Add publish releases

Author: tjamet

.gitignore

@@ -1,2 +1,2 @@
 kubectl-switch
-kubectl/test-home
+kubectl/test-home./release

.travis.yml

@@ -2,4 +2,15 @@ language: go
 go:
 - "1.10"
 - "1.11"
-install: true # bypass vendoring, we are using dep
+install: true # bypass vendoring, we are using vendoring
+before_deploy: bash -e ./release.sh
+deploy:
+  provider: releases
+  api_key:
+    secure: "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"
+  file_glob: true
+  file: ./release/*
+  skip_cleanup: true
+  on:
+    tags: true
+    go: '1.11'

release.sh

@@ -0,0 +1,15 @@
+#!/bin/bash -e
+
+mkdir -p release
+for os in linux darwin; do
+    for arch in amd64 386; do
+        echo "building for ${os} ${arch}"
+        CGO_ENABLED=0 GOARCH=${arch} GOOS=${os} go build -o release/kubectl-switch-${os}-${arch} .
+    done
+    cp release/kubectl-switch-${os}-amd64 release/kubectl-switch-${os}-x86_64
+done
+
+for f in $(ls ./release/); do
+    shasum -a 1 ./release/${f} | awk '{print $1}' > ./release/${f}.sha1sum
+    shasum -a 256 ./release/${f} | awk '{print $1}' > ./release/${f}.sha256sum
+done