$ git clone -n https://src.fedoraproject.org/rpms/openssh.git /var/lib/mock/f42-build-side-1-3499234-45964/root/chroot_tmpdir/scmroot/openssh
Cloning into '/var/lib/mock/f42-build-side-1-3499234-45964/root/chroot_tmpdir/scmroot/openssh'...
$ git fetch origin 9cfcf4fc069c51ceaf8dda3a6c575ab91f3a21a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openssh
 * [new ref]         9cfcf4fc069c51ceaf8dda3a6c575ab91f3a21a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cfcf4f Remove /usr/sbin and /usr/local/sbin from the default PATH