Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | # Copyright 2014 the V8 project authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | # This script retrieves the history of all V8 branches and |
| 7 | # their corresponding Chromium revisions. |
| 8 | |
| 9 | # Requires a chromium checkout with branch heads: |
| 10 | # gclient sync --with_branch_heads |
| 11 | # gclient fetch |
| 12 | |
| 13 | import argparse |
| 14 | import csv |
| 15 | import itertools |
| 16 | import json |
| 17 | import os |
| 18 | import re |
| 19 | import sys |
| 20 | |
| 21 | from common_includes import * |
| 22 | |
| 23 | CONFIG = { |
| 24 | "BRANCHNAME": "retrieve-v8-releases", |
| 25 | "PERSISTFILE_BASENAME": "/tmp/v8-releases-tempfile", |
| 26 | } |
| 27 | |
| 28 | # Expression for retrieving the bleeding edge revision from a commit message. |
| 29 | PUSH_MSG_SVN_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$") |
| 30 | PUSH_MSG_GIT_RE = re.compile(r".* \(based on ([a-fA-F0-9]+)\)$") |
| 31 | |
| 32 | # Expression for retrieving the merged patches from a merge commit message |
| 33 | # (old and new format). |
| 34 | MERGE_MESSAGE_RE = re.compile(r"^.*[M|m]erged (.+)(\)| into).*$", re.M) |
| 35 | |
| 36 | CHERRY_PICK_TITLE_GIT_RE = re.compile(r"^.* \(cherry\-pick\)\.?$") |
| 37 | |
| 38 | # New git message for cherry-picked CLs. One message per line. |
| 39 | MERGE_MESSAGE_GIT_RE = re.compile(r"^Merged ([a-fA-F0-9]+)\.?$") |
| 40 | |
| 41 | # Expression for retrieving reverted patches from a commit message (old and |
| 42 | # new format). |
| 43 | ROLLBACK_MESSAGE_RE = re.compile(r"^.*[R|r]ollback of (.+)(\)| in).*$", re.M) |
| 44 | |
| 45 | # New git message for reverted CLs. One message per line. |
| 46 | ROLLBACK_MESSAGE_GIT_RE = re.compile(r"^Rollback of ([a-fA-F0-9]+)\.?$") |
| 47 | |
| 48 | # Expression for retrieving the code review link. |
| 49 | REVIEW_LINK_RE = re.compile(r"^Review URL: (.+)$", re.M) |
| 50 | |
| 51 | # Expression with three versions (historical) for extracting the v8 revision |
| 52 | # from the chromium DEPS file. |
| 53 | DEPS_RE = re.compile(r"""^\s*(?:["']v8_revision["']: ["']""" |
| 54 | """|\(Var\("googlecode_url"\) % "v8"\) \+ "\/trunk@""" |
| 55 | """|"http\:\/\/v8\.googlecode\.com\/svn\/trunk@)""" |
| 56 | """([^"']+)["'].*$""", re.M) |
| 57 | |
| 58 | # Expression to pick tag and revision for bleeding edge tags. To be used with |
| 59 | # output of 'svn log'. |
| 60 | BLEEDING_EDGE_TAGS_RE = re.compile( |
| 61 | r"A \/tags\/([^\s]+) \(from \/branches\/bleeding_edge\:(\d+)\)") |
| 62 | |
| 63 | OMAHA_PROXY_URL = "http://omahaproxy.appspot.com/" |
| 64 | |
| 65 | def SortBranches(branches): |
| 66 | """Sort branches with version number names.""" |
| 67 | return sorted(branches, key=SortingKey, reverse=True) |
| 68 | |
| 69 | |
| 70 | def FilterDuplicatesAndReverse(cr_releases): |
| 71 | """Returns the chromium releases in reverse order filtered by v8 revision |
| 72 | duplicates. |
| 73 | |
| 74 | cr_releases is a list of [cr_rev, v8_hsh] reverse-sorted by cr_rev. |
| 75 | """ |
| 76 | last = "" |
| 77 | result = [] |
| 78 | for release in reversed(cr_releases): |
| 79 | if last == release[1]: |
| 80 | continue |
| 81 | last = release[1] |
| 82 | result.append(release) |
| 83 | return result |
| 84 | |
| 85 | |
| 86 | def BuildRevisionRanges(cr_releases): |
| 87 | """Returns a mapping of v8 revision -> chromium ranges. |
| 88 | The ranges are comma-separated, each range has the form R1:R2. The newest |
| 89 | entry is the only one of the form R1, as there is no end range. |
| 90 | |
| 91 | cr_releases is a list of [cr_rev, v8_hsh] reverse-sorted by cr_rev. |
| 92 | cr_rev either refers to a chromium commit position or a chromium branch |
| 93 | number. |
| 94 | """ |
| 95 | range_lists = {} |
| 96 | cr_releases = FilterDuplicatesAndReverse(cr_releases) |
| 97 | |
| 98 | # Visit pairs of cr releases from oldest to newest. |
| 99 | for cr_from, cr_to in itertools.izip( |
| 100 | cr_releases, itertools.islice(cr_releases, 1, None)): |
| 101 | |
| 102 | # Assume the chromium revisions are all different. |
| 103 | assert cr_from[0] != cr_to[0] |
| 104 | |
| 105 | ran = "%s:%d" % (cr_from[0], int(cr_to[0]) - 1) |
| 106 | |
| 107 | # Collect the ranges in lists per revision. |
| 108 | range_lists.setdefault(cr_from[1], []).append(ran) |
| 109 | |
| 110 | # Add the newest revision. |
| 111 | if cr_releases: |
| 112 | range_lists.setdefault(cr_releases[-1][1], []).append(cr_releases[-1][0]) |
| 113 | |
| 114 | # Stringify and comma-separate the range lists. |
| 115 | return dict((hsh, ", ".join(ran)) for hsh, ran in range_lists.iteritems()) |
| 116 | |
| 117 | |
| 118 | def MatchSafe(match): |
| 119 | if match: |
| 120 | return match.group(1) |
| 121 | else: |
| 122 | return "" |
| 123 | |
| 124 | |
| 125 | class Preparation(Step): |
| 126 | MESSAGE = "Preparation." |
| 127 | |
| 128 | def RunStep(self): |
| 129 | self.CommonPrepare() |
| 130 | self.PrepareBranch() |
| 131 | |
| 132 | |
| 133 | class RetrieveV8Releases(Step): |
| 134 | MESSAGE = "Retrieve all V8 releases." |
| 135 | |
| 136 | def ExceedsMax(self, releases): |
| 137 | return (self._options.max_releases > 0 |
| 138 | and len(releases) > self._options.max_releases) |
| 139 | |
| 140 | def GetMasterHashFromPush(self, title): |
| 141 | return MatchSafe(PUSH_MSG_GIT_RE.match(title)) |
| 142 | |
| 143 | def GetMergedPatches(self, body): |
| 144 | patches = MatchSafe(MERGE_MESSAGE_RE.search(body)) |
| 145 | if not patches: |
| 146 | patches = MatchSafe(ROLLBACK_MESSAGE_RE.search(body)) |
| 147 | if patches: |
| 148 | # Indicate reverted patches with a "-". |
| 149 | patches = "-%s" % patches |
| 150 | return patches |
| 151 | |
| 152 | def GetMergedPatchesGit(self, body): |
| 153 | patches = [] |
| 154 | for line in body.splitlines(): |
| 155 | patch = MatchSafe(MERGE_MESSAGE_GIT_RE.match(line)) |
| 156 | if patch: |
| 157 | patches.append(patch) |
| 158 | patch = MatchSafe(ROLLBACK_MESSAGE_GIT_RE.match(line)) |
| 159 | if patch: |
| 160 | patches.append("-%s" % patch) |
| 161 | return ", ".join(patches) |
| 162 | |
| 163 | |
| 164 | def GetReleaseDict( |
| 165 | self, git_hash, master_position, master_hash, branch, version, |
| 166 | patches, cl_body): |
| 167 | revision = self.GetCommitPositionNumber(git_hash) |
| 168 | return { |
| 169 | # The cr commit position number on the branch. |
| 170 | "revision": revision, |
| 171 | # The git revision on the branch. |
| 172 | "revision_git": git_hash, |
| 173 | # The cr commit position number on master. |
| 174 | "master_position": master_position, |
| 175 | # The same for git. |
| 176 | "master_hash": master_hash, |
| 177 | # The branch name. |
| 178 | "branch": branch, |
| 179 | # The version for displaying in the form 3.26.3 or 3.26.3.12. |
| 180 | "version": version, |
| 181 | # The date of the commit. |
| 182 | "date": self.GitLog(n=1, format="%ci", git_hash=git_hash), |
| 183 | # Merged patches if available in the form 'r1234, r2345'. |
| 184 | "patches_merged": patches, |
| 185 | # Default for easier output formatting. |
| 186 | "chromium_revision": "", |
| 187 | # Default for easier output formatting. |
| 188 | "chromium_branch": "", |
| 189 | # Link to the CL on code review. Candiates pushes are not uploaded, |
| 190 | # so this field will be populated below with the recent roll CL link. |
| 191 | "review_link": MatchSafe(REVIEW_LINK_RE.search(cl_body)), |
| 192 | # Link to the commit message on google code. |
| 193 | "revision_link": ("https://code.google.com/p/v8/source/detail?r=%s" |
| 194 | % revision), |
| 195 | } |
| 196 | |
| 197 | def GetRelease(self, git_hash, branch): |
| 198 | self.ReadAndPersistVersion() |
| 199 | base_version = [self["major"], self["minor"], self["build"]] |
| 200 | version = ".".join(base_version) |
| 201 | body = self.GitLog(n=1, format="%B", git_hash=git_hash) |
| 202 | |
| 203 | patches = "" |
| 204 | if self["patch"] != "0": |
| 205 | version += ".%s" % self["patch"] |
| 206 | if CHERRY_PICK_TITLE_GIT_RE.match(body.splitlines()[0]): |
| 207 | patches = self.GetMergedPatchesGit(body) |
| 208 | else: |
| 209 | patches = self.GetMergedPatches(body) |
| 210 | |
| 211 | if SortingKey("4.2.69") <= SortingKey(version): |
| 212 | master_hash = self.GetLatestReleaseBase(version=version) |
| 213 | else: |
| 214 | # Legacy: Before version 4.2.69, the master revision was determined |
| 215 | # by commit message. |
| 216 | title = self.GitLog(n=1, format="%s", git_hash=git_hash) |
| 217 | master_hash = self.GetMasterHashFromPush(title) |
| 218 | master_position = "" |
| 219 | if master_hash: |
| 220 | master_position = self.GetCommitPositionNumber(master_hash) |
| 221 | return self.GetReleaseDict( |
| 222 | git_hash, master_position, master_hash, branch, version, |
| 223 | patches, body), self["patch"] |
| 224 | |
| 225 | def GetReleasesFromBranch(self, branch): |
| 226 | self.GitReset(self.vc.RemoteBranch(branch)) |
| 227 | if branch == self.vc.MasterBranch(): |
| 228 | return self.GetReleasesFromMaster() |
| 229 | |
| 230 | releases = [] |
| 231 | try: |
| 232 | for git_hash in self.GitLog(format="%H").splitlines(): |
| 233 | if VERSION_FILE not in self.GitChangedFiles(git_hash): |
| 234 | continue |
| 235 | if self.ExceedsMax(releases): |
| 236 | break # pragma: no cover |
| 237 | if not self.GitCheckoutFileSafe(VERSION_FILE, git_hash): |
| 238 | break # pragma: no cover |
| 239 | |
| 240 | release, patch_level = self.GetRelease(git_hash, branch) |
| 241 | releases.append(release) |
| 242 | |
| 243 | # Follow branches only until their creation point. |
| 244 | # TODO(machenbach): This omits patches if the version file wasn't |
| 245 | # manipulated correctly. Find a better way to detect the point where |
| 246 | # the parent of the branch head leads to the trunk branch. |
| 247 | if branch != self.vc.CandidateBranch() and patch_level == "0": |
| 248 | break |
| 249 | |
| 250 | # Allow Ctrl-C interrupt. |
| 251 | except (KeyboardInterrupt, SystemExit): # pragma: no cover |
| 252 | pass |
| 253 | |
| 254 | # Clean up checked-out version file. |
| 255 | self.GitCheckoutFileSafe(VERSION_FILE, "HEAD") |
| 256 | return releases |
| 257 | |
| 258 | def GetReleaseFromRevision(self, revision): |
| 259 | releases = [] |
| 260 | try: |
| 261 | if (VERSION_FILE not in self.GitChangedFiles(revision) or |
| 262 | not self.GitCheckoutFileSafe(VERSION_FILE, revision)): |
| 263 | print "Skipping revision %s" % revision |
| 264 | return [] # pragma: no cover |
| 265 | |
| 266 | branches = map( |
| 267 | str.strip, |
| 268 | self.Git("branch -r --contains %s" % revision).strip().splitlines(), |
| 269 | ) |
| 270 | branch = "" |
| 271 | for b in branches: |
| 272 | if b.startswith("origin/"): |
| 273 | branch = b.split("origin/")[1] |
| 274 | break |
| 275 | if b.startswith("branch-heads/"): |
| 276 | branch = b.split("branch-heads/")[1] |
| 277 | break |
| 278 | else: |
| 279 | print "Could not determine branch for %s" % revision |
| 280 | |
| 281 | release, _ = self.GetRelease(revision, branch) |
| 282 | releases.append(release) |
| 283 | |
| 284 | # Allow Ctrl-C interrupt. |
| 285 | except (KeyboardInterrupt, SystemExit): # pragma: no cover |
| 286 | pass |
| 287 | |
| 288 | # Clean up checked-out version file. |
| 289 | self.GitCheckoutFileSafe(VERSION_FILE, "HEAD") |
| 290 | return releases |
| 291 | |
| 292 | |
| 293 | def RunStep(self): |
| 294 | self.GitCreateBranch(self._config["BRANCHNAME"]) |
| 295 | releases = [] |
| 296 | if self._options.branch == 'recent': |
| 297 | # List every release from the last 7 days. |
| 298 | revisions = self.GetRecentReleases(max_age=7 * DAY_IN_SECONDS) |
| 299 | for revision in revisions: |
| 300 | releases += self.GetReleaseFromRevision(revision) |
| 301 | elif self._options.branch == 'all': # pragma: no cover |
| 302 | # Retrieve the full release history. |
| 303 | for branch in self.vc.GetBranches(): |
| 304 | releases += self.GetReleasesFromBranch(branch) |
| 305 | releases += self.GetReleasesFromBranch(self.vc.CandidateBranch()) |
| 306 | releases += self.GetReleasesFromBranch(self.vc.MasterBranch()) |
| 307 | else: # pragma: no cover |
| 308 | # Retrieve history for a specified branch. |
| 309 | assert self._options.branch in (self.vc.GetBranches() + |
| 310 | [self.vc.CandidateBranch(), self.vc.MasterBranch()]) |
| 311 | releases += self.GetReleasesFromBranch(self._options.branch) |
| 312 | |
| 313 | self["releases"] = sorted(releases, |
| 314 | key=lambda r: SortingKey(r["version"]), |
| 315 | reverse=True) |
| 316 | |
| 317 | |
| 318 | class UpdateChromiumCheckout(Step): |
| 319 | MESSAGE = "Update the chromium checkout." |
| 320 | |
| 321 | def RunStep(self): |
| 322 | cwd = self._options.chromium |
| 323 | self.GitFetchOrigin("+refs/heads/*:refs/remotes/origin/*", |
| 324 | "+refs/branch-heads/*:refs/remotes/branch-heads/*", |
| 325 | cwd=cwd) |
| 326 | # Update v8 checkout in chromium. |
| 327 | self.GitFetchOrigin(cwd=os.path.join(cwd, "v8")) |
| 328 | |
| 329 | |
| 330 | def ConvertToCommitNumber(step, revision): |
| 331 | # Simple check for git hashes. |
| 332 | if revision.isdigit() and len(revision) < 8: |
| 333 | return revision |
| 334 | return step.GetCommitPositionNumber( |
| 335 | revision, cwd=os.path.join(step._options.chromium, "v8")) |
| 336 | |
| 337 | |
| 338 | class RetrieveChromiumV8Releases(Step): |
| 339 | MESSAGE = "Retrieve V8 releases from Chromium DEPS." |
| 340 | |
| 341 | def RunStep(self): |
| 342 | cwd = self._options.chromium |
| 343 | |
| 344 | # All v8 revisions we are interested in. |
| 345 | releases_dict = dict((r["revision_git"], r) for r in self["releases"]) |
| 346 | |
| 347 | cr_releases = [] |
| 348 | count_past_last_v8 = 0 |
| 349 | try: |
| 350 | for git_hash in self.GitLog( |
| 351 | format="%H", grep="V8", branch="origin/master", |
| 352 | path="DEPS", cwd=cwd).splitlines(): |
| 353 | deps = self.GitShowFile(git_hash, "DEPS", cwd=cwd) |
| 354 | match = DEPS_RE.search(deps) |
| 355 | if match: |
| 356 | cr_rev = self.GetCommitPositionNumber(git_hash, cwd=cwd) |
| 357 | if cr_rev: |
| 358 | v8_hsh = match.group(1) |
| 359 | cr_releases.append([cr_rev, v8_hsh]) |
| 360 | |
| 361 | if count_past_last_v8: |
| 362 | count_past_last_v8 += 1 # pragma: no cover |
| 363 | |
| 364 | if count_past_last_v8 > 20: |
| 365 | break # pragma: no cover |
| 366 | |
| 367 | # Stop as soon as we find a v8 revision that we didn't fetch in the |
| 368 | # v8-revision-retrieval part above (i.e. a revision that's too old). |
| 369 | # Just iterate a few more times in case there were reverts. |
| 370 | if v8_hsh not in releases_dict: |
| 371 | count_past_last_v8 += 1 # pragma: no cover |
| 372 | |
| 373 | # Allow Ctrl-C interrupt. |
| 374 | except (KeyboardInterrupt, SystemExit): # pragma: no cover |
| 375 | pass |
| 376 | |
| 377 | # Add the chromium ranges to the v8 candidates and master releases. |
| 378 | all_ranges = BuildRevisionRanges(cr_releases) |
| 379 | |
| 380 | for hsh, ranges in all_ranges.iteritems(): |
| 381 | releases_dict.get(hsh, {})["chromium_revision"] = ranges |
| 382 | |
| 383 | |
| 384 | # TODO(machenbach): Unify common code with method above. |
| 385 | class RetrieveChromiumBranches(Step): |
| 386 | MESSAGE = "Retrieve Chromium branch information." |
| 387 | |
| 388 | def RunStep(self): |
| 389 | cwd = self._options.chromium |
| 390 | |
| 391 | # All v8 revisions we are interested in. |
| 392 | releases_dict = dict((r["revision_git"], r) for r in self["releases"]) |
| 393 | |
| 394 | # Filter out irrelevant branches. |
| 395 | branches = filter(lambda r: re.match(r"branch-heads/\d+", r), |
| 396 | self.GitRemotes(cwd=cwd)) |
| 397 | |
| 398 | # Transform into pure branch numbers. |
| 399 | branches = map(lambda r: int(re.match(r"branch-heads/(\d+)", r).group(1)), |
| 400 | branches) |
| 401 | |
| 402 | branches = sorted(branches, reverse=True) |
| 403 | |
| 404 | cr_branches = [] |
| 405 | count_past_last_v8 = 0 |
| 406 | try: |
| 407 | for branch in branches: |
| 408 | deps = self.GitShowFile( |
| 409 | "refs/branch-heads/%d" % branch, "DEPS", cwd=cwd) |
| 410 | match = DEPS_RE.search(deps) |
| 411 | if match: |
| 412 | v8_hsh = match.group(1) |
| 413 | cr_branches.append([str(branch), v8_hsh]) |
| 414 | |
| 415 | if count_past_last_v8: |
| 416 | count_past_last_v8 += 1 # pragma: no cover |
| 417 | |
| 418 | if count_past_last_v8 > 20: |
| 419 | break # pragma: no cover |
| 420 | |
| 421 | # Stop as soon as we find a v8 revision that we didn't fetch in the |
| 422 | # v8-revision-retrieval part above (i.e. a revision that's too old). |
| 423 | # Just iterate a few more times in case there were reverts. |
| 424 | if v8_hsh not in releases_dict: |
| 425 | count_past_last_v8 += 1 # pragma: no cover |
| 426 | |
| 427 | # Allow Ctrl-C interrupt. |
| 428 | except (KeyboardInterrupt, SystemExit): # pragma: no cover |
| 429 | pass |
| 430 | |
| 431 | # Add the chromium branches to the v8 candidate releases. |
| 432 | all_ranges = BuildRevisionRanges(cr_branches) |
| 433 | for revision, ranges in all_ranges.iteritems(): |
| 434 | releases_dict.get(revision, {})["chromium_branch"] = ranges |
| 435 | |
| 436 | |
| 437 | class RetrieveInformationOnChromeReleases(Step): |
| 438 | MESSAGE = 'Retrieves relevant information on the latest Chrome releases' |
| 439 | |
| 440 | def Run(self): |
| 441 | |
| 442 | params = None |
| 443 | result_raw = self.ReadURL( |
| 444 | OMAHA_PROXY_URL + "all.json", |
| 445 | params, |
| 446 | wait_plan=[5, 20] |
| 447 | ) |
| 448 | recent_releases = json.loads(result_raw) |
| 449 | |
| 450 | canaries = [] |
| 451 | |
| 452 | for current_os in recent_releases: |
| 453 | for current_version in current_os["versions"]: |
| 454 | if current_version["channel"] != "canary": |
| 455 | continue |
| 456 | |
| 457 | current_candidate = self._CreateCandidate(current_version) |
| 458 | canaries.append(current_candidate) |
| 459 | |
| 460 | chrome_releases = {"canaries": canaries} |
| 461 | self["chrome_releases"] = chrome_releases |
| 462 | |
| 463 | def _GetGitHashForV8Version(self, v8_version): |
| 464 | if v8_version == "N/A": |
| 465 | return "" |
| 466 | |
| 467 | real_v8_version = v8_version |
| 468 | if v8_version.split(".")[3]== "0": |
| 469 | real_v8_version = v8_version[:-2] |
| 470 | |
| 471 | try: |
| 472 | return self.GitGetHashOfTag(real_v8_version) |
| 473 | except GitFailedException: |
| 474 | return "" |
| 475 | |
| 476 | def _CreateCandidate(self, current_version): |
| 477 | params = None |
| 478 | url_to_call = (OMAHA_PROXY_URL + "v8.json?version=" |
| 479 | + current_version["previous_version"]) |
| 480 | result_raw = self.ReadURL( |
| 481 | url_to_call, |
| 482 | params, |
| 483 | wait_plan=[5, 20] |
| 484 | ) |
| 485 | previous_v8_version = json.loads(result_raw)["v8_version"] |
| 486 | v8_previous_version_hash = self._GetGitHashForV8Version(previous_v8_version) |
| 487 | |
| 488 | current_v8_version = current_version["v8_version"] |
| 489 | v8_version_hash = self._GetGitHashForV8Version(current_v8_version) |
| 490 | |
| 491 | current_candidate = { |
| 492 | "chrome_version": current_version["version"], |
| 493 | "os": current_version["os"], |
| 494 | "release_date": current_version["current_reldate"], |
| 495 | "v8_version": current_v8_version, |
| 496 | "v8_version_hash": v8_version_hash, |
| 497 | "v8_previous_version": previous_v8_version, |
| 498 | "v8_previous_version_hash": v8_previous_version_hash, |
| 499 | } |
| 500 | return current_candidate |
| 501 | |
| 502 | |
| 503 | class CleanUp(Step): |
| 504 | MESSAGE = "Clean up." |
| 505 | |
| 506 | def RunStep(self): |
| 507 | self.CommonCleanup() |
| 508 | |
| 509 | |
| 510 | class WriteOutput(Step): |
| 511 | MESSAGE = "Print output." |
| 512 | |
| 513 | def Run(self): |
| 514 | |
| 515 | output = { |
| 516 | "releases": self["releases"], |
| 517 | "chrome_releases": self["chrome_releases"], |
| 518 | } |
| 519 | |
| 520 | if self._options.csv: |
| 521 | with open(self._options.csv, "w") as f: |
| 522 | writer = csv.DictWriter(f, |
| 523 | ["version", "branch", "revision", |
| 524 | "chromium_revision", "patches_merged"], |
| 525 | restval="", |
| 526 | extrasaction="ignore") |
| 527 | for release in self["releases"]: |
| 528 | writer.writerow(release) |
| 529 | if self._options.json: |
| 530 | with open(self._options.json, "w") as f: |
| 531 | f.write(json.dumps(output)) |
| 532 | if not self._options.csv and not self._options.json: |
| 533 | print output # pragma: no cover |
| 534 | |
| 535 | |
| 536 | class Releases(ScriptsBase): |
| 537 | def _PrepareOptions(self, parser): |
| 538 | parser.add_argument("-b", "--branch", default="recent", |
| 539 | help=("The branch to analyze. If 'all' is specified, " |
| 540 | "analyze all branches. If 'recent' (default) " |
| 541 | "is specified, track beta, stable and " |
| 542 | "candidates.")) |
| 543 | parser.add_argument("-c", "--chromium", |
| 544 | help=("The path to your Chromium src/ " |
| 545 | "directory to automate the V8 roll.")) |
| 546 | parser.add_argument("--csv", help="Path to a CSV file for export.") |
| 547 | parser.add_argument("-m", "--max-releases", type=int, default=0, |
| 548 | help="The maximum number of releases to track.") |
| 549 | parser.add_argument("--json", help="Path to a JSON file for export.") |
| 550 | |
| 551 | def _ProcessOptions(self, options): # pragma: no cover |
| 552 | options.force_readline_defaults = True |
| 553 | return True |
| 554 | |
| 555 | def _Config(self): |
| 556 | return { |
| 557 | "BRANCHNAME": "retrieve-v8-releases", |
| 558 | "PERSISTFILE_BASENAME": "/tmp/v8-releases-tempfile", |
| 559 | } |
| 560 | |
| 561 | def _Steps(self): |
| 562 | |
| 563 | return [ |
| 564 | Preparation, |
| 565 | RetrieveV8Releases, |
| 566 | UpdateChromiumCheckout, |
| 567 | RetrieveChromiumV8Releases, |
| 568 | RetrieveChromiumBranches, |
| 569 | RetrieveInformationOnChromeReleases, |
| 570 | CleanUp, |
| 571 | WriteOutput, |
| 572 | ] |
| 573 | |
| 574 | |
| 575 | if __name__ == "__main__": # pragma: no cover |
| 576 | sys.exit(Releases().Run()) |