~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/diff.py

  • Committer: Robert Collins
  • Date: 2005-10-06 12:14:01 UTC
  • mfrom: (1393.1.67)
  • Revision ID: robertc@robertcollins.net-20051006121401-ce87bcb93909bbdf
merge martins latest

Show diffs side-by-side

added added

removed removed

Lines of Context:
62
62
    print >>to_file
63
63
 
64
64
 
65
 
 
66
 
 
67
65
def external_diff(old_label, oldlines, new_label, newlines, to_file,
68
66
                  diff_opts):
69
67
    """Display a diff by calling out to the external diff program."""
141
139
    finally:
142
140
        oldtmpf.close()                 # and delete
143
141
        newtmpf.close()
144
 
    
145
 
 
146
142
 
147
143
def show_diff(b, revision, specific_files, external_diff_options=None,
148
144
              revision2=None, output=None):
161
157
        import sys
162
158
        output = sys.stdout
163
159
 
164
 
    if revision == None:
 
160
    if revision is None:
165
161
        old_tree = b.basis_tree()
166
162
    else:
167
 
        old_tree = b.revision_tree(b.lookup_revision(revision))
 
163
        old_tree = b.revision_tree(revision.in_history(b).rev_id)
168
164
 
169
 
    if revision2 == None:
 
165
    if revision2 is None:
170
166
        new_tree = b.working_tree()
171
167
    else:
172
 
        new_tree = b.revision_tree(b.lookup_revision(revision2))
 
168
        new_tree = b.revision_tree(revision2.in_history(b).rev_id)
173
169
 
174
170
    show_diff_trees(old_tree, new_tree, output, specific_files,
175
171
                    external_diff_options)
213
209
 
214
210
    for path, file_id, kind in delta.removed:
215
211
        print >>to_file, '=== removed %s %r' % (kind, path)
216
 
        if kind == 'file':
217
 
            diff_file(old_label + path,
218
 
                      old_tree.get_file(file_id).readlines(),
219
 
                      DEVNULL, 
220
 
                      [],
221
 
                      to_file)
222
 
 
 
212
        old_tree.inventory[file_id].diff(diff_file, old_label + path, old_tree,
 
213
                                         DEVNULL, None, None, to_file)
223
214
    for path, file_id, kind in delta.added:
224
215
        print >>to_file, '=== added %s %r' % (kind, path)
225
 
        if kind == 'file':
226
 
            diff_file(DEVNULL,
227
 
                      [],
228
 
                      new_label + path,
229
 
                      new_tree.get_file(file_id).readlines(),
230
 
                      to_file)
231
 
 
232
 
    for old_path, new_path, file_id, kind, text_modified in delta.renamed:
233
 
        print >>to_file, '=== renamed %s %r => %r' % (kind, old_path, new_path)
 
216
        new_tree.inventory[file_id].diff(diff_file, new_label + path, new_tree,
 
217
                                         DEVNULL, None, None, to_file, 
 
218
                                         reverse=True)
 
219
    for (old_path, new_path, file_id, kind,
 
220
         text_modified, meta_modified) in delta.renamed:
 
221
        prop_str = get_prop_change(meta_modified)
 
222
        print >>to_file, '=== renamed %s %r => %r%s' % (
 
223
                          kind, old_path, new_path, prop_str)
 
224
        _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
 
225
                                    new_label, new_path, new_tree,
 
226
                                    text_modified, kind, to_file, diff_file)
 
227
    for path, file_id, kind, text_modified, meta_modified in delta.modified:
 
228
        prop_str = get_prop_change(meta_modified)
 
229
        print >>to_file, '=== modified %s %r%s' % (kind, path, prop_str)
234
230
        if text_modified:
235
 
            diff_file(old_label + old_path,
236
 
                      old_tree.get_file(file_id).readlines(),
237
 
                      new_label + new_path,
238
 
                      new_tree.get_file(file_id).readlines(),
239
 
                      to_file)
240
 
 
241
 
    for path, file_id, kind in delta.modified:
242
 
        print >>to_file, '=== modified %s %r' % (kind, path)
243
 
        if kind == 'file':
244
 
            diff_file(old_label + path,
245
 
                      old_tree.get_file(file_id).readlines(),
246
 
                      new_label + path,
247
 
                      new_tree.get_file(file_id).readlines(),
248
 
                      to_file)
249
 
 
250
 
 
251
 
 
252
 
 
253
 
 
 
231
            _maybe_diff_file_or_symlink(old_label, path, old_tree, file_id,
 
232
                                        new_label, path, new_tree,
 
233
                                        True, kind, to_file, diff_file)
 
234
    
 
235
 
 
236
def get_prop_change(meta_modified):
 
237
    if meta_modified:
 
238
        return " (properties changed)"
 
239
    else:
 
240
        return  ""
 
241
 
 
242
 
 
243
def _maybe_diff_file_or_symlink(old_label, old_path, old_tree, file_id,
 
244
                                new_label, new_path, new_tree, text_modified,
 
245
                                kind, to_file, diff_file):
 
246
    if text_modified:
 
247
        new_entry = new_tree.inventory[file_id]
 
248
        old_tree.inventory[file_id].diff(diff_file,
 
249
                                         old_label + old_path, old_tree,
 
250
                                         new_label + new_path, new_entry, 
 
251
                                         new_tree, to_file)