{
  "ConfigVersion": "0.9",
  "ArtifactsDest": "target",
  "Arch": "386,amd64",
  "Os": "darwin,linux,windows",
  "PackageVersion": "0.25.0",
  "PrereleaseInfo": "snapshot",
  "Verbosity": "v",
  "Resources": {
    "Include": "INSTALL*,README*,LICENSE*",
    "Exclude": "*.go"
  },
  "TaskSettings": {
    "archive": {
      "os": {
        "linux": "TarGz",
        "darwin": "TarGz"
      }
    },
    "downloads-page": {
      "fileheader": "",
      "filename": ""
    },
    "pkg-build": {
      "metadata": {
        "description": "Fast GitHub command line client",
        "maintainer": "Jingwen Owen Ou (http://owenou.com)"
      },
      "metadata-deb": {
        "Depends": "",
        "Homepage": "http://owenou.com/gh"
      }
    }
  }
}

{
  "ConfigVersion": "0.9",
  "ArtifactsDest": "target",
  "Arch": "386,amd64",
  "Os": "darwin,linux,windows",
  "PackageVersion": "0.25.0",
  "PrereleaseInfo": "snapshot",
  "Verbosity": "v",
  "Resources": {
    "Include": "INSTALL*,README*,LICENSE*",
    "Exclude": "*.go"
  },
  "TaskSettings": {
    "downloads-page": {
      "fileheader": "",
      "filename": ""
    },
    "pkg-build": {
      "metadata": {
        "description": "Fast GitHub command line client",
        "maintainer": "Jingwen Owen Ou (http://owenou.com)"
      },
      "metadata-deb": {
        "Depends": "",
        "Homepage": "http://owenou.com/gh"
      }
    }
  }
}

Use zip for darwin build
Use zip for darwin build