$ git clone -n https://src.fedoraproject.org/rpms/python-fedora-image-uploader-messages.git /var/lib/mock/f45-build-30714-647/root/chroot_tmpdir/scmroot/python-fedora-image-uploader-messages
Cloning into '/var/lib/mock/f45-build-30714-647/root/chroot_tmpdir/scmroot/python-fedora-image-uploader-messages'...
$ git fetch origin 1091dc77bb176ead36f2678040bec17bc07e8f9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fedora-image-uploader-messages
 * [new ref]         1091dc77bb176ead36f2678040bec17bc07e8f9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1091dc7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild