Support arrays in skipInterpolation

Closes #281
Use multimatch instead of match for this purpose.
The minimatch dependency has not been removed because it's still used in
lib/filter.js. Filters should directly use multimatch. Once this
happens, the dependency to minimatch can be removed.

lib/generate.js

@@ -3,7 +3,7 @@ var Handlebars = require('handlebars')
 var async = require('async')
 var render = require('consolidate').handlebars.render
 var path = require('path')
-var match = require('minimatch')
+var multimatch = require('multimatch')
 var getOptions = require('./options')
 var ask = require('./ask')
 var filter = require('./filter')
@@ -91,12 +91,17 @@ function filterFiles (filters) {
  */
 
 function renderTemplateFiles (skipInterpolation) {
+  skipInterpolation = typeof skipInterpolation === 'string'
+    ? [skipInterpolation]
+    : skipInterpolation
+  console.log(skipInterpolation)
   return function (files, metalsmith, done) {
     var keys = Object.keys(files)
     var metalsmithMetadata = metalsmith.metadata()
+    skipInterpolation
     async.each(keys, function (file, next) {
       // skipping files with skipInterpolation option
-      if (skipInterpolation && match(file, skipInterpolation, { dot: true })) {
+      if (skipInterpolation && multimatch([file], skipInterpolation, { dot: true }).length) {
         return next()
       }
       var str = files[file].contents.toString()

package.json

@@ -39,6 +39,7 @@
     "inquirer": "^0.12.0",
     "metalsmith": "^2.1.0",
     "minimatch": "^3.0.0",
+    "multimatch": "^2.1.0",
     "ora": "^0.2.1",
     "read-metadata": "^1.0.0",
     "request": "^2.67.0",