgAction::Set)
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.num_args(1..)
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.trailing_var_arg(true)
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.value_hint(clap::ValueHint::CommandWithArguments),
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)
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.arg(
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clap::Arg::new("user")
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.short('u')
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.long("user")
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.value_hint(clap::ValueHint::Username),
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)
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.arg(
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clap::Arg::new("host")
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.short('H')
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.long("host")
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.value_hint(clap::ValueHint::Hostname),
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)
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.arg(
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clap::Arg::new("url")
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.long("url")
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.value_hint(clap::ValueHint::Url),
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)
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.arg(
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clap::Arg::new("email")
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.long("email")
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.value_hint(clap::ValueHint::EmailAddress),
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)
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}
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pub fn value_terminator_command(name: &'static str) -> clap::Command {
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clap::Command::new(name).arg(
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clap::Arg::new("arguments")
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.help("multi-valued argument with a value terminator")
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.num_args(1..)
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.value_terminator(";"),
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)
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}
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pub fn two_multi_valued_arguments_command(name: &'static str) -> clap::Command {
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clap::Command::new(name)
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.arg(
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clap::Arg::new("first")
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.help("first multi-valued argument")
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.num_args(1..),
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)
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.arg(
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clap::Arg::new("second")
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.help("second multi-valued argument")
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.raw(true),
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)
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}
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pub fn assert_matches_path(
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expected_path: impl AsRef<std::path::Path>,
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gen: impl clap_complete::Generator,
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mut cmd: clap::Command,
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name: &'static str,
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) {
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let mut buf = vec![];
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clap_complete::generate(gen, &mut cmd, name, &mut buf);
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snapbox::Assert::new()
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.action_env("SNAPSHOTS")
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.normalize_paths(false)
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.matches_path(expected_path, buf);
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}
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