$ git clone -n https://src.fedoraproject.org/rpms/perl-PkgConfig-LibPkgConf.git /var/lib/mock/f40-build-797448-141349/root/chroot_tmpdir/scmroot/perl-PkgConfig-LibPkgConf
Cloning into '/var/lib/mock/f40-build-797448-141349/root/chroot_tmpdir/scmroot/perl-PkgConfig-LibPkgConf'...
$ git fetch origin 70dc43b7d5866cf1cd9b30a3edc140ee15cdd315:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PkgConfig-LibPkgConf
 * [new ref]         70dc43b7d5866cf1cd9b30a3edc140ee15cdd315 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70dc43b Upgrade rpmlintrc to a new format