Travis-CI无法安装composer deps

Travis-CI start to fail on installing composer deps with next error:

[InvalidArgumentException]                                      
Package ext-ssh2-0.12.0.0 must have a source or dist specified  

https://travis-ci.org/deployphp/deployer/jobs/62059967

Here is composer.json. Locally everything good.

Why Travis-CI fails?

Composer is unable to install php extensions yet.

It looks like you need to provide source for "ext-ssh2", see this issue.

{
    "repositories":[
        {
            "type":"package",
            "package": {
                "name":"bower-asset/seiyria-bootstrap-slider",
                "version":"3.1.0",
                "dist": {
                    "url": "https://github.com/seiyria/bootstrap-slider/archive/3.1.0.zip",
                    "type": "zip"
                }
            }
        }
    ]
}