$ git clone -n https://gitee.com/wency_cn/netpbm.git /var/lib/mock/dist-an23-build-492769-74562/root/chroot_tmpdir/scmroot/netpbm
Cloning into '/var/lib/mock/dist-an23-build-492769-74562/root/chroot_tmpdir/scmroot/netpbm'...
$ git fetch origin f0449c678d9eeb003e4d4d23f311f50e3e6130c6:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/netpbm
 * [new ref]         f0449c678d9eeb003e4d4d23f311f50e3e6130c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0449c6 Update code from upstream