$ git clone -n https://src.fedoraproject.org/rpms/gnome-initial-setup.git /var/lib/mock/f40-build-2165042-50972/root/chroot_tmpdir/scmroot/gnome-initial-setup
Cloning into '/var/lib/mock/f40-build-2165042-50972/root/chroot_tmpdir/scmroot/gnome-initial-setup'...
$ git fetch origin 33ca18287c74aab91866c448083da08bed6b64d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-initial-setup
 * [new ref]         33ca18287c74aab91866c448083da08bed6b64d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33ca182 Fix failure from bug in back button patch