$ git clone -n https://src.fedoraproject.org/rpms/python-bsddb3.git /var/lib/mock/f40-build-1538349-23931/root/chroot_tmpdir/scmroot/python-bsddb3
Cloning into '/var/lib/mock/f40-build-1538349-23931/root/chroot_tmpdir/scmroot/python-bsddb3'...
$ git fetch origin 10c443100782e4ac23a35ec283f2ab5bc5590025:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-bsddb3
 * [new ref]         10c443100782e4ac23a35ec283f2ab5bc5590025 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10c4431 Fix flatpak build