Only run aggregate-results over actual counts

The current make target 'aggregate-results' scanned all files matching
test-results/t*-*.  Normally these are only the test counts (and the
exit values, which are ignored), but with --tee the suite also dumps
all output.  Furthermore, with --verbose t1450 contains several lines
starting with "broken link from ..." which matches the criteria used
by aggregate-results.sh.

Rename the counts output files to *.counts, and only scan those.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Acked-by: Sverre Rabbelier <srabbelier@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/Makefile

@@ -36,7 +36,7 @@ aggregate-results-and-cleanup: $(T)
 	$(MAKE) clean
 
 aggregate-results:
-	for f in test-results/t*-*; do \
+	for f in test-results/t*-*.counts; do \
 		echo "$$f"; \
 	done | '$(SHELL_PATH_SQ)' ./aggregate-results.sh
 

t/test-lib.sh

@@ -636,7 +636,7 @@ test_done () {
 	GIT_EXIT_OK=t
 	test_results_dir="$TEST_DIRECTORY/test-results"
 	mkdir -p "$test_results_dir"
-	test_results_path="$test_results_dir/${0%.sh}-$$"
+	test_results_path="$test_results_dir/${0%.sh}-$$.counts"
 
 	echo "total $test_count" >> $test_results_path
 	echo "success $test_success" >> $test_results_path