Add release-binaries.bash

Context: cloudfoundry/wg-app-platform-runtime-ci#9

nits:
- Remove release.sh and build-all.sh since they are not used

Signed-off-by: Brandon Roberson <[email protected]>

Author: Amin Jamali

bin/build-all.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -eu
+set -o pipefail
+
+function run() {
+    local arch os output
+    arch="${1:?Please provide an architecture}"
+    os="${2:?Please provide an OS}"
+    version="${3:?Please provide a version}"
+    output="${4:?Please provide an output directory}"
+
+    local binary tarball
+    binary="rtr-${os}-${arch}"
+    tarball="${binary}.tgz"
+
+    GOARCH="${arch}" GOOS="${os}" \
+    go build \
+    -o "${output}/${binary}" \
+    -ldflags "-X main.version=${version}"
+
+    tar -czvf "${output}/${tarball}" -C "${output}" "${binary}"
+
+    rm "${output}/${binary}"
+}
+
+run "$@"