$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc8-firefox-build-81182-54825/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc8-firefox-build-81182-54825/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 195f1c281417d2c5291db31ffed569839fc22c84:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         195f1c281417d2c5291db31ffed569839fc22c84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 195f1c2 Add auto-patch changlog