$ git clone -n https://gitee.com/xzyang-anolis/firebird.git /var/lib/mock/dist-an23-dde-build-348112-70396/root/chroot_tmpdir/scmroot/firebird
Cloning into '/var/lib/mock/dist-an23-dde-build-348112-70396/root/chroot_tmpdir/scmroot/firebird'...
$ git fetch origin caa51deae8fabcbb665545fb7dd61df168dabc79:KOJI_FETCH_HEAD
From https://gitee.com/xzyang-anolis/firebird
 * [new ref]         caa51deae8fabcbb665545fb7dd61df168dabc79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at caa51de add loongarch support