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fix(Settings): fixes an issue where settings weren't propogated down through grand-child subcommands

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In some cases settings were only propogated down one level deep, this
commit ensures settings are propogated down through all subcommands
recursively.

Closes #638
This commit is contained in:
Kevin K 2016-09-05 17:01:22 -04:00
parent 48bc038e5a
commit b3efc10751
2 changed files with 29 additions and 21 deletions
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3
src/app/mod.rs
View file

@ -1283,9 +1283,10 @@ impl<'a, 'b> App<'a, 'b> {
{
// Verify all positional assertions pass
self.p.verify_positionals();
// If there are global arguments, we need to propgate them down to subcommands
// If there are global arguments, or settings we need to propgate them down to subcommands
// before parsing incase we run into a subcommand
self.p.propogate_globals();
self.p.propogate_settings();
let mut matcher = ArgMatcher::new();

47
src/app/parser.rs
View file

@ -241,32 +241,39 @@ impl<'a, 'b> Parser<'a, 'b>
sdebugln!("No");
}
debug!("Using Setting VersionlessSubcommands...");
if self.settings.is_set(AppSettings::VersionlessSubcommands) {
sdebugln!("Yes");
subcmd.p.settings.set(AppSettings::DisableVersion);
} else {
sdebugln!("No");
}
debug!("Using Setting GlobalVersion...");
if self.settings.is_set(AppSettings::GlobalVersion) && subcmd.p.meta.version.is_none() &&
self.meta.version.is_some() {
sdebugln!("Yes");
subcmd = subcmd.setting(AppSettings::GlobalVersion)
.version(self.meta.version.unwrap());
} else {
sdebugln!("No");
}
if self.settings.is_set(AppSettings::DeriveDisplayOrder) {
subcmd.p.meta.disp_ord = self.subcommands.len();
}
for s in &self.g_settings {
subcmd.p.set(*s);
subcmd.p.g_settings.push(*s);
}
self.subcommands.push(subcmd);
}
pub fn propogate_settings(&mut self) {
for sc in &mut self.subcommands {
// We have to create a new scope in order to tell rustc the borrow of `sc` is
// done and to recursively call this method
{
let vsc = self.settings.is_set(AppSettings::VersionlessSubcommands);
let gv = self.settings.is_set(AppSettings::GlobalVersion);
debugln!("VersionlessSubcommands set...{:?}", vsc);
debugln!("GlobalVersion set...{:?}", gv);
if vsc {
sc.p.settings.set(AppSettings::DisableVersion);
}
if gv && sc.p.meta.version.is_none() && self.meta.version.is_some() {
sc.p.set(AppSettings::GlobalVersion);
sc.p.meta.version = Some(self.meta.version.unwrap());
}
for s in &self.g_settings {
sc.p.set(*s);
sc.p.g_settings.push(*s);
}
}
sc.p.propogate_settings();
}
}
pub fn required(&self) -> Iter<&str> {
self.required.iter()
}