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annotate diff_cmd.py @ 152:1fde85a10f9e

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push: Fix the bad implementation that required modifying the dirstate to push.
author Augie Fackler <durin42@gmail.com>
date Mon, 22 Dec 2008 21:22:11 -0600
parents 40474f6c1f84
children e37f9d3fd5e7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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91ce18fa0375 Add a diff command that behaves kind of like svn diff.
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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 parent = repo.parents()[0]
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36 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes, parent.node())
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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={'git': True,
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42 'show_function': False,
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43 'ignore_all_space': False,
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44 'ignore_space_change': False,
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45 'ignore_blank_lines': False,
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46 'unified': True,
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47 'text': False,
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48 }))
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49 ui.write(filterdiff(''.join(it), base_rev))