$ git clone -n https://src.fedoraproject.org/rpms/python-autograd.git /var/lib/mock/f39-build-2231419-53283/root/chroot_tmpdir/scmroot/python-autograd
Cloning into '/var/lib/mock/f39-build-2231419-53283/root/chroot_tmpdir/scmroot/python-autograd'...
$ git fetch origin 8092150cb8acee061d958a0dc9f611005e1f0ed5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-autograd
 * [new ref]         8092150cb8acee061d958a0dc9f611005e1f0ed5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8092150 Add missing license file