Issue 826

.travis.yml

@@ -3,7 +3,7 @@ language: rust
 cache: cargo
 rust:
   - nightly
-  - nightly-2016-12-29
+  - nightly-2017-01-25
   - beta
   - stable
   - 1.11.0

CHANGELOG.md

@@ -1,3 +1,19 @@
+<a name="v2.20.1"></a>
+### v2.20.1 (2017-01-30)
+
+#### Bug Fixes
+
+* Fix finding required arguments in group arguments ([f9f778e](https://github.com/kbknapp/clap-rs/commit/5b29be9b073330ab1f7227cdd19fe4aab39d5dcb), closes [#829](https://github.com/kbknapp/clap-rs/pull/829))
+
+#### Documentation
+
+*   fix link from app_from_crate! to crate_authors! ([5b29be9b](https://github.com/kbknapp/clap-rs/commit/5b29be9b073330ab1f7227cdd19fe4aab39d5dcb), closes [#822](https://github.com/kbknapp/clap-rs/pull/822))
+*   fix spelling of "guaranteed" ([4f30a65b](https://github.com/kbknapp/clap-rs/commit/4f30a65b9c03eb09607eb91a929a6396637dc105))
+
+#### Improvements
+
+*   updates libc and term_size deps for the libc version conflict ([6802ac4a](https://github.com/kbknapp/clap-rs/commit/6802ac4a59c142cda9ec55ca0c45ae5cb9a6ab55))
+
 <a name="v2.20.0"></a>
 
 #### New Settings

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "clap"
-version = "2.20.0"
+version = "2.20.1"
 authors = ["Kevin K. <kbknapp@gmail.com>"]
 exclude = ["examples/*", "clap-test/*", "tests/*", "benches/*", "*.png", "clap-perf/*", "*.dot"]
 repository = "https://github.com/kbknapp/clap-rs.git"
@@ -22,10 +22,10 @@ unicode-width         = "0.1.4"
 unicode-segmentation  = "1.0.1"
 strsim    = { version = "0.6.0",  optional = true }
 ansi_term = { version = "0.9.0",  optional = true }
-term_size = { version = "0.2.1",  optional = true }
-libc      = { version = "0.2.18",  optional = true }
+term_size = { version = "0.2.2",  optional = true }
+libc      = { version = "0.2.20",  optional = true }
 yaml-rust = { version = "0.3.5",  optional = true }
-clippy    = { version = "~0.0.104", optional = true }
+clippy    = { version = "~0.0.112", optional = true }
 
 [dev-dependencies]
 regex = "~0.1.80"

README.md

@@ -45,7 +45,15 @@ Created by [gh-md-toc](https://github.com/ekalinin/github-markdown-toc)
 
 ## What's New
 
-Here's the highlights for v2.20.0
+Here's the highlights for v2.20.1
+
+* updates libc and term_size deps for the libc version conflict
+* Fix finding required arguments in group arguments
+* fix link from app_from_crate! to crate_authors!
+* fix spelling of "guaranteed"
+
+
+Here's the highlights from v2.0.0 to v2.20.0
 
 * **ArgsNegateSubcommands:**  disables args being allowed between subcommands
 * **DontCollapseArgsInUsage:** disables the collapsing of positional args into `[ARGS]` in the usage string
@@ -72,9 +80,6 @@ Here's the highlights for v2.20.0
 * **Help Wrapping:**  long app names (with spaces), authors, and descriptions are now wrapped appropriately
 * **Conditional Default Values:**  fixes the failing doc tests of Arg::default_value_ifs
 * **Conditional Requirements:**  adds docs for Arg::requires_ifs
-
-Here's the highlights from v2.0.0 to v2.19.3
-
 * Fixes a bug where calling the help of a subcommand wasn't ignoring required args of parent commands
 * Fixes a bug by escaping square brackets in ZSH completions which were causing conflicts and errors.
 * **Bash Completion:**  allows bash completion to fall back to traidtional bash completion upon no matching completing function

src/app/help.rs

@@ -204,7 +204,7 @@ impl<'a> Help<'a> {
             if first {
                 first = false;
             } else {
-                try!(self.writer.write(b"\n"));
+                try!(self.writer.write_all(b"\n"));
             }
             try!(self.write_arg(arg.as_base()));
         }
@@ -240,7 +240,7 @@ impl<'a> Help<'a> {
                 if first {
                     first = false;
                 } else {
-                    try!(self.writer.write(b"\n"));
+                    try!(self.writer.write_all(b"\n"));
                 }
                 try!(self.write_arg(arg.as_base()));
             }
@@ -562,7 +562,7 @@ impl<'a> Help<'a> {
             }
             if opts {
                 if !first {
-                    try!(self.writer.write(b"\n\n"));
+                    try!(self.writer.write_all(b"\n\n"));
                 }
                 try!(color!(self, "OPTIONS:\n", warning));
                 try!(self.write_args(parser.opts().map(as_arg_trait)));
@@ -572,7 +572,7 @@ impl<'a> Help<'a> {
 
         if pos {
             if !first {
-                try!(self.writer.write(b"\n\n"));
+                try!(self.writer.write_all(b"\n\n"));
             }
             try!(color!(self, "ARGS:\n", warning));
             try!(self.write_args_unsorted(parser.positionals().map(as_arg_trait)));
@@ -581,7 +581,7 @@ impl<'a> Help<'a> {
 
         if subcmds {
             if !first {
-                try!(self.writer.write(b"\n\n"));
+                try!(self.writer.write_all(b"\n\n"));
             }
             try!(color!(self, "SUBCOMMANDS:\n", warning));
             try!(self.write_subcommands(&parser));
@@ -608,7 +608,7 @@ impl<'a> Help<'a> {
                 if first {
                     first = false;
                 } else {
-                    try!(self.writer.write(b"\n"));
+                    try!(self.writer.write_all(b"\n"));
                 }
                 try!(self.write_arg(sc));
             }
@@ -653,7 +653,7 @@ impl<'a> Help<'a> {
         debugln!("Help::write_default_help;");
         if let Some(h) = parser.meta.pre_help {
             try!(self.write_before_after_help(h));
-            try!(self.writer.write(b"\n\n"));
+            try!(self.writer.write_all(b"\n\n"));
         }
 
         macro_rules! write_thing {
@@ -667,9 +667,9 @@ impl<'a> Help<'a> {
         }
         // Print the version
         try!(self.write_bin_name(&parser));
-        try!(self.writer.write(b" "));
+        try!(self.writer.write_all(b" "));
         try!(self.write_version(&parser));
-        try!(self.writer.write(b"\n"));
+        try!(self.writer.write_all(b"\n"));
         if let Some(author) = parser.meta.author {
             write_thing!(author)
         }
@@ -694,7 +694,7 @@ impl<'a> Help<'a> {
 
         if let Some(h) = parser.meta.more_help {
             if flags || opts || pos || subcmds {
-                try!(self.writer.write(b"\n\n"));
+                try!(self.writer.write_all(b"\n\n"));
             }
             try!(self.write_before_after_help(h));
         }
@@ -857,7 +857,7 @@ impl<'a> Help<'a> {
             });
             match &tag_buf.get_ref()[0..tag_length] {
                 b"?" => {
-                    try!(self.writer.write(b"Could not decode tag name"));
+                    try!(self.writer.write_all(b"Could not decode tag name"));
                 }
                 b"bin" => {
                     try!(self.write_bin_name(&parser));
@@ -916,9 +916,9 @@ impl<'a> Help<'a> {
                 }
                 // Unknown tag, write it back.
                 r => {
-                    try!(self.writer.write(b"{"));
-                    try!(self.writer.write(r));
-                    try!(self.writer.write(b"}"));
+                    try!(self.writer.write_all(b"{"));
+                    try!(self.writer.write_all(r));
+                    try!(self.writer.write_all(b"}"));
                 }
             }
         }

src/app/parser.rs

@@ -455,8 +455,7 @@ impl<'a, 'b> Parser<'a, 'b>
         } else if count == 1 {
             let p = self.positionals
                 .values()
-                .filter(|p| !p.is_set(ArgSettings::Required))
-                .next()
+                .find(|p| !p.is_set(ArgSettings::Required))
                 .expect(INTERNAL_ERROR_MSG);
             return Some(format!(" [{}]{}", p.name_no_brackets(), p.multiple_str()));
         } else if self.is_set(AppSettings::DontCollapseArgsInUsage) &&
@@ -550,7 +549,7 @@ impl<'a, 'b> Parser<'a, 'b>
             debug_assert!({
                     let mut it = self.positionals.values().rev();
                     // Either the final positional is required
-                    it.next().unwrap().is_set(ArgSettings::Required) 
+                    it.next().unwrap().is_set(ArgSettings::Required)
                     // Or the second to last has a terminator set
                     || it.next().unwrap().v.terminator.is_some()
                 },
@@ -723,6 +722,8 @@ impl<'a, 'b> Parser<'a, 'b>
         sc._help()
     }
 
+    // allow wrong self convention due to self.valid_neg_num = true and it's a private method
+    #[cfg_attr(feature = "lints", allow(wrong_self_convention))]
     #[inline]
     fn is_new_arg(&mut self, arg_os: &OsStr, needs_val_of: Option<&'a str>) -> bool {
         debugln!("Parser::is_new_arg: arg={:?}, Needs Val of={:?}", arg_os, needs_val_of);
@@ -776,7 +777,7 @@ impl<'a, 'b> Parser<'a, 'b>
     }
 
     // The actual parsing function
-    #[cfg_attr(feature = "lints", allow(while_let_on_iterator))]
+    #[cfg_attr(feature = "lints", allow(while_let_on_iterator, collapsible_if))]
     pub fn get_matches_with<I, T>(&mut self,
                                   matcher: &mut ArgMatcher<'a>,
                                   it: &mut Peekable<I>)
@@ -812,8 +813,8 @@ impl<'a, 'b> Parser<'a, 'b>
                     }
                     subcmd_name = Some(arg_os.to_str().expect(INVALID_UTF8).to_owned());
                     break;
-                } 
-                
+                }
+
                 if !starts_new_arg {
                     if let Some(name) = needs_val_of {
                         // Check to see if parsing a value from a previous arg
@@ -859,8 +860,8 @@ impl<'a, 'b> Parser<'a, 'b>
                             continue;
                         }
                     }
-                } 
-                
+                }
+
                 if !self.is_set(AppSettings::ArgsNegateSubcommands) {
                     if let Some(cdate) =
                     suggestions::did_you_mean(&*arg_os.to_string_lossy(),
@@ -1954,7 +1955,7 @@ impl<'a, 'b> Parser<'a, 'b>
             usage.push_str(&*self.meta
                 .usage
                 .as_ref()
-                .unwrap_or(self.meta
+                .unwrap_or_else(|| self.meta
                     .bin_name
                     .as_ref()
                     .unwrap_or(&self.meta.name)));
@@ -2022,7 +2023,7 @@ impl<'a, 'b> Parser<'a, 'b>
         usage.push_str(&self.meta
             .usage
             .as_ref()
-            .unwrap_or(self.meta
+            .unwrap_or_else(|| self.meta
                 .bin_name
                 .as_ref()
                 .unwrap_or(&self.meta

src/app/settings.rs

@@ -43,12 +43,12 @@ bitflags! {
 }
 
 #[doc(hidden)]
-#[derive(Debug, Copy)]
+#[derive(Debug, Copy, Clone)]
 pub struct AppFlags(Flags);
 
-impl Clone for AppFlags {
-    fn clone(&self) -> Self { AppFlags(self.0) }
-}
+// impl Clone for AppFlags {
+//     fn clone(&self) -> Self { AppFlags(self.0) }
+// }
 
 impl BitOr for AppFlags {
     type Output = Self;

src/args/arg.rs

@@ -3208,7 +3208,7 @@ impl<'a, 'b, 'z> From<&'z Arg<'a, 'b>> for Arg<'a, 'b> {
             disp_ord: a.disp_ord,
             r_unless: a.r_unless.clone(),
             r_ifs: a.r_ifs.clone(),
-            val_terminator: a.val_terminator.clone(),
+            val_terminator: a.val_terminator,
         }
     }
 }
@@ -3240,7 +3240,7 @@ impl<'a, 'b> Clone for Arg<'a, 'b> {
             disp_ord: self.disp_ord,
             r_unless: self.r_unless.clone(),
             r_ifs: self.r_ifs.clone(),
-            val_terminator: self.val_terminator.clone(),
+            val_terminator: self.val_terminator,
         }
     }
 }

src/args/arg_builder/valued.rs

@@ -54,7 +54,7 @@ impl<'n, 'e, 'z> From<&'z Arg<'n, 'e>> for Valued<'n, 'e> {
             val_delim: a.val_delim,
             default_val: a.default_val,
             default_vals_ifs: a.default_vals_ifs.clone(),
-            terminator: a.val_terminator.clone(),
+            terminator: a.val_terminator,
         };
         if let Some(ref vec) = a.val_names {
             if vec.len() > 1 {

src/macros.rs

@@ -754,7 +754,7 @@ macro_rules! write_nspaces {
     ($dst:expr, $num:expr) => ({
         debugln!("write_spaces!: num={}", $num);
         for _ in 0..$num {
-            try!($dst.write(b" "));
+            try!($dst.write_all(b" "));
         }
     })
 }