Merge branch 'develop' into feature/xattr

src/main/java/org/cryptomator/frontend/fuse/OS.java

@@ -0,0 +1,32 @@
+package org.cryptomator.frontend.fuse;
+
+enum OS {
+	LINUX,
+	MAC,
+	WINDOWS,
+	UNKNOWN;
+
+	private static String osName() {
+		class Holder {
+			private static final String OS_NAME = System.getProperty("os.name", "").toLowerCase();
+		}
+		return Holder.OS_NAME;
+	}
+
+	public static OS current() {
+		var name = osName();
+		if (name.contains("linux")) {
+			return LINUX;
+		} else if (name.contains("mac")) {
+			return MAC;
+		} else if (name.contains("windows")) {
+			return WINDOWS;
+		} else {
+			return UNKNOWN;
+		}
+	}
+
+	public boolean isCurrent() {
+		return equals(OS.current());
+	}
+}

src/main/java/org/cryptomator/frontend/fuse/ReadWriteAdapter.java

@@ -201,7 +201,7 @@ public int chmod(String path, int mode, FileInfo fi) {
 			LOG.warn("chmod {} failed, file not found.", path);
 			return -errno.enoent();
 		} catch (UnsupportedOperationException e) {
-			if (!WindowsUtil.IS_RUNNING_OS) { //prevent spamming warnings
+			if (OS.WINDOWS.isCurrent()) { //prevent spamming warnings
 				LOG.warn("Setting posix permissions not supported by underlying file system.");
 			}
 			return -errno.enosys();