$ git clone -n https://gitee.com/xzyangha/libssh2.git /var/lib/mock/dist-an7_9-updates-build-315517-65941/root/chroot_tmpdir/scmroot/libssh2
Cloning into '/var/lib/mock/dist-an7_9-updates-build-315517-65941/root/chroot_tmpdir/scmroot/libssh2'...
$ git fetch origin 9b1a27a9fe7504ac69abc15db59f7cbab4e6a8a3:KOJI_FETCH_HEAD
From https://gitee.com/xzyangha/libssh2
 * [new ref]         9b1a27a9fe7504ac69abc15db59f7cbab4e6a8a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b1a27a Update to libssh2-1.8.0-4.el7_9.1.