bump to v1.2, support alpine, POSIX-compliant postinstall script

README.md

@@ -23,6 +23,9 @@ Right now there are no configurable options however this could be easily
 added by passing JSON options to `minify.js` and adding a bit of code
 on the crystal side. Pull requests welcome!
 
+Currently supports linux, macos, and alpine. Could easily support FreeBSD
+and Windows with a several line change.
+
 ## Installation
 
 Just add the following to yoour `shard.yml`:

package.sh

@@ -2,4 +2,4 @@
 cd js || exit 1
 npm install -g pkg || exit 1
 npm install --save terser || exit 1
-pkg minify.js --out-path ../dist --targets macos,linux
+pkg minify.js --out-path ../dist --targets macos,linux,alpine

postinstall.sh

@@ -1,10 +1,16 @@
-#!/bin/bash
+#!/bin/sh
 mkdir -p bin || exit 1
-if [[ "$OSTYPE" == "linux-gnu"* ]]; then
-  MINIFIER_BIN=linux
-elif [[ "$OSTYPE" == "darwin"* ]]; then
-  MINIFIER_BIN=macos
+case $OSTYPE in
+  "linux-gnu"*) MINIFIER_BIN=linux ;;
+  "darwin"*)    MINIFIER_BIN=macos ;;
+esac
+if [ -e /etc/os-release ]; then
+  . /etc/os-release
+  case $ID in
+    "alpine"*) MINIFIER_BIN=alpine ;;
+    *) MINIFIER_BIN=linux ;;
+  esac
 fi
 echo "$MINIFIER_BIN detected, downloading minifier binary..."
-curl -L --url https://github.com/sam0x17/es6-minifier/releases/download/minify-dist/minify-$MINIFIER_BIN --output bin/es6-minifier || exit 1
+curl -L --url https://github.com/sam0x17/es6-minifier/releases/download/0.1.2/minify-$MINIFIER_BIN --output bin/es6-minifier || exit 1
 chmod +x bin/es6-minifier || exit 1

shard.yml

@@ -1,5 +1,5 @@
 name: es6-minifier
-version: 0.1.0
+version: 0.1.2
 
 authors:
   - Sam Johnson <sam@durosoft.com>