$ git clone -n https://src.fedoraproject.org/rpms/python-pygit2.git /var/lib/mock/f40-build-2121154-50739/root/chroot_tmpdir/scmroot/python-pygit2
Cloning into '/var/lib/mock/f40-build-2121154-50739/root/chroot_tmpdir/scmroot/python-pygit2'...
$ git fetch origin 835ea49fddbc1c49575fcf0779d64f3556001c61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pygit2
 * [new ref]         835ea49fddbc1c49575fcf0779d64f3556001c61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 835ea49 Migrate to SPDX license