sift.spec (http://sift-tool.org/index.html)

sift.spec

%ifarch i386
  %define arch i386
%else
  %define arch amd64
%endif
Summary: A fast and powerful open source alternative to grep
Name: sift
Version: 0.3.2
Release: 1%{?dist}
License: GPLv3
Group: Applications/Utilities
URL: http://sift-tool.org/index.html
Source: http://sift-tool.org/downloads/sift/sift_%{version}_linux_%{arch}.tar.gz
BuildRoot:      %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)

%description
sift is a fast and powerful open source alternative to grep.
It comes as a single executable with no external dependencies - just download it and you are ready to go.

%prep
%setup -q -c

%install
%{__rm} -rf %{buildroot}
install -p -D -m 0755 sift_%{version}_linux_%{arch}/%{name} %{buildroot}%{_bindir}/%{name}

%files
%{_bindir}/%{name}

%clean
%{__rm} -rf %{buildroot}

%changelog