diff --git a/mock/c7-rust-toolset-1.52.x86_64.cfg b/mock/c7-rust-toolset-1.52.x86_64.cfg
new file mode 100644
index 0000000..e4d7d55
--- /dev/null
+++ b/mock/c7-rust-toolset-1.52.x86_64.cfg
@@ -0,0 +1,189 @@
+config_opts['root'] = 'TARGETNAME'
+config_opts['target_arch'] = 'x86_64'
+config_opts['legal_host_arches'] = ('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 llvm-toolset-9.0-build devtoolset-8-build rust-toolset-1.41-build'
+config_opts['dist'] = 'el7'  # only useful for --resultdir variable subst
+
+config_opts['%centos_ver'] = "7"
+config_opts['macros']['%centos_ver'] = "7"
+config_opts['macros']['%rhel'] = "7"
+config_opts['macros']['%el7'] = "1"
+config_opts['macros']['%redhat'] = "7"
+config_opts['macros']['%vendor'] = "CentOS"
+config_opts['macros']['%packager'] = "CentOS BuildSystem <http://bugs.centos.org>"
+config_opts['macros']['%_vendor'] = "redhat"
+config_opts['macros']['%_vendor_host'] = "redhat"
+config_opts['macros']['%_host'] = "x86_64-redhat-linux-gnu"
+
+
+config_opts['yum.conf'] = """
+[main]
+cachedir=/var/cache/yum
+debuglevel=1
+reposdir=/dev/null
+logfile=/var/log/yum.log
+retries=20
+obsoletes=1
+gpgcheck=0
+assumeyes=1
+syslog_ident=mock
+syslog_device=
+
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+exclude=redhat-logos redhat-release* fakesystemd systemd-container*
+
+# repos
+[c7.00.04]
+name=c7.00.04
+enabled=1
+baseurl=http://repohost/repo/c7.00.04/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.00.03]
+name=c7.00.03
+enabled=1
+baseurl=http://repohost/repo/c7.00.03/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.00.02]
+name=c7.00.02
+enabled=1
+baseurl=http://repohost/repo/c7.00.02/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7-extras.x86_64]
+name=c7-extras.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7-extras.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7-updates]
+name=c7-updates
+enabled=1
+baseurl=http://repohost/repo/c7-updates/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.01.00]
+name=c7.01.00
+enabled=1
+baseurl=http://repohost/repo/c7.01.00/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+
+[c7.01.u]
+name=c7.01.u
+enabled=1
+baseurl=http://repohost/repo/c7.01.u/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1511.u]
+name=c7.1511.u
+enabled=1
+baseurl=http://repohost/repo/c7.1511.u/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1511.00]
+name=c7.1511.00
+enabled=1
+baseurl=http://repohost/repo/c7.1511.00/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1611.u]
+name=c7.1611.u
+enabled=1
+baseurl=http://repohost/repo/c7.1611.u/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1611.00]
+name=c7.1611.00
+enabled=1
+baseurl=http://repohost/repo/c7.1611.00/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1611.01]
+name=c7.1611.01
+enabled=1
+baseurl=http://repohost/repo/c7.1611.01/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1708.u.x86_64]
+name=c7.1708.u.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.1708.u.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1708.00]
+name=c7.1708.00
+enabled=1
+baseurl=http://repohost/repo/c7.1708.00/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1804.u.x86_64]
+name=c7.1804.u.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.1804.u.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1804.00.x86_64]
+name=c7.1804.00.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.1804.00.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7-devtoolset-8]
+name=c7-devtoolset-8
+enabled=1
+baseurl=http://repohost/repo/c7-devtoolset-8.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7-llvm-toolset-9.0]
+name=c7-llvm-toolset-9.0
+enabled=1
+baseurl=http://repohost/repo/c7-llvm-toolset-9.0.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7-rust-toolset-1.35]
+name=c7-rust-toolset-1.35
+enabled=1
+baseurl=http://repohost/repo/c7-rust-toolset-1.35.x86_64/
+
+[c7-rust-toolset-1.41]
+name=c7-rust-toolset-1.41
+enabled=1
+baseurl=http://repohost/repo/c7-rust-toolset-1.41.x86_64/
+[c7.1810.u.x86_64]
+name=c7.1810.u.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.1810.u.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.1810.00.x86_64]
+name=c7.1810.00.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.1810.00.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.2003.u.x86_64]
+name=c7.2003.u.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.2003.u.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.2003.00.x86_64]
+name=c7.2003.00.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.2003.00.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.2009.u.x86_64]
+name=c7.2009.u.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.2009.u.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
+[c7.2009.00.x86_64]
+name=c7.2009.00.x86_64
+enabled=1
+baseurl=http://repohost/repo/c7.2009.00.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+"""