Replaced hardcoded separator by OS dependant appropach

src/main/kotlin/app/extensions/StringExtensions.kt

@@ -11,7 +11,7 @@ val String.md5: String
 
 val String.dirName: String
     get() {
-        val parts = this.split("/")
+        val parts = this.split(systemSeparator)
 
         return if (parts.isNotEmpty())
             parts.last()
@@ -21,11 +21,11 @@ val String.dirName: String
 
 val String.dirPath: String
     get() {
-        val parts = this.split("/").toMutableList()
+        val parts = this.split(systemSeparator).toMutableList()
 
         return if (parts.count() > 1) {
             parts.removeLast()
-            parts.joinToString("/")
+            parts.joinToString(systemSeparator)
         } else
             this
     }

src/main/kotlin/app/extensions/SystemUtils.kt

@@ -0,0 +1,7 @@
+package app.extensions
+
+import java.nio.file.FileSystems
+
+val systemSeparator: String by lazy {
+    FileSystems.getDefault().separator
+}

src/main/kotlin/app/git/RawFileManager.kt

@@ -1,6 +1,7 @@
 package app.git
 
 import app.TempFilesManager
+import app.extensions.systemSeparator
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import org.eclipse.jgit.diff.ContentSource
@@ -74,13 +75,10 @@ class RawFileManager @AssistedInject constructor(
         entry: DiffEntry,
         side: DiffEntry.Side
     ): EntryContent.ImageBinary {
-        println("Data's size is ${ldr.size}")
-
         val tempDir = tempFilesManager.tempDir
 
-        val tempFile = createTempFile(tempDir, prefix = "${entry.newPath.replace("/", "_")}_${side.name}")
+        val tempFile = createTempFile(tempDir, prefix = "${entry.newPath.replace(systemSeparator, "_")}_${side.name}")
         tempFile.toFile().deleteOnExit()
-        println("Temp file generated: ${tempFile.absolutePathString()}")
 
         val out = FileOutputStream(tempFile.toFile())
         out.use {