# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 1158274287 -7200
# Node ID 41e5ecfb6c247cd3812b003c3521433035d87472
# Parent  edefbb3a3b0816dc02f8467b833885784e9f5eb7# Parent  7fa3d38a99b6b5802a00a4bf76e8f852f42d5889
merge with brendan

diff --git a/contrib/churn.py b/contrib/churn.py
--- a/contrib/churn.py
+++ b/contrib/churn.py
@@ -14,7 +14,7 @@
 from mercurial.demandload import *
 from mercurial.i18n import gettext as _
 demandload(globals(), 'time sys signal os')
-demandload(globals(), 'mercurial:hg,mdiff,fancyopts,commands,ui,util,templater,node')
+demandload(globals(), 'mercurial:hg,mdiff,fancyopts,cmdutil,ui,util,templater,node')
 
 def __gather(ui, repo, node1, node2):
     def dirtywork(f, mmap1, mmap2):
@@ -150,7 +150,7 @@ def churn(ui, repo, **opts):
         amap = get_aliases(f)
         f.close()
 
-    revs = [int(r) for r in commands.revrange(ui, repo, opts['rev'])]
+    revs = [int(r) for r in cmdutil.revrange(ui, repo, opts['rev'])]
     revs.sort()
     stats = gather_stats(ui, repo, amap, revs, opts.get('progress'))
 
diff --git a/hgext/extdiff.py b/hgext/extdiff.py
--- a/hgext/extdiff.py
+++ b/hgext/extdiff.py
@@ -45,7 +45,7 @@
 from mercurial.demandload import demandload
 from mercurial.i18n import gettext as _
 from mercurial.node import *
-demandload(globals(), 'mercurial:commands,cmdutil,util os shutil tempfile')
+demandload(globals(), 'mercurial:cmdutil,util os shutil tempfile')
 
 def dodiff(ui, repo, diffcmd, diffopts, pats, opts):
     def snapshot_node(files, node):
@@ -90,7 +90,7 @@ def dodiff(ui, repo, diffcmd, diffopts, 
                 fp.write(chunk)
         return dirname
 
-    node1, node2 = commands.revpair(ui, repo, opts['rev'])
+    node1, node2 = cmdutil.revpair(ui, repo, opts['rev'])
     files, matchfn, anypats = cmdutil.matchpats(repo, pats, opts)
     modified, added, removed, deleted, unknown = repo.status(
         node1, node2, files, match=matchfn)[:5]
diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -40,7 +40,7 @@ commands.norepo += " qclone qversion"
 class statusentry:
     def __init__(self, rev, name=None):
         if not name:
-            fields = rev.split(':')
+            fields = rev.split(':', 1)
             if len(fields) == 2:
                 self.rev, self.name = fields
             else:
@@ -483,24 +483,35 @@ class queue:
         tr.close()
         return (err, n)
 
-    def delete(self, repo, patches, keep=False):
+    def delete(self, repo, patches, opts):
         realpatches = []
+        appliedbase = 0
+        forget = opts.get('forget')
         for patch in patches:
             patch = self.lookup(patch, strict=True)
             info = self.isapplied(patch)
-            if info:
+            if info and not forget:
                 raise util.Abort(_("cannot delete applied patch %s") % patch)
             if patch not in self.series:
                 raise util.Abort(_("patch %s not in series file") % patch)
+            if forget:
+                if not info:
+                    raise util.Abort(_("cannot forget unapplied patch %s") % patch)
+                if info[0] != appliedbase:
+                    raise util.Abort(_("patch %s not at base") % patch)
+                appliedbase += 1
             realpatches.append(patch)
 
-        if not keep:
+        if not opts.get('keep'):
             r = self.qrepo()
             if r:
                 r.remove(realpatches, True)
             else:
                 os.unlink(self.join(patch))
 
+        if forget:
+            del self.applied[:appliedbase]
+            self.applied_dirty = 1
         indices = [self.find_series(p) for p in realpatches]
         indices.sort()
         for i in indices[-1::-1]:
@@ -995,6 +1006,8 @@ class queue:
             r = list(util.unique(dd))
             a = list(util.unique(aa))
             filelist = filter(matchfn, util.unique(m + r + a))
+            if opts.get('git'):
+                self.diffopts().git = True
             patch.diff(repo, patchparent, files=filelist, match=matchfn,
                        fp=patchf, changes=(m, a, r, [], u),
                        opts=self.diffopts())
@@ -1304,10 +1317,15 @@ class queue:
 def delete(ui, repo, patch, *patches, **opts):
     """remove patches from queue
 
-    The patches must not be applied.
-    With -k, the patch files are preserved in the patch directory."""
+    With --forget, mq will stop managing the named patches. The
+    patches must be applied and at the base of the stack. This option
+    is useful when the patches have been applied upstream.
+
+    Otherwise, the patches must not be applied.
+
+    With --keep, the patch files are preserved in the patch directory."""
     q = repo.mq
-    q.delete(repo, (patch,) + patches, keep=opts.get('keep'))
+    q.delete(repo, (patch,) + patches, opts)
     q.save_dirty()
     return 0
 
@@ -1651,13 +1669,6 @@ def rename(ui, repo, patch, name=None, *
         name = patch
         patch = None
 
-    if name in q.series:
-        raise util.Abort(_('A patch named %s already exists in the series file') % name)
-
-    absdest = q.join(name)
-    if os.path.exists(absdest):
-        raise util.Abort(_('%s already exists') % absdest)
-    
     if patch:
         patch = q.lookup(patch)
     else:
@@ -1665,6 +1676,15 @@ def rename(ui, repo, patch, name=None, *
             ui.write(_('No patches applied\n'))
             return
         patch = q.lookup('qtip')
+    absdest = q.join(name)
+    if os.path.isdir(absdest):
+        name = os.path.join(name, os.path.basename(patch))
+        absdest = q.join(name)
+    if os.path.exists(absdest):
+        raise util.Abort(_('%s already exists') % absdest)
+    
+    if name in q.series:
+        raise util.Abort(_('A patch named %s already exists in the series file') % name)
 
     if ui.verbose:
         ui.write('Renaming %s to %s\n' % (patch, name))
@@ -1736,7 +1756,8 @@ def strip(ui, repo, rev, **opts):
         backup = 'strip'
     elif opts['nobackup']:
         backup = 'none'
-    repo.mq.strip(repo, rev, backup=backup)
+    update = repo.dirstate.parents()[0] != revlog.nullid
+    repo.mq.strip(repo, rev, backup=backup, update=update)
     return 0
 
 def select(ui, repo, *args, **opts):
@@ -1912,8 +1933,9 @@ cmdtable = {
                'hg qdiff [-I] [-X] [FILE]...'),
     "qdelete|qremove|qrm":
         (delete,
-         [('k', 'keep', None, _('keep patch file'))],
-          'hg qdelete [-k] PATCH'),
+         [('f', 'forget', None, _('stop managing an applied patch')),
+          ('k', 'keep', None, _('keep patch file'))],
+          'hg qdelete [-f] [-k] PATCH'),
     'qfold':
         (fold,
          [('e', 'edit', None, _('edit patch header')),
@@ -1964,6 +1986,7 @@ cmdtable = {
          [('e', 'edit', None, _('edit commit message')),
           ('m', 'message', '', _('change commit message with <text>')),
           ('l', 'logfile', '', _('change commit message with <file> content')),
+          ('g', 'git', None, _('use git extended diff format')),
           ('s', 'short', None, 'short refresh'),
           ('I', 'include', [], _('include names matching the given patterns')),
           ('X', 'exclude', [], _('exclude names matching the given patterns'))],
@@ -1995,7 +2018,7 @@ cmdtable = {
         (series,
          [('m', 'missing', None, 'print patches not in series'),
           ('s', 'summary', None, _('print first line of patch header'))],
-         'hg qseries [-m]'),
+         'hg qseries [-ms]'),
     "^strip":
         (strip,
          [('f', 'force', None, 'force multi-head removal'),
diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -11,6 +11,76 @@ from i18n import gettext as _
 demandload(globals(), 'mdiff util')
 demandload(globals(), 'os sys')
 
+revrangesep = ':'
+
+def revfix(repo, val, defval):
+    '''turn user-level id of changeset into rev number.
+    user-level id can be tag, changeset, rev number, or negative rev
+    number relative to number of revs (-1 is tip, etc).'''
+    if not val:
+        return defval
+    try:
+        num = int(val)
+        if str(num) != val:
+            raise ValueError
+        if num < 0:
+            num += repo.changelog.count()
+        if num < 0:
+            num = 0
+        elif num >= repo.changelog.count():
+            raise ValueError
+    except ValueError:
+        try:
+            num = repo.changelog.rev(repo.lookup(val))
+        except KeyError:
+            raise util.Abort(_('invalid revision identifier %s') % val)
+    return num
+
+def revpair(ui, repo, revs):
+    '''return pair of nodes, given list of revisions. second item can
+    be None, meaning use working dir.'''
+    if not revs:
+        return repo.dirstate.parents()[0], None
+    end = None
+    if len(revs) == 1:
+        start = revs[0]
+        if revrangesep in start:
+            start, end = start.split(revrangesep, 1)
+            start = revfix(repo, start, 0)
+            end = revfix(repo, end, repo.changelog.count() - 1)
+        else:
+            start = revfix(repo, start, None)
+    elif len(revs) == 2:
+        if revrangesep in revs[0] or revrangesep in revs[1]:
+            raise util.Abort(_('too many revisions specified'))
+        start = revfix(repo, revs[0], None)
+        end = revfix(repo, revs[1], None)
+    else:
+        raise util.Abort(_('too many revisions specified'))
+    if end is not None: end = repo.lookup(str(end))
+    return repo.lookup(str(start)), end
+
+def revrange(ui, repo, revs):
+    """Yield revision as strings from a list of revision specifications."""
+    seen = {}
+    for spec in revs:
+        if revrangesep in spec:
+            start, end = spec.split(revrangesep, 1)
+            start = revfix(repo, start, 0)
+            end = revfix(repo, end, repo.changelog.count() - 1)
+            step = start > end and -1 or 1
+            for rev in xrange(start, end+step, step):
+                if rev in seen:
+                    continue
+                seen[rev] = 1
+                yield str(rev)
+        else:
+            rev = revfix(repo, spec, None)
+            if rev in seen:
+                continue
+            seen[rev] = 1
+            yield str(rev)
+
 def make_filename(repo, pat, node,
                   total=None, seqno=None, revwidth=None, pathname=None):
     node_expander = {
diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -108,7 +108,7 @@ def walkchangerevs(ui, repo, pats, opts)
         defrange = '%s:0' % start
     else:
         defrange = 'tip:0'
-    revs = map(int, revrange(ui, repo, opts['rev'] or [defrange]))
+    revs = map(int, cmdutil.revrange(ui, repo, opts['rev'] or [defrange]))
     wanted = {}
     slowpath = anypats
     fncache = {}
@@ -252,76 +252,6 @@ def walkchangerevs(ui, repo, pats, opts)
                 yield 'iter', rev, None
     return iterate(), getchange, matchfn
 
-revrangesep = ':'
-
-def revfix(repo, val, defval):
-    '''turn user-level id of changeset into rev number.
-    user-level id can be tag, changeset, rev number, or negative rev
-    number relative to number of revs (-1 is tip, etc).'''
-    if not val:
-        return defval
-    try:
-        num = int(val)
-        if str(num) != val:
-            raise ValueError
-        if num < 0:
-            num += repo.changelog.count()
-        if num < 0:
-            num = 0
-        elif num >= repo.changelog.count():
-            raise ValueError
-    except ValueError:
-        try:
-            num = repo.changelog.rev(repo.lookup(val))
-        except KeyError:
-            raise util.Abort(_('invalid revision identifier %s') % val)
-    return num
-
-def revpair(ui, repo, revs):
-    '''return pair of nodes, given list of revisions. second item can
-    be None, meaning use working dir.'''
-    if not revs:
-        return repo.dirstate.parents()[0], None
-    end = None
-    if len(revs) == 1:
-        start = revs[0]
-        if revrangesep in start:
-            start, end = start.split(revrangesep, 1)
-            start = revfix(repo, start, 0)
-            end = revfix(repo, end, repo.changelog.count() - 1)
-        else:
-            start = revfix(repo, start, None)
-    elif len(revs) == 2:
-        if revrangesep in revs[0] or revrangesep in revs[1]:
-            raise util.Abort(_('too many revisions specified'))
-        start = revfix(repo, revs[0], None)
-        end = revfix(repo, revs[1], None)
-    else:
-        raise util.Abort(_('too many revisions specified'))
-    if end is not None: end = repo.lookup(str(end))
-    return repo.lookup(str(start)), end
-
-def revrange(ui, repo, revs):
-    """Yield revision as strings from a list of revision specifications."""
-    seen = {}
-    for spec in revs:
-        if revrangesep in spec:
-            start, end = spec.split(revrangesep, 1)
-            start = revfix(repo, start, 0)
-            end = revfix(repo, end, repo.changelog.count() - 1)
-            step = start > end and -1 or 1
-            for rev in xrange(start, end+step, step):
-                if rev in seen:
-                    continue
-                seen[rev] = 1
-                yield str(rev)
-        else:
-            rev = revfix(repo, spec, None)
-            if rev in seen:
-                continue
-            seen[rev] = 1
-            yield str(rev)
-
 def write_bundle(cg, filename=None, compress=True):
     """Write a bundle file and return its filename.
 
@@ -1344,7 +1274,7 @@ def diff(ui, repo, *pats, **opts):
     it detects as binary. With -a, diff will generate a diff anyway,
     probably with undesirable results.
     """
-    node1, node2 = revpair(ui, repo, opts['rev'])
+    node1, node2 = cmdutil.revpair(ui, repo, opts['rev'])
 
     fns, matchfn, anypats = cmdutil.matchpats(repo, pats, opts)
 
@@ -1380,7 +1310,7 @@ def export(ui, repo, *changesets, **opts
     """
     if not changesets:
         raise util.Abort(_("export requires at least one changeset"))
-    revs = list(revrange(ui, repo, changesets))
+    revs = list(cmdutil.revrange(ui, repo, changesets))
     if len(revs) > 1:
         ui.note(_('exporting patches:\n'))
     else:
diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -143,7 +143,7 @@ class lazyparser(object):
                 # the revlog may have grown since we've started running,
                 # but we don't have space in self.index for more entries.
                 # limit blocksize so that we don't get too much data.
-                blocksize = self.datasize - blockstart
+                blocksize = max(self.datasize - blockstart, 0)
             data = self.dataf.read(blocksize)
         lend = len(data) / self.s
         i = blockstart / self.s
diff --git a/mercurial/sshrepo.py b/mercurial/sshrepo.py
--- a/mercurial/sshrepo.py
+++ b/mercurial/sshrepo.py
@@ -32,13 +32,6 @@ class sshrepository(remoterepository):
         remotecmd = self.ui.config("ui", "remotecmd", "hg")
 
         if create:
-            try:
-                self.validate_repo(ui, sshcmd, args, remotecmd)
-            except hg.RepoError:
-                pass
-            else:
-                raise hg.RepoError(_("repository %s already exists") % path)
-
             cmd = '%s %s "%s init %s"'
             cmd = cmd % (sshcmd, args, remotecmd, self.path)
 
diff --git a/tests/test-init.out b/tests/test-init.out
--- a/tests/test-init.out
+++ b/tests/test-init.out
@@ -3,7 +3,6 @@ adding foo
 #test failure
 abort: repository local already exists!
 # init+push to remote2
-remote: abort: repository remote2 not found!
 changeset:   0:c4e059d443be
 tag:         tip
 user:        test
@@ -17,26 +16,25 @@ remote: adding manifests
 remote: adding file changes
 remote: added 1 changesets with 1 changes to 1 files
 # clone to remote1
-remote: abort: repository remote1 not found!
 searching for changes
 remote: adding changesets
 remote: adding manifests
 remote: adding file changes
 remote: added 1 changesets with 1 changes to 1 files
 # init to existing repo
-abort: repository ssh://user@dummy/remote1 already exists!
+abort: repository remote1 already exists!
+abort: could not create remote repo!
 # clone to existing repo
-abort: repository ssh://user@dummy/remote1 already exists!
+abort: repository remote1 already exists!
+abort: could not create remote repo!
 # output of dummyssh
-Got arguments 1:user@dummy 2:hg -R remote2 serve --stdio 3: 4: 5:
 Got arguments 1:user@dummy 2:hg init remote2 3: 4: 5:
 Got arguments 1:user@dummy 2:hg -R remote2 serve --stdio 3: 4: 5:
 Got arguments 1:user@dummy 2:hg -R remote2 serve --stdio 3: 4: 5:
-Got arguments 1:user@dummy 2:hg -R remote1 serve --stdio 3: 4: 5:
 Got arguments 1:user@dummy 2:hg init remote1 3: 4: 5:
 Got arguments 1:user@dummy 2:hg -R remote1 serve --stdio 3: 4: 5:
-Got arguments 1:user@dummy 2:hg -R remote1 serve --stdio 3: 4: 5:
-Got arguments 1:user@dummy 2:hg -R remote1 serve --stdio 3: 4: 5:
+Got arguments 1:user@dummy 2:hg init remote1 3: 4: 5:
+Got arguments 1:user@dummy 2:hg init remote1 3: 4: 5:
 # comparing repositories
 0:c4e059d443be
 0:c4e059d443be
diff --git a/tests/test-mq-qdelete b/tests/test-mq-qdelete
new file mode 100755
--- /dev/null
+++ b/tests/test-mq-qdelete
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+echo "[extensions]" >> $HGRCPATH
+echo "mq=" >> $HGRCPATH
+
+hg init a
+cd a
+
+echo 'base' > base
+hg ci -Ambase -d '1 0'
+
+hg qnew a
+hg qnew b
+hg qnew c
+
+hg qdel c
+hg qpop
+hg qdel c
+hg qseries
+ls .hg/patches
+hg qpop
+hg qdel -k b
+ls .hg/patches
+hg qdel -f a
+hg qapplied
+hg log --template '{rev} {desc}\n'
+
+hg qnew d
+hg qnew e
+hg qnew f
+
+hg qdel -f e
+hg qdel -f d e
+hg qapplied
+hg log --template '{rev} {desc}\n'
diff --git a/tests/test-mq-qdelete.out b/tests/test-mq-qdelete.out
new file mode 100644
--- /dev/null
+++ b/tests/test-mq-qdelete.out
@@ -0,0 +1,23 @@
+adding base
+abort: cannot delete applied patch c
+Now at: b
+a
+b
+a
+b
+series
+status
+Now at: a
+a
+b
+series
+status
+1 New patch: a
+0 base
+abort: patch e not at base
+f
+4 New patch: f
+3 New patch: e
+2 New patch: d
+1 New patch: a
+0 base
diff --git a/tests/test-mq-qrename b/tests/test-mq-qrename
new file mode 100755
--- /dev/null
+++ b/tests/test-mq-qrename
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+echo "[extensions]" >> $HGRCPATH
+echo "mq=" >> $HGRCPATH
+
+hg init a
+cd a
+
+echo 'base' > base
+hg ci -Ambase -d '1 0'
+
+hg qnew -mmqbase mqbase
+hg qrename mqbase renamed
+mkdir .hg/patches/foo
+hg qrename renamed foo
+hg qseries
+ls .hg/patches/foo
+mkdir .hg/patches/bar
+hg qrename foo/renamed bar
+hg qseries
+ls .hg/patches/bar
+hg qrename bar/renamed baz
+hg qseries
+ls .hg/patches/baz
+
diff --git a/tests/test-mq-qrename.out b/tests/test-mq-qrename.out
new file mode 100644
--- /dev/null
+++ b/tests/test-mq-qrename.out
@@ -0,0 +1,7 @@
+adding base
+foo/renamed
+renamed
+bar/renamed
+renamed
+baz
+.hg/patches/baz