Merge branch 'jk/test-annoyances' into maint

Test fixes.

* jk/test-annoyances:
  t5551: make EXPENSIVE test cheaper
  t5541: move run_with_cmdline_limit to test-lib.sh
  t: pass GIT_TRACE through Apache
  t: redirect stderr GIT_TRACE to descriptor 4
  t: translate SIGINT to an exit

t/lib-httpd.sh

@@ -79,6 +79,7 @@ HTTPD_DOCUMENT_ROOT_PATH=$HTTPD_ROOT_PATH/www
 # hack to suppress apache PassEnv warnings
 GIT_VALGRIND=$GIT_VALGRIND; export GIT_VALGRIND
 GIT_VALGRIND_OPTIONS=$GIT_VALGRIND_OPTIONS; export GIT_VALGRIND_OPTIONS
+GIT_TRACE=$GIT_TRACE; export GIT_TRACE
 
 if ! test -x "$LIB_HTTPD_PATH"
 then

t/lib-httpd/apache.conf

@@ -70,6 +70,7 @@ PassEnv GIT_VALGRIND
 PassEnv GIT_VALGRIND_OPTIONS
 PassEnv GNUPGHOME
 PassEnv ASAN_OPTIONS
+PassEnv GIT_TRACE
 
 Alias /dumb/ www/
 Alias /auth/dumb/ www/auth/dumb/

t/t5541-http-push-smart.sh

@@ -324,12 +324,6 @@ test_expect_success 'push into half-auth-complete requires password' '
 	test_cmp expect actual
 '
 
-run_with_limited_cmdline () {
-	(ulimit -s 128 && "$@")
-}
-
-test_lazy_prereq CMDLINE_LIMIT 'run_with_limited_cmdline true'
-
 test_expect_success CMDLINE_LIMIT 'push 2000 tags over http' '
 	sha1=$(git rev-parse HEAD) &&
 	test_seq 2000 |

t/t5551-http-fetch-smart.sh

@@ -224,10 +224,10 @@ test_expect_success 'transfer.hiderefs works over smart-http' '
 	git -C hidden.git rev-parse --verify b
 '
 
-test_expect_success EXPENSIVE 'create 50,000 tags in the repo' '
+test_expect_success 'create 2,000 tags in the repo' '
 	(
 	cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
-	for i in `test_seq 50000`
+	for i in $(test_seq 2000)
 	do
 		echo "commit refs/heads/too-many-refs"
 		echo "mark :$i"
@@ -248,13 +248,22 @@ test_expect_success EXPENSIVE 'create 50,000 tags in the repo' '
 	)
 '
 
-test_expect_success EXPENSIVE 'clone the 50,000 tag repo to check OS command line overflow' '
-	git clone $HTTPD_URL/smart/repo.git too-many-refs &&
+test_expect_success CMDLINE_LIMIT \
+	'clone the 2,000 tag repo to check OS command line overflow' '
+	run_with_limited_cmdline git clone $HTTPD_URL/smart/repo.git too-many-refs &&
 	(
 		cd too-many-refs &&
-		test $(git for-each-ref refs/tags | wc -l) = 50000
+		git for-each-ref refs/tags >actual &&
+		test_line_count = 2000 actual
 	)
 '
 
+test_expect_success 'large fetch-pack requests can be split across POSTs' '
+	GIT_CURL_VERBOSE=1 git -c http.postbuffer=65536 \
+		clone --bare "$HTTPD_URL/smart/repo.git" split.git 2>err &&
+	grep "^> POST" err >posts &&
+	test_line_count = 2 posts
+'
+
 stop_httpd
 test_done

t/test-lib.sh

@@ -152,10 +152,7 @@ unset UNZIP
 
 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
 1|2|true)
-	echo "* warning: Some tests will not work if GIT_TRACE" \
-		"is set as to trace on STDERR ! *"
-	echo "* warning: Please set GIT_TRACE to something" \
-		"other than 1, 2 or true ! *"
+	GIT_TRACE=4
 	;;
 esac
 
@@ -299,6 +296,7 @@ die () {
 
 GIT_EXIT_OK=
 trap 'die' EXIT
+trap 'exit $?' INT
 
 # The user-facing functions are loaded from a separate file so that
 # test_perf subshells can have them too
@@ -1064,3 +1062,9 @@ test_lazy_prereq UNZIP '
 	"$GIT_UNZIP" -v
 	test $? -ne 127
 '
+
+run_with_limited_cmdline () {
+	(ulimit -s 128 && "$@")
+}
+
+test_lazy_prereq CMDLINE_LIMIT 'run_with_limited_cmdline true'