$ git clone -n https://src.fedoraproject.org/rpms/libssh.git /var/lib/mock/f41-build-side-1-2645537-27108/root/chroot_tmpdir/scmroot/libssh
Cloning into '/var/lib/mock/f41-build-side-1-2645537-27108/root/chroot_tmpdir/scmroot/libssh'...
$ git fetch origin 3de2c70d835358eaa02c15777914764af36995e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libssh
 * [new ref]         3de2c70d835358eaa02c15777914764af36995e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3de2c70 0.11.1-1