diff --git a/mock/c6-firefox60.i386.cfg b/mock/c6-firefox60.i386.cfg
new file mode 100644
index 0000000..df10354
--- /dev/null
+++ b/mock/c6-firefox60.i386.cfg
@@ -0,0 +1,65 @@
+config_opts['root'] = 'TARGETNAME'
+config_opts['target_arch'] = 'i686'
+config_opts['legal_host_arches'] = ('i386', 'i486', 'i586', 'i686', 'x86_64',)
+config_opts['chroot_setup_cmd'] = 'install bash bzip2 coreutils cpio diffutils system-release findutils gawk gcc gcc-c++ grep gzip info make patch redhat-rpm-config rpm-build sed shadow-utils tar unzip util-linux which xz scl-utils-build devtoolset-7-build rust-toolset-7-build'
+config_opts['dist'] = 'el6'  # only useful for --resultdir variable subst
+config_opts['macros']['%dist'] = ".el6"
+config_opts['%centos_ver'] = "6"
+config_opts['macros']['%centos_ver'] = "6"
+config_opts['macros']['%rhel'] = "6"
+config_opts['macros']['%el6'] = "1"
+config_opts['macros']['%redhat'] = "6"
+config_opts['macros']['%_vendor'] = "redhat"
+config_opts['macros']['%_vendor_host'] = "redhat"
+config_opts['macros']['%_host'] = "i386-redhat-linux-gnu"
+config_opts['macros']['%vendor'] = "CentOS"
+config_opts['macros']['%packager'] = "CentOS BuildSystem <http://bugs.centos.org>"
+
+# no ccache in base repo
+config_opts['plugin_conf']['ccache_enable'] = False
+config_opts['plugin_conf']['yum_cache_enable'] = False
+
+config_opts['yum.conf'] = """
+[main]
+cachedir=/var/cache/yum
+keepcache=1
+debuglevel=2
+reposdir=/dev/null
+logfile=/var/log/yum.log
+retries=20
+obsoletes=1
+gpgcheck=0
+assumeyes=1
+syslog_ident=mock
+syslog_device=
+
+exclude=*.x86_64  
+
+# repos
+
+[all]
+name=centos 6 i386 - all
+baseurl=http://repohost/repo/6.all.i386/
+enabled=1
+gpgcheck=0
+cost=2000
+
+[6.10-updates]
+name=6.10-updates
+baseurl=http://repohost/repo/6.10-updates.i386/
+enabled=1
+gpgcheck=0
+cost=1900
+
+[c6-devtoolset-7.i386]
+name=c6-devtoolset-7
+enabled=1
+baseurl=http://repohost/repo/c6-devtoolset-7.i386/
+
+[c6-rust-toolset-7.i386]
+name=c6-rust-toolset-7
+enabled=1
+baseurl=http://repohost/repo/c6-rust-toolset-7.i386/
+
+"""
+
diff --git a/mock/c6-firefox60.x86_64.cfg b/mock/c6-firefox60.x86_64.cfg
new file mode 100644
index 0000000..6cd5b4e
--- /dev/null
+++ b/mock/c6-firefox60.x86_64.cfg
@@ -0,0 +1,66 @@
+config_opts['root'] = 'TARGETNAME'
+config_opts['target_arch'] = 'x86_64'
+config_opts['legal_host_arches'] = ('x86_64','noarch',)
+config_opts['chroot_setup_cmd'] = 'install bash bzip2 coreutils cpio diffutils system-release findutils gawk gcc gcc-c++ grep gzip info make patch redhat-rpm-config rpm-build sed shadow-utils tar unzip util-linux which xz  scl-utils-build devtoolset-7-build rust-toolset-7-build'
+config_opts['dist'] = 'el6'  # only useful for --resultdir variable subst
+config_opts['macros']['%dist'] = ".el6"
+config_opts['%centos_ver'] = "6"
+config_opts['macros']['%centos_ver'] = "6"
+config_opts['macros']['%rhel'] = "6"
+config_opts['macros']['%el6'] = "1"
+config_opts['macros']['%redhat'] = "6"
+config_opts['macros']['%_vendor'] = "redhat"
+config_opts['macros']['%_vendor_host'] = "redhat"
+config_opts['macros']['%_host'] = "x86_64-redhat-linux-gnu"
+config_opts['macros']['%vendor'] = "CentOS"
+config_opts['macros']['%packager'] = "CentOS BuildSystem <http://bugs.centos.org>"
+
+# no ccache in base repo
+config_opts['plugin_conf']['ccache_enable'] = False
+config_opts['plugin_conf']['yum_cache_enable'] = False
+
+config_opts['yum.conf'] = """
+[main]
+cachedir=/var/cache/yum
+keepcache=1
+debuglevel=2
+reposdir=/dev/null
+logfile=/var/log/yum.log
+retries=20
+obsoletes=1
+gpgcheck=0
+assumeyes=1
+syslog_ident=mock
+syslog_device=
+
+# repos
+
+[all]
+name=centos 6 x86_64 - all
+baseurl=http://repohost/repo/6.all.x86_64/
+enabled=1
+gpgcheck=0
+cost=2000
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686 glibc-static.i686
+
+[6.10-updates]
+name=6.10-updates
+baseurl=http://repohost/repo/6.10-updates.x86_64/
+enabled=1
+gpgcheck=0
+cost=1900
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686 glibc-static.i686
+
+[c6-devtoolset-7]
+name=c6-devtoolset-7
+enabled=1
+baseurl=http://repohost/repo/c6-devtoolset-7.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c6-rust-toolset-7]
+name=c6-rust-toolset-7
+enabled=1
+baseurl=http://repohost/repo/c6-rust-toolset-7.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-rust-el.i686 nss-softokn-freebl*.i686
+"""
+