Adapt to new packaging

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

num-traits-fix-metadata.diff

@@ -0,0 +1,10 @@
+--- num-traits-0.2.6/Cargo.toml	1970-01-01T01:00:00+01:00
++++ num-traits-0.2.6/Cargo.toml	2018-10-31T11:24:53.673968+01:00
+@@ -23,6 +23,7 @@
+ categories = ["algorithms", "science", "no-std"]
+ license = "MIT/Apache-2.0"
+ repository = "https://github.com/rust-num/num-traits"
++exclude = ["/ci/*", "/.travis.yml", "/bors.toml"]
+ [package.metadata.docs.rs]
+ features = ["std"]
+ 

rust-num-traits.spec

@@ -6,30 +6,75 @@
 
 Name:           rust-%{crate}
 Version:        0.2.6
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Numeric traits for generic mathematics
 
 # Upstream license specification: MIT/Apache-2.0
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/num-traits
 Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+# Initial patched metadata
+# * Exclude CI files, https://github.com/rust-num/num-traits/pull/92
+Patch0:         num-traits-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 
-%description
-%{summary}.
+%global _description \
+Numeric traits for generic mathematics.
+
+%description %{_description}
 
 %package        devel
 Summary:        %{summary}
 BuildArch:      noarch
 
-%description    devel
-Numeric traits for generic mathematics.
+%description    devel %{_description}
+
+This package contains library source intended for building other packages
+which use "%{crate}" crate.
+
+%files          devel
+%license LICENSE-MIT LICENSE-APACHE
+%doc README.md RELEASES.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 %{crate} from crates.io.
+which use "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
+
+%package     -n %{name}+i128-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+i128-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "i128" feature of "%{crate}" crate.
+
+%files       -n %{name}+i128-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
+
+%package     -n %{name}+std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+std-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "std" feature of "%{crate}" crate.
+
+%files       -n %{name}+std-devel
+%ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version} -p1
@@ -46,13 +91,10 @@ which use %{crate} from crates.io.
 %cargo_test
 %endif
 
-%files          devel
-%license LICENSE-MIT LICENSE-APACHE
-%doc README.md RELEASES.md
-%{cargo_registry}/%{crate}-%{version}/
-%exclude %{cargo_registry}/%{crate}-%{version}/{bors.toml,ci}
-
 %changelog
+* Wed Oct 31 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.2.6-2
+- Adapt to new packaging
+
 * Fri Sep 14 2018 Josh Stone <jistone@redhat.com> - 0.2.6-1
 - Update to 0.2.6