$ git clone -n https://gitee.com/mgb01105731/libxml2_1.git /var/lib/mock/dist-an23-build-353687-71027/root/chroot_tmpdir/scmroot/libxml2_1
Cloning into '/var/lib/mock/dist-an23-build-353687-71027/root/chroot_tmpdir/scmroot/libxml2_1'...
$ git fetch origin d633b26195b5d7c116456736659b3f97ca1f29ac:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libxml2_1
 * [new ref]         d633b26195b5d7c116456736659b3f97ca1f29ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d633b26 update to 2.11.7