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, 121 insertions, 0 deletions

diff --git a/clap/tests/app.yml b/clap/tests/app.yml
new file mode 100644
index 0000000..850bb82
--- /dev/null
+++ b/clap/tests/app.yml
@@ -0,0 +1,121 @@
+name: claptests
+version: "1.0"
+about: tests clap library
+author: Kevin K. <kbknapp@gmail.com>
+settings:
+    - ArgRequiredElseHelp
+help_message: prints help with a nonstandard description
+args:
+    - opt:
+        short: o
+        long: option
+        multiple: true
+        help: tests options
+    - positional:
+        help: tests positionals
+        index: 1
+    - positional2:
+        help: tests positionals with exclusions
+        index: 2
+        default_value_if:
+            - [flag, Null, some]
+            - [postional, other, something]
+    - flag:
+        short: f
+        long: flag
+        multiple: true
+        help: tests flags
+        global: true
+    - flag2:
+        short: F
+        help: tests flags with exclusions
+        conflicts_with:
+            - flag
+        requires:
+            - option2
+    - option2:
+        long: long-option-2
+        help: tests long options with exclusions
+        conflicts_with:
+            - option
+        requires:
+            - positional2
+    - option3:
+        short: O
+        long: Option
+        help: tests options with specific value sets
+        takes_value: true
+        possible_values:
+            - fast
+            - slow
+        requires_if:
+            - [fast, flag]
+    - positional3:
+        index: 3
+        help: tests positionals with specific values
+        possible_values: [ vi, emacs ]
+    - multvals:
+        long: multvals
+        help: Tests multiple values, not mult occs
+        value_names:
+            - one
+            - two
+    - multvalsmo:
+        long: multvalsmo
+        multiple: true
+        help: Tests multiple values, not mult occs
+        value_names: [one, two]
+    - multvalsdelim:
+        long: multvalsdelim
+        help: Tests multiple values with required delimiter
+        multiple: true
+        require_delimiter: true
+    - singlealias:
+        long: singlealias
+        help: Tests single alias
+        aliases: [alias]
+        required_if:
+            - [multvalsmo, two]
+    - multaliases:
+        long: multaliases
+        help: Tests multiple aliases
+        aliases: [als1, als2, als3]
+    - minvals2:
+        long: minvals2
+        multiple: true
+        help: Tests 2 min vals
+        min_values: 2
+    - maxvals3:
+        long: maxvals3
+        multiple: true
+        help: Tests 3 max vals
+        max_values: 3
+    - case_insensitive:
+        help: Test case_insensitive
+        possible_values: [test123, test321]
+        case_insensitive: true
+
+arg_groups:
+    - test:
+        args:
+            - maxvals3
+            - minmals2
+        conflicts_with:
+            - option3
+        requires:
+            - multvals
+subcommands:
+    - subcmd:
+        about: tests subcommands
+        version: "0.1"
+        author: Kevin K. <kbknapp@gmail.com>
+        args:
+            - scoption:
+                short: o
+                long: option
+                multiple: true
+                help: tests options
+                takes_value: true
+            - scpositional:
+                help: tests positionals
+                index: 1