# Copyright (c) 2008 Clemens Buchacher <drizzd@aon.at>
 #
 
-if test -z "$GIT_TEST_HTTPD"
+if test -n "$NO_CURL"
 then
-       skip_all="Network testing disabled (define GIT_TEST_HTTPD to enable)"
+       skip_all='skipping test, git built without http support'
        test_done
 fi
 
+if test -n "$NO_EXPAT" && test -n "$LIB_HTTPD_DAV"
+then
+       skip_all='skipping test, git built without expat support'
+       test_done
+fi
+
+test_tristate GIT_TEST_HTTPD
+if test "$GIT_TEST_HTTPD" = false
+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 \
+               "Cannot run httpd tests as root"
+fi
+
 HTTPD_PARA=""
 
 for DEFAULT_HTTPD_PATH in '/usr/sbin/httpd' '/usr/sbin/apache2'
 esac
 
 LIB_HTTPD_PATH=${LIB_HTTPD_PATH-"$DEFAULT_HTTPD_PATH"}
-LIB_HTTPD_PORT=${LIB_HTTPD_PORT-'8111'}
+LIB_HTTPD_PORT=${LIB_HTTPD_PORT-${this_test#t}}
 
 TEST_PATH="$TEST_DIRECTORY"/lib-httpd
 HTTPD_ROOT_PATH="$PWD"/httpd
 # 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 "$LIB_HTTPD_PATH"
 then
-       skip_all="skipping test, no web server found at '$LIB_HTTPD_PATH'"
-       test_done
+       test_skip_or_die $GIT_TEST_HTTPD "no web server found at '$LIB_HTTPD_PATH'"
 fi
 
-HTTPD_VERSION=`$LIB_HTTPD_PATH -v | \
-       sed -n 's/^Server version: Apache\/\([0-9]*\)\..*$/\1/p; q'`
+HTTPD_VERSION=$($LIB_HTTPD_PATH -v | \
+       sed -n 's/^Server version: Apache\/\([0-9]*\)\..*$/\1/p; q')
 
 if test -n "$HTTPD_VERSION"
 then
        then
                if ! test $HTTPD_VERSION -ge 2
                then
-                       skip_all="skipping test, at least Apache version 2 is required"
-                       test_done
+                       test_skip_or_die $GIT_TEST_HTTPD \
+                               "at least Apache version 2 is required"
                fi
                if ! test -d "$DEFAULT_HTTPD_MODULE_PATH"
                then
-                       skip_all="Apache module directory not found.  Skipping tests."
-                       test_done
+                       test_skip_or_die $GIT_TEST_HTTPD \
+                               "Apache module directory not found"
                fi
 
                LIB_HTTPD_MODULE_PATH="$DEFAULT_HTTPD_MODULE_PATH"
        fi
 else
-       error "Could not identify web server at '$LIB_HTTPD_PATH'"
+       test_skip_or_die $GIT_TEST_HTTPD \
+               "Could not identify web server at '$LIB_HTTPD_PATH'"
 fi
 
+install_script () {
+       write_script "$HTTPD_ROOT_PATH/$1" <"$TEST_PATH/$1"
+}
+
 prepare_httpd() {
        mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH"
        cp "$TEST_PATH"/passwd "$HTTPD_ROOT_PATH"
-       cp "$TEST_PATH"/broken-smart-http.sh "$HTTPD_ROOT_PATH"
+       install_script broken-smart-http.sh
+       install_script error.sh
 
        ln -s "$LIB_HTTPD_MODULE_PATH" "$HTTPD_ROOT_PATH/modules"
 
        HTTPD_DEST=127.0.0.1:$LIB_HTTPD_PORT
        HTTPD_URL=$HTTPD_PROTO://$HTTPD_DEST
        HTTPD_URL_USER=$HTTPD_PROTO://user%40host@$HTTPD_DEST
-       HTTPD_URL_USER_PASS=$HTTPD_PROTO://user%40host:user%40host@$HTTPD_DEST
+       HTTPD_URL_USER_PASS=$HTTPD_PROTO://user%40host:pass%40host@$HTTPD_DEST
 
-       if test -n "$LIB_HTTPD_DAV" -o -n "$LIB_HTTPD_SVN"
+       if test -n "$LIB_HTTPD_DAV" || test -n "$LIB_HTTPD_SVN"
        then
                HTTPD_PARA="$HTTPD_PARA -DDAV"
 
                >&3 2>&4
        if test $? -ne 0
        then
-               skip_all="skipping test, web server setup failed"
                trap 'die' EXIT
-               test_done
+               test_skip_or_die $GIT_TEST_HTTPD "web server setup failed"
        fi
 }
 
        test_expect_success 'setup askpass helper' '
                write_script "$TRASH_DIRECTORY/askpass" <<-\EOF &&
                echo >>"$TRASH_DIRECTORY/askpass-query" "askpass: $*" &&
-               cat "$TRASH_DIRECTORY/askpass-response"
+               case "$*" in
+               *Username*)
+                       what=user
+                       ;;
+               *Password*)
+                       what=pass
+                       ;;
+               esac &&
+               cat "$TRASH_DIRECTORY/askpass-$what"
                EOF
                GIT_ASKPASS="$TRASH_DIRECTORY/askpass" &&
                export GIT_ASKPASS &&
 
 set_askpass() {
        >"$TRASH_DIRECTORY/askpass-query" &&
-       echo "$*" >"$TRASH_DIRECTORY/askpass-response"
+       echo "$1" >"$TRASH_DIRECTORY/askpass-user" &&
+       echo "$2" >"$TRASH_DIRECTORY/askpass-pass"
 }
 
 expect_askpass() {