[PATCH] tests: new syntax-check rule to prohibit use of `...` in

[Jim Meyering]

FYI, here's the new syntax-check rule:

>From e82602833d5c79f07198b61f2f42240b3edf2ba0 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Wed, 4 Apr 2012 12:34:22 +0200
Subject: [PATCH] tests: new syntax-check rule to prohibit use of `...` in
 tests/

* cfg.mk (sc_prohibit_test_backticks): New rule.  Exempt 3 files.
---
 cfg.mk |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cfg.mk b/cfg.mk
index ef7118a..c3ddb42 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -303,6 +303,12 @@ sc_prohibit_framework_failure:
        halt='use framework_failure_ instead'                           \
          $(_sc_search_regexp)

+# Prohibit the use of `...` in tests/.  Use $(...) instead.
+sc_prohibit_test_backticks:
+       @prohibit='`' in_vc_files='^tests/'                             \
+       halt='use $$(...), not `...` in tests/'                         \
+         $(_sc_search_regexp)
+
 # Exempt the contents of any usage function from the following.
 _continued_string_col_1 = \
 s/^usage .*?\n}//ms;/\\\n\w/ and print ("$$ARGV\n"),$$e=1;END{$$e||=0;exit $$e}
@@ -447,3 +453,6 @@ exclude_file_name_regexp--sc_prohibit_stat_st_blocks = \

 exclude_file_name_regexp--sc_prohibit_continued_string_alpha_in_column_1 = \
   ^src/(system\.h|od\.c|printf\.c)$$
+
+exclude_file_name_regexp--sc_prohibit_test_backticks = \
+  ^tests/(init\.sh|check\.mk|misc/stdbuf)$$
--
1.7.9.3