Add structopt dependency in version 0.3.7

This patch series replaces argparse with structopt in the argument
handling code. As a first step, we need structopt as a dependency.

Import subrepo structopt/:structopt at efbdda4753592e27bc430fb01f7b9650b2f3174d
Import subrepo bitflags/:bitflags at 30668016aca6bd3b02c766e8347e0b4080d4c296
Import subrepo clap/:clap at 784524f7eb193e35f81082cc69454c8c21b948f7
Import subrepo heck/:heck at 093d56fbf001e1506e56dbfa38631d99b1066df1
Import subrepo proc-macro-error/:proc-macro-error at 6c4cfe79a622c5de8ae68557993542be46eacae2
Import subrepo proc-macro2/:proc-macro2 at d5d48eddca4566e5438e8a2cbed4a74e049544de
Import subrepo quote/:quote at 727436c6c137b20f0f34dde5d8fda2679b9747ad
Import subrepo rustversion/:rustversion at 0c5663313516263059ce9059ef81fc7a1cf655ca
Import subrepo syn-mid/:syn-mid at 5d3d85414a9e6674e1857ec22a87b96e04a6851a
Import subrepo syn/:syn at e87c27e87f6f4ef8919d0372bdb056d53ef0d8f3
Import subrepo textwrap/:textwrap at abcd618beae3f74841032aa5b53c1086b0a57ca2
Import subrepo unicode-segmentation/:unicode-segmentation at 637c9874c4fe0c205ff27787faf150a40295c6c3
Import subrepo unicode-width/:unicode-width at 3033826f8bf05e82724140a981d5941e48fce393
Import subrepo unicode-xid/:unicode-xid at 4baae9fffb156ba229665b972a9cd5991787ceb7

1 files changed, 178 insertions, 0 deletions

diff --git a/clap/tests/hidden_args.rs b/clap/tests/hidden_args.rs
new file mode 100644
index 0000000..635e25e
--- /dev/null
+++ b/clap/tests/hidden_args.rs
@@ -0,0 +1,178 @@
+extern crate clap;
+extern crate regex;
+
+use clap::{App, Arg};
+
+include!("../clap-test.rs");
+
+static HIDDEN_ARGS: &'static str = "test 1.4
+Kevin K.
+tests stuff
+
+USAGE:
+    test [FLAGS] [OPTIONS]
+
+FLAGS:
+    -F, --flag2      some other flag
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+        --option <opt>    some option";
+
+#[test]
+fn hidden_args() {
+    let app = App::new("test")
+        .author("Kevin K.")
+        .about("tests stuff")
+        .version("1.4")
+        .args(&[Arg::from_usage("-f, --flag 'some flag'").hidden(true),
+                    Arg::from_usage("-F, --flag2 'some other flag'"),
+                    Arg::from_usage("--option [opt] 'some option'"),
+                    Arg::with_name("DUMMY").required(false).hidden(true)]);
+    assert!(test::compare_output(app, "test --help", HIDDEN_ARGS, false));
+}
+
+static HIDDEN_SHORT_ARGS: &'static str = "test 2.31.2
+Steve P.
+hides short args
+
+USAGE:
+    test [FLAGS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+    -v, --visible    This text should be visible";
+
+static HIDDEN_SHORT_ARGS_LONG_HELP: &'static str = "test 2.31.2
+Steve P.
+hides short args
+
+USAGE:
+    test [FLAGS]
+
+FLAGS:
+    -c, --config     
+            Some help text describing the --config arg
+
+    -h, --help       
+            Prints help information
+
+    -V, --version    
+            Prints version information
+
+    -v, --visible    
+            This text should be visible";
+
+/// Ensure hidden with short option
+#[test]
+fn hidden_short_args() {
+    let app = App::new("test")
+        .about("hides short args")
+        .author("Steve P.")
+        .version("2.31.2")
+        .args(&[
+            Arg::with_name("cfg")
+                .short("c")
+                .long("config")
+                .hidden_short_help(true)
+                .help("Some help text describing the --config arg"),                
+            Arg::with_name("visible")
+                .short("v")
+                .long("visible")
+                .help("This text should be visible")]);
+
+    assert!(test::compare_output(app, "test -h", HIDDEN_SHORT_ARGS, false));        
+}
+
+/// Ensure visible with opposite option
+#[test]
+fn hidden_short_args_long_help() {
+    let app = App::new("test")
+        .about("hides short args")
+        .author("Steve P.")
+        .version("2.31.2")
+        .args(&[
+            Arg::with_name("cfg")
+                .short("c")
+                .long("config")
+                .hidden_short_help(true)
+                .help("Some help text describing the --config arg"),                
+            Arg::with_name("visible")
+                .short("v")
+                .long("visible")
+                .help("This text should be visible")]);
+
+    assert!(test::compare_output(app, "test --help", HIDDEN_SHORT_ARGS_LONG_HELP, false));        
+}
+
+static HIDDEN_LONG_ARGS: &'static str = "test 2.31.2
+Steve P.
+hides long args
+
+USAGE:
+    test [FLAGS]
+
+FLAGS:
+    -h, --help       
+            Prints help information
+
+    -V, --version    
+            Prints version information
+
+    -v, --visible    
+            This text should be visible";
+
+#[test]
+fn hidden_long_args() {
+    let app = App::new("test")
+        .about("hides long args")
+        .author("Steve P.")
+        .version("2.31.2")
+        .args(&[
+            Arg::with_name("cfg")
+                .short("c")
+                .long("config")
+                .hidden_long_help(true)
+                .help("Some help text describing the --config arg"),                
+            Arg::with_name("visible")
+                .short("v")
+                .long("visible")
+                .help("This text should be visible")]);
+
+    assert!(test::compare_output(app, "test --help", HIDDEN_LONG_ARGS, false));        
+}
+
+static HIDDEN_LONG_ARGS_SHORT_HELP: &'static str = "test 2.31.2
+Steve P.
+hides long args
+
+USAGE:
+    test [FLAGS]
+
+FLAGS:
+    -c, --config     Some help text describing the --config arg
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+    -v, --visible    This text should be visible";
+
+#[test]
+fn hidden_long_args_short_help() {
+    let app = App::new("test")
+        .about("hides long args")
+        .author("Steve P.")
+        .version("2.31.2")
+        .args(&[
+            Arg::with_name("cfg")
+                .short("c")
+                .long("config")
+                .hidden_long_help(true)
+                .help("Some help text describing the --config arg"),                
+            Arg::with_name("visible")
+                .short("v")
+                .long("visible")
+                .help("This text should be visible")]);
+
+    assert!(test::compare_output(app, "test -h", HIDDEN_LONG_ARGS_SHORT_HELP, false));        
+}