diff-delta: set size out-parameter to 0 for NULL delta

diff --git a/t/lib-httpd.sh b/t/lib-httpd.sh
index 0dfb48c2f6df78348c216bd34693758c0d22365d..0d985758c6dd85e801404860ee82c5e93f1b51d9 100644 (file)
--- a/t/lib-httpd.sh
+++ b/t/lib-httpd.sh
@@ -14,7 +14,6 @@
 #
 #      test_expect_success ...
 #
-#      stop_httpd
 #      test_done
 #
 # Can be configured using the following variables.
@@ -42,15 +41,14 @@ then
        test_done
 fi
 
-test_tristate GIT_TEST_HTTPD
-if test "$GIT_TEST_HTTPD" = false
+if ! git env--helper --type=bool --default=true --exit-code GIT_TEST_HTTPD
 then
        skip_all="Network testing disabled (unset GIT_TEST_HTTPD to enable)"
        test_done
 fi
 
 if ! test_have_prereq NOT_ROOT; then
-       test_skip_or_die $GIT_TEST_HTTPD \
+       test_skip_or_die GIT_TEST_HTTPD \
                "Cannot run httpd tests as root"
 fi
 
@@ -96,7 +94,7 @@ GIT_TRACE=$GIT_TRACE; export GIT_TRACE
 
 if ! test -x "$LIB_HTTPD_PATH"
 then
-       test_skip_or_die $GIT_TEST_HTTPD "no web server found at '$LIB_HTTPD_PATH'"
+       test_skip_or_die GIT_TEST_HTTPD "no web server found at '$LIB_HTTPD_PATH'"
 fi
 
 HTTPD_VERSION=$($LIB_HTTPD_PATH -v | \
@@ -108,19 +106,19 @@ then
        then
                if ! test $HTTPD_VERSION -ge 2
                then
-                       test_skip_or_die $GIT_TEST_HTTPD \
+                       test_skip_or_die GIT_TEST_HTTPD \
                                "at least Apache version 2 is required"
                fi
                if ! test -d "$DEFAULT_HTTPD_MODULE_PATH"
                then
-                       test_skip_or_die $GIT_TEST_HTTPD \
+                       test_skip_or_die GIT_TEST_HTTPD \
                                "Apache module directory not found"
                fi
 
                LIB_HTTPD_MODULE_PATH="$DEFAULT_HTTPD_MODULE_PATH"
        fi
 else
-       test_skip_or_die $GIT_TEST_HTTPD \
+       test_skip_or_die GIT_TEST_HTTPD \
                "Could not identify web server at '$LIB_HTTPD_PATH'"
 fi
 
@@ -176,7 +174,7 @@ prepare_httpd() {
 start_httpd() {
        prepare_httpd >&3 2>&4
 
-       trap 'code=$?; stop_httpd; (exit $code); die' EXIT
+       test_atexit stop_httpd
 
        "$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
                -f "$TEST_PATH/apache.conf" $HTTPD_PARA \
@@ -184,15 +182,12 @@ start_httpd() {
                >&3 2>&4
        if test $? -ne 0
        then
-               trap 'die' EXIT
                cat "$HTTPD_ROOT_PATH"/error.log >&4 2>/dev/null
-               test_skip_or_die $GIT_TEST_HTTPD "web server setup failed"
+               test_skip_or_die GIT_TEST_HTTPD "web server setup failed"
        fi
 }
 
 stop_httpd() {
-       trap 'die' EXIT
-
        "$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
                -f "$TEST_PATH/apache.conf" $HTTPD_PARA -k stop
 }