Build tweaks

Wrap long lines.
Add GOFLAGS support to build and test.
Comments.

hack/build-go.sh

@@ -36,7 +36,12 @@ version_ldflags=$(kube::version_ldflags)
 
 if [[ $# == 0 ]]; then
   # Update $@ with the default list of targets to build.
-  set -- cmd/proxy cmd/apiserver cmd/controller-manager cmd/kubelet cmd/kubecfg plugin/cmd/scheduler
+  set -- \
+      cmd/proxy \
+      cmd/apiserver \
+      cmd/controller-manager \
+      cmd/kubelet cmd/kubecfg \
+      plugin/cmd/scheduler
 fi
 
 binaries=()
@@ -44,8 +49,10 @@ for arg; do
   binaries+=("${KUBE_GO_PACKAGE}/${arg}")
 done
 
-# Note that the flags to 'go build' are duplicated in the salt build setup for
-# our cluster deploy.  If we add more command line options to our standard build
-# we'll want to duplicate them there.  As we move to distributing pre- built
-# binaries we can eliminate this duplication.
-go install -ldflags "${version_ldflags}" "${binaries[@]}"
+# Note that the flags to 'go build' are duplicated in the salt build setup
+# (release/build-release.sh) for our cluster deploy.  If we add more command
+# line options to our standard build we'll want to duplicate them there.  As we
+# move to distributing pre- built binaries we can eliminate this duplication.
+go install ${GOFLAGS:-} \
+    -ldflags "${version_ldflags}" \
+    "${binaries[@]}"

hack/test-go.sh

@@ -30,13 +30,11 @@ find_test_dirs() {
   cd src/${KUBE_GO_PACKAGE}
   find . -not \( \
       \( \
-        -wholename './third_party' \
-        -wholename './Godeps' \
+        -wholename './output' \
         -o -wholename './release' \
         -o -wholename './target' \
         -o -wholename '*/third_party/*' \
         -o -wholename '*/Godeps/*' \
-        -o -wholename '*/output/*' \
       \) -prune \
     \) -name '*_test.go' -print0 | xargs -0n1 dirname | sort -u | xargs -n1 printf "${KUBE_GO_PACKAGE}/%s\n"
 }
@@ -93,8 +91,16 @@ if [[ -n "${iterations}" ]]; then
 fi
 
 if [[ -n "$1" ]]; then
-  go test -race ${KUBE_TIMEOUT} ${KUBE_COVER} -coverprofile=tmp.out "${KUBE_GO_PACKAGE}/$1" "${@:2}"
+  go test ${GOFLAGS} \
+      -race \
+      ${KUBE_TIMEOUT} \
+      ${KUBE_COVER} -coverprofile=tmp.out \
+      "${KUBE_GO_PACKAGE}/$1" "${@:2}"
   exit 0
 fi
 
-find_test_dirs | xargs go test -race -timeout 30s ${KUBE_COVER} "${@:2}"
+find_test_dirs | xargs go test ${GOFLAGS:-} \
+    -race \
+    -timeout 30s \
+    ${KUBE_COVER} \
+    "${@:2}"

release/build-release.sh

@@ -45,6 +45,7 @@ cp -r $KUBE_DIR/cluster/saltbase $MASTER_RELEASE_DIR/src/saltbase
 # on.
 version_ldflags=$(kube::version_ldflags)
 
+# Note: go_opt must stay in sync with the flags in hack/build-go.sh.
 cat << EOF > $MASTER_RELEASE_DIR/src/saltbase/pillar/common.sls
 instance_prefix: $INSTANCE_PREFIX-minion
 go_opt: -ldflags '${version_ldflags}'