Go build: In verbose mode, also output commands in gobuild.sh (istio#…

…3451)

Automatic merge from submit-queue.

Go build: In verbose mode, also output commands in gobuild.sh

This is useful for debug purposes, in order to see the entire
`go build` command line being executed.

Makefile

@@ -70,7 +70,7 @@ endif
 # Output control
 #-----------------------------------------------------------------------------
 # Invoke make VERBOSE=1 to enable echoing of the command being executed
-VERBOSE ?= 0
+export VERBOSE ?= 0
 # Place the variable Q in front of a command to control echoing of the command being executed.
 Q = $(if $(filter 1,$VERBOSE),,@)
 # Use the variable H to add a header (equivalent to =>) to informational output

bin/gobuild.sh

@@ -15,6 +15,14 @@
 # limitations under the License.
 #
 # This script builds and link stamps the output
+
+VERBOSE=${VERBOSE:-"0"}
+V=""
+if [[ "${VERBOSE}" == "1" ]];then
+    V="-x"
+    set -x
+fi
+
 ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 
 OUT=${1:?"output path"}
@@ -23,12 +31,6 @@ BUILDPATH=${3:?"path to build"}
 
 set -e
 
-VERBOSE=${VERBOSE:-"0"}
-V=""
-if [[ "${VERBOSE}" == "1" ]];then
-    V="-x"
-fi
-
 GOOS=${GOOS:-linux}
 GOARCH=${GOARCH:-amd64}
 GOBINARY=${GOBINARY:-go}