$ git clone -n https://src.fedoraproject.org/rpms/ksh.git /var/lib/mock/f41-build-1482722-23820/root/chroot_tmpdir/scmroot/ksh
Cloning into '/var/lib/mock/f41-build-1482722-23820/root/chroot_tmpdir/scmroot/ksh'...
$ git fetch origin 7a6bd3abfae51fbb8092a905be1120566d12abcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ksh
 * [new ref]         7a6bd3abfae51fbb8092a905be1120566d12abcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a6bd3a new upstream release