Add an example script for use with Travis CI

examples/build-release

@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# Usage: ./build-release <PROJECT> ${TRAVIS_TAG}-${TRAVIS_OS_NAME}
+#
+# Called by `.travis.yml` to build release binaries.  We use
+# ekidd/rust-musl-builder to make the Linux binaries so that we can run
+# them unchanged on any distro, including tiny distros like Alpine (which
+# is heavily used for Docker containers).  Other platforms get regular
+# binaries, which will generally be dynamically linked against libc.
+#
+# If you have a platform which supports static linking of libc, and this
+# would be generally useful, please feel free to submit patches.
+
+set -euo pipefail
+
+rust-musl-builder() {
+    docker run --rm -it -v "$(pwd)":/home/rust/src ekidd/rust-musl-builder "$@"
+}
+
+case `uname -s` in
+    Linux)
+        echo "Building static binaries using ekidd/rust-musl-builder"
+        rust-musl-builder cargo build --release
+        zip -j "$1"-"$2".zip target/x86_64-unknown-linux-musl/release/"$1"
+        ;;
+    *)
+        echo "Building standard release binaries"
+        cargo build --release
+        zip -j "$1"-"$2".zip target/release/"$1"
+        ;;
+esac