$ git clone -n https://src.fedoraproject.org/rpms/python-pillow.git /var/lib/mock/f40-build-734846-106088/root/chroot_tmpdir/scmroot/python-pillow
Cloning into '/var/lib/mock/f40-build-734846-106088/root/chroot_tmpdir/scmroot/python-pillow'...
$ git fetch origin 60ec76a7ee90f392d5de891bc1f3a7c9b57e994e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pillow
 * [new ref]         60ec76a7ee90f392d5de891bc1f3a7c9b57e994e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60ec76a Update to 10.1.10