Mercurial > public > mercurial-scm > hg

comparison mercurial/patch.py @ 3717:9e248cfd8b94

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handle files with more than one git binary patch
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Mon, 27 Nov 2006 22:03:36 -0200
parents ab5600428b08
children abaee83ce0a6 504dee0abeac
comparison
equal deleted inserted replaced
3716:ab5600428b08 3717:9e248cfd8b94
188 return (dopatch, gitpatches) 188 return (dopatch, gitpatches)
189 189
190 def dogitpatch(patchname, gitpatches, cwd=None): 190 def dogitpatch(patchname, gitpatches, cwd=None):
191 """Preprocess git patch so that vanilla patch can handle it""" 191 """Preprocess git patch so that vanilla patch can handle it"""
192 def extractbin(fp): 192 def extractbin(fp):
193 line = fp.readline().rstrip() 193 i = [0] # yuck
194 def readline():
195 i[0] += 1
196 return fp.readline().rstrip()
197 line = readline()
194 while line and not line.startswith('literal '): 198 while line and not line.startswith('literal '):
195 line = fp.readline().rstrip() 199 line = readline()
196 if not line: 200 if not line:
197 return 201 return None, i[0]
198 size = int(line[8:]) 202 size = int(line[8:])
199 dec = [] 203 dec = []
200 line = fp.readline().rstrip() 204 line = readline()
201 while line: 205 while line:
202 l = line[0] 206 l = line[0]
203 if l <= 'Z' and l >= 'A': 207 if l <= 'Z' and l >= 'A':
204 l = ord(l) - ord('A') + 1 208 l = ord(l) - ord('A') + 1
205 else: 209 else:
206 l = ord(l) - ord('a') + 27 210 l = ord(l) - ord('a') + 27
207 dec.append(base85.b85decode(line[1:])[:l]) 211 dec.append(base85.b85decode(line[1:])[:l])
208 line = fp.readline().rstrip() 212 line = readline()
209 text = zlib.decompress(''.join(dec)) 213 text = zlib.decompress(''.join(dec))
210 if len(text) != size: 214 if len(text) != size:
211 raise util.Abort(_('binary patch is %d bytes, not %d') % 215 raise util.Abort(_('binary patch is %d bytes, not %d') %
212 (len(text), size)) 216 (len(text), size))
213 return text 217 return text, i[0]
214 218
215 pf = file(patchname) 219 pf = file(patchname)
216 pfline = 1 220 pfline = 1
217 221
218 fd, patchname = tempfile.mkstemp(prefix='hg-patch-') 222 fd, patchname = tempfile.mkstemp(prefix='hg-patch-')
228 while pfline < p.lineno: 232 while pfline < p.lineno:
229 tmpfp.write(pf.readline()) 233 tmpfp.write(pf.readline())
230 pfline += 1 234 pfline += 1
231 235
232 if p.binary: 236 if p.binary:
233 text = extractbin(pf) 237 text, delta = extractbin(pf)
234 if not text: 238 if not text:
235 raise util.Abort(_('binary patch extraction failed')) 239 raise util.Abort(_('binary patch extraction failed'))
240 pfline += delta
236 if not cwd: 241 if not cwd:
237 cwd = os.getcwd() 242 cwd = os.getcwd()
238 absdst = os.path.join(cwd, p.path) 243 absdst = os.path.join(cwd, p.path)
239 basedir = os.path.dirname(absdst) 244 basedir = os.path.dirname(absdst)
240 if not os.path.isdir(basedir): 245 if not os.path.isdir(basedir):