$ git clone -n https://gitee.com/xzyang-anolis/thunderbird.git /var/lib/mock/dist-an7_9-updates-build-373555-71547/root/chroot_tmpdir/scmroot/thunderbird
Cloning into '/var/lib/mock/dist-an7_9-updates-build-373555-71547/root/chroot_tmpdir/scmroot/thunderbird'...
$ git fetch origin 6355721b7053def8d2eb05adbdbafeece0a2de6d:KOJI_FETCH_HEAD
From https://gitee.com/xzyang-anolis/thunderbird
 * [new ref]         6355721b7053def8d2eb05adbdbafeece0a2de6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6355721 Update to thunderbird-115.7.0-1.el7_9