$ git clone -n https://gitee.com/guost123/libssh2.git /var/lib/mock/dist-an23.3-build-431472-73055/root/chroot_tmpdir/scmroot/libssh2
Cloning into '/var/lib/mock/dist-an23.3-build-431472-73055/root/chroot_tmpdir/scmroot/libssh2'...
$ git fetch origin 311ab00a29cff3961b5cf3b45acf2c8804b600e9:KOJI_FETCH_HEAD
From https://gitee.com/guost123/libssh2
 * [new ref]         311ab00a29cff3961b5cf3b45acf2c8804b600e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 311ab00 adapt fir riscv64