$ git clone -n https://gitee.com/yangcheng1203/guestfs-tools.git /var/lib/mock/dist-an23-build-452251-73514/root/chroot_tmpdir/scmroot/guestfs-tools
Cloning into '/var/lib/mock/dist-an23-build-452251-73514/root/chroot_tmpdir/scmroot/guestfs-tools'...
$ git fetch origin 30ddb117816542545b4ac4b0f4c0f5ce0c6fb679:KOJI_FETCH_HEAD
From https://gitee.com/yangcheng1203/guestfs-tools
 * [new ref]         30ddb117816542545b4ac4b0f4c0f5ce0c6fb679 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30ddb11 Init package from upstream