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Google Apps Script for committing a file to Github Repo
/* A bare-bones GithubClient, just used for commits */
function GithubClient(owner, repo, username, passwordOrToken) {
this.owner = owner;
this.repo = repo;
this.username = username;
this.passwordOrToken = passwordOrToken;
}
/*
Commits content to the Github repo.
Does not do *anything* to handle errors.
@param {string} content - Content to commit
@param {string} email - Committer email
@returns {string} URL of new commit
*/
GithubClient.prototype.commit = function(content, filename, email) {
// Get the head of the master branch
// See http://developer.github.com/v3/git/refs/
var branch = this.makeRequest("get", "refs/heads/master");
var lastCommitSha = branch['object']['sha'];
// Get the last commit
// See http://developer.github.com/v3/git/commits/
var lastCommit = this.makeRequest("get", "commits/" + lastCommitSha);
var lastTreeSha = lastCommit['tree']['sha'];
// Create tree object (also implicitly creates a blob based on content)
// See http://developer.github.com/v3/git/trees/
var newContentTree = this.makeRequest("post", "trees",
{base_tree: lastTreeSha,
tree: [{path: filename,
content: content,
mode: "100644"
}]})
var newContentTreeSha = newContentTree["sha"];
var committer = {"name": "WoeBot Team",
"email": email};
// Create commit
// See http://developer.github.com/v3/git/commits/
var date = new Date().toLocaleDateString("en-us");
var message = "Committing spreadsheet content on " + date;
var newCommit = this.makeRequest("post", "commits",
{parents: [lastCommitSha],
tree: newContentTreeSha,
committer: committer,
message: message})
var newCommitSha = newCommit['sha'];
// Update branch to point to new commit
// See http://developer.github.com/v3/git/refs/
this.makeRequest("patch", "refs/heads/master", {sha: newCommitSha});
return newCommit["html_url"];
};
/*
Makes authenticated HTTP request to Github client.
@param {string} method - HTTP method
@param {string} email - Committer email
@returns {string} URL of new commit
*/
GithubClient.prototype.makeRequest = function(method, resource, data) {
var GITHUB_URL = "https://api.github.com" +
"/repos/" + this.owner + "/" + this.repo + "/git/" + resource;
var headers = {
"Authorization" : "Basic " + Utilities.base64Encode(this.username + ':' + this.passwordOrToken)
};
var options = {'headers': headers, method: method};
if (data) {
options['contentType'] = 'application/json';
options['payload'] = JSON.stringify(data);
}
var response = UrlFetchApp.fetch(GITHUB_URL, options);
return JSON.parse(response);
}
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