$ git clone -n https://src.fedoraproject.org/rpms/python-autograd.git /var/lib/mock/f39-build-1882513-42766/root/chroot_tmpdir/scmroot/python-autograd
Cloning into '/var/lib/mock/f39-build-1882513-42766/root/chroot_tmpdir/scmroot/python-autograd'...
$ git fetch origin 2354d18dfb47926e66f63737fa15098b6818e8fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-autograd
 * [new ref]         2354d18dfb47926e66f63737fa15098b6818e8fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2354d18 feat: update to 1.6.2 (fixes rhbz#2216768)