$ git clone -n https://src.fedoraproject.org/rpms/perl-DBI.git /var/lib/mock/f45-build-22725-593/root/chroot_tmpdir/scmroot/perl-DBI
Cloning into '/var/lib/mock/f45-build-22725-593/root/chroot_tmpdir/scmroot/perl-DBI'...
$ git fetch origin 600ba00d34804238106e67cc229c0a90b2e4ee38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBI
 * [new ref]         600ba00d34804238106e67cc229c0a90b2e4ee38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 600ba00 Fix test for 32bit-perl