Add script to package binaries

Makefile

@@ -40,11 +40,15 @@ build: assets
 	@echo "You can now execute ./pgweb"
 
 release: assets
-	gox \
+	@echo "Building binaries..."
+	@gox \
 		-osarch="$(TARGETS)" \
 		-ldflags "-X github.com/sosedoff/pgweb/pkg/command.GitCommit $(GIT_COMMIT) -X github.com/sosedoff/pgweb/pkg/command.BuildTime $(BUILD_TIME)" \
 		-output="./bin/pgweb_{{.OS}}_{{.Arch}}"
 
+	@echo "\nPackaging binaries...\n"
+	@./script/package.sh
+
 bootstrap:
 	gox -build-toolchain
 

script/package.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+DIR="./bin"
+rm $DIR/*.zip
+
+for file in $(ls $DIR)
+do
+  fin=$DIR/$file
+  fout=$DIR/$file.zip
+  shasum -a 256 $fin
+  zip -9 -q $fout $fin
+done