$ git clone -n https://gitee.com/wenyuzifang/netpbm.git /var/lib/mock/dist-an23-build-480877-74252/root/chroot_tmpdir/scmroot/netpbm
Cloning into '/var/lib/mock/dist-an23-build-480877-74252/root/chroot_tmpdir/scmroot/netpbm'...
$ git fetch origin 45629d4d85bd6d17f88f302e111aa68b71cf3150:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/netpbm
 * [new ref]         45629d4d85bd6d17f88f302e111aa68b71cf3150 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45629d4 Update code from upstream