$ git clone -n https://src.fedoraproject.org/rpms/openvpn-auth-ldap.git /var/lib/mock/f42-build-3280194-41340/root/chroot_tmpdir/scmroot/openvpn-auth-ldap
Cloning into '/var/lib/mock/f42-build-3280194-41340/root/chroot_tmpdir/scmroot/openvpn-auth-ldap'...
$ git fetch origin 278905a9c09fa746928a00fd3f7bcdaeb4028d21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openvpn-auth-ldap
 * [new ref]         278905a9c09fa746928a00fd3f7bcdaeb4028d21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 278905a Really rebuild for gnustep-base 1.31.0