$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-137975-79623/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-137975-79623/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin f08c2c1d8d522eafe8c905e33823749e603733ab:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         f08c2c1d8d522eafe8c905e33823749e603733ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f08c2c1 import firefox-128.11.0-1.tl4.ap.1