src/drivers/github.js
function normCreatedCommit(ghCommit) {
    const commit = Commit.create({
        sha: ghCommit.sha,
        message: ghCommit.message,
        author: getSimpleAuthor(ghCommit.author),
        date: ghCommit.author.date,
        parents: ghCommit.parents.map(function getSha(o) { return o.sha; })
    });

    return commit;
}
function normCreatedCommit(ghCommit) {
    const commit = Commit.create({
        sha: ghCommit.sha,
        message: ghCommit.message,
        author: getSimpleAuthor(ghCommit.author),
        date: ghCommit.author.date,
        parents: ghCommit.parents.map(function getSha(o) { return o.sha; })
    });

    return commit;
}
Normalize a commit coming from the GitHub commit creation API
@param {JSON} ghCommit
@return {Commit}