$ git clone -n https://src.fedoraproject.org/rpms/python-pathspec.git /var/lib/mock/f45-build-39487-735/root/chroot_tmpdir/scmroot/python-pathspec
Cloning into '/var/lib/mock/f45-build-39487-735/root/chroot_tmpdir/scmroot/python-pathspec'...
$ git fetch origin ca62c23cea64e0506367c0c504998a1d75d50128:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pathspec
 * [new ref]         ca62c23cea64e0506367c0c504998a1d75d50128 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca62c23 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild