$ git clone -n https://src.fedoraproject.org/rpms/openssh.git /var/lib/mock/f39-build-1453277-32875/root/chroot_tmpdir/scmroot/openssh
Cloning into '/var/lib/mock/f39-build-1453277-32875/root/chroot_tmpdir/scmroot/openssh'...
$ git fetch origin 743c17bbc1825867d3a2e96c9c3892dc6650922e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openssh
 * [new ref]         743c17bbc1825867d3a2e96c9c3892dc6650922e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 743c17b  Revert "Remove sshd.socket unit (rhbz#2025716)"