Do not pull optional dependencies

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

rust-flate2.spec

@@ -7,25 +7,22 @@
 
 Name:           rust-%{crate}
 Version:        1.0.6
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        DEFLATE compression and decompression exposed as Reader/Writer streams
 
 # Upstream license specification: MIT/Apache-2.0
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/flate2
-Source0:        https://crates.io/api/v1/crates/%{crate}/%{version}/download#/%{crate}-%{version}.crate
+Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 BuildRequires:  (crate(crc32fast/default) >= 1.1.0 with crate(crc32fast/default) < 2.0.0)
-BuildRequires:  (crate(futures/default) >= 0.1.0 with crate(futures/default) < 0.2.0)
 BuildRequires:  (crate(libc/default) >= 0.2.0 with crate(libc/default) < 0.3.0)
-BuildRequires:  (crate(libz-sys/default) >= 1.0.0 with crate(libz-sys/default) < 2.0.0)
 BuildRequires:  (crate(miniz-sys/default) >= 0.1.11 with crate(miniz-sys/default) < 0.2.0)
 BuildRequires:  (crate(miniz_oxide_c_api/default) >= 0.2.0 with crate(miniz_oxide_c_api/default) < 0.3.0)
 BuildRequires:  (crate(miniz_oxide_c_api/no_c_export) >= 0.2.0 with crate(miniz_oxide_c_api/no_c_export) < 0.3.0)
-BuildRequires:  (crate(tokio-io/default) >= 0.1.0 with crate(tokio-io/default) < 0.2.0)
 %if %{with check}
 BuildRequires:  (crate(quickcheck) >= 0.7.0 with crate(quickcheck) < 0.8.0)
 BuildRequires:  (crate(rand/default) >= 0.6.0 with crate(rand/default) < 0.7.0)
@@ -162,7 +159,7 @@ which use "zlib" feature of "%{crate}" crate.
 %ghost %{cargo_registry}/%{crate}-%{version}/Cargo.toml
 
 %prep
-%autosetup -n %{crate}-%{version} -p1
+%autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
 
 %build
@@ -177,6 +174,9 @@ which use "zlib" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Mar 10 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 1.0.6-3
+- Do not pull optional dependencies
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.6-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild