Add .md support to the Apache License and Notice transformers (#1041)

Refs apache/maven-shade-plugin@ba0cc3c.

Author: Goooler

src/docs/changes/README.md

@@ -3,6 +3,10 @@
 
 ## [Unreleased]
 
+**Added**
+
+- Add .md support to the Apache License and Notice transformers. ([#1041](https://github.com/GradleUp/shadow/pull/1041))
+
 **Changed**
 
 - **BREAKING CHANGE:** Rewrite this plugin in Kotlin. ([#1012](https://github.com/GradleUp/shadow/pull/1012))

src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/ApacheLicenseResourceTransformer.kt

@@ -13,11 +13,13 @@ public open class ApacheLicenseResourceTransformer : Transformer by NoOpTransfor
   override fun canTransformResource(element: FileTreeElement): Boolean {
     val path = element.relativePath.pathString
     return LICENSE_PATH.equals(path, ignoreCase = true) ||
-      LICENSE_TXT_PATH.regionMatches(0, path, 0, LICENSE_TXT_PATH.length, ignoreCase = true)
+      LICENSE_TXT_PATH.regionMatches(0, path, 0, LICENSE_TXT_PATH.length, ignoreCase = true) ||
+      LICENSE_MD_PATH.regionMatches(0, path, 0, LICENSE_MD_PATH.length, ignoreCase = true)
   }
 
   private companion object {
     private const val LICENSE_PATH = "META-INF/LICENSE"
     private const val LICENSE_TXT_PATH = "META-INF/LICENSE.txt"
+    private const val LICENSE_MD_PATH = "META-INF/LICENSE.md"
   }
 }

src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/transformers/ApacheNoticeResourceTransformer.kt

@@ -67,7 +67,9 @@ public open class ApacheNoticeResourceTransformer : Transformer {
 
   override fun canTransformResource(element: FileTreeElement): Boolean {
     val path = element.relativePath.pathString
-    return NOTICE_PATH.equals(path, ignoreCase = true) || NOTICE_TXT_PATH.equals(path, ignoreCase = true)
+    return NOTICE_PATH.equals(path, ignoreCase = true) ||
+      NOTICE_TXT_PATH.equals(path, ignoreCase = true) ||
+      NOTICE_MD_PATH.equals(path, ignoreCase = true)
   }
 
   override fun transform(context: TransformerContext) {
@@ -174,5 +176,6 @@ public open class ApacheNoticeResourceTransformer : Transformer {
   private companion object {
     private const val NOTICE_PATH = "META-INF/NOTICE"
     private const val NOTICE_TXT_PATH = "META-INF/NOTICE.txt"
+    private const val NOTICE_MD_PATH = "META-INF/NOTICE.md"
   }
 }

src/test/groovy/com/github/jengelman/gradle/plugins/shadow/transformers/ApacheLicenseResourceTransformerTest.groovy

@@ -52,6 +52,8 @@ class ApacheLicenseResourceTransformerTest extends TransformerTestSupport<Apache
         assertTrue(transformer.canTransformResource(getFileElement("META-INF/LICENSE")))
         assertTrue(transformer.canTransformResource(getFileElement("META-INF/LICENSE.TXT")))
         assertTrue(transformer.canTransformResource(getFileElement("META-INF/License.txt")))
+        assertTrue(transformer.canTransformResource(getFileElement("META-INF/LICENSE.md")))
+        assertTrue(transformer.canTransformResource(getFileElement("META-INF/License.md")))
         assertFalse(transformer.canTransformResource(getFileElement("META-INF/MANIFEST.MF")))
     }
 

src/test/groovy/com/github/jengelman/gradle/plugins/shadow/transformers/ApacheNoticeResourceTransformerParameterTests.groovy

@@ -42,6 +42,15 @@ class ApacheNoticeResourceTransformerParameterTests extends TransformerTestSuppo
         stats = new ShadowStats()
     }
 
+    @Test
+    void testCanTransformResource() {
+      assertTrue(transformer.canTransformResource(getFileElement("META-INF/NOTICE")))
+      assertTrue(transformer.canTransformResource(getFileElement("META-INF/NOTICE.TXT")))
+      assertTrue(transformer.canTransformResource(getFileElement("META-INF/Notice.txt")))
+      assertTrue(transformer.canTransformResource(getFileElement("META-INF/NOTICE.md")))
+      assertTrue(transformer.canTransformResource(getFileElement("META-INF/Notice.md")))
+    }
+
     @Test
     void testNoParametersShouldNotThrowNullPointerWhenNoInput() {
         processAndFailOnNullPointer("")