Add OsQuirks.kt

Author: mezpahlan

affectedmoduledetector/src/main/kotlin/com/dropbox/affectedmoduledetector/util/OsQuirks.kt

@@ -0,0 +1,25 @@
+package com.dropbox.affectedmoduledetector.util
+
+import java.io.File
+
+/**
+ * Returns an OS specific path respecting the separator character for the operating system.
+ *
+ * The Git client appears to only talk Unix-like paths however the Gradle client understands all
+ * OS path variations. This causes issues on systems other than those that use the "/" path
+ * character i.e. Windows. Therefore we need to normalise the path.
+ */
+fun String.toOsSpecificPath(): String {
+    return this.split("/").joinToString(File.separator)
+}
+
+/**
+ * Returns a String with an OS specific line endings for the operating system.
+ *
+ * The Git client appears to only talk Unix-like line endings ("\n") however the Gradle client
+ * understands all OS line ending variants. This causes issues on systems other than those that
+ * use Unix-like line endings i.e. Windows. Therefore we need to normalise the line endings.
+ */
+fun String.toOsSpecificLineEnding(): String {
+    return this.replace("\n", System.lineSeparator())
+}