debugcommands: use temporary dict for its command table

Instead, load the table by commands.py so the debug commands should always
be populated. The table in debugcommands.py is unnamed so extension authors
wouldn't be confused to wrap debugcommands.table in place of commands.table.

hgext/largefiles/uisetup.py

@@ -21,7 +21,6 b' from mercurial import ('
     cmdutil,
     commands,
     copies,
-    debugcommands,
     exchange,
     extensions,
     filemerge,
@@ -40,11 +39,6 b' from . import ('
 )
 
 def uisetup(ui):
-    # TODO: debugcommands should use a separate command table
-    # Side-effect of accessing is debugcommands module is guaranteed to be
-    # imported and commands.table is populated.
-    debugcommands.command
-
     # Disable auto-status for some commands which assume that all
     # files in the result are under Mercurial's control
 

mercurial/commands.py

@@ -26,6 +26,7 b' from . import ('
     changegroup,
     cmdutil,
     copies,
+    debugcommands as debugcommandsmod,
     destutil,
     dirstateguard,
     discovery,
@@ -59,6 +60,7 b' from . import ('
 release = lockmod.release
 
 table = {}
+table.update(debugcommandsmod.command._table)
 
 command = registrar.command(table)
 

mercurial/debugcommands.py

@@ -32,7 +32,6 b' from . import ('
     changegroup,
     cmdutil,
     color,
-    commands,
     context,
     dagparser,
     dagutil,
@@ -71,9 +70,7 b' from . import ('
 
 release = lockmod.release
 
-# We reuse the command table from commands because it is easier than
-# teaching dispatch about multiple tables.
-command = registrar.command(commands.table)
+command = registrar.command()
 
 @command('debugancestor', [], _('[INDEX] REV1 REV2'), optionalrepo=True)
 def debugancestor(ui, repo, *args):

mercurial/dispatch.py

@@ -25,7 +25,6 b' from . import ('
     cmdutil,
     color,
     commands,
-    debugcommands,
     demandimport,
     encoding,
     error,
@@ -750,10 +749,6 b' def _dispatch(req):'
     rpath = _earlygetopt(["-R", "--repository", "--repo"], args)
     path, lui = _getlocal(ui, rpath)
 
-    # Side-effect of accessing is debugcommands module is guaranteed to be
-    # imported and commands.table is populated.
-    debugcommands.command
-
     uis = {ui, lui}
 
     if req.repo: