debugextensions: process extensions loaded from the local repository too

mercurial/debugcommands.py

@@ -837,8 +837,8 b' def debugdownload(ui, repo, url, output='
         if output:
             dest.close()
 
-@command('debugextensions', cmdutil.formatteropts, [], norepo=True)
-def debugextensions(ui, **opts):
+@command('debugextensions', cmdutil.formatteropts, [], optionalrepo=True)
+def debugextensions(ui, repo, **opts):
     '''show information about active extensions'''
     opts = pycompat.byteskwargs(opts)
     exts = extensions.extensions(ui)

tests/test-extension.t

@@ -1517,6 +1517,14 b' Commands handling multiple repositories '
   reposetup() for $TESTTMP/reposetup-test/src
   reposetup() for $TESTTMP/reposetup-test/src (chg !)
 
+  $ hg --cwd src debugextensions
+  reposetup() for $TESTTMP/reposetup-test/src
+  dodo (untested!)
+  dudu (untested!)
+  mq
+  reposetuptest (untested!)
+  strip
+
   $ hg clone -U src clone-dst1
   reposetup() for $TESTTMP/reposetup-test/src
   $ hg init push-dst1