1 # Copyright (C) 2010 Google Inc. All rights reserved. 2 # 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following disclaimer 11 # in the documentation and/or other materials provided with the 12 # distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived from 15 # this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 import urllib 30 31 from webkitpy.tool.steps.abstractstep import AbstractStep 32 from webkitpy.tool.steps.options import Options 33 from webkitpy.common.prettypatch import PrettyPatch 34 from webkitpy.common.system import logutils 35 from webkitpy.common.system.executive import ScriptError 36 37 38 _log = logutils.get_logger(__file__) 39 40 41 class ConfirmDiff(AbstractStep): 42 @classmethod 43 def options(cls): 44 return AbstractStep.options() + [ 45 Options.confirm, 46 ] 47 48 def _show_pretty_diff(self): 49 if not self._tool.user.can_open_url(): 50 return None 51 52 try: 53 pretty_patch = PrettyPatch(self._tool.executive) 54 pretty_diff_file = pretty_patch.pretty_diff_file(self.diff()) 55 url = "file://%s" % urllib.quote(pretty_diff_file.name) 56 self._tool.user.open_url(url) 57 # We return the pretty_diff_file here because we need to keep the 58 # file alive until the user has had a chance to confirm the diff. 59 return pretty_diff_file 60 except ScriptError, e: 61 _log.warning("PrettyPatch failed. :(") 62 except OSError, e: 63 _log.warning("PrettyPatch unavailable.") 64 65 def diff(self): 66 changed_files = self._tool.scm().changed_files(self._options.git_commit) 67 return self._tool.scm().create_patch(self._options.git_commit, 68 changed_files=changed_files) 69 70 def run(self, state): 71 if not self._options.confirm: 72 return 73 pretty_diff_file = self._show_pretty_diff() 74 if pretty_diff_file: 75 diff_correct = self._tool.user.confirm("Was that diff correct?") 76 pretty_diff_file.close() 77 if not diff_correct: 78 self._exit(1) 79