$ git clone -n https://gitee.com/kanghou-silver/libdb.git /var/lib/mock/dist-an8.9-build-374614-71583/root/chroot_tmpdir/scmroot/libdb
Cloning into '/var/lib/mock/dist-an8.9-build-374614-71583/root/chroot_tmpdir/scmroot/libdb'...
$ git fetch origin 92ce4752ce302951bb7e36f9ecc1a8083cd64204:KOJI_FETCH_HEAD
From https://gitee.com/kanghou-silver/libdb
 * [new ref]         92ce4752ce302951bb7e36f9ecc1a8083cd64204 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92ce475 add sw8a