Merge branch 'jl/test-lint-scripts'

* jl/test-lint-scripts:
  t/Makefile: always test all lint targets when running tests
  t/Makefile: check helper scripts for non-portable shell commands too

t/Makefile

@@ -13,7 +13,7 @@ TAR ?= $(TAR)
 RM ?= rm -f
 PROVE ?= prove
 DEFAULT_TEST_TARGET ?= test
-TEST_LINT ?= test-lint-duplicates test-lint-executable
+TEST_LINT ?= test-lint
 
 ifdef TEST_OUTPUT_DIRECTORY
 TEST_RESULTS_DIRECTORY = $(TEST_OUTPUT_DIRECTORY)/test-results
@@ -29,6 +29,7 @@ TEST_RESULTS_DIRECTORY_SQ = $(subst ','\'',$(TEST_RESULTS_DIRECTORY))
 T = $(sort $(wildcard t[0-9][0-9][0-9][0-9]-*.sh))
 TSVN = $(sort $(wildcard t91[0-9][0-9]-*.sh))
 TGITWEB = $(sort $(wildcard t95[0-9][0-9]-*.sh))
+THELPERS = $(sort $(filter-out $(T),$(wildcard *.sh)))
 
 all: $(DEFAULT_TEST_TARGET)
 
@@ -65,7 +66,7 @@ test-lint-executable:
 		echo >&2 "non-executable tests:" $$bad; exit 1; }
 
 test-lint-shell-syntax:
-	@'$(PERL_PATH_SQ)' check-non-portable-shell.pl $(T)
+	@'$(PERL_PATH_SQ)' check-non-portable-shell.pl $(T) $(THELPERS)
 
 aggregate-results-and-cleanup: $(T)
 	$(MAKE) aggregate-results