Fixes deffect in FileSystemWriter.

Author: justin

README.txt

@@ -31,6 +31,9 @@ a bad thing.
 
 RELEASE NOTES:
 
+Changes in 4.8.1:
+1. Bug fix to FileSystemWriter to handle files that did do not already exist.
+
 Changes in 4.8:
 1. Added additional convenience method to FileHelper.
 

pom.xml

@@ -6,7 +6,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xs
 	<artifactId>bagit</artifactId>
 	<packaging>jar</packaging>
 	<name>BagIt Implementation</name>
-	<version>4.9-SNAPSHOT</version>
+	<version>4.8.1-SNAPSHOT</version>
 	<description>A software library that supports the creation,
 		manipulation, and validation of bags according to the BagIt
 		specification.</description>

src/main/java/gov/loc/repository/bagit/transformer/impl/CompleterHelper.java

@@ -216,6 +216,7 @@ public Map<String,String> call() {
 	        					}
 	        					if (in == null) in = bag.getBagFile(filepath).newInputStream();
 	        					checksum = MessageDigestHelper.generateFixity(in, manifest.getAlgorithm());
+	        					log.trace(MessageFormat.format("Fixity for {0} is {1}.", filepath, checksum));
 	        				}
 	        				manifestEntries.put(filepath, checksum);
 

src/main/java/gov/loc/repository/bagit/writer/impl/FileSystemWriter.java

@@ -260,7 +260,7 @@ private void removeExtraFiles(File dir, boolean recurse) {
 	private boolean fileMatchesManifest(BagFile bagFile, File file) {
 		Map<Algorithm, String> checksumMap = this.origBag.getChecksums(bagFile.getFilepath());
 		boolean res = false;
-		if (! checksumMap.isEmpty()) {
+		if (file.exists() && ! checksumMap.isEmpty()) {
 			//Pick an algorithm and check
 			java.util.Map.Entry<Algorithm, String> entry = checksumMap.entrySet().iterator().next();
 			try {