Update to latest Hugo. (#5058)

Makefile

@@ -57,10 +57,12 @@ TARGET_OUT ?= $(HOME)/istio_out/$(REPO_NAME)
 ifeq ($(BUILD_WITH_CONTAINER),1)
 CONTAINER_CLI ?= docker
 DOCKER_SOCKET_MOUNT ?= -v /var/run/docker.sock:/var/run/docker.sock
-IMG ?= gcr.io/istio-testing/build-tools:2019-09-23T12-48-14
+IMG ?= gcr.io/istio-testing/build-tools:2019-09-25T19-39-04
 UID = $(shell id -u)
 PWD = $(shell pwd)
 
+$(info Building with the build container: $(IMG).)
+
 # Determine the timezone across various platforms to pass into the
 # docker run operation. This operation assumes zoneinfo is within
 # the path of the file.
@@ -79,6 +81,7 @@ RUN = $(CONTAINER_CLI) run -t -i --sig-proxy=true -u $(UID) --rm \
 	--mount type=volume,source=home,destination="/home" \
 	-w /work $(IMG)
 else
+$(info Building with your local toolchain.)
 RUN =
 endif
 

common/.commonfiles.sha

@@ -1 +1 @@
-b911e0db0ccb611ae4fd361d295af2ef5f8089d7
+43fd6b490e127211ff84244490071e6872da2847

common/scripts/gobuild.sh

@@ -70,6 +70,14 @@ while read -r line; do
     LD_EXTRAFLAGS="${LD_EXTRAFLAGS} -X ${line}"
 done < "${BUILDINFO}"
 
+# verify go version before build
+# NB. this was copied verbatim from Kubernetes hack
+minimum_go_version=go1.13 # supported patterns: go1.x, go1.x.x (x should be a number)
+IFS=" " read -ra go_version <<< "$(${GOBINARY} version)"
+if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) && "${go_version[2]}" != "devel" ]]; then
+    echo "Warning: Detected that you are using an older version of the Go compiler. Istio requires ${minimum_go_version} or greater."
+fi
+
 time GOOS=${BUILD_GOOS} GOARCH=${BUILD_GOARCH} ${GOBINARY} build \
         ${V} "${GOBUILDFLAGS_ARRAY[@]}" ${GCFLAGS:+-gcflags "${GCFLAGS}"} \
         -o "${OUT}" \

netlify.toml

@@ -2,6 +2,6 @@
     publish = "public"
 
 [build.environment]
-    HUGO_VERSION = "0.55.5"
+    HUGO_VERSION = "0.58.2"
     NODE_VERSION = "12.8.0"
     BUILD_WITH_CONTAINER = "0"