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, 266 insertions, 0 deletions

diff --git a/clap/tests/possible_values.rs b/clap/tests/possible_values.rs
new file mode 100644
index 0000000..80772bd
--- /dev/null
+++ b/clap/tests/possible_values.rs
@@ -0,0 +1,266 @@
+extern crate clap;
+extern crate regex;
+
+include!("../clap-test.rs");
+
+#[allow(deprecated, unused_imports)]
+use std::ascii::AsciiExt;
+
+use clap::{App, Arg, ErrorKind};
+
+#[cfg(feature = "suggestions")]
+static PV_ERROR: &'static str = "error: 'slo' isn't a valid value for '--Option <option3>'
+\t[possible values: fast, slow]
+
+\tDid you mean 'slow'?
+
+USAGE:
+    clap-test --Option <option3>
+
+For more information try --help";
+
+#[cfg(not(feature = "suggestions"))]
+static PV_ERROR: &'static str = "error: 'slo' isn't a valid value for '--Option <option3>'
+\t[possible values: fast, slow]
+
+
+USAGE:
+    clap-test --Option <option3>
+
+For more information try --help";
+
+#[test]
+fn possible_values_of_positional() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("positional")
+                .index(1)
+                .possible_value("test123"),
+        )
+        .get_matches_from_safe(vec!["myprog", "test123"]);
+
+    assert!(m.is_ok());
+    let m = m.unwrap();
+
+    assert!(m.is_present("positional"));
+    assert_eq!(m.value_of("positional"), Some("test123"));
+}
+
+#[test]
+fn possible_values_of_positional_fail() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("positional")
+                .index(1)
+                .possible_value("test123"),
+        )
+        .get_matches_from_safe(vec!["myprog", "notest"]);
+
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::InvalidValue);
+}
+
+#[test]
+fn possible_values_of_positional_multiple() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("positional")
+                .index(1)
+                .possible_value("test123")
+                .possible_value("test321")
+                .multiple(true),
+        )
+        .get_matches_from_safe(vec!["myprog", "test123", "test321"]);
+
+    assert!(m.is_ok());
+    let m = m.unwrap();
+
+    assert!(m.is_present("positional"));
+    assert_eq!(
+        m.values_of("positional").unwrap().collect::<Vec<_>>(),
+        vec!["test123", "test321"]
+    );
+}
+
+#[test]
+fn possible_values_of_positional_multiple_fail() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("positional")
+                .index(1)
+                .possible_value("test123")
+                .possible_value("test321")
+                .multiple(true),
+        )
+        .get_matches_from_safe(vec!["myprog", "test123", "notest"]);
+
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::InvalidValue);
+}
+
+#[test]
+fn possible_values_of_option() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123"),
+        )
+        .get_matches_from_safe(vec!["myprog", "--option", "test123"]);
+
+    assert!(m.is_ok());
+    let m = m.unwrap();
+
+    assert!(m.is_present("option"));
+    assert_eq!(m.value_of("option"), Some("test123"));
+}
+
+#[test]
+fn possible_values_of_option_fail() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123"),
+        )
+        .get_matches_from_safe(vec!["myprog", "--option", "notest"]);
+
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::InvalidValue);
+}
+
+#[test]
+fn possible_values_of_option_multiple() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123")
+                .possible_value("test321")
+                .multiple(true),
+        )
+        .get_matches_from_safe(vec!["", "--option", "test123", "--option", "test321"]);
+
+    assert!(m.is_ok());
+    let m = m.unwrap();
+
+    assert!(m.is_present("option"));
+    assert_eq!(
+        m.values_of("option").unwrap().collect::<Vec<_>>(),
+        vec!["test123", "test321"]
+    );
+}
+
+#[test]
+fn possible_values_of_option_multiple_fail() {
+    let m = App::new("possible_values")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123")
+                .possible_value("test321")
+                .multiple(true),
+        )
+        .get_matches_from_safe(vec!["", "--option", "test123", "--option", "notest"]);
+
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::InvalidValue);
+}
+
+#[test]
+fn possible_values_output() {
+    assert!(test::compare_output(
+        test::complex_app(),
+        "clap-test -O slo",
+        PV_ERROR,
+        true
+    ));
+}
+
+#[test]
+fn case_insensitive() {
+    let m = App::new("pv")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123")
+                .possible_value("test321")
+                .case_insensitive(true),
+        )
+        .get_matches_from_safe(vec!["pv", "--option", "TeSt123"]);
+
+    assert!(m.is_ok());
+    assert!(
+        m.unwrap()
+            .value_of("option")
+            .unwrap()
+            .eq_ignore_ascii_case("test123")
+    );
+}
+
+#[test]
+fn case_insensitive_faili() {
+    let m = App::new("pv")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123")
+                .possible_value("test321"),
+        )
+        .get_matches_from_safe(vec!["pv", "--option", "TeSt123"]);
+
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::InvalidValue);
+}
+
+#[test]
+fn case_insensitive_multiple() {
+    let m = App::new("pv")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123")
+                .possible_value("test321")
+                .multiple(true)
+                .case_insensitive(true),
+        )
+        .get_matches_from_safe(vec!["pv", "--option", "TeSt123", "teST123", "tESt321"]);
+
+    assert!(m.is_ok());
+    assert_eq!(
+        m.unwrap().values_of("option").unwrap().collect::<Vec<_>>(),
+        &["TeSt123", "teST123", "tESt321"]
+    );
+}
+
+#[test]
+fn case_insensitive_multiple_fail() {
+    let m = App::new("pv")
+        .arg(
+            Arg::with_name("option")
+                .short("-o")
+                .long("--option")
+                .takes_value(true)
+                .possible_value("test123")
+                .possible_value("test321")
+                .multiple(true),
+        )
+        .get_matches_from_safe(vec!["pv", "--option", "test123", "teST123", "test321"]);
+
+    assert!(m.is_err());
+    assert_eq!(m.unwrap_err().kind, ErrorKind::InvalidValue);
+}