Add tag script

tag.sh

+#!/bin/bash
+
+if [ -z "$1" ]; then
+    echo usage: $0 TAG
+    exit 1
+fi
+
+F="pkg/version/base.go staging/src/k8s.io/client-go/pkg/version/base.go"
+for i in $F; do
+cat > $i << EOF
+package version
+
+var (
+	gitMajor = "1"
+	gitMinor = "12"
+	gitVersion   = "$1"
+	gitCommit    = "$(git rev-parse HEAD)"
+	gitTreeState = "clean" 
+	buildDate = "$(date -u -Iminutes)Z"
+)
+EOF
+done
+
+git add $F
+git commit -m $1
+git tag $1