use git spec file

OBS-URL: https://build.opensuse.org/package/show/openSUSE:Tools/obs-service-recompress?expand=0&rev=48

_service

@@ -4,6 +4,7 @@
     <param name="scm">git</param>
     <param name="version">0.5.2</param>
     <param name="revision">0.5.2</param>
+    <param name="extract">dist/obs-service-recompress.spec</param>
   </service>
 
   <service mode="manual" name="recompress">

obs-service-recompress.spec

@@ -17,6 +17,7 @@
 
 
 %define service recompress
+
 Name:           obs-service-%{service}
 Version:        0.5.2
 Release:        0
@@ -25,20 +26,22 @@ License:        GPL-2.0-or-later
 Group:          Development/Tools/Building
 URL:            https://github.com/openSUSE/obs-service-%{service}
 Source:         %{name}-%{version}.tar.gz
+BuildRequires:  perl(Test::More)
+
 BuildRequires:  bzip2
 BuildRequires:  gzip
 BuildRequires:  xz
-BuildRequires:  perl(Test::More)
-Requires:       %{_bindir}/gzip
 Requires:       bzip2
+Requires:       gzip
 Requires:       xz
-BuildArch:      noarch
-# Enable zstd on all supported distributions
-%if 0%{?suse_version} > 1500 || 0%{?sle_version} > 150000 || 0%{?fedora_version} > 25
+
+%if 0%{?suse_version} > 1500 || 0%{?sle_version} > 150000 || 0%{?fedora_version} > 25 || 0%{?rhel} >= 6
 BuildRequires:  zstd
 Requires:       zstd
 %endif
 
+BuildArch:      noarch
+
 %description
 This is a source service for openSUSE Build Service.
 
@@ -56,12 +59,13 @@ It supports to compress, uncompress or recompress files from or to
 %build
 
 %install
-%make_install
+make DESTDIR=%buildroot install
 
 %check
-%make_build test
+make test
 
 %files
+%defattr(-,root,root)
 %dir %{_prefix}/lib/obs
 %{_prefix}/lib/obs/service