[init][s]: skip directories and files that starts with '.' - refs dat…

…ahubio/datahub-v2-pm#141

lib/init.js

@@ -218,6 +218,12 @@ class Init extends EventEmitter {
    */
   scanAllDir(dir, done) {
     let results = []
+    // If the directory name starts with '.' don't scan it:
+    if (dir !== './' && path.basename(dir).startsWith('.')) {
+      this.emit('message', `Don't scan "${path.basename(dir)}" as it starts with '.' and it might be a system/hidden directory.`)
+      return done(null, results)
+    }
+    // Otherwise scan the dir:
     fs.readdir(dir, (err, list) => {
       if (err) return done(err)
       let pending = list.length
@@ -257,6 +263,9 @@ class Init extends EventEmitter {
         this.addDescriptionAndReadme(buffer.toString())
       }
       return
+    } else if (file.descriptor.name.startsWith('.')) {
+      this.emit('message', `Detected file that starts with '.' and it's not added to resources: "${file.descriptor.path}"`)
+      return
     }
     // By checking extension of file, guess if it's tabular. If so enerate schema:
     const knownTabularFormats = ['csv', 'tsv', 'dsv']

test/fixtures/readdir test/.sample-dir/sample.txt

@@ -0,0 +1 @@
+This file shouldn't be in the resources as it is inside "hidden" directory (starts with .).

test/fixtures/readdir test/.sample.txt

@@ -0,0 +1 @@
+This file shouldn't be in the resources as it is a "hidden" file (starts with .).