--- a/hgext/extdiff.py Sat Oct 14 00:30:14 2017 +0200
+++ b/hgext/extdiff.py Sat Oct 14 00:33:57 2017 +0200
@@ -84,6 +84,15 @@
cmdtable = {}
command = registrar.command(cmdtable)
+
+configtable = {}
+configitem = registrar.configitem(configtable)
+
+configitem('extdiff', r'opts\..*',
+ default='',
+ generic=True,
+)
+
# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
# be specifying the version(s) of Mercurial they are tested with, or
@@ -369,7 +378,7 @@
path = util.findexe(cmd)
if path is None:
path = filemerge.findexternaltool(ui, cmd) or cmd
- diffopts = ui.config('extdiff', 'opts.' + cmd, '')
+ diffopts = ui.config('extdiff', 'opts.' + cmd)
cmdline = util.shellquote(path)
if diffopts:
cmdline += ' ' + diffopts