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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:31 +0000 |
commit | 2ff14448863ac1a1dd9533461708e29aae170c2d (patch) | |
tree | 85b9fea2bbfe3f06473cfa381eed11f273b57c5c /vendor/clap/src/builder/command.rs | |
parent | Adding debian version 1.64.0+dfsg1-1. (diff) | |
download | rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip |
Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/clap/src/builder/command.rs')
-rw-r--r-- | vendor/clap/src/builder/command.rs | 106 |
1 files changed, 93 insertions, 13 deletions
diff --git a/vendor/clap/src/builder/command.rs b/vendor/clap/src/builder/command.rs index 1fcb64ecc..de59ad8cd 100644 --- a/vendor/clap/src/builder/command.rs +++ b/vendor/clap/src/builder/command.rs @@ -274,6 +274,50 @@ impl<'help> App<'help> { self } + /// Allows one to mutate a [`Command`] after it's been added as a subcommand. + /// + /// This can be useful for modifying auto-generated arguments of nested subcommands with + /// [`Command::mut_arg`]. + /// + /// # Examples + /// + /// ```rust + /// # use clap::Command; + /// + /// let mut cmd = Command::new("foo") + /// .subcommand(Command::new("bar")) + /// .mut_subcommand("bar", |subcmd| subcmd.disable_help_flag(true)); + /// + /// let res = cmd.try_get_matches_from_mut(vec!["foo", "bar", "--help"]); + /// + /// // Since we disabled the help flag on the "bar" subcommand, this should err. + /// + /// assert!(res.is_err()); + /// + /// let res = cmd.try_get_matches_from_mut(vec!["foo", "bar"]); + /// assert!(res.is_ok()); + /// ``` + #[must_use] + pub fn mut_subcommand<'a, T, F>(mut self, subcmd_id: T, f: F) -> Self + where + F: FnOnce(App<'help>) -> App<'help>, + T: Into<&'a str>, + { + let subcmd_id: &str = subcmd_id.into(); + let id = Id::from(subcmd_id); + + let pos = self.subcommands.iter().position(|s| s.id == id); + + let subcmd = if let Some(idx) = pos { + self.subcommands.remove(idx) + } else { + App::new(subcmd_id) + }; + + self.subcommands.push(f(subcmd)); + self + } + /// Adds an [`ArgGroup`] to the application. /// /// [`ArgGroup`]s are a family of related arguments. @@ -700,7 +744,7 @@ impl<'help> App<'help> { /// [`io::stdout()`]: std::io::stdout() pub fn print_help(&mut self) -> io::Result<()> { self._build_self(); - let color = self.get_color(); + let color = self.color_help(); let mut c = Colorizer::new(Stream::Stdout, color); let usage = Usage::new(self); @@ -725,7 +769,7 @@ impl<'help> App<'help> { /// [`--help` (long)]: Arg::long_help() pub fn print_long_help(&mut self) -> io::Result<()> { self._build_self(); - let color = self.get_color(); + let color = self.color_help(); let mut c = Colorizer::new(Stream::Stdout, color); let usage = Usage::new(self); @@ -1604,6 +1648,14 @@ impl<'help> App<'help> { /// strings. After this setting is set, this will be *the only* usage string /// displayed to the user! /// + /// **NOTE:** Multiple usage lines may be present in the usage argument, but + /// some rules need to be followed to ensure the usage lines are formatted + /// correctly by the default help formatter: + /// + /// - Do not indent the first usage line. + /// - Indent all subsequent usage lines with four spaces. + /// - The last line must not end with a newline. + /// /// # Examples /// /// ```no_run @@ -1612,6 +1664,20 @@ impl<'help> App<'help> { /// .override_usage("myapp [-clDas] <some_file>") /// # ; /// ``` + /// + /// Or for multiple usage lines: + /// + /// ```no_run + /// # use clap::{Command, Arg}; + /// Command::new("myprog") + /// .override_usage( + /// "myapp -X [-a] [-b] <file>\n \ + /// myapp -Y [-c] <file1> <file2>\n \ + /// myapp -Z [-d|-e]" + /// ) + /// # ; + /// ``` + /// /// [`ArgMatches::usage`]: ArgMatches::usage() #[must_use] pub fn override_usage<S: Into<&'help str>>(mut self, usage: S) -> Self { @@ -3512,15 +3578,21 @@ impl<'help> App<'help> { if arg.is_global_set() { self.get_global_arg_conflicts_with(arg) } else { - arg.blacklist - .iter() - .map(|id| { - self.args.args().find(|arg| arg.id == *id).expect( - "Command::get_arg_conflicts_with: \ - The passed arg conflicts with an arg unknown to the cmd", - ) - }) - .collect() + let mut result = Vec::new(); + for id in arg.blacklist.iter() { + if let Some(arg) = self.find(id) { + result.push(arg); + } else if let Some(group) = self.find_group(id) { + result.extend( + self.unroll_args_in_group(&group.id) + .iter() + .map(|id| self.find(id).expect(INTERNAL_ERROR_MSG)), + ); + } else { + panic!("Command::get_arg_conflicts_with: The passed arg conflicts with an arg unknown to the cmd"); + } + } + result } } @@ -4264,7 +4336,8 @@ impl<'help> App<'help> { use std::fmt::Write; let mut mid_string = String::from(" "); - if !self.is_subcommand_negates_reqs_set() { + if !self.is_subcommand_negates_reqs_set() && !self.is_args_conflicts_with_subcommands_set() + { let reqs = Usage::new(self).get_required_usage_from(&[], None, true); // maybe Some(m) for s in &reqs { @@ -4347,7 +4420,9 @@ impl<'help> App<'help> { if !self.is_set(AppSettings::BinNameBuilt) { let mut mid_string = String::from(" "); - if !self.is_subcommand_negates_reqs_set() { + if !self.is_subcommand_negates_reqs_set() + && !self.is_args_conflicts_with_subcommands_set() + { let reqs = Usage::new(self).get_required_usage_from(&[], None, true); // maybe Some(m) for s in &reqs { @@ -5107,3 +5182,8 @@ where _ => None, } } + +#[test] +fn check_auto_traits() { + static_assertions::assert_impl_all!(Command: Send, Sync, Unpin); +} |