Polish patchbomb script.

diffstat output is now a non-default option.

The hgrc file can now contain default information for the patchbomb
script.

Date generation is fixed.

contrib/patchbomb

@@ -12,8 +12,8 b''
 #
 #   The remainder of the changeset description.
 #
-#   If the diffstat program is installed, the result of running
-#   diffstat on the patch.
+#   [Optional] If the diffstat program is installed, the result of
+#   running diffstat on the patch.
 #
 #   The patch itself, as generated by "hg export".
 #
@@ -26,8 +26,8 b''
 # changes.
 #
 # It is best to run this script with the "-n" (test only) flag before
-# firing it up "for real", in which case it will display each of the
-# messages that it would send.
+# firing it up "for real", in which case it will use your pager to
+# display each of the messages that it would send.
 #
 # To configure a default mail host, add a section like this to your
 # hgrc file:
@@ -35,6 +35,14 b''
 # [smtp]
 # host = my_mail_host
 # port = 1025
+#
+# To configure other defaults, add a section like this to your hgrc
+# file:
+#
+# [patchbomb]
+# from = My Name <my@email>
+# to = recipient1, recipient2, ...
+# cc = cc1, cc2, ...
 
 from email.MIMEMultipart import MIMEMultipart
 from email.MIMEText import MIMEText
@@ -81,7 +89,7 b' def patchbomb(ui, repo, *revs, **opts):'
             if r: return r
             if default is not None: return default
             if empty_ok: return r
-            print >> sys.stderr, 'Please enter a valid value.'
+            ui.warn('Please enter a valid value.\n')
 
     def confirm(s):
         if not prompt(s, default = 'y', rest = '? ').lower().startswith('y'):
@@ -108,7 +116,9 b' def patchbomb(ui, repo, *revs, **opts):'
         if not node: raise ValueError
         body = ('\n'.join(desc[1:]).strip() or
                 'Patch subject is complete summary.')
-        body += '\n\n\n' + cdiffstat('\n'.join(desc), patch) + '\n\n'
+        body += '\n\n\n'
+        if opts['diffstat']:
+            body += cdiffstat('\n'.join(desc), patch) + '\n\n'
         body += '\n'.join(patch)
         msg = MIMEText(body)
         subj = '[PATCH %d of %d] %s' % (idx, total, desc[0].strip())
@@ -150,14 +160,18 b' def patchbomb(ui, repo, *revs, **opts):'
 
     ui.write('\nWrite the introductory message for the patch series.\n\n')
 
-    sender = opts['sender'] or prompt('From', ui.username())
+    sender = (opts['from'] or ui.config('patchbomb', 'from') or
+              prompt('From', ui.username()))
 
     msg = MIMEMultipart()
     msg['Subject'] = '[PATCH 0 of %d] %s' % (
         len(patches),
+        opts['subject'] or
         prompt('Subject:', rest = ' [PATCH 0 of %d] ' % len(patches)))
-    to = opts['to'] or [s.strip() for s in prompt('To').split(',')]
-    cc = opts['cc'] or [s.strip() for s in prompt('Cc', default = '').split(',')]
+    to = (opts['to'] or ui.config('patchbomb', 'to') or
+          [s.strip() for s in prompt('To').split(',')])
+    cc = (opts['cc'] or ui.config('patchbomb', 'cc') or
+          [s.strip() for s in prompt('Cc', default = '').split(',')])
 
     ui.write('Finish with ^D or a dot on a line by itself.\n\n')
 
@@ -194,7 +208,7 b' def patchbomb(ui, repo, *revs, **opts):'
             m['In-Reply-To'] = parent
         else:
             parent = m['Message-Id']
-        m['Date'] = time.strftime('%a, %m %b %Y %T ', time.localtime(start_time)) + tz
+        m['Date'] = time.strftime('%a, %e %b %Y %T ', time.localtime(start_time)) + tz
         start_time += 1
         m['From'] = sender
         m['To'] = ', '.join(to)
@@ -212,8 +226,10 b' def patchbomb(ui, repo, *revs, **opts):'
 
 if __name__ == '__main__':
     optspec = [('c', 'cc', [], 'email addresses of copy recipients'),
+               ('d', 'diffstat', None, 'add diffstat output to messages'),
+               ('f', 'from', '', 'email address of sender'),
                ('n', 'test', None, 'print messages that would be sent'),
-               ('s', 'sender', '', 'email address of sender'),
+               ('s', 'subject', '', 'subject of introductory message'),
                ('t', 'to', [], 'email addresses of recipients')]
     options = {}
     try: