diff options
Diffstat (limited to 'top/maint.mk')
| -rw-r--r-- | top/maint.mk | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/top/maint.mk b/top/maint.mk index 9ca2bd3b32..868e10f004 100644 --- a/top/maint.mk +++ b/top/maint.mk @@ -962,8 +962,13 @@ perl_filename_lineno_text_ = \ -e ' print "$$ARGV:$$n:$$v\n";' \ -e ' }' +prohibit_doubled_words_ = \ + the then in an on if is it but for or at and do to +# expand the regex before running the check to avoid using expensive captures +prohibit_doubled_word_expanded_ = \ + $(join $(prohibit_doubled_words_),$(addprefix \s+,$(prohibit_doubled_words_))) prohibit_doubled_word_RE_ ?= \ - /\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b/gims + /\b(?:$(subst $(_sp),|,$(prohibit_doubled_word_expanded_)))\b/gims prohibit_doubled_word_ = \ -e 'while ($(prohibit_doubled_word_RE_))' \ $(perl_filename_lineno_text_) |