--- /dev/null
+config_opts['root'] = 'fed-x86_64'
+config_opts['target_arch'] = 'x86_64'
+config_opts['legal_host_arches'] = ('x86_64',)
+config_opts['chroot_setup_cmd'] = 'groupinstall buildsys-build'
+config_opts['dist'] = 'fc18' # only useful for --resultdir variable subst
+config_opts['macros']['%__arch_install_post'] = '%{nil}'
+
+config_opts['yum.conf'] = """
+[main]
+cachedir=/var/cache/yum
+debuglevel=1
+logfile=/var/log/yum.log
+reposdir=/dev/null
+retries=20
+obsoletes=1
+gpgcheck=0
+assumeyes=1
+syslog_ident=mock
+syslog_device=
+
+# repos
+
+[fedora]
+name=Fedora 18 - $basearch
+mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=fedora-18&arch=$basearch
+
+[update]
+name=Fedora 18 - $basearch - Updates
+mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=updates-released-f18&arch=$basearch
+
+[EGI-trustanchors]
+name=EGI-trustanchors
+baseurl=http://repository.egi.eu/sw/production/cas/1/current/
+gpgkey=http://repository.egi.eu/sw/production/cas/1/GPG-KEY-EUGridPMA-RPM-3
+
+#[EMI-3-external]
+#name=EMI-3 External Dependencies
+#baseurl=http://scientific.zcu.cz/repos/EMI3-external/fc17-$basearch
+#gpgkey=http://scientific.zcu.cz/repos/RPM-GPG-KEY-valtri
+#protect=1
+#enabled=1
+
+[main]
+[local]
+name=Local
+baseurl=file://@PWD@/@REPO@
+"""