$ git clone -n https://src.fedoraproject.org/rpms/collada-dom.git /var/lib/mock/f45-build-6834-352/root/chroot_tmpdir/scmroot/collada-dom
Cloning into '/var/lib/mock/f45-build-6834-352/root/chroot_tmpdir/scmroot/collada-dom'...
$ git fetch origin 7587fda68908f79dc717c1dbafe9793d41f5d4de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/collada-dom
 * [new ref]         7587fda68908f79dc717c1dbafe9793d41f5d4de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7587fda Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild