Merge branch 'stable-5.5' into stable-5.6stable-5.6

* stable-5.5:
  Use FileSnapshot without using configs for FileBasedConfig

Change-Id: If904289feecd1e0d8466c1fb998f160f14d54b61

2 files changed, 24 insertions, 3 deletions

diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
index 78262e9773..d06b5a72d1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
@@ -106,6 +106,8 @@ public class LockFile {
 
 	private boolean written;
 
+	private boolean snapshotNoConfig;
+
 	private FileSnapshot commitSnapshot;
 
 	private LockToken token;
@@ -403,6 +405,21 @@ public class LockFile {
 	}
 
 	/**
+	 * Request that {@link #commit()} remember the
+	 * {@link org.eclipse.jgit.internal.storage.file.FileSnapshot} without using
+	 * config file to get filesystem timestamp resolution.
+	 * This method should be invoked before the file is accessed.
+	 * It is used by FileBasedConfig to avoid endless recursion.
+	 *
+	 * @param on
+	 *            true if the commit method must remember the FileSnapshot.
+	 */
+	public void setNeedSnapshotNoConfig(boolean on) {
+		needSnapshot = on;
+		snapshotNoConfig = on;
+	}
+
+	/**
 	 * Request that {@link #commit()} force dirty data to the drive.
 	 *
 	 * @param on
@@ -480,8 +497,12 @@ public class LockFile {
 	}
 
 	private void saveStatInformation() {
-		if (needSnapshot)
-			commitSnapshot = FileSnapshot.save(lck);
+		if (needSnapshot) {
+			commitSnapshot = snapshotNoConfig ?
+				// don't use config in this snapshot to avoid endless recursion
+				FileSnapshot.saveNoConfig(lck)
+				: FileSnapshot.save(lck);
+		}
 	}
 
 	/**
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java
index f1ff9e6ba0..380c23deb6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java
@@ -252,7 +252,7 @@ public class FileBasedConfig extends StoredConfig {
 		if (!lf.lock())
 			throw new LockFailedException(getFile());
 		try {
-			lf.setNeedSnapshot(true);
+			lf.setNeedSnapshotNoConfig(true);
 			lf.write(out);
 			if (!lf.commit())
 				throw new IOException(MessageFormat.format(JGitText.get().cannotCommitWriteTo, getFile()));