Add kubectl wrapper for convenience and safety

.zshrc

@@ -259,6 +259,7 @@ alias ag='ag --pager less'
 alias cdiff='colordiff -u'
 alias dotgit='git --work-tree $HOME --git-dir $HOME/.dot_git'
 alias hs='history -a; history -n'
+alias kubectl='kubectl-wrapper'
 alias lower="tr '[:upper:]' '[:lower:]'"
 alias pstree="pstree -Auh | less"
 alias tail='tail -n $LINES'

bin/kubectl-wrapper

@@ -0,0 +1,9 @@
+#!/bin/bash
+cfg=.kubeconfig
+
+path=$(pwd)
+while [[ "$path" != "" && ! -e "$path/$cfg" ]]; do
+  path=${path%/*}
+done
+
+exec env KUBECONFIG="$path/$cfg:$KUBECONFIG:$HOME/.kube/config" kubectl "$@"