From ac02cbb46372dbc2ad659bb63d88dbc0202f09da Mon Sep 17 00:00:00 2001
From: Sebastian Stenzel <sebastian.stenzel@skymatic.de>
Date: Wed, 30 Oct 2019 17:35:41 +0100
Subject: [PATCH 1/4] bumped version

---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index 658c5d5a..81093708 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.cryptomator</groupId>
 	<artifactId>cryptofs</artifactId>
-	<version>1.8.8</version>
+	<version>1.8.9</version>
 	<name>Cryptomator Crypto Filesystem</name>
 	<description>This library provides the Java filesystem provider used by Cryptomator.</description>
 	<url>https://github.com/cryptomator/cryptofs</url>

From 06685b09a0174a9022bcc38a1010eaf433b06b87 Mon Sep 17 00:00:00 2001
From: Sebastian Stenzel <sebastian.stenzel@skymatic.de>
Date: Wed, 30 Oct 2019 17:36:25 +0100
Subject: [PATCH 2/4] make better use of existing capabilities of Exception
 class

---
 .../cryptomator/cryptofs/fh/ExceptionsDuringWrite.java   | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/main/java/org/cryptomator/cryptofs/fh/ExceptionsDuringWrite.java b/src/main/java/org/cryptomator/cryptofs/fh/ExceptionsDuringWrite.java
index 9848394c..b1a057d5 100644
--- a/src/main/java/org/cryptomator/cryptofs/fh/ExceptionsDuringWrite.java
+++ b/src/main/java/org/cryptomator/cryptofs/fh/ExceptionsDuringWrite.java
@@ -14,20 +14,19 @@
 @OpenFileScoped
 public class ExceptionsDuringWrite {
 
-	private final List<IOException> exceptions = new ArrayList<>();
+	private final IOException e = new IOException("Exceptions occured while writing");
 
 	@Inject
 	public ExceptionsDuringWrite() {
 	}
 
 	public synchronized void add(IOException e) {
-		exceptions.add(e);
+		e.addSuppressed(e);
 	}
 
 	public synchronized void throwIfPresent() throws IOException {
-		if (!exceptions.isEmpty()) {
-			IOException e = new IOException("Exceptions occured while writing");
-			exceptions.forEach(e::addSuppressed);
+		if (e.getSuppressed().length > 0) {
+			e.fillInStackTrace();
 			throw e;
 		}
 	}

From eccecec004664f56edcc379b36ba12b8d399d7f0 Mon Sep 17 00:00:00 2001
From: Sebastian Stenzel <sebastian.stenzel@skymatic.de>
Date: Wed, 30 Oct 2019 17:36:37 +0100
Subject: [PATCH 3/4] fixes #67

---
 .../cryptofs/ch/CleartextFileChannel.java     | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/main/java/org/cryptomator/cryptofs/ch/CleartextFileChannel.java b/src/main/java/org/cryptomator/cryptofs/ch/CleartextFileChannel.java
index af5d12f2..ccf205c6 100644
--- a/src/main/java/org/cryptomator/cryptofs/ch/CleartextFileChannel.java
+++ b/src/main/java/org/cryptomator/cryptofs/ch/CleartextFileChannel.java
@@ -208,11 +208,7 @@ public void force(boolean metaData) throws IOException {
 	}
 
 	private void forceInternal(boolean metaData) throws IOException {
-		if (isWritable()) {
-			writeHeaderIfNeeded();
-			chunkCache.invalidateAll(); // TODO performance: write chunks but keep them cached
-			exceptionsDuringWrite.throwIfPresent();
-		}
+		flush();
 		ciphertextFileChannel.force(metaData);
 		if (metaData) {
 			FileTime lastModifiedTime = isWritable() ? FileTime.from(lastModified.get()) : null;
@@ -221,6 +217,18 @@ private void forceInternal(boolean metaData) throws IOException {
 		}
 	}
 
+	/**
+	 * Writes in-memory contents to the ciphertext file
+	 * @throws IOException
+	 */
+	private void flush() throws IOException {
+		if (isWritable()) {
+			writeHeaderIfNeeded();
+			chunkCache.invalidateAll(); // TODO performance: write chunks but keep them cached
+			exceptionsDuringWrite.throwIfPresent();
+		}
+	}
+
 	@Override
 	public MappedByteBuffer map(MapMode mode, long position, long size) {
 		throw new UnsupportedOperationException();
@@ -285,7 +293,7 @@ long beginOfChunk(long cleartextPos) {
 	@Override
 	protected void implCloseChannel() throws IOException {
 		try {
-			forceInternal(true);
+			flush();
 		} finally {
 			super.implCloseChannel();
 			closeListener.closed(this);

From 8c069476f193d8534c67bef2cf753a5a4f00845d Mon Sep 17 00:00:00 2001
From: Sebastian Stenzel <sebastian.stenzel@skymatic.de>
Date: Wed, 30 Oct 2019 17:43:11 +0100
Subject: [PATCH 4/4] cherry picked dependency updates from dcc58cd

---
 pom.xml | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/pom.xml b/pom.xml
index 81093708..ca51bb77 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,13 +15,13 @@
 
 	<properties>
 		<cryptolib.version>1.2.1</cryptolib.version>
-		<dagger.version>2.22.1</dagger.version>
-		<guava.version>27.1-jre</guava.version>
-		<slf4j.version>1.7.26</slf4j.version>
+		<dagger.version>2.24</dagger.version>
+		<guava.version>28.1-jre</guava.version>
+		<slf4j.version>1.7.28</slf4j.version>
 
-		<junit.jupiter.version>5.4.2</junit.jupiter.version>
-		<mockito.version>2.27.0</mockito.version>
-		<hamcrest.version>2.1</hamcrest.version>
+		<junit.jupiter.version>5.5.2</junit.jupiter.version>
+		<mockito.version>3.1.0</mockito.version>
+		<hamcrest.version>2.2</hamcrest.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 
@@ -129,7 +129,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.8.0</version>
+				<version>3.8.1</version>
 				<configuration>
 					<release>8</release>
 					<showWarnings>true</showWarnings>
@@ -145,7 +145,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>2.22.1</version>
+				<version>2.22.2</version>
 			</plugin>
 		</plugins>
 	</build>
@@ -158,7 +158,7 @@
 					<plugin>
 						<groupId>org.owasp</groupId>
 						<artifactId>dependency-check-maven</artifactId>
-						<version>4.0.2</version>
+						<version>5.2.2</version>
 						<configuration>
 							<cveValidForHours>24</cveValidForHours>
 							<failBuildOnCVSS>0</failBuildOnCVSS>
@@ -185,7 +185,7 @@
 					<plugin>
 						<groupId>org.jacoco</groupId>
 						<artifactId>jacoco-maven-plugin</artifactId>
-						<version>0.8.3</version>
+						<version>0.8.5</version>
 						<executions>
 							<execution>
 								<id>prepare-agent</id>
@@ -217,7 +217,7 @@
 				<plugins>
 					<plugin>
 						<artifactId>maven-source-plugin</artifactId>
-						<version>3.0.1</version>
+						<version>3.1.0</version>
 						<executions>
 							<execution>
 								<id>attach-sources</id>
@@ -229,7 +229,7 @@
 					</plugin>
 					<plugin>
 						<artifactId>maven-javadoc-plugin</artifactId>
-						<version>3.0.1</version>
+						<version>3.1.1</version>
 						<executions>
 							<execution>
 								<id>attach-javadocs</id>