c9-core/plugins/c9.ide.scm/git.js

948 wiersze
31 KiB
JavaScript

define(function(require, exports, module) {
main.consumes = [
"Plugin", "scm", "proc", "c9", "fs"
];
main.provides = ["scm.git"];
return main;
function main(options, imports, register) {
var Plugin = imports.Plugin;
var scm = imports.scm;
var proc = imports.proc;
var fs = imports.fs;
var c9 = imports.c9;
var basename = require("path").basename;
var dirname = require("path").dirname;
var join = require("path").join;
/***** Initialization *****/
var plugin = new Plugin("Ajax.org", main.consumes);
var emit = plugin.getEmitter();
var workspaceDir = c9.workspaceDir;
/***** Methods *****/
/**
* Detect whether the path has a git repository
*/
function detect(path, callback) {
fs.exists(join(path, ".git"), function(exists) {
return callback(null, exists);
});
}
var ACTIONS = {
"add": ["status.dirty"],
"reset": ["status.dirty"],
"pull": ["status.dirty", "log.dirty"],
"checkout": ["status.dirty"],
"stash": ["status.dirty"],
"apply": ["status.dirty"],
"commit": ["status.dirty", "log.dirty"]
};
function git(args, cb) {
if (typeof args == "string")
args = args.split(/\s+/);
proc.spawn("git", {
args: args,
cwd: workspaceDir
}, function(e, p) {
// if (e) console.error(e);
buffer(p, function(stdout, stderr) {
// console.log(e, stdout);
var action = ACTIONS[args[0]];
if (action) action.forEach(emit);
cb && cb(e, stdout, stderr);
});
});
}
function buffer(process, callback) {
var stdout = "", stderr = "";
process.stdout.on("data", function(c) {
stdout += c;
});
process.stderr.on("data", function(c) {
stderr += c;
});
process.on("exit", function(c) {
callback(stdout, stderr);
});
}
function addAll(callback) {
git("add -u", callback);
}
function addFileToStaging(paths, callback) {
git(["add", "-f", "--ignore-errors", "--"].concat(paths), callback);
}
function unstageAll(callback) {
git("reset --mixed", callback);
}
function unstage(paths, callback) {
git(["reset", "--mixed", "--"].concat(paths), callback);
}
function fetch(options, callback) {
if (typeof options == "function")
callback = options, options = {};
var args = ["fetch", "-q"];
if (options.prune) args.push("--prune");
if (options.branch) args.push(options.branch);
git(args, function(err, stdout, stderr) {
if (stderr) {
var error = errors.detect(stderr);
if (error)
return callback(error);
}
if (err) return callback(err); // || stderr
return callback();
});
}
function pull(options, callback) {
if (typeof options == "function")
callback = options, options = {};
var args = ["pull", "-q"];
if (options.prune) args.push("--prune");
if (options.branch) args.push(options.branch);
git(args, function(err, stdout, stderr) {
if (stderr) {
var error = errors.detect(stderr);
if (error)
return callback(error);
}
if (err) return callback(err); // || stderr
return callback();
});
}
function push(options, callback) {
if (typeof options == "function")
callback = options, options = {};
var args = ["push", "-q"];
if (options.force) args.push("--force");
if (options.branch) args.push(options.branch);
git(args, function(err, stdout, stderr) {
if (stderr) {
var error = errors.detect(stderr);
if (error)
return callback(error);
}
if (err) return callback(err); // || stderr
return callback();
});
}
function getRemotes(callback) {
git(["remote", "-v"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
var remotes = {};
stdout.split("\n").forEach(function(line) {
var parts = line.split(/\s+/);
if (remotes[parts[0]] || !parts[0]) return;
remotes[parts[0]] = parts[1];
});
callback(null, remotes);
});
}
function addRemote(name, url, callback) {
git(["remote", "add", name, url], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function removeRemote(name, callback) {
git(["remote", "remove", name], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function addBranch(name, basedOn, callback) {
git(["update-ref", name, basedOn], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function removeBranch(name, callback) {
// detect remote: git push origin :master
var m;
if (name.indexOf("refs/heads") === 0 || name.indexOf("refs/tags") === 0) {
git(["update-ref", name, "-d"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
else if ((m = name.match(/refs\/remotes\/([^\/]+)\/(.*)/))) {
git(["push", m[1], ":" + m[2], "-q"], function(err, stdout, stderr) {
// It was already deleted, so intent is success
if (stderr.indexOf("remote ref does not exist") > -1) {
git(["update-ref", name, "-d"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
return;
}
callback(err || stderr);
});
}
else callback(new Error("Not Supported"));
}
function renameBranch(fromName, toName, callback) {
if (fromName.indexOf("refs/heads") !== 0)
return callback(new Error("Unable to rename remote branches"));
addBranch(toName, fromName, function(err) {
if (err) return callback(err);
removeBranch(fromName, function(err) {
callback(err);
});
});
}
function getCurrentBranch(callback) {
git(["branch"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
var current = (stdout.match(/^\* ([^\s]+)/m) || 0)[1];
return callback(null, current || null);
});
}
var errors = {
detect: function(output) {
for (var prop in errors) {
var err;
if (prop.substr(0, 2) == "is") {
err = errors[prop](output);
if (err) return err;
}
}
return false;
}
};
[{
name: "LocalChanges",
code: 100,
detect: /Your local changes to the following files would be overwritten/
}, {
name: "UnknownBranch",
code: 101,
detect: /did not match any file\(s\) known to git/
}, {
name: "NoPushDestination",
code: 102,
detect: /fatal: No configured push destination/
}, {
name: "NoRemoteRepo",
code: 103,
detect: /fatal: No remote repository specified/
}, {
name: "NotARepo",
code: 104,
detect: /fatal: Not a git repository/
}].forEach(function(def) {
errors[def.name] = function(msg) { this.message = msg; };
errors[def.name].prototype = new Error();
errors[def.name].prototype.code = def.code;
def.error = errors[def.name];
errors["is" + def.name] = function(output) {
if (def.detect.test(output))
return new errors[def.name](output);
};
errors[def.name.toUpperCase()] = def.code;
});
function checkout(name, callback) {
name = name.replace(/^refs\/(?:remotes\/[^\/]+|heads)\//, "");
git(["checkout", "-q", name], function(err, stdout, stderr) {
if (stderr) {
var error = errors.detect(stderr);
if (error)
return callback(error);
}
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function revert(path, callback) {
git(["checkout", path], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function stash(callback) {
git(["stash"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function stashApply(callback) {
git(["stash", "apply"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function stashPop(callback) {
git(["stash", "pop"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function resetHard(callback) {
git(["reset", "--hard"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback();
});
}
function removeAllLocalMerged(callback) {
var script =
'git checkout master || { echo "Failed to switch to master. Aborting"; exit 1; }\n'
+ 'git branch --merged | grep -v "\*" | xargs -n 1 git branch -d';
proc.spawn("bash", {
args: ["-l", "-c", script],
cwd: workspaceDir
}, function(e, p) {
if (e) return callback(e);
buffer(p, function(stdout, stderr) {
if (stderr) return callback(stderr);
callback();
});
});
}
function getStatus(options, cb) {
var args = [];
var hash = options.hash;
var base = options.base;
if ((hash || base) && !options.twoWay) {
args.push("diff", "--name-status", "-b", "-z",
"--no-textconv", "--no-ext-diff", "--no-color",
"--find-renames"
);
if (hash == "staging")
hash = "--cached";
if (base == "staging")
base = "--cached";
if (hash === 0 || base === 0) {
args.push(base || hash);
} else {
args.push(base || hash + "^1", hash);
}
} else {
options.twoWay = true;
args.push("status", "--porcelain", "-b", "-z");
// if (!ignored.isOpen)
args.push("--untracked-files=no");
if (options.untracked == "all")
args.push("--untracked-files=all");
if (options.ignored)
args.push("--ignored");
}
args.push("--");
if (options.path)
args.push(options.path);
proc.execFile("git", {
args: args,
cwd: workspaceDir
}, function(err, stdout, stderr) {
if (err) {
if (/fatal: bad revision/.test(err.message)) {
var EMPTY = "4b825dc642cb6eb9a060e54bf8d69288fbee4904";
if (options.base != EMPTY) {
options.base = EMPTY;
return getStatus(options, cb);
}
}
return cb(err);
}
// console.log(err, stdout);
// console.log(t-Date.now(), stdout.length);
var status = parseStatus(stdout, options.twoWay);
if (options.twoWay)
emit("status", { status: status });
cb(err, status);
});
}
function parseStatus(stdout, twoWay) {
var status = (stdout || "").split("\x00");
var results = {};
console.log(status);
var i, x, name;
if (twoWay) {
status.shift();
if (status.length == 1 && status[0] == "")
return null;
var changed = [];
var staged = [];
var ignored = [];
var conflicts = [];
var untracked = [];
for (i = 0; i < status.length; i++) {
x = status[i];
name = x.substr(3);
if (!name) continue;
if (x[0] == "U" || x[1] == "U") {
conflicts.push({
label: name,
path: name,
type: x[0] + x[1]
});
continue;
}
if (x[0] == "R") {
i++;
staged.push({
label: name,
path: name,
originalPath: status[i],
type: x[0]
});
}
else if (x[0] != " " && x[0] != "?") {
staged.push({
label: name,
path: name,
type: x[0]
});
}
if (x[1] == "?") {
untracked.push({
label: name,
path: name,
type: x[1],
isFolder: name.slice(-1) == "/"
});
}
else if (x[1] == "!") {
ignored.push({
label: name,
path: name,
type: x[1],
isFolder: name.slice(-1) == "/"
});
}
else if (x[1] != " ") {
changed.push({
label: name,
path: name,
type: x[1]
});
}
}
if (changed.length) results["changed"] = changed;
if (staged.length) results["staged"] = staged;
if (ignored.length) results["ignored"] = ignored;
if (conflicts.length) results["conflicts"] = conflicts;
if (untracked.length) results["untracked"] = untracked;
}
else {
results.history = [];
for (i = 0; i < status.length; i += 2) {
x = status[i];
name = status[i + 1];
if (!name) continue;
if (x[0] == "R") {
i++;
results.history.push({
label: status[i + 1] + "(from " + name + ")",
path: name,
originalPath: status[i + 1],
type: x[0]
});
} else {
results.history.push({
label: name,
path: name,
type: x[0]
});
}
}
}
return results;
}
function getLog(options, cb) {
var t = Date.now();
git(["rev-list", "HEAD", "--count"], function(err, stdout, stderr) {
if (err) return cb(err);
console.log(err, stdout);
console.log(t - Date.now(), stdout.length);
var args = ["log", "--topo-order", "--date=raw"];
if (options.boundary !== false) args.push("--boundary");
if (options.logOptions) args.push.apply(args, options.logOptions);
// not using %D since it is missing on git 1.9
args.push('--pretty=format:' + (options.format || "%h %p %d %B %an %ct %ae ").replace(/ /g, "%x00"));
args.push("--all");
args.push("HEAD");
args.push("-n", options.count || 1000);
if (options.from)
args.push("--skip=" + options.from);
args.push("--");
if (options.path)
args.push(options.path);
git(args, function(err, stdout, stderr) {
if (err) return cb(err);
var data = stdout.trim().split("\x00\n");
// handle empty git history
if (data.length == 1 && !data[0]) {
data = [];
}
var root = [];
var head;
for (var i = 0; i < data.length; i++) {
var line = data[i].split("\x00");
var branches = line[2];
if (branches) {
// remove braces
branches = branches
.replace(/^\s*\(\s*/g, "")
.replace(/\s*\)\s*$/g, "");
if (/(^|, )HEAD[, ]/.test(branches))
head = line[0];
}
root.push({
hash: line[0],
parents: line[1],
message: line[3],
label: line[3].substring(0, line[3].indexOf("\n") + 1 || undefined),
branches: branches || undefined, // set to undefined to not keep in JSON.stringify
authorname: line[4],
date: line[5],
authoremail: line[6],
});
}
// console.log(err, x);
console.log(t - Date.now(), stdout.length);
root.unshift({
label: "// WIP",
hash: 0,
parents: head
});
emit("log", root);
cb(null, root);
});
});
}
function getLastLogMessage(callback) {
git(["log", "-n", "1", "--pretty=format:%s"], function(err, stdout, stderr) {
if (err || stderr) return callback(err || stderr);
return callback(null, stdout);
});
}
function getFileAtHash(hash, path, cb) {
var id = hash;
if (path) {
if (!hash) {
if (path[0] != "/")
path = "/" + path;
return proc.readfile(path, {}, cb);
}
if (hash == "staging")
hash = "";
if (path[0] == "/")
path = path.substr(1);
id = hash + ":" + path;
}
proc.execFile("git", {
args: ["show", id],
maxBuffer: 1000 * 1024,
cwd: workspaceDir
}, function(err, stdout, stderr) {
cb(err, stdout, stderr);
});
}
function loadDiff(options, callback) {
var req = {};
var args = ["diff"];
if (options.context !== false)
args.push("-U" + (options.context || 20000));
var oldPath = options.oldPath || "";
var newPath = options.newPath || "";
if (oldPath.indexOf("refs") === 0 && !~oldPath.indexOf(":"))
oldPath += ":";
if (newPath.indexOf("refs") === 0 && ~newPath.indexOf(":"))
newPath += ":";
if (oldPath)
args.push(oldPath);
if (newPath)
args.push(newPath);
git(args, function(err, stdout, stderr) {
if (err || !stdout) {
return getFileAtHash(options.oldPath, "", function(err, orig) {
getFileAtHash(options.newPath, "", function(err, edit) {
callback(err, {
request: req,
orig: orig || "",
edit: edit || ""
});
});
});
}
callback(null, {
request: req,
patch: stdout
});
});
return req;
}
function addLinesToStaging(patch, cb) {
proc.spawn("git", {
args: ["apply", "--cached", "--unidiff-zero", "--whitespace=nowarn", "-"], // "--recount",
cwd: workspaceDir
}, function(err, p) {
if (err) return cb(err);
var process = p.process;
var stderr = "";
var stdout = "";
process.stdout.on("data", function(e) {
stdout += e;
});
process.stderr.on("data", function(e) {
stderr += e;
});
process.on("exit", function(e) {
cb(e, stdout, stderr);
});
process.stdin.write(patch);
process.stdin.end();
});
}
// TODO reload
function updateCommitStatus(ammend, callback) {
var args = ["commit", "--dry-run", "--porcelain", "--branch", "-z"];
if (ammend)
args.push("--amend");
git(args, callback);
}
function commit(options, callback) {
if (!options.message) return;
var args = ["commit", options.amend && "--amend", "-m", options.message].filter(Boolean);
git(args, callback);
}
function listAllRefs(cb, name) {
var args = ["for-each-ref", "--count=3000", "--sort=*objecttype", "--sort=-committerdate"];
if (name) args.push(name);
args.push(
'--format=%(objectname:short) %(refname) %(upstream:trackshort) %(objecttype) %(subject) %(authorname) %(authoremail) %(committerdate:raw)'.replace(/ /g, "%00")
);
git(args, function(err, stdout) {
if (err) return cb(err);
var data = stdout.trim().split("\n").map(function(x) {
var parts = x.split("\x00");
return {
hash: parts[0],
name: parts[1],
upstream: parts[2],
type: parts[3],
subject: parts[4],
authorname: parts[5],
authoremail: parts[6],
committerdate: parts[7],
};
});
cb && cb(null, data);
});
}
function listRef(name, cb) {
listAllRefs(function(err, data) {
if (err) return cb(err);
cb(null, data[0]);
}, name);
}
function getBlame(path, callback) {
proc.spawn("git", {
args: ["blame", "-wp", "--", basename(path)],
cwd: c9.workspaceDir + "/" + dirname(path)
}, function(err, process) {
if (err) return callback(err);
buffer(process, function(stdout, stderr) {
callback(stderr, stdout);
});
});
}
/***** Lifecycle *****/
plugin.on("load", function() {
if (scm.register)
scm.register("git", plugin);
});
plugin.on("unload", function() {
if (scm.register)
scm.unregister("git", plugin);
});
/***** Register and define API *****/
/**
*/
plugin.freezePublicAPI({
/**
*
*/
get errors() { return errors; },
/**
*
*/
detect: detect,
/**
*
*/
addAll: addAll,
/**
*
*/
addFileToStaging: addFileToStaging,
/**
*
*/
unstageAll: unstageAll,
/**
*
*/
unstage: unstage,
/**
*
*/
fetch: fetch,
/**
*
*/
pull: pull,
/**
*
*/
git: git,
/**
*
*/
push: push,
/**
*
*/
buffer: buffer,
/**
*
*/
getRemotes: getRemotes,
/**
*
*/
addRemote: addRemote,
/**
*
*/
addBranch: addBranch,
/**
*
*/
removeBranch: removeBranch,
/**
*
*/
renameBranch: renameBranch,
/**
*
*/
getCurrentBranch: getCurrentBranch,
/**
*
*/
checkout: checkout,
/**
*
*/
removeRemote: removeRemote,
/**
*
*/
getStatus: getStatus,
/**
*
*/
getLog: getLog,
/**
*
*/
getFileAtHash: getFileAtHash,
/**
*
*/
loadDiff: loadDiff,
/**
*
*/
addLinesToStaging: addLinesToStaging,
/**
*
*/
updateCommitStatus: updateCommitStatus,
/**
*
*/
commit: commit,
/**
*
*/
listAllRefs: listAllRefs,
/**
*
*/
listRef: listRef,
/**
*
*/
getBlame: getBlame,
/**
*
*/
removeAllLocalMerged: removeAllLocalMerged,
/**
*
*/
stash: stash,
/**
*
*/
stashApply: stashApply,
/**
*
*/
stashPop: stashPop,
/**
*
*/
getLastLogMessage: getLastLogMessage,
/**
*
*/
resetHard: resetHard,
/**
*
*/
revert: revert
});
register(null, {
"scm.git": plugin
});
}
});