$ git clone -n https://src.fedoraproject.org/rpms/python-jupyter-kernel-test.git /var/lib/mock/f40-build-2203959-51942/root/chroot_tmpdir/scmroot/python-jupyter-kernel-test
Cloning into '/var/lib/mock/f40-build-2203959-51942/root/chroot_tmpdir/scmroot/python-jupyter-kernel-test'...
$ git fetch origin 30cabc76ff8f5d665110ff13f925e7d89d7e1d4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jupyter-kernel-test
 * [new ref]         30cabc76ff8f5d665110ff13f925e7d89d7e1d4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30cabc7 Update to latest version (#2235722)