# HG changeset patch
# User Vadim Gelfer <vadim.gelfer@gmail.com>
# Date 1135783346 28800
# Node ID 428e0a9c9968e3922f70f3fa50343779cbeb021e
# Parent  da3f1121721b53cddc730b12dd0c50769e04cb56# Parent  fb4149eebdd48f0e07d710c945246d9f7f25a827
merge with mainline



diff -r da3f1121721b -r 428e0a9c9968 hgeditor
--- a/hgeditor	Wed Dec 28 07:13:52 2005 -0800
+++ b/hgeditor	Wed Dec 28 07:22:26 2005 -0800
@@ -1,10 +1,7 @@
 #!/bin/sh
 #
-# This is an example of using HGEDITOR to automate the signing of
-# commits and so on.
-
-# change this to one to turn on GPG support
-SIGN=0
+# This is an example of using HGEDITOR to create of diff to review the
+# changes while commiting.
 
 # If you want to pass your favourite editor some other parameters
 # only for Mercurial, modify this:
@@ -43,12 +40,7 @@
     done
 )
 
-echo > "$HGTMP/msg"
-if [ "$SIGN" == "1" ]; then
-    MANIFEST=`grep '^HG: manifest hash' "$1" | cut -b 19-`
-    echo -e "\nmanifest hash: $MANIFEST" >> "$HGTMP/msg"
-fi
-grep -vE '^(HG: manifest hash .*)?$' "$1" >> "$HGTMP/msg"
+cat "$1" > "$HGTMP/msg"
 
 CHECKSUM=`md5sum "$HGTMP/msg"`
 if [ -s "$HGTMP/diff" ]; then
@@ -58,14 +50,6 @@
 fi
 echo "$CHECKSUM" | md5sum -c >/dev/null 2>&1 && exit 13
 
-if [ "$SIGN" == "1" ]; then
-    {
-        head -n 1 "$HGTMP/msg"
-        echo
-        grep -v "^HG:" "$HGTMP/msg" | gpg -t -a -u "${HGUSER}" --clearsign
-    } > "$HGTMP/msg.gpg" && mv "$HGTMP/msg.gpg" "$1"
-else
-    mv "$HGTMP/msg" "$1"
-fi
+mv "$HGTMP/msg" "$1"
 
 exit $?
diff -r da3f1121721b -r 428e0a9c9968 mercurial/commands.py
--- a/mercurial/commands.py	Wed Dec 28 07:13:52 2005 -0800
+++ b/mercurial/commands.py	Wed Dec 28 07:22:26 2005 -0800
@@ -463,7 +463,8 @@
             opt_output.append(("%2s%s" % (shortopt and "-%s" % shortopt,
                                           longopt and " --%s" % longopt),
                                "%s%s" % (desc,
-                                         default and _(" (default: %s)") % default
+                                         default
+                                         and _(" (default: %s)") % default
                                          or "")))
 
     if opt_output:
@@ -730,7 +731,8 @@
         revs = None
         if opts['rev']:
             if not other.local():
-                raise util.Abort("clone -r not supported yet for remote repositories.")
+                error = "clone -r not supported yet for remote repositories."
+                raise util.Abort(error)
             else:
                 revs = [other.lookup(rev) for rev in opts['rev']]
         repo = hg.repository(ui, dest, create=1)
@@ -985,7 +987,8 @@
             ui.warn(_("%s in manifest1, but listed as state %s") % (f, state))
             errors += 1
     if errors:
-        raise util.Abort(_(".hg/dirstate inconsistent with current parent's manifest"))
+        error = _(".hg/dirstate inconsistent with current parent's manifest")
+        raise util.Abort(error)
 
 def debugconfig(ui):
     """show combined config settings from all hgrc files"""
@@ -1176,7 +1179,8 @@
     revs = list(revrange(ui, repo, changesets))
     total = len(revs)
     revwidth = max(map(len, revs))
-    ui.note(len(revs) > 1 and _("Exporting patches:\n") or _("Exporting patch:\n"))
+    msg = len(revs) > 1 and _("Exporting patches:\n") or _("Exporting patch:\n")
+    ui.note(msg)
     for cset in revs:
         seqno += 1
         doexport(ui, repo, cset, seqno, total, revwidth, opts)
@@ -2019,7 +2023,7 @@
         for f in changes:
             ui.write(format % f)
 
-def tag(ui, repo, name, rev=None, **opts):
+def tag(ui, repo, name, rev_=None, **opts):
     """add a tag for the current tip or a given revision
 
     Name a particular revision using <name>.
@@ -2037,10 +2041,10 @@
     """
     if name == "tip":
         raise util.Abort(_("the name 'tip' is reserved"))
-    if 'rev' in opts:
-        rev = opts['rev']
-    if rev:
-        r = hex(repo.lookup(rev))
+    if opts['rev']:
+        rev_ = opts['rev']
+    if rev_:
+        r = hex(repo.lookup(rev_))
     else:
         r = hex(repo.changelog.tip())
 
@@ -2095,7 +2099,7 @@
     n = repo.changelog.tip()
     show_changeset(ui, repo, changenode=n)
 
-def unbundle(ui, repo, fname):
+def unbundle(ui, repo, fname, **opts):
     """apply a changegroup file
 
     Apply a compressed changegroup file generated by the bundle
@@ -2112,7 +2116,13 @@
             yield zd.decompress(chunk)
 
     bzgen = bzgenerator(util.filechunkiter(f, 4096))
-    repo.addchangegroup(util.chunkbuffer(bzgen))
+    if repo.addchangegroup(util.chunkbuffer(bzgen)):
+        return 1
+
+    if opts['update']:
+        return update(ui, repo)
+    else:
+        ui.status(_("(run 'hg update' to get a working copy)\n"))
 
 def undo(ui, repo):
     """undo the last commit or pull
@@ -2221,8 +2231,10 @@
          [('U', 'noupdate', None, _('do not update the new working directory')),
           ('e', 'ssh', "", _('specify ssh command to use')),
           ('', 'pull', None, _('use pull protocol to copy metadata')),
-          ('r', 'rev', [], _('a changeset you would like to have after cloning')),
-          ('', 'remotecmd', "", _('specify hg command to run on the remote side'))],
+          ('r', 'rev', [],
+           _('a changeset you would like to have after cloning')),
+          ('', 'remotecmd', "",
+           _('specify hg command to run on the remote side'))],
          _('hg clone [OPTION]... SOURCE [DEST]')),
     "^commit|ci":
         (commit,
@@ -2235,10 +2247,14 @@
           ('u', 'user', "", _('record user as commiter'))],
          _('hg commit [OPTION]... [FILE]...')),
     "copy|cp": (copy,
-             [('I', 'include', [], _('include names matching the given patterns')),
-              ('X', 'exclude', [], _('exclude names matching the given patterns')),
-              ('A', 'after', None, _('record a copy that has already occurred')),
-              ('f', 'force', None, _('forcibly copy over an existing managed file'))],
+             [('I', 'include', [],
+               _('include names matching the given patterns')),
+              ('X', 'exclude', [],
+               _('exclude names matching the given patterns')),
+              ('A', 'after', None,
+               _('record a copy that has already occurred')),
+              ('f', 'force', None,
+               _('forcibly copy over an existing managed file'))],
              _('hg copy [OPTION]... [SOURCE]... DEST')),
     "debugancestor": (debugancestor, [], _('debugancestor INDEX REV1 REV2')),
     "debugcheckstate": (debugcheckstate, [], _('debugcheckstate')),
@@ -2279,7 +2295,8 @@
           ('X', 'exclude', [], _('exclude names matching the given patterns')),
           ('', 'all', None, _('print all revisions that match')),
           ('i', 'ignore-case', None, _('ignore case when matching')),
-          ('l', 'files-with-matches', None, _('print only filenames and revs that match')),
+          ('l', 'files-with-matches', None,
+           _('print only filenames and revs that match')),
           ('n', 'line-number', None, _('print matching line numbers')),
           ('r', 'rev', [], _('search in given revision range')),
           ('u', 'user', None, _('print user who committed change'))],
@@ -2293,9 +2310,11 @@
     "identify|id": (identify, [], _('hg identify')),
     "import|patch":
         (import_,
-         [('p', 'strip', 1, _('directory strip option for patch. This has the same\n') +
-                            _('meaning as the corresponding patch option')),
-          ('f', 'force', None, _('skip check for outstanding uncommitted changes')),
+         [('p', 'strip', 1,
+           _('directory strip option for patch. This has the same\n') +
+           _('meaning as the corresponding patch option')),
+          ('f', 'force', None,
+           _('skip check for outstanding uncommitted changes')),
           ('b', 'base', "", _('base path'))],
          "hg import [-f] [-p NUM] [-b BASE] PATCH..."),
     "incoming|in": (incoming,
@@ -2307,8 +2326,10 @@
     "locate":
         (locate,
          [('r', 'rev', '', _('search the repository as it stood at rev')),
-          ('0', 'print0', None, _('end filenames with NUL, for use with xargs')),
-          ('f', 'fullpath', None, _('print complete paths from the filesystem root')),
+          ('0', 'print0', None,
+           _('end filenames with NUL, for use with xargs')),
+          ('f', 'fullpath', None,
+           _('print complete paths from the filesystem root')),
           ('I', 'include', [], _('include names matching the given patterns')),
           ('X', 'exclude', [], _('exclude names matching the given patterns'))],
          _('hg locate [OPTION]... [PATTERN]...')),
@@ -2333,16 +2354,19 @@
     "paths": (paths, [], _('hg paths [NAME]')),
     "^pull":
         (pull,
-         [('u', 'update', None, _('update the working directory to tip after pull')),
+         [('u', 'update', None,
+           _('update the working directory to tip after pull')),
           ('e', 'ssh', "", _('specify ssh command to use')),
           ('r', 'rev', [], _('a specific revision you would like to pull')),
-          ('', 'remotecmd', "", _('specify hg command to run on the remote side'))],
+          ('', 'remotecmd', "",
+           _('specify hg command to run on the remote side'))],
          _('hg pull [-u] [-e FILE] [-r rev] [--remotecmd FILE] [SOURCE]')),
     "^push":
         (push,
          [('f', 'force', None, _('force push')),
           ('e', 'ssh', "", _('specify ssh command to use')),
-          ('', 'remotecmd', "", _('specify hg command to run on the remote side'))],
+          ('', 'remotecmd', "",
+           _('specify hg command to run on the remote side'))],
          _('hg push [-f] [-e FILE] [--remotecmd FILE] [DEST]')),
     "rawcommit":
         (rawcommit,
@@ -2355,14 +2379,20 @@
          _('hg rawcommit [OPTION]... [FILE]...')),
     "recover": (recover, [], _("hg recover")),
     "^remove|rm": (remove,
-                   [('I', 'include', [], _('include names matching the given patterns')),
-                    ('X', 'exclude', [], _('exclude names matching the given patterns'))],
+                   [('I', 'include', [],
+                     _('include names matching the given patterns')),
+                    ('X', 'exclude', [],
+                     _('exclude names matching the given patterns'))],
                    _("hg remove [OPTION]... FILE...")),
     "rename|mv": (rename,
-                  [('I', 'include', [], _('include names matching the given patterns')),
-                   ('X', 'exclude', [], _('exclude names matching the given patterns')),
-                   ('A', 'after', None, _('record a rename that has already occurred')),
-                   ('f', 'force', None, _('forcibly copy over an existing managed file'))],
+                  [('I', 'include', [],
+                    _('include names matching the given patterns')),
+                   ('X', 'exclude', [],
+                    _('exclude names matching the given patterns')),
+                   ('A', 'after', None,
+                    _('record a rename that has already occurred')),
+                   ('f', 'force', None,
+                    _('forcibly copy over an existing managed file'))],
                   _('hg rename [OPTION]... [SOURCE]... DEST')),
     "^revert":
         (revert,
@@ -2377,7 +2407,8 @@
           ('E', 'errorlog', '', _('name of error log file to write to')),
           ('p', 'port', 0, _('port to use (default: 8000)')),
           ('a', 'address', '', _('address to use')),
-          ('n', 'name', "", _('name to show in web pages (default: working dir)')),
+          ('n', 'name', "",
+           _('name to show in web pages (default: working dir)')),
           ('', 'stdio', None, _('for remote clients')),
           ('t', 'templates', "", _('web templates to use')),
           ('', 'style', "", _('template style to use')),
@@ -2390,7 +2421,8 @@
           ('r', 'removed', None, _('show only removed files')),
           ('u', 'unknown', None, _('show only unknown (not tracked) files')),
           ('n', 'no-status', None, _('hide status prefix')),
-          ('0', 'print0', None, _('end filenames with NUL, for use with xargs')),
+          ('0', 'print0', None,
+           _('end filenames with NUL, for use with xargs')),
           ('I', 'include', [], _('include names matching the given patterns')),
           ('X', 'exclude', [], _('exclude names matching the given patterns'))],
          _("hg status [OPTION]... [FILE]...")),
@@ -2406,8 +2438,9 @@
     "tip": (tip, [], _('hg tip')),
     "unbundle":
         (unbundle,
-         [],
-         _('hg unbundle FILE')),
+         [('u', 'update', None,
+           _('update the working directory to tip after unbundle'))],
+         _('hg unbundle [-u] FILE')),
     "undo": (undo, [], _('hg undo')),
     "^update|up|checkout|co":
         (update,
@@ -2423,7 +2456,8 @@
 globalopts = [
     ('R', 'repository', "", _("repository root directory")),
     ('', 'cwd', '', _("change working directory")),
-    ('y', 'noninteractive', None, _("do not prompt, assume 'yes' for any required answers")),
+    ('y', 'noninteractive', None,
+     _("do not prompt, assume 'yes' for any required answers")),
     ('q', 'quiet', None, _("suppress output")),
     ('v', 'verbose', None, _("enable additional output")),
     ('', 'debug', None, _("enable debugging output")),
diff -r da3f1121721b -r 428e0a9c9968 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Wed Dec 28 07:13:52 2005 -0800
+++ b/mercurial/localrepo.py	Wed Dec 28 07:22:26 2005 -0800
@@ -400,10 +400,6 @@
                 fp1 = m1.get(f, nullid)
                 fp2 = m2.get(f, nullid)
 
-            # is the same revision on two branches of a merge?
-            if fp2 == fp1:
-                fp2 = nullid
-
             if fp2 != nullid:
                 # is one parent an ancestor of the other?
                 fpa = r.ancestor(fp1, fp2)
@@ -413,7 +409,7 @@
                     fp2 = nullid
 
                 # is the file unmodified from the parent?
-                if not meta and t == r.read(fp1):
+                if not meta and t == r.read(fp1) and fp2 == nullid:
                     # record the proper existing parent in manifest
                     # no need to add a revision
                     new[f] = fp1
diff -r da3f1121721b -r 428e0a9c9968 mercurial/revlog.py
--- a/mercurial/revlog.py	Wed Dec 28 07:13:52 2005 -0800
+++ b/mercurial/revlog.py	Wed Dec 28 07:22:26 2005 -0800
@@ -188,6 +188,7 @@
         self.datafile = datafile
         self.opener = opener
         self.cache = None
+        self.chunkcache = None
 
         try:
             i = self.opener(self.indexfile).read()
@@ -473,6 +474,35 @@
         """apply a list of patches to a string"""
         return mdiff.patches(t, pl)
 
+    def chunk(self, rev):
+        start, length = self.start(rev), self.length(rev)
+        end = start + length
+
+        def loadcache():
+            cache_length = max(4096 * 1024, length) # 4Mo
+            df = self.opener(self.datafile)
+            df.seek(start)
+            self.chunkcache = (start, df.read(cache_length))
+
+        if not self.chunkcache:
+            loadcache()
+
+        cache_start = self.chunkcache[0]
+        cache_end = cache_start + len(self.chunkcache[1])
+        if start >= cache_start and end <= cache_end:
+            # it is cached
+            offset = start - cache_start
+        else:
+            loadcache()
+            offset = 0
+
+        #def checkchunk():
+        #    df = self.opener(self.datafile)
+        #    df.seek(start)
+        #    return df.read(length)
+        #assert s == checkchunk()
+        return decompress(self.chunkcache[1][offset:offset + length])
+
     def delta(self, node):
         """return or calculate a delta between a node and its predecessor"""
         r = self.rev(node)
@@ -481,10 +511,7 @@
             return self.diff(self.revision(self.node(r - 1)),
                              self.revision(node))
         else:
-            f = self.opener(self.datafile)
-            f.seek(self.start(r))
-            data = f.read(self.length(r))
-        return decompress(data)
+            return self.chunk(r)
 
     def revision(self, node):
         """return an uncompressed revision of a given"""
@@ -494,33 +521,22 @@
         # look up what we need to read
         text = None
         rev = self.rev(node)
-        start, length, base, link, p1, p2, node = self.index[rev]
-        end = start + length
-        if base != rev: start = self.start(base)
+        base = self.base(rev)
 
         # do we have useful data cached?
         if self.cache and self.cache[1] >= base and self.cache[1] < rev:
             base = self.cache[1]
-            start = self.start(base + 1)
             text = self.cache[2]
-            last = 0
-
-        f = self.opener(self.datafile)
-        f.seek(start)
-        data = f.read(end - start)
-
-        if text is None:
-            last = self.length(base)
-            text = decompress(data[:last])
+        else:
+            text = self.chunk(base)
 
         bins = []
         for r in xrange(base + 1, rev + 1):
-            s = self.length(r)
-            bins.append(decompress(data[last:last + s]))
-            last = last + s
+            bins.append(self.chunk(r))
 
         text = mdiff.patches(text, bins)
 
+        p1, p2 = self.parents(node)
         if node != hash(text, p1, p2):
             raise RevlogError(_("integrity check failed on %s:%d")
                           % (self.datafile, rev))
@@ -650,7 +666,7 @@
                 #print "next x"
                 gx = x.next()
 
-    def group(self, nodelist, lookup, infocollect = None):
+    def group(self, nodelist, lookup, infocollect=None):
         """calculate a delta group
 
         Given a list of changeset revs, return a set of deltas and
@@ -660,7 +676,6 @@
         changesets. parent is parent[0]
         """
         revs = [self.rev(n) for n in nodelist]
-        needed = dict.fromkeys(revs, 1)
 
         # if we don't have any revisions touched by these changesets, bail
         if not revs:
@@ -671,88 +686,30 @@
         p = self.parents(self.node(revs[0]))[0]
         revs.insert(0, self.rev(p))
 
-        # for each delta that isn't contiguous in the log, we need to
-        # reconstruct the base, reconstruct the result, and then
-        # calculate the delta. We also need to do this where we've
-        # stored a full version and not a delta
-        for i in xrange(0, len(revs) - 1):
-            a, b = revs[i], revs[i + 1]
-            if a + 1 != b or self.base(b) == b:
-                for j in xrange(self.base(a), a + 1):
-                    needed[j] = 1
-                for j in xrange(self.base(b), b + 1):
-                    needed[j] = 1
-
-        # calculate spans to retrieve from datafile
-        needed = needed.keys()
-        needed.sort()
-        spans = []
-        oo = -1
-        ol = 0
-        for n in needed:
-            if n < 0: continue
-            o = self.start(n)
-            l = self.length(n)
-            if oo + ol == o: # can we merge with the previous?
-                nl = spans[-1][2]
-                nl.append((n, l))
-                ol += l
-                spans[-1] = (oo, ol, nl)
-            else:
-                oo = o
-                ol = l
-                spans.append((oo, ol, [(n, l)]))
-
-        # read spans in, divide up chunks
-        chunks = {}
-        for span in spans:
-            # we reopen the file for each span to make http happy for now
-            f = self.opener(self.datafile)
-            f.seek(span[0])
-            data = f.read(span[1])
-
-            # divide up the span
-            pos = 0
-            for r, l in span[2]:
-                chunks[r] = decompress(data[pos: pos + l])
-                pos += l
-
         # helper to reconstruct intermediate versions
         def construct(text, base, rev):
-            bins = [chunks[r] for r in xrange(base + 1, rev + 1)]
+            bins = [self.chunk(r) for r in xrange(base + 1, rev + 1)]
             return mdiff.patches(text, bins)
 
         # build deltas
-        deltas = []
         for d in xrange(0, len(revs) - 1):
             a, b = revs[d], revs[d + 1]
-            n = self.node(b)
+            na = self.node(a)
+            nb = self.node(b)
 
             if infocollect is not None:
-                infocollect(n)
+                infocollect(nb)
 
             # do we need to construct a new delta?
             if a + 1 != b or self.base(b) == b:
-                if a >= 0:
-                    base = self.base(a)
-                    ta = chunks[self.base(a)]
-                    ta = construct(ta, base, a)
-                else:
-                    ta = ""
-
-                base = self.base(b)
-                if a > base:
-                    base = a
-                    tb = ta
-                else:
-                    tb = chunks[self.base(b)]
-                tb = construct(tb, base, b)
+                ta = self.revision(na)
+                tb = self.revision(nb)
                 d = self.diff(ta, tb)
             else:
-                d = chunks[b]
+                d = self.chunk(b)
 
-            p = self.parents(n)
-            meta = n + p[0] + p[1] + lookup(n)
+            p = self.parents(nb)
+            meta = nb + p[0] + p[1] + lookup(nb)
             l = struct.pack(">l", len(meta) + len(d) + 4)
             yield l
             yield meta
diff -r da3f1121721b -r 428e0a9c9968 mercurial/statichttprepo.py
--- a/mercurial/statichttprepo.py	Wed Dec 28 07:13:52 2005 -0800
+++ b/mercurial/statichttprepo.py	Wed Dec 28 07:22:26 2005 -0800
@@ -35,6 +35,8 @@
         self.changelog = changelog.changelog(self.opener)
         self.tagscache = None
         self.nodetagscache = None
+        self.encodepats = None
+        self.decodepats = None
 
     def dev(self):
         return -1
diff -r da3f1121721b -r 428e0a9c9968 tests/test-tag
--- a/tests/test-tag	Wed Dec 28 07:13:52 2005 -0800
+++ b/tests/test-tag	Wed Dec 28 07:22:26 2005 -0800
@@ -11,6 +11,13 @@
 echo foo >> .hgtags
 hg tag -d "0 0" "bleah2" || echo "failed"
 
+hg revert .hgtags
+hg tag -d "0 0" -r 0 "bleah0"
+hg tag -l -d "0 0" "bleah1" 1
+
+cat .hgtags
+cat .hg/localtags
+
 hg tag -l 'xx
 newline'
 hg tag -l 'xx:xx'
diff -r da3f1121721b -r 428e0a9c9968 tests/test-tag.out
--- a/tests/test-tag.out	Wed Dec 28 07:13:52 2005 -0800
+++ b/tests/test-tag.out	Wed Dec 28 07:22:26 2005 -0800
@@ -18,5 +18,8 @@
 
 abort: working copy of .hgtags is changed (please commit .hgtags manually)
 failed
+acb14030fe0a21b60322c440ad2d20cf7685a376 bleah
+acb14030fe0a21b60322c440ad2d20cf7685a376 bleah0
+863197ef03781c4fc00276d83eb66c4cb9cd91df bleah1
 abort: '\n' cannot be used in a tag name
 abort: ':' cannot be used in a tag name