$ git clone -n https://src.fedoraproject.org/rpms/python-migrate.git /var/lib/mock/f40-build-2154940-50918/root/chroot_tmpdir/scmroot/python-migrate
Cloning into '/var/lib/mock/f40-build-2154940-50918/root/chroot_tmpdir/scmroot/python-migrate'...
$ git fetch origin 30a509e86ceb101d643635cf90a68ac84ec4d5ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-migrate
 * [new ref]         30a509e86ceb101d643635cf90a68ac84ec4d5ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30a509e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild