$ git clone -n https://gitee.com/fundawang/libssh2.git /var/lib/mock/dist-an23-build-285163-64769/root/chroot_tmpdir/scmroot/libssh2
Cloning into '/var/lib/mock/dist-an23-build-285163-64769/root/chroot_tmpdir/scmroot/libssh2'...
$ git fetch origin 5b7d4d0ec00766290a48a4073935c3b221cd69a1:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/libssh2
 * [new ref]         5b7d4d0ec00766290a48a4073935c3b221cd69a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b7d4d0 add patch