util: qualify name properly.

mercurial/patch.py

@@ -1,250 +1,251 b''
 # patch.py - patch file parsing routines
 #
 # Copyright 2006 Brendan Cully <[e-mail]>
 #
 # This software may be used and distributed according to the terms
 # of the GNU General Public License, incorporated herein by reference.
 
 from demandload import demandload
 from i18n import gettext as _
 demandload(globals(), "util")
 demandload(globals(), "cStringIO email.Parser os re shutil tempfile")
 
 def extract(ui, fileobj):
     '''extract patch from data read from fileobj.
 
     patch can be normal patch or contained in email message.
 
     return tuple (filename, message, user, date). any item in returned
     tuple can be None.  if filename is None, fileobj did not contain
     patch. caller must unlink filename when done.'''
 
     # attempt to detect the start of a patch
     # (this heuristic is borrowed from quilt)
     diffre = re.compile(r'^(?:Index:[ \t]|diff[ \t]|RCS file: |' +
                         'retrieving revision [0-9]+(\.[0-9]+)*$|' +
                         '(---|\*\*\*)[ \t])', re.MULTILINE)
 
     fd, tmpname = tempfile.mkstemp(prefix='hg-patch-')
     tmpfp = os.fdopen(fd, 'w')
     try:
         hgpatch = False
 
         msg = email.Parser.Parser().parse(fileobj)
 
         message = msg['Subject']
         user = msg['From']
         # should try to parse msg['Date']
         date = None
 
         if message:
             message = message.replace('\n\t', ' ')
             ui.debug('Subject: %s\n' % message)
         if user:
             ui.debug('From: %s\n' % user)
         diffs_seen = 0
         ok_types = ('text/plain', 'text/x-diff', 'text/x-patch')
 
         for part in msg.walk():
             content_type = part.get_content_type()
             ui.debug('Content-Type: %s\n' % content_type)
             if content_type not in ok_types:
                 continue
             payload = part.get_payload(decode=True)
             m = diffre.search(payload)
             if m:
                 ui.debug(_('found patch at byte %d\n') % m.start(0))
                 diffs_seen += 1
                 cfp = cStringIO.StringIO()
                 if message:
                     cfp.write(message)
                     cfp.write('\n')
                 for line in payload[:m.start(0)].splitlines():
                     if line.startswith('# HG changeset patch'):
                         ui.debug(_('patch generated by hg export\n'))
                         hgpatch = True
                         # drop earlier commit message content
                         cfp.seek(0)
                         cfp.truncate()
                     elif hgpatch:
                         if line.startswith('# User '):
                             user = line[7:]
                             ui.debug('From: %s\n' % user)
                         elif line.startswith("# Date "):
                             date = line[7:]
                     if not line.startswith('# '):
                         cfp.write(line)
                         cfp.write('\n')
                 message = cfp.getvalue()
                 if tmpfp:
                     tmpfp.write(payload)
                     if not payload.endswith('\n'):
                         tmpfp.write('\n')
             elif not diffs_seen and message and content_type == 'text/plain':
                 message += '\n' + payload
     except:
         tmpfp.close()
         os.unlink(tmpname)
         raise
 
     tmpfp.close()
     if not diffs_seen:
         os.unlink(tmpname)
         return None, message, user, date
     return tmpname, message, user, date
 
 def readgitpatch(patchname):
     """extract git-style metadata about patches from <patchname>"""
     class gitpatch:
         "op is one of ADD, DELETE, RENAME, MODIFY or COPY"
         def __init__(self, path):
             self.path = path
             self.oldpath = None
             self.mode = None
             self.op = 'MODIFY'
             self.copymod = False
             self.lineno = 0
     
     # Filter patch for git information
     gitre = re.compile('diff --git a/(.*) b/(.*)')
     pf = file(patchname)
     gp = None
     gitpatches = []
     # Can have a git patch with only metadata, causing patch to complain
     dopatch = False
 
     lineno = 0
     for line in pf:
         lineno += 1
         if line.startswith('diff --git'):
             m = gitre.match(line)
             if m:
                 if gp:
                     gitpatches.append(gp)
                 src, dst = m.group(1,2)
                 gp = gitpatch(dst)
                 gp.lineno = lineno
         elif gp:
             if line.startswith('--- '):
                 if gp.op in ('COPY', 'RENAME'):
                     gp.copymod = True
                     dopatch = 'filter'
                 gitpatches.append(gp)
                 gp = None
                 if not dopatch:
                     dopatch = True
                 continue
             if line.startswith('rename from '):
                 gp.op = 'RENAME'
                 gp.oldpath = line[12:].rstrip()
             elif line.startswith('rename to '):
                 gp.path = line[10:].rstrip()
             elif line.startswith('copy from '):
                 gp.op = 'COPY'
                 gp.oldpath = line[10:].rstrip()
             elif line.startswith('copy to '):
                 gp.path = line[8:].rstrip()
             elif line.startswith('deleted file'):
                 gp.op = 'DELETE'
             elif line.startswith('new file mode '):
                 gp.op = 'ADD'
                 gp.mode = int(line.rstrip()[-3:], 8)
             elif line.startswith('new mode '):
                 gp.mode = int(line.rstrip()[-3:], 8)
     if gp:
         gitpatches.append(gp)
 
     if not gitpatches:
         dopatch = True
 
     return (dopatch, gitpatches)
 
 def dogitpatch(patchname, gitpatches):
     """Preprocess git patch so that vanilla patch can handle it"""
     pf = file(patchname)
     pfline = 1
 
     fd, patchname = tempfile.mkstemp(prefix='hg-patch-')
     tmpfp = os.fdopen(fd, 'w')
 
     try:
         for i in range(len(gitpatches)):
             p = gitpatches[i]
             if not p.copymod:
                 continue
 
             if os.path.exists(p.path):
                 raise util.Abort(_("cannot create %s: destination already exists") %
                             p.path)
 
             (src, dst) = [os.path.join(os.getcwd(), n)
                           for n in (p.oldpath, p.path)]
 
             targetdir = os.path.dirname(dst)
             if not os.path.isdir(targetdir):
                 os.makedirs(targetdir)
             try:
                 shutil.copyfile(src, dst)
                 shutil.copymode(src, dst)
             except shutil.Error, inst:
                 raise util.Abort(str(inst))
 
             # rewrite patch hunk
             while pfline < p.lineno:
                 tmpfp.write(pf.readline())
                 pfline += 1
             tmpfp.write('diff --git a/%s b/%s\n' % (p.path, p.path))
             line = pf.readline()
             pfline += 1
             while not line.startswith('--- a/'):
                 tmpfp.write(line)
                 line = pf.readline()
                 pfline += 1
             tmpfp.write('--- a/%s\n' % p.path)
 
         line = pf.readline()
         while line:
             tmpfp.write(line)
             line = pf.readline()
     except:
         tmpfp.close()
         os.unlink(patchname)
         raise
 
     tmpfp.close()
     return patchname
 
 def patch(strip, patchname, ui, cwd=None):
     """apply the patch <patchname> to the working directory.
     a list of patched files is returned"""
 
     (dopatch, gitpatches) = readgitpatch(patchname)
 
     files = {}
     if dopatch:
         if dopatch == 'filter':
             patchname = dogitpatch(patchname, gitpatches)
         patcher = util.find_in_path('gpatch', os.environ.get('PATH', ''), 'patch')
         args = []
         if cwd:
             args.append('-d %s' % util.shellquote(cwd))
         fp = os.popen('%s %s -p%d < %s' % (patcher, ' '.join(args), strip,
                                            util.shellquote(patchname)))
 
         if dopatch == 'filter':
             False and os.unlink(patchname)
 
         for line in fp:
             line = line.rstrip()
             ui.status("%s\n" % line)
             if line.startswith('patching file '):
                 pf = util.parse_patch_output(line)
                 files.setdefault(pf, (None, None))
         code = fp.close()
         if code:
-            raise util.Abort(_("patch command failed: %s") % explain_exit(code)[0])
+            raise util.Abort(_("patch command failed: %s") %
+                             util.explain_exit(code)[0])
 
     for gp in gitpatches:
         files[gp.path] = (gp.op, gp)
 
     return files