$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-DistnameInfo.git /var/lib/mock/f40-build-2016098-46154/root/chroot_tmpdir/scmroot/perl-CPAN-DistnameInfo
Cloning into '/var/lib/mock/f40-build-2016098-46154/root/chroot_tmpdir/scmroot/perl-CPAN-DistnameInfo'...
$ git fetch origin b32df372df44c71e31116c9c106e09abdf0bc64f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-DistnameInfo
 * [new ref]         b32df372df44c71e31116c9c106e09abdf0bc64f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b32df37 Package tests