Add package script

type: distribution

bin/package

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+version=${1#"refs/tags/"}
+os=$2
+target=$3
+src=`pwd`
+dist=$src/dist
+bin=imdl
+
+echo "Packaging $bin $version for $target..."
+
+test -f Cargo.lock || cargo generate-lockfile
+
+echo "Building $bin..."
+
+case $os in
+  ubuntu-latest | macos-latest)
+    cargo rustc --bin $bin --target $target --release -- -C lto
+    executable=target/$target/release/$bin
+    ;;
+  windows-latest)
+    cargo rustc --bin $bin --target $target --release -- -C lto -C target-feature="+crt-static"
+    executable=target/$target/release/$bin.exe
+    ;;
+esac
+
+echo "Copying release files..."
+mkdir dist
+cp \
+  $executable \
+  Cargo.lock \
+  Cargo.toml \
+  LICENSE \
+  README.md \
+  $dist
+
+cd $dist
+echo "Creating release archive..."
+case $os in
+  ubuntu-latest | macos-latest)
+    archive=$dist/$bin-$version-$target.tar.gz
+    tar czf $archive *
+    echo "::set-output name=archive::$archive"
+    ;;
+  windows-latest)
+    archive=$dist/$bin-$version-$target.zip
+    7z a $archive *
+    echo "::set-output name=archive::`pwd -W`/$bin-$version-$target.zip"
+    ;;
+esac