a03a399980
Use 'git new-branch' for creating new branches. BUG=410721 LOG=n TEST=script_test.py R=tandrii@chromium.org Review URL: https://codereview.chromium.org/680173003 Cr-Commit-Position: refs/heads/master@{#24940} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24940 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
320 lines
10 KiB
Python
320 lines
10 KiB
Python
#!/usr/bin/env python
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# Copyright 2014 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import re
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SHA1_RE = re.compile('^[a-fA-F0-9]{40}$')
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ROLL_DEPS_GIT_SVN_ID_RE = re.compile('^git-svn-id: .*@([0-9]+) .*$')
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# Regular expression that matches a single commit footer line.
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COMMIT_FOOTER_ENTRY_RE = re.compile(r'([^:]+):\s+(.+)')
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# Footer metadata key for commit position.
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COMMIT_POSITION_FOOTER_KEY = 'Cr-Commit-Position'
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# Regular expression to parse a commit position
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COMMIT_POSITION_RE = re.compile(r'(.+)@\{#(\d+)\}')
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# Key for the 'git-svn' ID metadata commit footer entry.
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GIT_SVN_ID_FOOTER_KEY = 'git-svn-id'
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# e.g., git-svn-id: https://v8.googlecode.com/svn/trunk@23117
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# ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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GIT_SVN_ID_RE = re.compile(r'((?:\w+)://[^@]+)@(\d+)\s+(?:[a-zA-Z0-9\-]+)')
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# Copied from bot_update.py.
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def GetCommitMessageFooterMap(message):
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"""Returns: (dict) A dictionary of commit message footer entries.
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"""
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footers = {}
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# Extract the lines in the footer block.
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lines = []
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for line in message.strip().splitlines():
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line = line.strip()
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if len(line) == 0:
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del(lines[:])
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continue
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lines.append(line)
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# Parse the footer
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for line in lines:
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m = COMMIT_FOOTER_ENTRY_RE.match(line)
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if not m:
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# If any single line isn't valid, the entire footer is invalid.
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footers.clear()
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return footers
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footers[m.group(1)] = m.group(2).strip()
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return footers
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class GitFailedException(Exception):
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pass
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def Strip(f):
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def new_f(*args, **kwargs):
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result = f(*args, **kwargs)
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if result is None:
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return result
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else:
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return result.strip()
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return new_f
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def MakeArgs(l):
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"""['-a', '', 'abc', ''] -> '-a abc'"""
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return " ".join(filter(None, l))
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def Quoted(s):
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return "\"%s\"" % s
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class GitRecipesMixin(object):
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def GitIsWorkdirClean(self, **kwargs):
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return self.Git("status -s -uno", **kwargs).strip() == ""
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@Strip
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def GitBranch(self, **kwargs):
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return self.Git("branch", **kwargs)
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def GitCreateBranch(self, name, remote="", **kwargs):
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assert name
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remote_args = ["--upstream", remote] if remote else []
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self.Git(MakeArgs(["new-branch", name] + remote_args), **kwargs)
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def GitDeleteBranch(self, name, **kwargs):
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assert name
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self.Git(MakeArgs(["branch -D", name]), **kwargs)
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def GitReset(self, name, **kwargs):
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assert name
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self.Git(MakeArgs(["reset --hard", name]), **kwargs)
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def GitStash(self, **kwargs):
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self.Git(MakeArgs(["stash"]), **kwargs)
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def GitRemotes(self, **kwargs):
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return map(str.strip,
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self.Git(MakeArgs(["branch -r"]), **kwargs).splitlines())
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def GitCheckout(self, name, **kwargs):
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assert name
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self.Git(MakeArgs(["checkout -f", name]), **kwargs)
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def GitCheckoutFile(self, name, branch_or_hash, **kwargs):
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assert name
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assert branch_or_hash
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self.Git(MakeArgs(["checkout -f", branch_or_hash, "--", name]), **kwargs)
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def GitCheckoutFileSafe(self, name, branch_or_hash, **kwargs):
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try:
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self.GitCheckoutFile(name, branch_or_hash, **kwargs)
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except GitFailedException: # pragma: no cover
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# The file doesn't exist in that revision.
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return False
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return True
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def GitChangedFiles(self, git_hash, **kwargs):
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assert git_hash
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try:
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files = self.Git(MakeArgs(["diff --name-only",
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git_hash,
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"%s^" % git_hash]), **kwargs)
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return map(str.strip, files.splitlines())
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except GitFailedException: # pragma: no cover
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# Git fails using "^" at branch roots.
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return []
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@Strip
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def GitCurrentBranch(self, **kwargs):
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for line in self.Git("status -s -b -uno", **kwargs).strip().splitlines():
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match = re.match(r"^## (.+)", line)
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if match: return match.group(1)
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raise Exception("Couldn't find curent branch.") # pragma: no cover
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@Strip
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def GitLog(self, n=0, format="", grep="", git_hash="", parent_hash="",
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branch="", reverse=False, **kwargs):
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assert not (git_hash and parent_hash)
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args = ["log"]
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if n > 0:
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args.append("-%d" % n)
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if format:
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args.append("--format=%s" % format)
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if grep:
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args.append("--grep=\"%s\"" % grep.replace("\"", "\\\""))
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if reverse:
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args.append("--reverse")
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if git_hash:
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args.append(git_hash)
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if parent_hash:
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args.append("%s^" % parent_hash)
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args.append(branch)
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return self.Git(MakeArgs(args), **kwargs)
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def GitGetPatch(self, git_hash, **kwargs):
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assert git_hash
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return self.Git(MakeArgs(["log", "-1", "-p", git_hash]), **kwargs)
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# TODO(machenbach): Unused? Remove.
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def GitAdd(self, name, **kwargs):
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assert name
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self.Git(MakeArgs(["add", Quoted(name)]), **kwargs)
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def GitApplyPatch(self, patch_file, reverse=False, **kwargs):
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assert patch_file
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args = ["apply --index --reject"]
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if reverse:
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args.append("--reverse")
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args.append(Quoted(patch_file))
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self.Git(MakeArgs(args), **kwargs)
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def GitUpload(self, reviewer="", author="", force=False, cq=False,
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bypass_hooks=False, cc="", **kwargs):
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args = ["cl upload --send-mail"]
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if author:
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args += ["--email", Quoted(author)]
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if reviewer:
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args += ["-r", Quoted(reviewer)]
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if force:
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args.append("-f")
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if cq:
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args.append("--use-commit-queue")
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if bypass_hooks:
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args.append("--bypass-hooks")
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if cc:
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args += ["--cc", Quoted(cc)]
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# TODO(machenbach): Check output in forced mode. Verify that all required
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# base files were uploaded, if not retry.
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self.Git(MakeArgs(args), pipe=False, **kwargs)
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def GitCommit(self, message="", file_name="", author=None, **kwargs):
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assert message or file_name
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args = ["commit"]
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if file_name:
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args += ["-aF", Quoted(file_name)]
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if message:
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args += ["-am", Quoted(message)]
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if author:
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args += ["--author", "\"%s <%s>\"" % (author, author)]
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self.Git(MakeArgs(args), **kwargs)
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def GitPresubmit(self, **kwargs):
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self.Git("cl presubmit", "PRESUBMIT_TREE_CHECK=\"skip\"", **kwargs)
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def GitDCommit(self, **kwargs):
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self.Git(
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"cl dcommit -f --bypass-hooks", retry_on=lambda x: x is None, **kwargs)
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def GitDiff(self, loc1, loc2, **kwargs):
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return self.Git(MakeArgs(["diff", loc1, loc2]), **kwargs)
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def GitPull(self, **kwargs):
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self.Git("pull", **kwargs)
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def GitFetchOrigin(self, **kwargs):
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self.Git("fetch origin", **kwargs)
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def GitConvertToSVNRevision(self, git_hash, **kwargs):
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result = self.Git(MakeArgs(["rev-list", "-n", "1", git_hash]), **kwargs)
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if not result or not SHA1_RE.match(result):
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raise GitFailedException("Git hash %s is unknown." % git_hash)
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log = self.GitLog(n=1, format="%B", git_hash=git_hash, **kwargs)
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for line in reversed(log.splitlines()):
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match = ROLL_DEPS_GIT_SVN_ID_RE.match(line.strip())
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if match:
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return match.group(1)
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raise GitFailedException("Couldn't convert %s to SVN." % git_hash)
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@Strip
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# Copied from bot_update.py and modified for svn-like numbers only.
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def GetCommitPositionNumber(self, git_hash, **kwargs):
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"""Dumps the 'git' log for a specific revision and parses out the commit
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position number.
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If a commit position metadata key is found, its number will be returned.
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Otherwise, we will search for a 'git-svn' metadata entry. If one is found,
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its SVN revision value is returned.
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"""
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git_log = self.GitLog(format='%B', n=1, git_hash=git_hash, **kwargs)
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footer_map = GetCommitMessageFooterMap(git_log)
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# Search for commit position metadata
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value = footer_map.get(COMMIT_POSITION_FOOTER_KEY)
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if value:
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match = COMMIT_POSITION_RE.match(value)
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if match:
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return match.group(2)
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# Extract the svn revision from 'git-svn' metadata
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value = footer_map.get(GIT_SVN_ID_FOOTER_KEY)
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if value:
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match = GIT_SVN_ID_RE.match(value)
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if match:
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return match.group(2)
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return None
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### Git svn stuff
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def GitSVNFetch(self, **kwargs):
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self.Git("svn fetch", **kwargs)
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def GitSVNRebase(self, **kwargs):
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self.Git("svn rebase", **kwargs)
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# TODO(machenbach): Unused? Remove.
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@Strip
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def GitSVNLog(self, **kwargs):
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return self.Git("svn log -1 --oneline", **kwargs)
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@Strip
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def GitSVNFindGitHash(self, revision, branch="", **kwargs):
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assert revision
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args = MakeArgs(["svn find-rev", "r%s" % revision, branch])
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# Pick the last line if multiple lines are available. The first lines might
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# print information about rebuilding the svn-git mapping.
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return self.Git(args, **kwargs).splitlines()[-1]
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@Strip
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def GitSVNFindSVNRev(self, git_hash, branch="", **kwargs):
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return self.Git(MakeArgs(["svn find-rev", git_hash, branch]), **kwargs)
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def GitSVNDCommit(self, **kwargs):
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return self.Git("svn dcommit 2>&1", retry_on=lambda x: x is None, **kwargs)
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def GitSVNTag(self, version, **kwargs):
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self.Git(("svn tag %s -m \"Tagging version %s\"" % (version, version)),
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retry_on=lambda x: x is None,
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**kwargs)
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