$ git clone -n https://gitee.com/alpha-wang/libssh2.git /var/lib/mock/dist-an8.9-build-417864-72835/root/chroot_tmpdir/scmroot/libssh2
Cloning into '/var/lib/mock/dist-an8.9-build-417864-72835/root/chroot_tmpdir/scmroot/libssh2'...
$ git fetch origin a625a39c6227fa873ccac9500bec1f4f145c5de6:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/libssh2
 * [new ref]         a625a39c6227fa873ccac9500bec1f4f145c5de6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a625a39 update to libssh2-1.10.0-1.el8.src.rpm