Add package.bash

.gitignore

@@ -3,3 +3,6 @@
 
 # temporary files created by the tests
 /tmp
+
+# binary releases
+/*.tar.gz

package.bash

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -eux
+
+tag=$(git describe --tags)
+cd gocryptfs_main
+go build
+tar czvf ../gocryptfs_$tag.tar.gz gocryptfs gocryptfs_main