$ git clone -n https://gitee.com/src-anolis-os/libssh2.git /var/lib/mock/dist-an8-epao-build-419438-72885/root/chroot_tmpdir/scmroot/libssh2
Cloning into '/var/lib/mock/dist-an8-epao-build-419438-72885/root/chroot_tmpdir/scmroot/libssh2'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libssh2
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a625a39 update to libssh2-1.10.0-1.el8.src.rpm