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annotate diff_cmd.py @ 131:4d42dbbb5127

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hg_delta_editor: fix parent revision detection on branch copy Project items copyfrom revisions are irrelevant to parent revision detection, only the project one or those of its ancestors matter. Items copyfrom is useful when retrieving items content. Former code resulted in incorrect converted graph for pyglet repository, especially on the following revision: ------------------------------------------------------------------------ r274 | r1chardj0n3s | 2006-12-21 02:02:14 +0100 (Jeu, 21 Dec 2006) | 2 lines Changed paths: A /branches/richard-glx-version (from /trunk:269) M /branches/richard-glx-version/pyglet/window/xlib/__init__.py R /branches/richard-glx-version/tests/test.py (from /trunk/tests/test.py:270) R /branches/richard-glx-version/tools/info.py (from /trunk/tools/info.py:272) R /branches/richard-glx-version/website/get_involved.php (from /trunk/website/get_involved.php:273) Branching to horribly mangle GLX
author Patrick Mezard <pmezard@gmail.com>
date Wed, 10 Dec 2008 11:03:22 -0600
parents 91ce18fa0375
children 40474f6c1f84
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2 import re
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3
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4 from mercurial import patch
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5
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6 import util
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7 import hg_delta_editor
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8
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9 b_re = re.compile(r'^\+\+\+ b\/([^\n]*)', re.MULTILINE)
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10 a_re = re.compile(r'^--- a\/([^\n]*)', re.MULTILINE)
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11 devnull_re = re.compile(r'^([-+]{3}) /dev/null', re.MULTILINE)
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12 header_re = re.compile(r'^diff --git .* b\/(.*)', re.MULTILINE)
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13 newfile_devnull_re = re.compile(r'^--- /dev/null\n\+\+\+ b/([^\n]*)',
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14 re.MULTILINE)
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15 def filterdiff(diff, base_revision):
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16 diff = newfile_devnull_re.sub(r'--- \1\t(revision 0)' '\n'
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17 r'+++ \1\t(working copy)',
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18 diff)
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19 diff = a_re.sub(r'--- \1'+ ('\t(revision %d)' % base_revision), diff)
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20 diff = b_re.sub(r'+++ \1' + '\t(working copy)', diff)
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21 diff = devnull_re.sub(r'\1 /dev/null' '\t(working copy)', diff)
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22
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23 diff = header_re.sub(r'Index: \1' + '\n' + ('=' * 67), diff)
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24 return diff
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25
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26
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27 @util.register_subcommand('diff')
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28 def diff_command(ui, repo, hg_repo_path, **opts):
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29 """Show a diff of the most recent revision against its parent from svn.
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30 """
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31 hge = hg_delta_editor.HgChangeReceiver(hg_repo_path,
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32 ui_=ui)
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33 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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34 hge.revmap.iterkeys()))
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35 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes)
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36 parent = repo.parents()[0]
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37 if o_r:
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38 parent = repo[o_r[-1]].parents()[0]
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39 base_rev, _junk = svn_commit_hashes[parent.node()]
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40 it = patch.diff(repo, parent.node(), None,
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41 opts=patch.diffopts(ui, opts))
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42 ui.write(filterdiff(''.join(it), base_rev))