Adapt to new packaging

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

ansi_term-fix-metadata.diff

@@ -1,5 +1,5 @@
---- ansi_term-0.11.0/Cargo.toml	1969-12-31T16:00:00-08:00
-+++ ansi_term-0.11.0/Cargo.toml	2018-03-26T13:36:58.050589-07:00
+--- ansi_term-0.11.0/Cargo.toml	1970-01-01T01:00:00+01:00
++++ ansi_term-0.11.0/Cargo.toml	2018-10-27T11:57:10.039955+02:00
 @@ -22,6 +22,3 @@
  
  [lib]

rust-ansi_term.spec

@@ -7,7 +7,7 @@
 
 Name:           rust-%{crate}
 Version:        0.11.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Library for ANSI terminal colours and styles (bold, underline)
 
 License:        MIT
@@ -15,24 +15,42 @@ URL:            https://crates.io/crates/ansi_term
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
 # Initial patched metadata
 # * No winapi
-Patch0:         ansi_term-0.11.0-fix-metadata.diff
+Patch0:         ansi_term-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 
-%description
-%{summary}.
+%global _description \
+Library for ANSI terminal colours and styles (bold, underline).
+
+%description %{_description}
 
 %package        devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description    devel
-Library for ANSI terminal colours and styles (bold, underline).
+%description    devel %{_description}
 
 This package contains library source intended for building other packages
-which use %{crate} from crates.io.
+which use "%{crate}" crate.
+
+%files          devel
+%license LICENCE
+%doc README.md
+%{cargo_registry}/%{crate}-%{version}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version} -p1
@@ -49,12 +67,10 @@ which use %{crate} from crates.io.
 %cargo_test
 %endif
 
-%files          devel
-%license LICENCE
-%doc README.md
-%{cargo_registry}/%{crate}-%{version}/
-
 %changelog
+* Sat Oct 27 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.11.0-4
+- Adapt to new packaging
+
 * Sun Oct 07 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.11.0-3
 - Run tests in infrastructure