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Merge #2831

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2831: No empty version r=pksunkara a=kbknapp



Co-authored-by: Kevin K <kbknapp@gmail.com>
This commit is contained in:
bors[bot] 2021-10-09 15:21:43 +00:00 committed by GitHub
commit 6919ee51cb
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29 changed files with 431 additions and 445 deletions
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3
CHANGELOG.md
View file

@ -11,6 +11,9 @@ TODO: `YamlLoader`
* **Renamed Features**
* `unicode_help` to `unicode` to encompass more functionality
* **Removed Settings**
* `AppSettings::DisableVersionForSubcommands`
<a name="v3.0.0-beta.4"></a>
## v3.0.0-beta.4 (2021-08-14)

6
benches/06_rustup.rs
View file

@ -26,7 +26,6 @@ fn build_cli() -> App<'static> {
.version("0.9.0") // Simulating
.about("The Rust toolchain installer")
.after_help(RUSTUP_HELP)
.setting(AppSettings::DisableVersionForSubcommands)
.setting(AppSettings::DeriveDisplayOrder)
// .setting(AppSettings::SubcommandRequiredElseHelp)
.arg(
@ -107,7 +106,6 @@ fn build_cli() -> App<'static> {
.subcommand(
App::new("target")
.about("Modify a toolchain's supported targets")
.setting(AppSettings::DisableVersionForSubcommands)
.setting(AppSettings::DeriveDisplayOrder)
// .setting(AppSettings::SubcommandRequiredElseHelp)
.subcommand(
@ -163,7 +161,6 @@ fn build_cli() -> App<'static> {
.subcommand(
App::new("component")
.about("Modify a toolchain's installed components")
.setting(AppSettings::DisableVersionForSubcommands)
.setting(AppSettings::DeriveDisplayOrder)
// .setting(AppSettings::SubcommandRequiredElseHelp)
.subcommand(
@ -210,7 +207,6 @@ fn build_cli() -> App<'static> {
App::new("override")
.about("Modify directory toolchain overrides")
.after_help(OVERRIDE_HELP)
.setting(AppSettings::DisableVersionForSubcommands)
.setting(AppSettings::DeriveDisplayOrder)
// .setting(AppSettings::SubcommandRequiredElseHelp)
.subcommand(App::new("list").about("List directory toolchain overrides"))
@ -304,7 +300,6 @@ fn build_cli() -> App<'static> {
.subcommand(
App::new("self")
.about("Modify the rustup installation")
.setting(AppSettings::DisableVersionForSubcommands)
.setting(AppSettings::DeriveDisplayOrder)
.subcommand(App::new("update").about("Download and install updates to rustup"))
.subcommand(
@ -318,7 +313,6 @@ fn build_cli() -> App<'static> {
App::new("telemetry")
.about("rustup telemetry commands")
.setting(AppSettings::Hidden)
.setting(AppSettings::DisableVersionForSubcommands)
.setting(AppSettings::DeriveDisplayOrder)
.subcommand(App::new("enable").about("Enable rustup telemetry"))
.subcommand(App::new("disable").about("Disable rustup telemetry"))

2
clap_derive/examples/example.rs
View file

@ -50,5 +50,5 @@ struct Opt {
fn main() {
let opt = Opt::parse();
println!("{:?}", opt);
println!("{:?}", opt.skipped);
}

1
clap_derive/examples/value_hints_derive.rs
View file

@ -34,7 +34,6 @@ enum GeneratorChoice {
name = "value_hints_derive",
// AppSettings::TrailingVarArg is required to use ValueHint::CommandWithArguments
setting = AppSettings::TrailingVarArg,
setting = AppSettings::DisableVersionFlag
)]
struct Opt {
/// If provided, outputs the completion file for given shell

1
clap_generate/examples/value_hints.rs
View file

@ -19,7 +19,6 @@ use std::io;
fn build_cli() -> App<'static> {
App::new("value_hints")
.setting(AppSettings::DisableVersionFlag)
// AppSettings::TrailingVarArg is required to use ValueHint::CommandWithArguments
.setting(AppSettings::TrailingVarArg)
.arg(Arg::new("generator").long("generate").possible_values([

1
clap_generate/src/generators/mod.rs
View file

@ -193,6 +193,7 @@ mod tests {
fn common() -> App<'static> {
let mut app = App::new("myapp")
.version("3.0")
.subcommand(
App::new("test").subcommand(App::new("config")).arg(
Arg::new("file")

2
clap_generate/tests/completions/bash.rs
View file

@ -6,6 +6,7 @@ fn build_app() -> App<'static> {
fn build_app_with_name(s: &'static str) -> App<'static> {
App::new(s)
.version("3.0")
.about("Tests completions")
.arg(
Arg::new("file")
@ -261,6 +262,7 @@ fn bash_with_aliases() {
fn build_app_with_aliases() -> App<'static> {
App::new("cmd")
.version("3.0")
.about("testing bash completions")
.arg(
Arg::new("flag")

2
clap_generate/tests/completions/elvish.rs
View file

@ -6,6 +6,7 @@ fn build_app() -> App<'static> {
fn build_app_with_name(s: &'static str) -> App<'static> {
App::new(s)
.version("3.0")
.about("Tests completions")
.arg(
Arg::new("file")
@ -160,6 +161,7 @@ fn elvish_with_aliases() {
fn build_app_with_aliases() -> App<'static> {
App::new("cmd")
.version("3.0")
.about("testing bash completions")
.arg(
Arg::new("flag")

3
clap_generate/tests/completions/fish.rs
View file

@ -6,6 +6,7 @@ fn build_app() -> App<'static> {
fn build_app_with_name(s: &'static str) -> App<'static> {
App::new(s)
.version("3.0")
.about("Tests completions")
.arg(
Arg::new("file")
@ -84,6 +85,7 @@ fn fish_with_special_help() {
fn build_app_special_help() -> App<'static> {
App::new("my_app")
.version("3.0")
.arg(
Arg::new("single-quotes")
.long("single-quotes")
@ -130,6 +132,7 @@ fn fish_with_aliases() {
fn build_app_with_aliases() -> App<'static> {
App::new("cmd")
.version("3.0")
.about("testing bash completions")
.arg(
Arg::new("flag")

2
clap_generate/tests/completions/powershell.rs
View file

@ -6,6 +6,7 @@ fn build_app() -> App<'static> {
fn build_app_with_name(s: &'static str) -> App<'static> {
App::new(s)
.version("3.0")
.about("Tests completions")
.arg(
Arg::new("file")
@ -192,6 +193,7 @@ fn powershell_with_aliases() {
fn build_app_with_aliases() -> App<'static> {
App::new("cmd")
.version("3.0")
.about("testing bash completions")
.arg(
Arg::new("flag")

7
clap_generate/tests/completions/zsh.rs
View file

@ -6,6 +6,7 @@ fn build_app() -> App<'static> {
fn build_app_with_name(s: &'static str) -> App<'static> {
App::new(s)
.version("3.0")
.about("Tests completions")
.arg(
Arg::new("file")
@ -250,6 +251,7 @@ fn zsh_with_special_help() {
fn build_app_special_help() -> App<'static> {
App::new("my_app")
.version("3.0")
.arg(
Arg::new("single-quotes")
.long("single-quotes")
@ -324,7 +326,9 @@ fn zsh_with_nested_subcommands() {
}
fn build_app_nested_subcommands() -> App<'static> {
App::new("first").subcommand(App::new("second").subcommand(App::new("third")))
App::new("first")
.version("3.0")
.subcommand(App::new("second").subcommand(App::new("third")))
}
static ZSH_NESTED_SUBCOMMANDS: &str = r#"#compdef my_app
@ -431,6 +435,7 @@ fn zsh_with_aliases() {
fn build_app_with_aliases() -> App<'static> {
App::new("cmd")
.version("3.0")
.about("testing bash completions")
.arg(
Arg::new("flag")

1
clap_generate/tests/value_hints.rs
View file

@ -6,7 +6,6 @@ mod completions;
pub fn build_app_with_value_hints() -> App<'static> {
App::new("my_app")
.setting(AppSettings::DisableVersionFlag)
.setting(AppSettings::TrailingVarArg)
.arg(
Arg::new("choice")

1
clap_up/src/lib.rs
View file

@ -42,6 +42,7 @@ pub fn runner() -> Runner {
&[
["DisableHelpFlags", "DisableHelpFlag"],
["DisableVersion", "DisableVersionFlag"],
// @TODO @v3 shoud be removed, not renamed
["VersionlessSubcommands", "DisableVersionForSubcommands"],
],
)

26
src/build/app/debug_asserts.rs
View file

@ -1,4 +1,8 @@
use crate::{build::arg::debug_asserts::assert_arg, App, AppSettings, ArgSettings, ValueHint};
use crate::{
build::arg::{debug_asserts::assert_arg, ArgProvider},
util::Id,
App, AppSettings, ArgSettings, ValueHint,
};
use std::cmp::Ordering;
#[derive(Eq)]
@ -44,6 +48,26 @@ pub(crate) fn assert_app(app: &App) {
let mut short_flags = vec![];
let mut long_flags = vec![];
// Invalid version flag settings
if app.version.is_none() && app.long_version.is_none() {
// PropagateVersion is meaningless if there is no version
assert!(
!app.settings.is_set(AppSettings::PropagateVersion),
"No version information via App::version or App::long_version to propagate"
);
// Used `App::mut_arg("version", ..) but did not provide any version information to display
let has_mutated_version = app
.args
.args()
.any(|x| x.id == Id::version_hash() && x.provider == ArgProvider::GeneratedMutated);
if has_mutated_version {
assert!(app.settings.is_set(AppSettings::NoAutoVersion),
"Used App::mut_arg(\"version\", ..) without providing App::version, App::long_version or using AppSettings::NoAutoVersion");
}
}
for sc in &app.subcommands {
if let Some(s) = sc.short_flag.as_ref() {
short_flags.push(Flag::App(format!("-{}", s), &sc.name));

69
src/build/app/mod.rs
View file

@ -1179,9 +1179,7 @@ impl<'help> App<'help> {
/// assert_eq!(m.subcommand_name(), Some("test"));
/// ```
pub fn short_flag_alias(mut self, name: char) -> Self {
if name == '-' {
panic!("short alias name cannot be `-`");
}
assert!(!(name == '-'), "short alias name cannot be `-`");
self.short_flag_aliases.push((name, false));
self
}
@ -1261,9 +1259,7 @@ impl<'help> App<'help> {
/// ```
pub fn short_flag_aliases(mut self, names: &[char]) -> Self {
for s in names {
if s == &'-' {
panic!("short alias name cannot be `-`");
}
assert!(s != &'-', "short alias name cannot be `-`");
self.short_flag_aliases.push((*s, false));
}
self
@ -1341,9 +1337,7 @@ impl<'help> App<'help> {
/// ```
/// [`App::short_flag_alias`]: App::short_flag_alias()
pub fn visible_short_flag_alias(mut self, name: char) -> Self {
if name == '-' {
panic!("short alias name cannot be `-`");
}
assert!(name != '-', "short alias name cannot be `-`");
self.short_flag_aliases.push((name, true));
self
}
@ -1414,9 +1408,7 @@ impl<'help> App<'help> {
/// [`App::short_flag_aliases`]: App::short_flag_aliases()
pub fn visible_short_flag_aliases(mut self, names: &[char]) -> Self {
for s in names {
if s == &'-' {
panic!("short alias name cannot be `-`");
}
assert!(!(s == &'-'), "short alias name cannot be `-`");
self.short_flag_aliases.push((*s, true));
}
self
@ -2323,13 +2315,11 @@ impl<'help> App<'help> {
.map(|arg| String::from(arg.name))
.collect();
if !args_missing_help.is_empty() {
panic!(
assert!(args_missing_help.is_empty(),
"AppSettings::HelpRequired is enabled for the App {}, but at least one of its arguments does not have either `help` or `long_help` set. List of such arguments: {}",
self.name,
args_missing_help.join(", ")
);
}
}
for sub_app in &self.subcommands {
@ -2395,18 +2385,13 @@ impl<'help> App<'help> {
// We have to create a new scope in order to tell rustc the borrow of `sc` is
// done and to recursively call this method
{
if $_self
.settings
.is_set(AppSettings::DisableVersionForSubcommands)
{
$sc.set(AppSettings::DisableVersionFlag);
}
if $_self.settings.is_set(AppSettings::PropagateVersion)
&& $sc.version.is_none()
&& $_self.version.is_some()
{
$sc.version = Some($_self.version.unwrap());
if $_self.settings.is_set(AppSettings::PropagateVersion) {
if $sc.version.is_none() && $_self.version.is_some() {
$sc.version = Some($_self.version.unwrap());
}
if $sc.long_version.is_none() && $_self.long_version.is_some() {
$sc.long_version = Some($_self.long_version.unwrap());
}
}
$sc.settings = $sc.settings | $_self.g_settings;
@ -2464,7 +2449,14 @@ impl<'help> App<'help> {
}
}
if self.is_set(AppSettings::DisableVersionFlag)
// Determine if we should remove the generated --version flag
//
// Note that if only mut_arg() was used, the first expression will evaluate to `true`
// however inside the condition block, we only check for Generated args, not
// GeneratedMutated args, so the `mut_arg("version", ..) will be skipped and fall through
// to the following condition below (Adding the short `-V`)
if self.settings.is_set(AppSettings::DisableVersionFlag)
|| (self.version.is_none() && self.long_version.is_none())
|| self.args.args().any(|x| {
x.provider == ArgProvider::User
&& (x.long == Some("version") || x.id == Id::version_hash())
@ -2476,6 +2468,8 @@ impl<'help> App<'help> {
{
debug!("App::_check_help_and_version: Removing generated version");
// This is the check mentioned above that only checks for Generated, not
// GeneratedMuated args by design.
let generated_version_pos = self
.args
.args()
@ -2484,7 +2478,16 @@ impl<'help> App<'help> {
if let Some(index) = generated_version_pos {
self.args.remove(index);
}
} else {
}
// If we still have a generated --version flag, determine if we can apply the short `-V`
if self.args.args().any(|x| {
x.id == Id::version_hash()
&& matches!(
x.provider,
ArgProvider::Generated | ArgProvider::GeneratedMutated
)
}) {
let other_arg_has_short = self.args.args().any(|x| x.short == Some('V'));
let version = self
.args
@ -2520,6 +2523,7 @@ impl<'help> App<'help> {
.args_mut()
.filter(|a| !a.is_positional())
.filter(|a| a.disp_ord == 999)
.filter(|a| a.provider != ArgProvider::Generated)
.enumerate()
{
a.disp_ord = i;
@ -2647,9 +2651,10 @@ impl<'help> App<'help> {
#[inline]
pub(crate) fn contains_short(&self, s: char) -> bool {
if !self.is_set(AppSettings::Built) {
panic!("If App::_build hasn't been called, manually search through Arg shorts");
}
assert!(
self.is_set(AppSettings::Built),
"If App::_build hasn't been called, manually search through Arg shorts"
);
self.args.contains(s)
}

68
src/build/app/settings.rs
View file

@ -130,8 +130,6 @@ impl_settings! { AppSettings, AppFlags,
=> Flags::NEXT_LINE_HELP,
IgnoreErrors("ignoreerrors")
=> Flags::IGNORE_ERRORS,
DisableVersionForSubcommands("disableversionforsubcommands")
=> Flags::DISABLE_VERSION_FOR_SC,
WaitOnError("waitonerror")
=> Flags::WAIT_ON_ERROR,
Built("built")
@ -653,27 +651,6 @@ pub enum AppSettings {
/// ```
DisableVersionFlag,
/// Disables `-V` and `--version` for all [`subcommands`] of this [`App`].
///
/// # Examples
///
/// ```rust
/// # use clap::{App, AppSettings, ErrorKind};
/// let res = App::new("myprog")
/// .version("v1.1")
/// .setting(AppSettings::DisableVersionForSubcommands)
/// .subcommand(App::new("test"))
/// .try_get_matches_from(vec![
/// "myprog", "test", "-V"
/// ]);
/// assert!(res.is_err());
/// assert_eq!(res.unwrap_err().kind, ErrorKind::UnknownArgument);
/// ```
///
/// [`subcommands`]: crate::App::subcommand()
/// [`App`]: crate::App
DisableVersionForSubcommands,
/// Displays the arguments and [`subcommands`] in the help message in the order that they were
/// declared in, and not alphabetically which is the default.
///
@ -1036,10 +1013,45 @@ pub enum AppSettings {
/// ```
WaitOnError,
/// @TODO-v3: @docs write them...maybe rename
/// Tells clap to treat the auto-generated `-h, --help` flags just like any other flag, and
/// *not* print the help message. This allows one to handle printing of the help message
/// manually.
///
/// ```rust
/// # use clap::{App, AppSettings};
/// let result = App::new("myprog")
/// .setting(AppSettings::NoAutoHelp)
/// .try_get_matches_from("myprog --help".split(" "));
///
/// // Normally, if `--help` is used clap prints the help message and returns an
/// // ErrorKind::DisplayHelp
/// //
/// // However, `--help` was treated like a normal flag
///
/// assert!(result.is_ok());
/// assert!(result.unwrap().is_present("help"));
/// ```
NoAutoHelp,
/// @TODO-v3: @docs write them...maybe rename
/// Tells clap to treat the auto-generated `-V, --version` flags just like any other flag, and
/// *not* print the version message. This allows one to handle printing of the version message
/// manually.
///
/// ```rust
/// # use clap::{App, AppSettings};
/// let result = App::new("myprog")
/// .version("3.0")
/// .setting(AppSettings::NoAutoVersion)
/// .try_get_matches_from("myprog --version".split(" "));
///
/// // Normally, if `--version` is used clap prints the version message and returns an
/// // ErrorKind::DisplayVersion
/// //
/// // However, `--version` was treated like a normal flag
///
/// assert!(result.is_ok());
/// assert!(result.unwrap().is_present("version"));
/// ```
NoAutoVersion,
#[doc(hidden)]
@ -1180,12 +1192,6 @@ mod test {
"unifiedhelpmessage".parse::<AppSettings>().unwrap(),
AppSettings::UnifiedHelpMessage
);
assert_eq!(
"disableversionforsubcommands"
.parse::<AppSettings>()
.unwrap(),
AppSettings::DisableVersionForSubcommands
);
assert_eq!(
"waitonerror".parse::<AppSettings>().unwrap(),
AppSettings::WaitOnError

20
src/build/arg/mod.rs
View file

@ -352,9 +352,7 @@ impl<'help> Arg<'help> {
/// [`short`]: Arg::short()
#[inline]
pub fn short(mut self, s: char) -> Self {
if s == '-' {
panic!("short option name cannot be `-`");
}
assert!(s != '-', "short option name cannot be `-`");
self.short = Some(s);
self
@ -447,9 +445,7 @@ impl<'help> Arg<'help> {
/// assert_eq!(m.value_of("test"), Some("cool"));
/// ```
pub fn short_alias(mut self, name: char) -> Self {
if name == '-' {
panic!("short alias name cannot be `-`");
}
assert!(name != '-', "short alias name cannot be `-`");
self.short_aliases.push((name, false));
self
@ -502,9 +498,7 @@ impl<'help> Arg<'help> {
/// ```
pub fn short_aliases(mut self, names: &[char]) -> Self {
for s in names {
if s == &'-' {
panic!("short alias name cannot be `-`");
}
assert!(s != &'-', "short alias name cannot be `-`");
self.short_aliases.push((*s, false));
}
self
@ -554,9 +548,7 @@ impl<'help> Arg<'help> {
/// ```
/// [`App::alias`]: Arg::short_alias()
pub fn visible_short_alias(mut self, name: char) -> Self {
if name == '-' {
panic!("short alias name cannot be `-`");
}
assert!(name != '-', "short alias name cannot be `-`");
self.short_aliases.push((name, true));
self
@ -603,9 +595,7 @@ impl<'help> Arg<'help> {
/// [`App::aliases`]: Arg::short_aliases()
pub fn visible_short_aliases(mut self, names: &[char]) -> Self {
for n in names {
if n == &'-' {
panic!("short alias name cannot be `-`");
}
assert!(n != &'-', "short alias name cannot be `-`");
self.short_aliases.push((*n, true));
}
self

1
src/parse/errors.rs
View file

@ -394,6 +394,7 @@ pub enum ErrorKind {
/// ```rust
/// # use clap::{App, Arg, ErrorKind};
/// let result = App::new("prog")
/// .version("3.0")
/// .try_get_matches_from(vec!["prog", "--version"]);
/// assert!(result.is_err());
/// assert_eq!(result.unwrap_err().kind, ErrorKind::DisplayVersion);

70
tests/app_settings.rs
View file

@ -116,9 +116,6 @@ ARGS:
FLAGS:
-h, --help
Print help information
-V, --version
Print version information
";
static LONG_FORMAT_FOR_NESTED_HELP_SUBCOMMAND: &str = "myprog-test-nested
@ -131,12 +128,9 @@ USAGE:
FLAGS:
-h, --help
Print help information
-V, --version
Print version information
";
static LONG_FORMAT_SINGLE_ARG_HELP_SUBCOMMAND: &str = "myprog
static LONG_FORMAT_SINGLE_ARG_HELP_SUBCOMMAND: &str = "myprog 1.0
USAGE:
myprog [foo] [SUBCOMMAND]
@ -1167,6 +1161,7 @@ fn nested_help_subcommand_with_global_setting() {
#[test]
fn single_arg_help_with_long_format_setting() {
let m = App::new("myprog")
.version("1.0")
.setting(AppSettings::UseLongFormatForHelpSubcommand)
.subcommand(App::new("test"))
.arg(
@ -1200,3 +1195,64 @@ fn use_long_format_for_help_subcommand_with_setting() {
false
));
}
#[test]
fn no_auto_help() {
let app = App::new("myprog")
.setting(AppSettings::NoAutoHelp)
.subcommand(App::new("foo"));
let result = app.clone().try_get_matches_from("myprog --help".split(" "));
assert!(result.is_ok());
assert!(result.unwrap().is_present("help"));
let result = app.clone().try_get_matches_from("myprog -h".split(" "));
assert!(result.is_ok());
assert!(result.unwrap().is_present("help"));
let result = app.clone().try_get_matches_from("myprog help".split(" "));
assert!(result.is_ok());
assert_eq!(result.unwrap().subcommand_name(), Some("help"));
}
#[test]
fn no_auto_version() {
let app = App::new("myprog")
.version("3.0")
.setting(AppSettings::NoAutoVersion);
let result = app
.clone()
.try_get_matches_from("myprog --version".split(" "));
assert!(result.is_ok());
assert!(result.unwrap().is_present("version"));
let result = app.clone().try_get_matches_from("myprog -V".split(" "));
assert!(result.is_ok());
assert!(result.unwrap().is_present("version"));
}
#[test]
fn no_auto_version_mut_arg() {
let app = App::new("myprog")
.version("3.0")
.mut_arg("version", |v| v.about("custom about"))
.setting(AppSettings::NoAutoVersion);
let result = app
.clone()
.try_get_matches_from("myprog --version".split(" "));
assert!(result.is_ok());
assert!(result.unwrap().is_present("version"));
let result = app.clone().try_get_matches_from("myprog -V".split(" "));
assert!(result.is_ok());
assert!(result.unwrap().is_present("version"));
}

6
tests/cargo.rs
View file

@ -67,10 +67,12 @@ fn crate_authors() {
#[test]
fn crate_name() {
let res = App::new(crate_name!()).try_get_matches_from(vec!["clap", "--version"]);
let res = App::new(crate_name!())
.version("3.0")
.try_get_matches_from(vec!["clap", "--version"]);
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "clap \n");
assert_eq!(err.to_string(), "clap 3.0\n");
}

10
tests/derive_order.rs
View file

@ -26,10 +26,10 @@ USAGE:
test [FLAGS] [OPTIONS]
FLAGS:
-h, --help Print help information
-V, --version Print version information
--flag_b first flag
--flag_a second flag
-h, --help Print help information
-V, --version Print version information
OPTIONS:
--option_b <option_b> first option
@ -56,12 +56,12 @@ USAGE:
test [OPTIONS]
OPTIONS:
-h, --help Print help information
-V, --version Print version information
--flag_b first flag
--option_b <option_b> first option
--flag_a second flag
--option_a <option_a> second option
-h, --help Print help information
-V, --version Print version information
";
static DERIVE_ORDER_SC_PROP: &str = "test-sub 1.2
@ -128,10 +128,10 @@ USAGE:
test [FLAGS]
FLAGS:
-V, --version Print version information
-h, --help Print help message
--flag_b first flag
--flag_a second flag
-V, --version Print version information
";
static PREFER_USER_HELP_SUBCMD_DERIVE_ORDER: &str = "test-sub 1.2

3
tests/display_order.rs
View file

@ -15,8 +15,7 @@ USAGE:
test [SUBCOMMAND]
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
SUBCOMMANDS:
help Print this message or the help of the given subcommand(s)

9
tests/double_require.rs
View file

@ -6,11 +6,10 @@ USAGE:
prog [FLAGS]
FLAGS:
-a
-b
-c
-h, --help Print help information
-V, --version Print version information
-a
-b
-c
-h, --help Print help information
";
static ONLY_B_ERROR: &str = "error: The following required arguments were not provided:

9
tests/flag_subcommands.rs
View file

@ -431,8 +431,7 @@ USAGE:
pacman {query, --query, -Q} [OPTIONS]
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
OPTIONS:
-i, --info <info>... view package information
@ -489,8 +488,7 @@ USAGE:
pacman {query, --query} [OPTIONS]
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
OPTIONS:
-i, --info <info>... view package information
@ -546,8 +544,7 @@ USAGE:
pacman {query, -Q} [OPTIONS]
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
OPTIONS:
-i, --info <info>... view package information

3
tests/groups.rs
View file

@ -266,8 +266,7 @@ ARGS:
<A>
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
";
let app = App::new("prog")
.arg(Arg::new("a").value_name("A"))

86
tests/help.rs
View file

@ -403,9 +403,6 @@ FLAGS:
-h, --help
Print help information
-V, --version
Print version information
";
static HELP_CONFLICT: &str = "conflict
@ -414,9 +411,8 @@ USAGE:
conflict [FLAGS]
FLAGS:
-h
--help Print help information
-V, --version Print version information
-h
--help Print help information
";
static LAST_ARG: &str = "last 0.1
@ -612,8 +608,7 @@ ARGS:
<arg2>
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
";
static ISSUE_1364: &str = "demo
@ -625,9 +620,8 @@ ARGS:
<FILES>...
FLAGS:
-f
-h, --help Print help information
-V, --version Print version information
-f
-h, --help Print help information
";
static OPTION_USAGE_ORDER: &str = "order
@ -643,7 +637,6 @@ FLAGS:
-s
--select_file
--select_folder
-V, --version Print version information
-x
";
@ -919,9 +912,6 @@ FLAGS:
--no-git-push
Do not push generated commit and tags to git remote
-V, --version
Print version information
";
let app = App::new("test")
.term_width(67)
@ -971,7 +961,6 @@ FLAGS:
--no-git-commit Do not commit version changes
--no-git-push Do not push generated commit and tags to
git remote
-V, --version Print version information
";
let app = App::new("test")
.term_width(68)
@ -1335,8 +1324,7 @@ USAGE:
hello [OPTIONS]
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
OPTIONS:
-p, --package <name>
@ -2267,7 +2255,6 @@ fn option_usage_order() {
fn about_in_subcommands_list() {
let app = App::new("about-in-subcommands-list")
.setting(AppSettings::ColorNever)
.global_setting(AppSettings::DisableVersionFlag)
.subcommand(
App::new("sub")
.long_about("long about sub")
@ -2296,7 +2283,6 @@ ARGS:
FLAGS:
-h, --help Print help information
--option1
-V, --version Print version information
";
let app = clap::App::new("hello")
@ -2359,7 +2345,8 @@ USAGE:
test
FLAGS:
-h, --help Print help information
-h, --help Print help information
-V, --version Print version information
NETWORKING:
-s, --speed <SPEED> How fast
@ -2369,7 +2356,6 @@ NETWORKING:
fn only_custom_heading_opts() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.help_heading("NETWORKING")
.arg(Arg::from("-s, --speed [SPEED] 'How fast'"));
@ -2390,7 +2376,8 @@ ARGS:
<gear> Which gear
FLAGS:
-h, --help Print help information
-h, --help Print help information
-V, --version Print version information
NETWORKING:
<speed> How fast
@ -2400,7 +2387,6 @@ NETWORKING:
fn custom_heading_pos() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.arg(Arg::new("gear").about("Which gear"))
.help_heading("NETWORKING")
.arg(Arg::new("speed").about("How fast"));
@ -2419,7 +2405,8 @@ USAGE:
test [speed]
FLAGS:
-h, --help Print help information
-h, --help Print help information
-V, --version Print version information
NETWORKING:
<speed> How fast
@ -2429,7 +2416,6 @@ NETWORKING:
fn only_custom_heading_pos() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.help_heading("NETWORKING")
.arg(Arg::new("speed").about("How fast"));
@ -2538,8 +2524,7 @@ USAGE:
my_app [OPTIONS]
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
OPTIONS:
--some_arg <some_arg> <some_arg>
@ -2568,8 +2553,7 @@ ARGS:
<arg2>
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
",
false
));
@ -2596,8 +2580,7 @@ ARGS:
<baz>...
FLAGS:
-h, --help Print help information
-V, --version Print version information
-h, --help Print help information
",
false
));
@ -2605,38 +2588,27 @@ FLAGS:
#[test]
fn disabled_help_flag() {
let app = App::new("foo")
let res = App::new("foo")
.subcommand(App::new("sub"))
.setting(AppSettings::DisableHelpFlag);
assert!(utils::compare_output(
app,
"foo a",
"error: Found argument 'a' which wasn't expected, or isn't valid in this context
USAGE:
foo [SUBCOMMAND]
For more information try help
",
true
));
.setting(AppSettings::DisableHelpFlag)
.try_get_matches_from("foo a".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::UnrecognizedSubcommand);
assert_eq!(err.info, &["a"]);
}
#[test]
fn disabled_help_flag_and_subcommand() {
let app = App::new("foo")
let res = App::new("foo")
.subcommand(App::new("sub"))
.setting(AppSettings::DisableHelpFlag)
.setting(AppSettings::DisableHelpSubcommand);
assert!(utils::compare_output(
app,
"foo help",
"error: Found argument 'help' which wasn't expected, or isn't valid in this context
USAGE:
foo [SUBCOMMAND]",
true
));
.setting(AppSettings::DisableHelpSubcommand)
.try_get_matches_from("foo help".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::UnrecognizedSubcommand);
assert_eq!(err.info, &["help"]);
}
#[test]

46
tests/hidden_args.rs
View file

@ -233,8 +233,8 @@ OPTIONS:
fn hidden_flag_args() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.mut_arg("help", |a| a.hidden(true))
.mut_arg("version", |a| a.hidden(true))
.args(&[Arg::from("--option [opt] 'some option'")]);
assert!(utils::compare_output(
@ -251,19 +251,17 @@ USAGE:
test [FLAGS]
FLAGS:
--flag some flag
-h, --help Print help information
--flag some flag
-h, --help Print help information
-V, --version Print version information
";
#[test]
fn hidden_opt_args() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.args(&[
Arg::from("--flag 'some flag'"),
Arg::from("--option [opt] 'some option'").hidden(true),
]);
let app = App::new("test").version("1.4").args(&[
Arg::from("--flag 'some flag'"),
Arg::from("--option [opt] 'some option'").hidden(true),
]);
assert!(utils::compare_output(
app,
@ -282,18 +280,16 @@ ARGS:
<another> another pos
FLAGS:
-h, --help Print help information
-h, --help Print help information
-V, --version Print version information
";
#[test]
fn hidden_pos_args() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.args(&[
Arg::new("pos").about("some pos").hidden(true),
Arg::new("another").about("another pos"),
]);
let app = App::new("test").version("1.4").args(&[
Arg::new("pos").about("some pos").hidden(true),
Arg::new("another").about("another pos"),
]);
assert!(utils::compare_output(
app,
@ -309,14 +305,14 @@ USAGE:
test
FLAGS:
-h, --help Print help information
-h, --help Print help information
-V, --version Print version information
";
#[test]
fn hidden_subcmds() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.subcommand(App::new("sub").setting(AppSettings::Hidden));
assert!(utils::compare_output(
@ -339,9 +335,9 @@ After help
fn hidden_flag_args_only() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.after_help("After help")
.mut_arg("help", |a| a.hidden(true));
.mut_arg("help", |a| a.hidden(true))
.mut_arg("version", |a| a.hidden(true));
assert!(utils::compare_output(
app,
@ -363,9 +359,9 @@ After help
fn hidden_opt_args_only() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.after_help("After help")
.mut_arg("help", |a| a.hidden(true))
.mut_arg("version", |a| a.hidden(true))
.args(&[Arg::from("--option [opt] 'some option'").hidden(true)]);
assert!(utils::compare_output(
@ -388,9 +384,9 @@ After help
fn hidden_pos_args_only() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.after_help("After help")
.mut_arg("help", |a| a.hidden(true))
.mut_arg("version", |a| a.hidden(true))
.args(&[Arg::new("pos").about("some pos").hidden(true)]);
assert!(utils::compare_output(
@ -413,9 +409,9 @@ After help
fn hidden_subcmds_only() {
let app = App::new("test")
.version("1.4")
.setting(AppSettings::DisableVersionFlag)
.after_help("After help")
.mut_arg("help", |a| a.hidden(true))
.mut_arg("version", |a| a.hidden(true))
.subcommand(App::new("sub").setting(AppSettings::Hidden));
assert!(utils::compare_output(

1
tests/macros.rs
View file

@ -32,7 +32,6 @@ fn basic() {
(about: "tests clap library")
(author: "Kevin K. <kbknapp@gmail.com>")
(@global_setting ColorNever)
(@setting DisableVersionForSubcommands)
(@arg opt: -o --option +takes_value ... "tests options")
(@arg positional: index(1) "tests positionals")
(@arg flag: -f --flag ... +global "tests flags")

417
tests/version.rs
View file

@ -4,216 +4,152 @@ use std::str;
use clap::{App, AppSettings, Arg, ErrorKind};
static VERSION: &str = "clap-test v1.4.8\n";
fn common() -> App<'static> {
App::new("foo")
}
fn with_version() -> App<'static> {
common().version("3.0")
}
fn with_long_version() -> App<'static> {
common().long_version("3.0 (abcdefg)")
}
fn with_subcommand() -> App<'static> {
with_version().subcommand(App::new("bar").subcommand(App::new("baz")))
}
#[test]
fn version_short() {
let m = App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
.long_version("1.3 (abcdef12)")
.try_get_matches_from(vec!["myprog", "-V"]);
fn no_version_flag_short() {
let res = common().try_get_matches_from("foo -V".split(" "));
assert!(m.is_err());
let err = m.unwrap_err();
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, clap::ErrorKind::UnknownArgument);
assert_eq!(err.info, ["-V"]);
}
#[test]
fn no_version_flag_long() {
let res = common().try_get_matches_from("foo --version".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, clap::ErrorKind::UnknownArgument);
assert_eq!(err.info, ["--version"]);
}
#[test]
fn version_flag_from_version_short() {
let res = with_version().try_get_matches_from("foo -V".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3\n");
assert_eq!(err.to_string(), "foo 3.0\n");
}
#[test]
fn version_long() {
let m = App::new("test")
.author("Kevin K.")
.about("tests stuff")
.version("1.3")
.long_version("1.3 (abcdef12)")
.try_get_matches_from(vec!["myprog", "--version"]);
fn version_flag_from_version_long() {
let res = with_version().try_get_matches_from("foo --version".split(" "));
assert!(m.is_err());
let err = m.unwrap_err();
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3 (abcdef12)\n");
assert_eq!(err.to_string(), "foo 3.0\n");
}
#[test]
fn complex_version_output() {
let mut a = App::new("clap-test").version("v1.4.8");
let _ = a.try_get_matches_from_mut(vec![""]);
fn version_flag_from_long_version_short() {
let res = with_long_version().try_get_matches_from("foo -V".split(" "));
// Now we check the output of print_version()
assert_eq!(a.render_version(), VERSION);
}
fn prefer_user_app() -> App<'static> {
App::new("test")
.version("1.3")
.arg(
Arg::new("version1")
.long("version")
.short('V')
.about("some version"),
)
.subcommand(
App::new("foo").arg(
Arg::new("version1")
.long("version")
.short('V')
.about("some version"),
),
)
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "foo 3.0 (abcdefg)\n");
}
#[test]
fn prefer_user_version_long() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "--version"]);
fn version_flag_from_long_version_long() {
let res = with_long_version().try_get_matches_from("foo --version".split(" "));
assert!(m.is_ok());
assert!(m.unwrap().is_present("version1"));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "foo 3.0 (abcdefg)\n");
}
#[test]
fn prefer_user_version_short() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "-V"]);
fn override_version_long_with_user_flag() {
let res = with_version()
.arg(Arg::new("ver").long("version"))
.try_get_matches_from("foo --version".split(" "));
assert!(m.is_ok());
assert!(m.unwrap().is_present("version1"));
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("ver"));
}
#[test]
fn prefer_user_subcmd_version_long() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "foo", "--version"]);
fn override_version_long_with_user_flag_no_version_flag() {
let res = with_version()
.arg(Arg::new("ver").long("version"))
.try_get_matches_from("foo -V".split(" "));
assert!(m.is_ok());
assert!(m
.unwrap()
.subcommand_matches("foo")
.unwrap()
.is_present("version1"));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::UnknownArgument);
}
#[test]
fn prefer_user_subcmd_version_short() {
let m = prefer_user_app().try_get_matches_from(vec!["test", "foo", "-V"]);
fn override_version_short_with_user_flag() {
let res = with_version()
.arg(Arg::new("ver").short('V'))
.try_get_matches_from("foo -V".split(" "));
assert!(m.is_ok());
assert!(m
.unwrap()
.subcommand_matches("foo")
.unwrap()
.is_present("version1"));
assert!(res.is_ok());
let m = res.unwrap();
assert!(m.is_present("ver"));
}
static OVERRIDE_VERSION_SHORT: &str = "test 1.3
#[test]
fn override_version_short_with_user_flag_long_still_works() {
let res = with_version()
.arg(Arg::new("ver").short('V'))
.try_get_matches_from("foo --version".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
}
#[test]
fn mut_version_short() {
let res = with_version()
.mut_arg("version", |a| a.short('z'))
.try_get_matches_from("foo -z".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
}
#[test]
fn mut_version_long() {
let res = with_version()
.mut_arg("version", |a| a.long("qux"))
.try_get_matches_from("foo --qux".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
}
static VERSION_ABOUT_MULTI_SC: &str = "foo-bar-baz 3.0
USAGE:
test
FLAGS:
-h, --help Print help information
-v, --version Print version information
";
#[test]
fn override_version_short() {
let app = App::new("test")
.version("1.3")
.mut_arg("version", |a| a.short('v'));
let m = app.clone().try_get_matches_from(vec!["test", "-v"]);
assert!(m.is_err());
let err = m.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3\n");
let m = app.clone().try_get_matches_from(vec!["test", "--version"]);
assert!(m.is_err());
let err = m.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3\n");
assert!(utils::compare_output(
app,
"test -h",
OVERRIDE_VERSION_SHORT,
false
));
}
static OVERRIDE_VERSION_LONG: &str = "test 1.3
USAGE:
test [FLAGS]
FLAGS:
-h, --help Print help information
-V, --vers Print version information
";
#[test]
fn override_version_long() {
let app = App::new("test")
.version("1.3")
.mut_arg("version", |a| a.long("vers"));
let m = app.clone().try_get_matches_from(vec!["test", "-V"]);
assert!(m.is_err());
let err = m.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3\n");
let m = app.clone().try_get_matches_from(vec!["test", "--vers"]);
assert!(m.is_err());
let err = m.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
assert_eq!(err.to_string(), "test 1.3\n");
assert!(utils::compare_output(
app,
"test -h",
OVERRIDE_VERSION_LONG,
false
));
}
static OVERRIDE_VERSION_ABOUT: &str = "test 1.3
USAGE:
test
FLAGS:
-h, --help Print help information
-V, --version version info
";
#[test]
fn override_version_about() {
let app = App::new("test")
.version("1.3")
.mut_arg("version", |a| a.about("version info"));
assert!(utils::compare_output(
app.clone(),
"test -h",
OVERRIDE_VERSION_ABOUT,
false
));
assert!(utils::compare_output(
app,
"test --help",
OVERRIDE_VERSION_ABOUT,
false
));
}
static VERSION_ABOUT_MULTI_SC: &str = "myapp-subcmd-multi 1.0
USAGE:
myapp subcmd multi
foo bar baz
FLAGS:
-h, --help Print help information
@ -222,92 +158,87 @@ FLAGS:
#[test]
fn version_about_multi_subcmd() {
let app = App::new("myapp")
let app = with_subcommand()
.mut_arg("version", |a| a.about("Print custom version about text"))
.subcommand(App::new("subcmd").subcommand(App::new("multi").version("1.0")));
assert!(utils::compare_output(
app.clone(),
"myapp help subcmd multi",
VERSION_ABOUT_MULTI_SC,
false
));
assert!(utils::compare_output(
app.clone(),
"myapp subcmd multi -h",
VERSION_ABOUT_MULTI_SC,
false
));
assert!(utils::compare_output(
app,
"myapp subcmd multi --help",
VERSION_ABOUT_MULTI_SC,
false
));
}
static VERSION_ABOUT_MULTI_SC_OVERRIDE: &str = "myapp-subcmd-multi 1.0
USAGE:
myapp subcmd multi
FLAGS:
-h, --help Print help information
-V, --version Print custom version about text from multi
";
#[test]
fn version_about_multi_subcmd_override() {
let app = App::new("myapp")
.mut_arg("version", |a| a.about("Print custom version about text"))
.subcommand(App::new("subcmd").subcommand(
App::new("multi").version("1.0").mut_arg("version", |a| {
a.about("Print custom version about text from multi")
}),
));
.global_setting(AppSettings::PropagateVersion);
assert!(utils::compare_output(
app,
"myapp help subcmd multi",
VERSION_ABOUT_MULTI_SC_OVERRIDE,
"foo bar baz -h",
VERSION_ABOUT_MULTI_SC,
false
));
}
#[test]
fn disabled_version_long() {
let app = App::new("foo").setting(AppSettings::DisableVersionFlag);
let res = app.try_get_matches_from(&["foo", "--version"]);
fn no_propagation_by_default_long() {
// Version Flag should not be propagated to subcommands
let res = with_subcommand().try_get_matches_from("foo bar --version".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, clap::ErrorKind::UnknownArgument);
assert_eq!(err.info, ["--version"]);
assert_eq!(err.kind, ErrorKind::UnknownArgument);
assert_eq!(err.info, &["--version"]);
}
#[test]
fn disabled_version_short() {
let app = App::new("foo").setting(AppSettings::DisableVersionFlag);
let res = app.try_get_matches_from(&["foo", "-V"]);
fn no_propagation_by_default_short() {
let res = with_subcommand().try_get_matches_from("foo bar -V".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, clap::ErrorKind::UnknownArgument);
assert_eq!(err.info, ["-V"]);
assert_eq!(err.kind, ErrorKind::UnknownArgument);
assert_eq!(err.info, &["-V"]);
}
#[test]
fn override_version_using_long() {
let app = App::new("foo")
.setting(AppSettings::DisableVersionFlag)
.arg(Arg::new("version").long("version"));
let matches = app.get_matches_from(&["foo", "--version"]);
assert!(matches.is_present("version"));
fn propagate_version_long() {
let res = with_subcommand()
.setting(AppSettings::PropagateVersion)
.try_get_matches_from("foo bar --version".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
}
#[test]
fn override_version_using_short() {
let app = App::new("foo")
.arg(Arg::new("version").short('V'))
.setting(AppSettings::DisableVersionFlag);
let matches = app.get_matches_from(&["foo", "-V"]);
assert!(matches.is_present("version"));
fn propagate_version_short() {
let res = with_subcommand()
.setting(AppSettings::PropagateVersion)
.try_get_matches_from("foo bar -V".split(" "));
assert!(res.is_err());
let err = res.unwrap_err();
assert_eq!(err.kind, ErrorKind::DisplayVersion);
}
#[cfg(debug_assertions)]
#[test]
#[should_panic = "Used App::mut_arg(\"version\", ..) without providing App::version, App::long_version or using AppSettings::NoAutoVersion"]
fn mut_arg_version_panic() {
let _res = common()
.mut_arg("version", |v| v.short('z'))
.try_get_matches_from("foo -z".split(" "));
}
#[test]
fn mut_arg_version_no_auto_version() {
let res = common()
.mut_arg("version", |v| v.short('z'))
.setting(AppSettings::NoAutoVersion)
.try_get_matches_from("foo -z".split(" "));
assert!(res.is_ok());
assert!(res.unwrap().is_present("version"));
}
#[cfg(debug_assertions)]
#[test]
#[should_panic = "No version information via App::version or App::long_version to propagate"]
fn propagate_version_no_version_info() {
let _res = common()
.setting(AppSettings::PropagateVersion)
.subcommand(App::new("bar"))
.try_get_matches_from("foo".split(" "));
}