$ git clone -n https://src.fedoraproject.org/rpms/sqlitecpp.git /var/lib/mock/f42-build-889588-189107/root/chroot_tmpdir/scmroot/sqlitecpp
Cloning into '/var/lib/mock/f42-build-889588-189107/root/chroot_tmpdir/scmroot/sqlitecpp'...
$ git fetch origin ef68e2ad734e284101b33d08a746475a594555e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sqlitecpp
 * [new ref]         ef68e2ad734e284101b33d08a746475a594555e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef68e2a Added missing include to fix FTBFS.