nodegit/lib/commit.js at master · modai888/nodegit · GitHub

Repository navigation

History

450 lines (402 loc) · 10.6 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

var events = require("events");

var fp = require("lodash/fp");

var NodeGit = require("../");

var Commit = NodeGit.Commit;

var LookupWrapper = NodeGit.Utils.lookupWrapper;

var _amend = Commit.prototype.amend;

var _parent = Commit.prototype.parent;

/**

* Retrieves the commit pointed to by the oid

* @async

* @param {Repository} repo The repo that the commit lives in

* @param {String|Oid|Commit} id The commit to lookup

* @return {Commit}

Commit.lookup = LookupWrapper(Commit);

/**

* Amend a commit

* @async

* @param {String} update_ref

* @param {Signature} author

* @param {Signature} committer

* @param {String} message_encoding

* @param {String} message

* @param {Tree|Oid} tree

* @param {Oid} callback

Commit.prototype.amend = function (

updateRef, author, committer, message_encoding, message, tree, callback) {

var repo = this.repo;

var _this = this;

var treePromise;

if (tree instanceof NodeGit.Oid){

treePromise = repo.getTree(tree);

} else {

treePromise = Promise.resolve(tree);

}

return treePromise

.then(function(treeObject){

return _amend.call(_this,

updateRef,

author,

committer,

message_encoding,

message,

treeObject

);

});

};

/**

* Amend a commit with the given signature

* @async

* @param {String} updateRef

* @param {Signature} author

* @param {Signature} committer

* @param {String} messageEncoding

* @param {String} message

* @param {Tree|Oid} tree

* @param {Function} onSignature Callback to be called with string to be signed

* @return {Oid}

Commit.prototype.amendWithSignature = function(

updateRef,

author,

committer,

messageEncoding,

message,

tree,

onSignature

) {

let repo = this.repo;

let parentOids = this.parents();

let _this = this;

let promises = [];

if (tree instanceof NodeGit.Oid) {

promises.push(repo.getTree(tree));

} else {

promises.push(Promise.resolve(tree));

}

parentOids.forEach(function (parentOid) {

promises.push(repo.getCommit(parentOid));

});

let treeObject;

let parents;

let commitContent;

let commit;

let skippedSigning;

let resolvedAuthor;

let resolvedCommitter;

let resolvedMessageEncoding;

let resolvedMessage;

let resolvedTree;

let createCommitPromise = Promise.all(promises)

.then(function(results) {

treeObject = fp.head(results);

parents = fp.tail(results);

return _this.getTree();

})

.then(function(commitTreeResult) {

let commitTree = commitTreeResult;

let truthyArgs = fp.omitBy(

fp.isNil,

{

author,

committer,

messageEncoding,

message,

tree: treeObject

}

);

let commitFields = {

author: _this.author(),

committer: _this.committer(),

messageEncoding: _this.messageEncoding(),

message: _this.message(),

tree: commitTree

};

({

author: resolvedAuthor,

committer: resolvedCommitter,

messageEncoding: resolvedMessageEncoding,

message: resolvedMessage,

tree: resolvedTree

} = fp.assign(

commitFields,

truthyArgs

));

return Commit.createBuffer(

repo,

resolvedAuthor,

resolvedCommitter,

resolvedMessageEncoding,

resolvedMessage,

resolvedTree,

parents.length,

parents

);

})

.then(function(commitContentResult) {

commitContent = commitContentResult;

if (!commitContent.endsWith("\n")) {

commitContent += "\n";

}

return onSignature(commitContent);

})

.then(function({ code, field, signedData }) {

switch (code) {

case NodeGit.Error.CODE.OK:

return Commit.createWithSignature(

repo,

commitContent,

signedData,

field

);

case NodeGit.Error.CODE.PASSTHROUGH:

skippedSigning = true;

return Commit.create(

repo,

updateRef,

resolvedAuthor,

resolvedCommitter,

resolvedMessageEncoding,

resolvedMessage,

resolvedTree,

parents.length,

parents

);

default: {

const error = new Error(

`Commit.amendWithSignature threw with error code ${code}`

);

error.errno = code;

throw error;

}

});

if (!updateRef) {

return createCommitPromise;

}

return createCommitPromise

.then(function(commitOid) {

if (skippedSigning) {

return commitOid;

}

return repo.getCommit(commitOid)

.then(function(commitResult) {

commit = commitResult;

return repo.getReference(updateRef);

}).then(function(ref) {

return ref.setTarget(

commitOid,

`commit (amend): ${commit.summary()}`

);

}).then(function() {

return commitOid;

});

};

/**

* Retrieve the commit time as a Date object.

* @return {Date}

Commit.prototype.date = function() {

return new Date(this.timeMs());

};

/**

* Generate an array of diff trees showing changes between this commit

* and its parent(s).

* @async

* @param {Function} callback

* @return {Array<Diff>} an array of diffs

Commit.prototype.getDiff = function(callback) {

return this.getDiffWithOptions(null, callback);

};

/**

* Generate an array of diff trees showing changes between this commit

* and its parent(s).

* @async

* @param {Object} options

* @param {Function} callback

* @return {Array<Diff>} an array of diffs

Commit.prototype.getDiffWithOptions = function(options, callback) {

var commit = this;

return commit.getTree().then(function(thisTree) {

return commit.getParents().then(function(parents) {

var diffs;

if (parents.length) {

diffs = parents.map(function(parent) {

return parent.getTree().then(function(parentTree) {

return thisTree.diffWithOptions(parentTree, options);

});

} else {

diffs = [thisTree.diffWithOptions(null, options)];

}

return Promise.all(diffs);

});

}).then(function(diffs) {

if (typeof callback === "function") {

callback(null, diffs);

}

return diffs;

}, callback);

};

/**

* Retrieve the entry represented by path for this commit.

* Path must be relative to repository root.

* @async

* @param {String} path

* @return {TreeEntry}

Commit.prototype.getEntry = function(path, callback) {

return this.getTree().then(function(tree) {

return tree.getEntry(path).then(function(entry) {

if (typeof callback === "function") {

callback(null, entry);

}

return entry;

});

}, callback);

};

/**

* Retrieve the commit's parents as commit objects.

* @async

* @param {number} limit Optional amount of parents to return.

* @param {Function} callback

* @return {Array<Commit>} array of commits

Commit.prototype.getParents = function(limit, callback) {

var parents = [];

// Shift arguments.

if (typeof limit === "function") {

callback = limit;

}

// If no limit was set, default to the maximum parents.

limit = typeof limit === "number" ? limit : this.parentcount();

limit = Math.min(limit, this.parentcount());

for (var i = 0; i < limit; i++) {

var oid = this.parentId(i);

var parent = this.repo.getCommit(oid);

parents.push(parent);

}

// Wait for all parents to complete, before returning.

return Promise.all(parents).then(function(parents) {

if (typeof callback === "function") {

callback(null, parents);

}

return parents;

}, callback);

};

/**

* @typedef extractedSignature

* @type {Object}

* @property {String} signature the signature of the commit

* @property {String} signedData the extracted signed data

/**

* Retrieve the signature and signed data for a commit.

* @param {String} field Optional field to get from the signature,

* defaults to gpgsig

* @return {extractedSignature}

Commit.prototype.getSignature = function(field) {

return Commit.extractSignature(this.repo, this.id(), field);

};

/**

* Get the tree associated with this commit.

* @async

* @return {Tree}

Commit.prototype.getTree = function(callback) {

return this.repo.getTree(this.treeId(), callback);

};

/**

* Walk the history from this commit backwards.

* An EventEmitter is returned that will emit a "commit" event for each

* commit in the history, and one "end" event when the walk is completed.

* Don't forget to call `start()` on the returned event.

* @fires EventEmitter#commit Commit

* @fires EventEmitter#end Array<Commit>

* @fires EventEmitter#error Error

* @return {EventEmitter}

* @start start()

Commit.prototype.history = function() {

var event = new events.EventEmitter();

var oid = this.id();

var revwalk = this.repo.createRevWalk();

revwalk.sorting.apply(revwalk, arguments);

var commits = [];

event.start = function() {

revwalk.walk(oid, function commitRevWalk(error, commit) {

if (error) {

if (error.errno === NodeGit.Error.CODE.ITEROVER) {

event.emit("end", commits);

return;

} else {

return event.emit("error", error);

}

event.emit("commit", commit);

commits.push(commit);

});

};

return event;

};

/**

* Get the specified parent of the commit.

* @param {number} the position of the parent, starting from 0

* @async

* @return {Commit} the parent commit at the specified position

Commit.prototype.parent = function (id) {

var repository = this.repo;

return _parent.call(this, id).then(function(parent) {

parent.repo = repository;

return parent;

});

};

/**

* Retrieve the commit's parent shas.

* @return {Array<Oid>} array of oids

Commit.prototype.parents = function() {

var result = [];

for (var i = 0; i < this.parentcount(); i++) {

result.push(this.parentId(i));

}

return result;

};

/**

* Retrieve the SHA.

* @return {String}

Commit.prototype.sha = function() {

return this.id().toString();

};

/**

* Retrieve the commit time as a unix timestamp.

* @return {Number}

Commit.prototype.timeMs = function() {

return this.time() * 1000;

};

/**

* The sha of this commit

* @return {String}

Commit.prototype.toString = function() {

return this.sha();

};

nodegit/lib/commit.js at master · modai888/nodegit · GitHub

Repository navigation

Expand file tree

Breadcrumbs

commit.js

Latest commit

History

Breadcrumbs

commit.js

File metadata and controls