$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-collections.git /var/lib/mock/f40-build-2408931-60559/root/chroot_tmpdir/scmroot/apache-commons-collections
Cloning into '/var/lib/mock/f40-build-2408931-60559/root/chroot_tmpdir/scmroot/apache-commons-collections'...
$ git fetch origin 16bbf5b596b615ad205b55b6f1cb0faf4d063244:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-collections
 * [new ref]         16bbf5b596b615ad205b55b6f1cb0faf4d063244 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16bbf5b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild