Merge pull request #8 from ethereum/sort

Sort using semver

Author: chriseth

.gitignore

@@ -0,0 +1,27 @@
+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
+node_modules

.travis.yml

@@ -0,0 +1,2 @@
+language: node_js
+script: npm run lint && npm run test

package.json

@@ -0,0 +1,31 @@
+{
+  "private": true,
+  "name": "solc-bin",
+  "version": "0.0.0",
+  "description": "Current and historical (emscripten) binaries for Solidity",
+  "dependencies": {
+    "semver": "^5.3.0"
+  },
+  "devDependencies": {
+    "standard": "^8.4.0"
+  },
+  "scripts": {
+    "lint": "standard update",
+    "update": "./update",
+    "test": "git checkout -f && npm run update && git diff"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ethereum/solc-bin.git"
+  },
+  "keywords": [
+    "ethereum",
+    "solidity"
+  ],
+  "author": "",
+  "license": "GPL-3.0",
+  "bugs": {
+    "url": "https://github.com/ethereum/solc-bin/issues"
+  },
+  "homepage": "https://github.com/ethereum/solc-bin#readme"
+}

update

@@ -4,6 +4,7 @@
 
 const fs = require('fs')
 const path = require('path')
+const semver = require('semver')
 
 // This script updates the index files list.js and list.txt in the bin directory,
 // as well as the soljson-latest.js files.
@@ -13,10 +14,26 @@ fs.readdir(path.join(__dirname, '/bin'), function (err, files) {
     throw err
   }
 
+  function buildVersion (build) {
+    var version = build.version
+    if (build.prerelease && build.prerelease.length > 0) {
+      version += '-' + build.prerelease
+    }
+    if (build.build && build.build.length > 0) {
+      version += '+' + build.build
+    }
+    return version
+  }
+
+  // ascending list (oldest version first)
   const parsedList = files
     .map(function (file) { return file.match(/^soljson-v([0-9.]*)(-([^+]*))?(\+(.*))?.js$/) })
     .filter(function (version) { return version })
     .map(function (pars) { return { path: pars[0], version: pars[1], prerelease: pars[3], build: pars[5] } })
+    .sort(function (a, b) {
+      // NOTE: a vs. b (the order is important), because we want oldest first in the list
+      return semver.compare(buildVersion(a), buildVersion(b))
+    })
 
   // descending list
   const releases = parsedList