Add build-release script

.circleci/config.yml

@@ -189,9 +189,9 @@ jobs:
       - restore_cache:
           keys:
             - shuttermint-go-v8-{{ checksum "go.sum" }}
-      - run: make build
+      - run: env VERSION=${CIRCLE_TAG} ./build-release
       - run: go install github.com/tcnksm/[email protected]
-      - run: ghr ${CIRCLE_TAG} bin/shuttermint
+      - run: ghr ${CIRCLE_TAG} bin/
 
   mint-lint:
     executor: go

shuttermint/build-release

@@ -0,0 +1,16 @@
+#! /usr/bin/env bash
+set -euo pipefail
+
+: "${GO:=go}"
+
+if [[ -z "${VERSION}" ]]; then
+   VERSION=$(git describe --tags --always --abbrev=4 --dirty)
+fi
+
+
+arch=amd64
+for os in linux freebsd openbsd darwin; do
+    target=bin/shuttermint-${os}-${arch}-${VERSION}
+    echo "Building ${target}"
+    env GOARCH=${arch} GOOS=${os} ${GO} build -o ${target} -ldflags "-X github.com/brainbot-com/shutter/shuttermint/cmd/shversion.Version=${VERSION}" .
+done