$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc8-firefox-build-250676-84029/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc8-firefox-build-250676-84029/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 715862f4d2280c70148dd81d471c1709a67d4bac:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         715862f4d2280c70148dd81d471c1709a67d4bac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 715862f import firefox-140.16.0-1.tl3.ap.1