impl support for @file:KotlinOpts

Author: holgerbrandl

src/main/kotlin/kscript/app/Kscript.kt

@@ -253,7 +253,13 @@ fun collectRuntimeOptions(scriptText: List<String>): String {
             filter { it.startsWith(koptsPrefix) }.
             map { it.replaceFirst(koptsPrefix, "").trim() }
 
-    //todo add support for @file:KotlinOpts here
+    //support for @file:KotlinOpts see #47
+    val annotatonPrefix = "@file:KotlinOpts("
+    kotlinOpts += scriptText
+            .filter { it.startsWith(annotatonPrefix) }
+            .map { it.replaceFirst(annotatonPrefix, "").split(")")[0] }
+            .map { it.trim(' ', '"') }
+
 
     // Append $KSCRIPT_KOTLIN_OPTS if defined in the parent environment
     System.getenv()["KSCRIPT_KOTLIN_OPTS"]?.run {

src/test/kotlin/Tests.kt

@@ -56,6 +56,16 @@ class Tests {
         collectRuntimeOptions(lines) shouldBe "-foo 3 'some file.txt' --bar"
     }
 
+    @Test
+    fun annotOptsCollect() {
+        val lines = listOf(
+                "//KOTLIN_OPTS -foo 3 'some file.txt'",
+                """@file:KotlinOpts("--bar")"""
+        )
+
+        collectRuntimeOptions(lines) shouldBe "-foo 3 'some file.txt' --bar"
+    }
+
 
     @Test
     fun foo() {