# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 1157411746 -7200
# Node ID 11e3396e3a2be0ce114e1ed94ae4a8c848f5655a
# Parent  d16b93f4a6ca732bfbde7d810166d0d590050ef0# Parent  60094899dfc9dc0b0c64221e3bbd584619a8d684
merge with brendan

diff --git a/contrib/churn.py b/contrib/churn.py
new file mode 100644
--- /dev/null
+++ b/contrib/churn.py
@@ -0,0 +1,179 @@
+# churn.py - create a graph showing who changed the most lines
+#
+# Copyright 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net>
+#
+# This software may be used and distributed according to the terms
+# of the GNU General Public License, incorporated herein by reference.
+#
+#
+# Aliases map file format is simple one alias per line in the following
+# format:
+#
+# <alias email> <actual email>
+
+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')
+
+def __gather(ui, repo, node1, node2):
+    def dirtywork(f, mmap1, mmap2):
+        lines = 0
+
+        to = mmap1 and repo.file(f).read(mmap1[f]) or None
+        tn = mmap2 and repo.file(f).read(mmap2[f]) or None
+
+        diff = mdiff.unidiff(to, "", tn, "", f).split("\n")
+
+        for line in diff:
+            if not line:
+                continue # skip EOF
+            if line.startswith(" "):
+                continue # context line
+            if line.startswith("--- ") or line.startswith("+++ "):
+                continue # begining of diff
+            if line.startswith("@@ "):
+                continue # info line
+
+            # changed lines
+            lines += 1
+
+        return lines
+
+    ##
+
+    lines = 0
+
+    changes = repo.status(node1, node2, None, util.always)[:5]
+
+    modified, added, removed, deleted, unknown = changes
+
+    who = repo.changelog.read(node2)[1]
+    who = templater.email(who) # get the email of the person
+
+    mmap1 = repo.manifest.read(repo.changelog.read(node1)[0])
+    mmap2 = repo.manifest.read(repo.changelog.read(node2)[0])
+    for f in modified:
+        lines += dirtywork(f, mmap1, mmap2)
+
+    for f in added:
+        lines += dirtywork(f, None, mmap2)
+        
+    for f in removed:
+        lines += dirtywork(f, mmap1, None)
+
+    for f in deleted:
+        lines += dirtywork(f, mmap1, mmap2)
+
+    for f in unknown:
+        lines += dirtywork(f, mmap1, mmap2)
+
+    return (who, lines)
+
+def gather_stats(ui, repo, amap, revs=None, progress=False):
+    stats = {}
+    
+    cl    = repo.changelog
+
+    if not revs:
+        revs = range(0, cl.count())
+
+    nr_revs = len(revs)
+    cur_rev = 0
+
+    for rev in revs:
+        cur_rev += 1 # next revision
+
+        node2    = cl.node(rev)
+        node1    = cl.parents(node2)[0]
+
+        if cl.parents(node2)[1] != node.nullid:
+            ui.note(_('Revision %d is a merge, ignoring...\n') % (rev,))
+            continue
+
+        who, lines = __gather(ui, repo, node1, node2)
+
+        # remap the owner if possible
+        if amap.has_key(who):
+            ui.note("using '%s' alias for '%s'\n" % (amap[who], who))
+            who = amap[who]
+
+        if not stats.has_key(who):
+            stats[who] = 0
+        stats[who] += lines
+
+        ui.note("rev %d: %d lines by %s\n" % (rev, lines, who))
+
+        if progress:
+            if int(100.0*(cur_rev - 1)/nr_revs) < int(100.0*cur_rev/nr_revs):
+                ui.write("%d%%.." % (int(100.0*cur_rev/nr_revs),))
+                sys.stdout.flush()
+
+    if progress:
+        ui.write("done\n")
+        sys.stdout.flush()
+
+    return stats
+
+def churn(ui, repo, **opts):
+    "Graphs the number of lines changed"
+    
+    def pad(s, l):
+        if len(s) < l:
+            return s + " " * (l-len(s))
+        return s[0:l]
+
+    def graph(n, maximum, width, char):
+        n = int(n * width / float(maximum))
+        
+        return char * (n)
+
+    def get_aliases(f):
+        aliases = {}
+
+        for l in f.readlines():
+            l = l.strip()
+            alias, actual = l.split(" ")
+            aliases[alias] = actual
+
+        return aliases
+    
+    amap = {}
+    aliases = opts.get('aliases')
+    if aliases:
+        try:
+            f = open(aliases,"r")
+        except OSError, e:
+            print "Error: " + e
+            return
+
+        amap = get_aliases(f)
+        f.close()
+
+    revs = [int(r) for r in commands.revrange(ui, repo, opts['rev'])]
+    revs.sort()
+    stats = gather_stats(ui, repo, amap, revs, opts.get('progress'))
+
+    # make a list of tuples (name, lines) and sort it in descending order
+    ordered = stats.items()
+    ordered.sort(cmp=lambda x, y: cmp(y[1], x[1]))
+
+    maximum = ordered[0][1]
+
+    ui.note("Assuming 80 character terminal\n")
+    width = 80 - 1
+
+    for i in ordered:
+        person = i[0]
+        lines = i[1]
+        print "%s %6d %s" % (pad(person, 20), lines,
+                graph(lines, maximum, width - 20 - 1 - 6 - 2 - 2, '*'))
+
+cmdtable = {
+    "churn":
+    (churn,
+     [('r', 'rev', [], _('limit statistics to the specified revisions')),
+      ('', 'aliases', '', _('file with email aliases')),
+      ('', 'progress', None, _('show progress'))],
+    'hg churn [-r revision range] [-a file] [--progress]'),
+}
diff --git a/doc/hgrc.5.txt b/doc/hgrc.5.txt
--- a/doc/hgrc.5.txt
+++ b/doc/hgrc.5.txt
@@ -135,6 +135,21 @@ decode/encode::
     # them to the working dir
     **.txt = tempfile: unix2dos -n INFILE OUTFILE
 
+defaults::
+  Use the [defaults] section to define command defaults, i.e. the 
+  default options/arguments to pass to the specified commands.
+  
+  The following example makes 'hg log' run in verbose mode, and
+  'hg status' show only the modified files, by default.
+  
+    [defaults]
+    log = -v
+    status = -m
+  
+  The actual commands, instead of their aliases, must be used when 
+  defining command defaults. The command defaults will also be
+  applied to the aliases of the commands defined.
+
 email::
   Settings for extensions that send email messages.
   from;;
diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -127,12 +127,7 @@ def clone(ui, source, dest=None, pull=Fa
             if self.dir_:
                 self.rmtree(self.dir_, True)
 
-    dest_repo = None
-    try:
-        dest_repo = repository(ui, dest)
-        raise util.Abort(_("destination '%s' already exists." % dest))
-    except RepoError:
-        dest_repo = repository(ui, dest, create=True)
+    dest_repo = repository(ui, dest, create=True)
 
     dest_path = None
     dir_cleanup = None
diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -31,8 +31,16 @@ class localrepository(repo.repository):
             path = p
         self.path = os.path.join(path, ".hg")
 
-        if not create and not os.path.isdir(self.path):
-            raise repo.RepoError(_("repository %s not found") % path)
+        if not os.path.isdir(self.path):
+            if create:
+                if not os.path.exists(path):
+                    os.mkdir(path)
+                os.mkdir(self.path)
+                os.mkdir(self.join("data"))
+            else:
+                raise repo.RepoError(_("repository %s not found") % path)
+        elif create:
+            raise repo.RepoError(_("repository %s already exists") % path)
 
         self.root = os.path.abspath(path)
         self.origroot = path
@@ -75,12 +83,6 @@ class localrepository(repo.repository):
         self.decodepats = None
         self.transhandle = None
 
-        if create:
-            if not os.path.exists(path):
-                os.mkdir(path)
-            os.mkdir(self.path)
-            os.mkdir(self.join("data"))
-
         self.dirstate = dirstate.dirstate(self.opener, self.ui, self.root)
 
     def url(self):
diff --git a/mercurial/sshrepo.py b/mercurial/sshrepo.py
--- a/mercurial/sshrepo.py
+++ b/mercurial/sshrepo.py
@@ -34,9 +34,10 @@ class sshrepository(remoterepository):
         if create:
             try:
                 self.validate_repo(ui, sshcmd, args, remotecmd)
-                return # the repo is good, nothing more to do
             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)
@@ -52,6 +53,9 @@ class sshrepository(remoterepository):
         return self._url
 
     def validate_repo(self, ui, sshcmd, args, remotecmd):
+        # cleanup up previous run
+        self.cleanup()
+
         cmd = '%s %s "%s -R %s serve --stdio"'
         cmd = cmd % (sshcmd, args, remotecmd, self.path)
 
@@ -90,7 +94,7 @@ class sshrepository(remoterepository):
             if not l: break
             self.ui.status(_("remote: "), l)
 
-    def __del__(self):
+    def cleanup(self):
         try:
             self.pipeo.close()
             self.pipei.close()
@@ -101,6 +105,8 @@ class sshrepository(remoterepository):
         except:
             pass
 
+    __del__ = cleanup
+
     def do_cmd(self, cmd, **args):
         self.ui.debug(_("sending %s command\n") % cmd)
         self.pipeo.write("%s\n" % cmd)
diff --git a/mercurial/ui.py b/mercurial/ui.py
--- a/mercurial/ui.py
+++ b/mercurial/ui.py
@@ -54,7 +54,7 @@ class ui(object):
     def updateopts(self, verbose=False, debug=False, quiet=False,
                    interactive=True, traceback=False, config=[]):
         self.quiet = (self.quiet or quiet) and not verbose and not debug
-        self.verbose = (self.verbose or verbose) or debug
+        self.verbose = ((self.verbose or verbose) or debug) and not self.quiet
         self.debugflag = (self.debugflag or debug)
         self.interactive = (self.interactive and interactive)
         self.traceback = self.traceback or traceback
diff --git a/templates/map-gitweb b/templates/map-gitweb
--- a/templates/map-gitweb
+++ b/templates/map-gitweb
@@ -8,7 +8,7 @@ error = error-gitweb.tmpl
 naventry = '<a href="?cmd=changelog;rev=#rev#;style=gitweb">#label|escape#</a> '
 navshortentry = '<a href="?cmd=shortlog;rev=#rev#;style=gitweb">#label|escape#</a> '
 filedifflink = '<a href="?cmd=filediff;node=#node#;file=#file|urlescape#;style=gitweb">#file|escape#</a> '
-filenodelink = '<tr class="light"><td><a class="list" href="">#file|escape#</a></td><td></td><td class="link"><a href="?cmd=file;filenode=#filenode#;file=#file|urlescape#;style=gitweb">file</a> | <!-- FIXME: <a href="?fd=#filenode|short#;file=#file|urlescape#;style=gitweb">diff</a> | --> <a href="?cmd=filelog;filenode=#filenode|short#;file=#file|urlescape#;style=gitweb">revisions</a></td></tr>'
+filenodelink = '<tr class="light"><td><a class="list" href="">#file|escape#</a></td><td></td><td class="link"><a href="?cmd=file;filenode=#filenode#;file=#file|urlescape#;style=gitweb">file</a> | <a href="?fa=#filenode|short#;file=#file|urlescape#;style=gitweb">annotate</a> | <!-- FIXME: <a href="?fd=#filenode|short#;file=#file|urlescape#;style=gitweb">diff</a> | --> <a href="?cmd=filelog;filenode=#filenode|short#;file=#file|urlescape#;style=gitweb">revisions</a></td></tr>'
 fileellipses = '...'
 changelogentry = changelogentry-gitweb.tmpl
 searchentry = changelogentry-gitweb.tmpl
@@ -46,5 +46,5 @@ filediffchild = '<tr><th class="child">c
 filelogchild = '<tr><td align="right">child #rev#:&nbsp;</td><td><a href="?cmd=file;file=#file|urlescape#;filenode=#node#;style=gitweb">#node|short#</a></td></tr>'
 shortlog = shortlog-gitweb.tmpl
 shortlogentry = '<tr class="parity#parity#"><td class="age"><i>#date|age# ago</i></td><td><i>#author#</i></td><td><a class="list" href="?cmd=changeset;node=#node|short#;style=gitweb"><b>#desc|strip|firstline|escape#</b></a></td><td class="link"><a href="?cmd=changeset;node=#node|short#;style=gitweb">changeset</a> |  <a href="?cmd=manifest;manifest=#manifest|short#;path=/;style=gitweb">manifest</a></td></tr>'
-filelogentry = '<tr class="parity#parity#"><td class="age"><i>#date|age# ago</i></td><td><a class="list" href="?cmd=changeset;node=#node|short#;style=gitweb"><b>#desc|strip|firstline|escape#</b></a></td><td class="link"><!-- FIXME: <a href="?fd=#node|short#;file=#file|urlescape#;style=gitweb">diff</a> | --> <a href="?fa=#filenode|short#;file=#file|urlescape#;style=gitweb">annotate</a> #rename%filelogrename#</td></tr>'
+filelogentry = '<tr class="parity#parity#"><td class="age"><i>#date|age# ago</i></td><td><a class="list" href="?cmd=changeset;node=#node|short#;style=gitweb"><b>#desc|strip|firstline|escape#</b></a></td><td class="link"><a href="?f=#node|short#;file=#file|urlescape#;style=gitweb">file</a> | <!-- FIXME: <a href="?fd=#node|short#;file=#file|urlescape#;style=gitweb">diff</a> | --> <a href="?fa=#filenode|short#;file=#file|urlescape#;style=gitweb">annotate</a> #rename%filelogrename#</td></tr>'
 archiveentry = ' | <a href="?ca=#node|short#;type=#type|urlescape#">#type|escape#</a> '
diff --git a/tests/test-init b/tests/test-init
--- a/tests/test-init
+++ b/tests/test-init
@@ -27,6 +27,9 @@ hg init local
 echo this > local/foo
 hg ci --cwd local -A -m "init" -d "1000000 0"
 
+echo "#test failure"
+hg init local
+
 echo "# init+push to remote2"
 hg init -e ./dummyssh ssh://user@dummy/remote2
 hg incoming -R remote2 local
@@ -35,6 +38,12 @@ hg push -R local -e ./dummyssh ssh://use
 echo "# clone to remote1"
 hg clone -e ./dummyssh local ssh://user@dummy/remote1
 
+echo "# init to existing repo"
+hg init -e ./dummyssh ssh://user@dummy/remote1
+
+echo "# clone to existing repo"
+hg clone -e ./dummyssh local ssh://user@dummy/remote1
+
 echo "# output of dummyssh"
 cat dummylog
 
diff --git a/tests/test-init.out b/tests/test-init.out
--- a/tests/test-init.out
+++ b/tests/test-init.out
@@ -1,6 +1,9 @@
 # creating 'local'
 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
@@ -14,20 +17,25 @@ 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: abort: repository remote1 not found!
 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!
+# clone to existing repo
+abort: repository ssh://user@dummy/remote1 already exists!
 # 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 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:
 # comparing repositories
 0:c4e059d443be