Github Archive's WatchEvent

recommend.pig

/* Watch events happen whenever a user 'watches' a github project */
watch_events = LOAD '/tmp/WatchEvent'; /* s3://github-explorer/WatchEvent */
watch_ratings = FOREACH watch_events GENERATE (chararray)$0#'actor'#'login' AS follower:chararray,
                                              (chararray)$0#'repo'#'name' AS repo:chararray,
                                              1.0 AS rating;

WatchEvent.json

{
    "type": "WatchEvent",
    "actor": {
        "avatar_url": "https://secure.gravatar.com/avatar/2a8d090768d237544a7c69a0f9c217c7?d=http://github.dev%2Fimages%2Fgravatars%2Fgravatar-user-420.png",
        "url": "https://api.github.dev/users/timgluz",
        "login": "timgluz",
        "id": 1223889,
        "gravatar_id": "2a8d090768d237544a7c69a0f9c217c7"
    },
    "repo": {
        "url": "https://api.github.dev/repos/bartaz/impress.js",
        "id": 3065454,
        "name": "bartaz/impress.js"
    },
    "public": true,
    "payload": {
        "action": "started"
    },
    "id": "1508512289",
    "created_at": "2012-01-01T00:01:12Z"
}