chore: fix style

Author: anatolystansler

src/main/kotlin/app/extractors/Heuristics.kt

@@ -235,18 +235,18 @@ object Heuristics
      * Returns a list of language commit stats extracted from the given file.
      */
     fun analyze(file: DiffFile) : List<CommitStats>? {
-        var buf = toBuf(file.new.content)
+        val buf = toBuf(file.new.content)
         var extractor: ExtractorInterface? = null
 
         // Look for an extractor by a file extension. If failed, then fallback
         // to generic content analysis.
-        val extractorFactory = HeuristicsMap.get(file.extension)
+        val extractorFactory = HeuristicsMap[file.extension]
         if (extractorFactory != null) {
             extractor = extractorFactory(buf)
-        }
-        else {
-            if (XMLRegex.containsMatchIn(buf))
+        } else {
+            if (XMLRegex.containsMatchIn(buf)) {
                 extractor = CommonExtractor(Lang.XML)
+            }
         }
 
         return extractor?.extract(listOf(file))
@@ -255,7 +255,7 @@ object Heuristics
     /**
      * Returns a portion of the file content not exceeding the limit.
      */
-    const val HEURISTICS_CONSIDER_BYTES = 50 * 1024
+    private const val HEURISTICS_CONSIDER_BYTES = 50 * 1024
     private fun toBuf(lines: List<String>) : String {
         var buf = ""
         for (line in lines) {

src/main/kotlin/app/hashers/CommitCrawler.kt

@@ -4,19 +4,15 @@
 package app.hashers
 
 import app.Logger
-//import app.hashers.VendorConventions
 import app.model.Author
 import app.model.Commit
 import app.model.DiffContent
 import app.model.DiffFile
 import app.model.DiffRange
 import app.model.Repo
 import app.utils.EmptyRepoException
-import app.utils.FileHelper
 import io.reactivex.Observable
 import java.io.BufferedReader
-import java.io.FileReader
-import java.io.File
 import java.io.InputStreamReader
 import org.apache.commons.codec.digest.DigestUtils
 import org.eclipse.jgit.api.Git