Add -Q to modify.

This allows to quote as many most recent bug comments in your reply
as you need.

bugz/cli.py

@@ -17,6 +17,7 @@
 
 """
 
+import datetime
 import getpass
 import os
 import re
@@ -422,10 +423,6 @@ def modify(settings):
             hasattr(settings, 'reset_assigned_to'):
         raise BugzError('--assigned-to and --unassign cannot be used together')
 
-    if hasattr(settings, 'comment_editor'):
-        settings.comment = block_edit('Enter comment:',
-                           comment_from=settings.comment)
-
     params = {}
     params['ids'] = [settings.bugid]
     if hasattr(settings, 'alias'):
@@ -525,9 +522,38 @@ def modify(settings):
         params['status'] = 'RESOLVED'
         params['resolution'] = 'INVALID'
 
+    check_auth(settings)
+
+    if hasattr(settings, 'comment_editor'):
+        quotes=''
+        if hasattr(settings, 'quote'):
+            bug_comments = settings.call_bz(settings.bz.Bug.comments, params)
+            bug_comments = bug_comments['bugs']['%s' % settings.bugid]\
+                                       ['comments'][-settings.quote:]
+            wrapper = textwrap.TextWrapper(width=settings.columns,
+                                           break_long_words=False,
+                                           break_on_hyphens=False)
+            for comment in bug_comments:
+                what = comment['text']
+                if what is None:
+                    continue
+                who = comment['creator']
+                when = comment['time']
+                when = datetime.datetime.strptime(str(when), '%Y%m%dT%H:%M:%S')
+                quotes += 'On %s, %s wrote:\n' % \
+                          (when.strftime('%Y-%m-%d %H:%M:%S UTC'), who)
+                for line in what.splitlines():
+                    if len(line) < settings.columns:
+                        quotes += '> %s\n' % line
+                    else:
+                        for shortline in wrapper.wrap(line):
+                            quotes += '> %s\n' % shortline
+        settings.comment = block_edit('Enter comment:',
+                           comment_from=settings.comment,
+                           quotes=quotes)
+
     if len(params) < 2:
         raise BugzError('No changes were specified')
-    check_auth(settings)
     result = settings.call_bz(settings.bz.Bug.update, params)
     for bug in result['bugs']:
         changes = bug['changes']

bugz/cli_argparser.py

@@ -190,6 +190,9 @@ def make_arg_parser():
                                help='change the priority for this bug')
     modify_parser.add_argument('--product',
                                help='change the product for this bug')
+    modify_parser.add_argument('-Q', '--quote',
+                               action='count',
+                               help='quote most recent comment(s) with -C')
     modify_parser.add_argument('-r', '--resolution',
                                help='set new resolution '
                                '(if status = RESOLVED)')

bugz/utils.py

@@ -72,14 +72,16 @@ def terminal_width():
     return width
 
 
-def launch_editor(initial_text, comment_from='', comment_prefix='BUGZ:'):
+def launch_editor(initial_text, comment_from='', comment_prefix='BUGZ:',
+                  quotes=''):
     """Launch an editor with some default text.
 
     Lifted from Mercurial 0.9.
     @rtype: string
     """
     (fd, name) = tempfile.mkstemp("bugz")
     f = os.fdopen(fd, "w")
+    f.write(quotes)
     f.write(comment_from)
     f.write(initial_text)
     f.close()
@@ -98,7 +100,7 @@ def launch_editor(initial_text, comment_from='', comment_prefix='BUGZ:'):
     return ''
 
 
-def block_edit(comment, comment_from=''):
+def block_edit(comment, comment_from='', quotes=''):
     editor = (os.environ.get('BUGZ_EDITOR') or os.environ.get('EDITOR'))
 
     if not editor:
@@ -109,7 +111,8 @@ def block_edit(comment, comment_from=''):
     initial_text = '\n'.join(['BUGZ: %s' % line
                               for line in comment.splitlines()])
     new_text = launch_editor(BUGZ_COMMENT_TEMPLATE % initial_text,
-                             comment_from=comment_from)
+                             comment_from=comment_from,
+                             quotes=quotes)
 
     if new_text.strip():
         return new_text