build: file encoding import into Eclipse

See https://github.com/gradle/gradle/issues/898

1 files changed, 28 insertions, 0 deletions

diff --git a/buildSrc/src/main/groovy/refinery-eclipse.gradle b/buildSrc/src/main/groovy/refinery-eclipse.gradle
new file mode 100644
index 00000000..ddd15fc2
--- /dev/null
+++ b/buildSrc/src/main/groovy/refinery-eclipse.gradle
@@ -0,0 +1,28 @@
+plugins {
+        id 'eclipse'
+}
+
+// Workaround from https://github.com/gradle/gradle/issues/898#issuecomment-885765821
+def eclipseResourceEncoding = tasks.register('eclipseResourceEncoding') {
+        ext.outputFile = file('.settings/org.eclipse.core.resources.prefs')
+    def compileTask = tasks.findByName('compileJava')
+    ext.encoding = provider({ compileTask?.options?.encoding }).orElse(providers.systemProperty('file.encoding'))
+
+    inputs.property("file.encoding", encoding)
+    outputs.file(outputFile).withPropertyName('outputFile')
+
+    doLast {
+        Properties eclipseEncodingProperties = new Properties(Collections.singletonMap('eclipse.preferences.version','1'))
+        eclipseEncodingProperties.put('encoding/<project>', encoding.get())
+        outputFile.withOutputStream {
+                eclipseEncodingProperties.store(it, 'generated by ' + name)
+        }
+        eclipseEncodingProperties.list(System.out)
+    }
+}
+
+tasks.named('eclipse') {
+        dependsOn(eclipseResourceEncoding)
+}
+
+eclipse.synchronizationTasks(eclipseResourceEncoding)