$ git clone -n https://src.fedoraproject.org/rpms/python-heapdict.git /var/lib/mock/f45-build-30933-648/root/chroot_tmpdir/scmroot/python-heapdict
Cloning into '/var/lib/mock/f45-build-30933-648/root/chroot_tmpdir/scmroot/python-heapdict'...
$ git fetch origin a062d7bfcdfc6cae9285b8db01f2aa883144516d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-heapdict
 * [new ref]         a062d7bfcdfc6cae9285b8db01f2aa883144516d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a062d7b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild