commit: pass 'editform' argument to 'cmdutil.getcommiteditor'

This patch passes 'editform' argument according to the format below:

  COMMAND[.ROUTE]

  - ROUTE: name of route, if there are two or more routes in COMMAND

In this patch, 'normal' and 'amend' are used as ROUTE.

mercurial/cmdutil.py

@@ -2106,9 +2106,10 b' def amend(ui, repo, commitfunc, old, ext'
 
                 user = opts.get('user') or old.user()
                 date = opts.get('date') or old.date()
-            editor = getcommiteditor(**opts)
+            editform = 'commit.amend'
+            editor = getcommiteditor(editform=editform, **opts)
             if not message:
-                editor = getcommiteditor(edit=True)
+                editor = getcommiteditor(edit=True, editform=editform)
                 message = old.description()
 
             pureextra = extra.copy()

mercurial/commands.py

@@ -1449,9 +1449,11 b' def commit(ui, repo, *pats, **opts):'
                     repo.baseui.setconfig('phases', 'new-commit', 'secret',
                                           'commit')
 
+                editform = 'commit.normal'
+                editor = cmdutil.getcommiteditor(editform=editform, **opts)
                 return repo.commit(message, opts.get('user'), opts.get('date'),
                                    match,
-                                   editor=cmdutil.getcommiteditor(**opts),
+                                   editor=editor,
                                    extra=extra)
             finally:
                 ui.setconfig('phases', 'new-commit', oldcommitphase, 'commit')