$ git clone -n https://src.fedoraproject.org/rpms/ocspd.git /var/lib/mock/f42-build-3280172-41340/root/chroot_tmpdir/scmroot/ocspd
Cloning into '/var/lib/mock/f42-build-3280172-41340/root/chroot_tmpdir/scmroot/ocspd'...
$ git fetch origin 760c2f9a21725dbc5bb3aea2084c09b4ecfa1bd8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocspd
 * [new ref]         760c2f9a21725dbc5bb3aea2084c09b4ecfa1bd8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 760c2f9 Add sysusers.d config file to allow rpm to create users/groups automatically