$ git clone -n https://src.fedoraproject.org/rpms/perl-eperl.git /var/lib/mock/f41-build-759443-13440/root/chroot_tmpdir/scmroot/perl-eperl
Cloning into '/var/lib/mock/f41-build-759443-13440/root/chroot_tmpdir/scmroot/perl-eperl'...
$ git fetch origin f963e2d5d220f0e07b900e4a725adfb8462086f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-eperl
 * [new ref]         f963e2d5d220f0e07b900e4a725adfb8462086f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f963e2d Eliminate use of obsolete %patchN syntax (#2283636)