$ git clone -n https://gitee.com/wenyuzifang/netpbm.git /var/lib/mock/dist-an23-build-462829-73799/root/chroot_tmpdir/scmroot/netpbm
Cloning into '/var/lib/mock/dist-an23-build-462829-73799/root/chroot_tmpdir/scmroot/netpbm'...
$ git fetch origin 37974bee36f18b664bcfa6b04f4155ac4e9f19eb:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/netpbm
 * [new ref]         37974bee36f18b664bcfa6b04f4155ac4e9f19eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37974be Update code from upstream