build deb packages using debbuild

Signed-off-by: Lokesh Mandvekar <lsm5@fedoraproject.org>

crun.spec

@@ -1,18 +1,32 @@
 %global built_tag 1.4.5
-%global gen_version %(b=%{built_tag}; echo ${b/-/"~"})
 
 Summary: OCI runtime written in C
 Name: crun
-Version: %{gen_version}
+Version: 1.4.5
-Release: %autorelease
 URL: https://github.com/containers/%{name}
 Source0: %{url}/releases/download/%{version}/%{name}-%{version}.tar.xz
+%if "%{_vendor}" == "debbuild"
+Maintainer: Lokesh Mandvekar <https://github.com/lsm5>
+License: GPL-2.0+
+Release: 0%{?dist}
+%else
 License: GPLv2+
-
+Release: %autorelease
-# We always run autogen.sh
+%endif
 BuildRequires: autoconf
 BuildRequires: automake
+BuildRequires: go-md2man
+BuildRequires: libtool
+%if "%{_vendor}" == "debbuild"
+BuildRequires: git
+BuildRequires: libcap-dev
+BuildRequires: libseccomp-dev
+BuildRequires: libsystemd-dev
+BuildRequires: libyajl-dev
+BuildRequires: pkg-config
+%else
 BuildRequires: gcc
+BuildRequires: git-core
 BuildRequires: python3
 BuildRequires: libcap-devel
 BuildRequires: systemd-devel
@@ -20,21 +34,20 @@ BuildRequires: yajl-devel
 BuildRequires: libseccomp-devel
 BuildRequires: libselinux-devel
 BuildRequires: python3-libmount
-BuildRequires: libtool
-BuildRequires: go-md2man
 BuildRequires: make
 BuildRequires: glibc-static
 BuildRequires: protobuf-c-devel
 %ifnarch %ix86
 BuildRequires: criu-devel >= 3.15
 %endif
+%endif
 Provides: oci-runtime
 
 %description
 %{name} is a runtime for running OCI containers
 
 %prep
-%autosetup -p1 -n %{name}-%{version}
+%autosetup -Sgit
 
 %build
 ./autogen.sh
@@ -52,4 +65,6 @@ rm -rf %{buildroot}%{_prefix}/lib*
 %{_mandir}/man1/*
 
 %changelog
+%if "%{_vendor}" != "debbuild"
 %autochangelog
+%endif