Fix up prezto.

dotfiles/zshrc.d/gcloud.zsh

@@ -0,0 +1,17 @@
+#!/bin/zsh
+
+GCL=${HOME}/tools/gcloud
+
+if [ ! -d ${GCL} ] ; then
+  return
+fi
+
+# Add bin to path
+export PATH="${PATH}:${GCL}/bin"
+
+# Load completion
+source ${GCL}/completion.zsh.inc
+
+which kubectl 2>/dev/null >&2 && \
+  source <(kubectl completion zsh) || \
+  true