Done as a separate commit in case earlier cleanups are backported
independently.

* cfg.mk (sc_require_space_before_label): New rule.

Signed-off-by: Eric Blake <[email protected]>
---
 cfg.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cfg.mk b/cfg.mk
index 307009e..122cf58 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -910,6 +910,13 @@ sc_require_space_before_label:
        halt="Top-level labels should be indented by one space"        \
          $(_sc_search_regexp)

+# Doesn't catch all cases of mismatched braces across if-else, but it helps
+sc_require_if_else_matching_braces:
+       @prohibit='(  else( if .*\))? {|} else( if .*\))?$$)'           \
+       in_vc_files='\.[chx]$$'                                         \
+       halt="if one side of if-else uses {}, both sides must use it"   \
+         $(_sc_search_regexp)
+
 sc_curly_braces_style:
        @files=$$($(VC_LIST_EXCEPT) | grep '\.[ch]$$');                \
        $(GREP) -nHP                                                   \
-- 
1.9.3

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