Merge branch 'stable-5.3'

* stable-5.3:
  ObjectDirectory: extra logging on packfile exceptions
  Prepare 5.3.0-SNAPSHOT builds
  JGit v5.3.0.201901162155-m1
  Fix tools/version.sh
  JGit v5.3.0.201901161700-m1

Change-Id: I3c511fbc08f21eec5bb49d443de33d43094da4a4

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java

@@ -359,6 +359,7 @@ public class ObjectDirectory extends FileObjectDatabase {
 					// The hasObject call should have only touched the index,
 					// so any failure here indicates the index is unreadable
 					// by this process, and the pack is likewise not readable.
+					LOG.warn("Unable to read packfile " + p.getPackFile(), e);
 					removePack(p);
 				}
 			}
@@ -651,6 +652,7 @@ public class ObjectDirectory extends FileObjectDatabase {
 		if ((e instanceof CorruptObjectException)
 				|| (e instanceof PackInvalidException)) {
 			warnTmpl = JGitText.get().corruptPack;
+			LOG.warn("Packfile " + p.getPackFile() + " is corrupted", e);
 			// Assume the pack is corrupted, and remove it from the list.
 			removePack(p);
 		} else if (e instanceof FileNotFoundException) {

tools/version.sh

@@ -156,6 +156,17 @@ perl -pi~ -e '
 	}
 	' org.eclipse.jgit.packaging/pom.xml
 
+perl -pi~ -e '
+	if ($ARGV ne $old_argv) {
+		$seen_version = 0;
+		$old_argv = $ARGV;
+	}
+	if ($seen_version < 18) {
+			$seen_version++ if
+		s{<(version)>.*</\1>}{<${1}>'"$POM_V"'</${1}>};
+	}
+	' org.eclipse.jgit.coverage/pom.xml
+
 perl -pi~ -e '
 	if ($ARGV ne $old_argv) {
 		$seen_version = 0;