$ git clone -n https://src.fedoraproject.org/rpms/python-crossword.git /var/lib/mock/f45-build-30173-643/root/chroot_tmpdir/scmroot/python-crossword
Cloning into '/var/lib/mock/f45-build-30173-643/root/chroot_tmpdir/scmroot/python-crossword'...
$ git fetch origin de989572ab1004c727ba8b2ce43afa64db3b8ff2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-crossword
 * [new ref]         de989572ab1004c727ba8b2ce43afa64db3b8ff2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de98957 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild