$ git clone -n https://src.fedoraproject.org/rpms/python-hyperlink.git /var/lib/mock/f45-build-31020-649/root/chroot_tmpdir/scmroot/python-hyperlink
Cloning into '/var/lib/mock/f45-build-31020-649/root/chroot_tmpdir/scmroot/python-hyperlink'...
$ git fetch origin e52e2b2cc4c8f061207f967f028f6b2af6d65421:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-hyperlink
 * [new ref]         e52e2b2cc4c8f061207f967f028f6b2af6d65421 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e52e2b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild