convert: add full description for gnu arch revisions

hgext/convert/gnuarch.py

@@ -1,263 +1,267 b''
 # GNU Arch support for the convert extension
 
 from common import NoRepo, checktool, commandline, commit, converter_source
 from mercurial.i18n import _
 from mercurial import util
 import os, shutil, tempfile, stat
 
 class gnuarch_source(converter_source, commandline):
 
     class gnuarch_rev:
         def __init__(self, rev):
             self.rev = rev
             self.summary = ''
             self.date = None
             self.author = ''
             self.add_files = []
             self.mod_files = []
             self.del_files = []
             self.ren_files = {}
             self.ren_dirs = {}
 
     def __init__(self, ui, path, rev=None):
         super(gnuarch_source, self).__init__(ui, path, rev=rev)
 
         if not os.path.exists(os.path.join(path, '{arch}')):
             raise NoRepo(_("couldn't open GNU Arch repo %s" % path))
 
         # Could use checktool, but we want to check for baz or tla.
         self.execmd = None
         if util.find_exe('tla'):
             self.execmd = 'tla'
         else:
             if util.find_exe('baz'):
                 self.execmd = 'baz'
             else:
                 raise util.Abort(_('cannot find a GNU Arch tool'))
 
         commandline.__init__(self, ui, self.execmd)
 
         self.path = os.path.realpath(path)
         self.tmppath = None
 
         self.treeversion = None
         self.lastrev = None
         self.changes = {}
         self.parents = {}
         self.tags = {}
         self.modecache = {}
 
     def before(self):
         if self.execmd == 'tla':
             output = self.run0('tree-version', self.path)
         else:
             output = self.run0('tree-version', '-d', self.path)
         self.treeversion = output.strip()
 
         self.ui.status(_('analyzing tree version %s...\n' % self.treeversion))
 
         # Get name of temporary directory
         version = self.treeversion.split('/')
         self.tmppath = os.path.join(tempfile.gettempdir(),
                                     'hg-%s' % version[1])
 
         # Generate parents dictionary
         child = []
         output, status = self.runlines('revisions', self.treeversion)
         self.checkexit(status, 'archive registered?')
         for l in output:
             rev = l.strip()
             self.changes[rev] = self.gnuarch_rev(rev)
 
             # Read author, date and summary
             catlog = self.runlines0('cat-log', '-d', self.path, rev)
             self._parsecatlog(catlog, rev)
 
             self.parents[rev] = child
             child = [rev]
             if rev == self.rev:
                 break
         self.parents[None] = child
 
     def after(self):
         self.ui.debug(_('cleaning up %s\n' % self.tmppath))
         shutil.rmtree(self.tmppath, ignore_errors=True)
 
     def getheads(self):
         return self.parents[None]
 
     def getfile(self, name, rev):
         if rev != self.lastrev:
             raise util.Abort(_('internal calling inconsistency'))
 
         # Raise IOError if necessary (i.e. deleted files).
         if not os.path.exists(os.path.join(self.tmppath, name)):
             raise IOError
 
         data, mode = self._getfile(name, rev)
         self.modecache[(name, rev)] = mode
 
         return data
 
     def getmode(self, name, rev):
         return self.modecache[(name, rev)]
 
     def getchanges(self, rev):
         self.modecache = {}
         self._update(rev)
         changes = []
         copies = {}
 
         for f in self.changes[rev].add_files:
             changes.append((f, rev))
 
         for f in self.changes[rev].mod_files:
             changes.append((f, rev))
 
         for f in self.changes[rev].del_files:
             changes.append((f, rev))
 
         for src in self.changes[rev].ren_files:
             to = self.changes[rev].ren_files[src]
             changes.append((src, rev))
             changes.append((to, rev))
             copies[src] = to
 
         for src in self.changes[rev].ren_dirs:
             to = self.changes[rev].ren_dirs[src]
             chgs, cps = self._rendirchanges(src, to);
             changes += [(f, rev) for f in chgs]
             for c in cps:
                 copies[c] = cps[c]
 
         changes.sort()
         self.lastrev = rev
 
         return changes, copies
 
     def getcommit(self, rev):
         changes = self.changes[rev]
         return commit(author = changes.author, date = changes.date,
                       desc = changes.summary, parents = self.parents[rev])
 
     def gettags(self):
         return self.tags
 
     def _execute(self, cmd, *args, **kwargs):
         cmdline = [self.execmd, cmd]
         cmdline += args
         cmdline = [util.shellquote(arg) for arg in cmdline]
         cmdline += ['>', util.nulldev, '2>', util.nulldev]
         cmdline = util.quotecommand(' '.join(cmdline))
         self.ui.debug(cmdline, '\n')
         return os.system(cmdline)
 
     def _update(self, rev):
         if rev == 'base-0':
             # Initialise 'base-0' revision
             self.ui.debug(_('obtaining revision %s...\n' % rev))
             revision = '%s--%s' % (self.treeversion, rev)
             output = self._execute('get', revision, self.tmppath)
             self.ui.debug(_('analysing revision %s...\n' % rev))
             files = self._readcontents(self.tmppath)
             self.changes[rev].add_files += files
         else:
             self.ui.debug(_('applying revision %s...\n' % rev))
             revision = '%s--%s' % (self.treeversion, rev)
             output = self._execute('replay', '-d', self.tmppath, revision)
 
             old_rev = self.parents[rev][0]
             self.ui.debug(_('computing changeset between %s and %s...\n' \
                                % (old_rev, rev)))
             rev_a = '%s--%s' % (self.treeversion, old_rev)
             rev_b = '%s--%s' % (self.treeversion, rev)
             delta = self.runlines0('delta', '-n', rev_a, rev_b)
             self._parsedelta(delta, rev)
 
     def _getfile(self, name, rev):
         mode = os.lstat(os.path.join(self.tmppath, name)).st_mode
         if stat.S_ISLNK(mode):
             data = os.readlink(os.path.join(self.tmppath, name))
             mode = mode and 'l' or ''
         else:
             data = open(os.path.join(self.tmppath, name), 'rb').read()
             mode = (mode & 0111) and 'x' or ''
         return data, mode
 
     def _exclude(self, name):
         exclude = [ '{arch}', '.arch-ids', '.arch-inventory' ]
         for exc in exclude:
             if name.find(exc) != -1:
                 return True
         return False
 
     def _readcontents(self, path):
         files = []
         contents = os.listdir(path)
         while len(contents) > 0:
             c = contents.pop()
             p = os.path.join(path, c)
             if not self._exclude(p):
                 if os.path.isdir(p):
                     contents += [os.path.join(c, f) for f in os.listdir(p)]
                 else:
                     files.append(c)
         return files
 
     def _rendirchanges(self, src, dest):
         changes = []
         copies = {}
         files = self._readcontents(os.path.join(self.tmppath, dest))
         for f in files:
             s = os.path.join(src, f)
             d = os.path.join(dest, f)
             changes.append(s)
             changes.append(d)
             copies[s] = d
         return changes, copies
 
     def _parsecatlog(self, data, rev):
+        readingsummary = False
         for l in data:
             l = l.strip()
-            if l.startswith('Summary:'):
-                self.changes[rev].summary = l[len('Summary: '):]
-
             if l.startswith('Standard-date:'):
                 date = l[len('Standard-date: '):]
                 strdate = util.strdate(date, '%Y-%m-%d %H:%M:%S')
                 self.changes[rev].date = util.datestr(strdate)
 
             if l.startswith('Creator:'):
                 self.changes[rev].author = l[len('Creator: '):]
 
+            if not readingsummary and l.startswith('Summary:'):
+                readingsummary = True
+                self.changes[rev].summary = l[len('Summary: '):]
+            elif not l.startswith('Keywords:'):
+                self.changes[rev].summary += '\n%s' % l
+
     def _parsedelta(self, data, rev):
         for l in data:
             l = l.strip()
             if l.startswith('A') and not l.startswith('A/'):
                 file = l[1:].strip()
                 if not self._exclude(file):
                     self.changes[rev].add_files.append(file)
             elif l.startswith('/>'):
                 dirs = l[2:].strip().split(' ')
                 if len(dirs) == 1:
                     dirs = l[2:].strip().split('\t')
                 if not self._exclude(dirs[0]) and not self._exclude(dirs[1]):
                     self.changes[rev].ren_dirs[dirs[0]] = dirs[1]
             elif l.startswith('M'):
                 file = l[1:].strip()
                 if not self._exclude(file):
                     self.changes[rev].mod_files.append(file)
             elif l.startswith('->'):
                 file = l[2:].strip()
                 if not self._exclude(file):
                     self.changes[rev].mod_files.append(file)
             elif l.startswith('D') and not l.startswith('D/'):
                 file = l[1:].strip()
                 if not self._exclude(file):
                     self.changes[rev].del_files.append(file)
             elif l.startswith('=>'):
                 files = l[2:].strip().split(' ')
                 if len(files) == 1:
                     files = l[2:].strip().split('\t')
                 if not self._exclude(files[0]) and not self._exclude(files[1]):
                     self.changes[rev].ren_files[files[0]] = files[1]