$ git clone -n https://src.fedoraproject.org/rpms/python-idstools.git /var/lib/mock/f40-build-2231348-53276/root/chroot_tmpdir/scmroot/python-idstools
Cloning into '/var/lib/mock/f40-build-2231348-53276/root/chroot_tmpdir/scmroot/python-idstools'...
$ git fetch origin 286ce4138eabb167651a26013dd8140dcc671078:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-idstools
 * [new ref]         286ce4138eabb167651a26013dd8140dcc671078 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 286ce41 New upstream release