$ git clone -n https://gitee.com/src-opencloudos-rpms/thunderbird.git /var/lib/mock/dist-oc8-firefox-build-100197-63608/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-oc8-firefox-build-100197-63608/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin e687f18bf79b528edcba1f3417664b68c16196ff:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/thunderbird
 * [new ref]         e687f18bf79b528edcba1f3417664b68c16196ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e687f18 import thunderbird-115.14.0-1.tl3.ap.1