Add back the rust-crate sub-rpms

Signed-off-by: Gris Ge <fge@redhat.com>

nmstate.spec

@@ -89,6 +89,22 @@ Obsoletes:      nmstate-plugin-ovsdb < 2.0-1
 %description -n python3-%{libname}
 This package contains the Python 3 library for Nmstate.
 
+%package -n rust-%{name}-devel
+Summary:        Rust crate of nmstate
+BuildArch:      noarch
+
+%description -n rust-%{name}-devel
+This package contains library source intended for building other packages
+which use "%{name}" crate.
+
+%package -n rust-%{name}+default-devel
+Summary:        Rust crate of nmstate with default feature
+BuildArch:      noarch
+
+%description -n rust-%{name}+default-devel
+This package contains library source intended for building other packages
+which use "%{name}" crate with default feature.
+
 %prep
 gpg2 --import --import-options import-export,import-minimal \
     %{SOURCE2} > ./gpgkey-mantainers.gpg
@@ -154,5 +170,12 @@ popd
 %files static
 %{_libdir}/libnmstate.a
 
+%files -n rust-%{name}-devel
+%license LICENSE
+%{cargo_registry}/%{name}-%{version}/
+
+%files -n rust-%{name}+default-devel
+%ghost %{cargo_registry}/%{name}-%{version}/Cargo.toml
+
 %changelog
 %autochangelog