$ git clone -n https://gitee.com/idolsama/libguestfs.git /var/lib/mock/dist-an23-build-326566-68995/root/chroot_tmpdir/scmroot/libguestfs
Cloning into '/var/lib/mock/dist-an23-build-326566-68995/root/chroot_tmpdir/scmroot/libguestfs'...
$ git fetch origin 0a402fb967f9d9ce847380a647010cbaf56975a0:KOJI_FETCH_HEAD
From https://gitee.com/idolsama/libguestfs
 * [new ref]         0a402fb967f9d9ce847380a647010cbaf56975a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a402fb add support for riscv64