$ git clone -n https://src.fedoraproject.org/rpms/python-pymatreader.git /var/lib/mock/f39-build-1788241-41730/root/chroot_tmpdir/scmroot/python-pymatreader
Cloning into '/var/lib/mock/f39-build-1788241-41730/root/chroot_tmpdir/scmroot/python-pymatreader'...
$ git fetch origin efc955506ccd56a5fcaefa00a96cc25de7fabc5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pymatreader
 * [new ref]         efc955506ccd56a5fcaefa00a96cc25de7fabc5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at efc9555 [packit] 0.0.32 upstream release