Allow to discover bitmap on disk created after the packfile

When the bitmap file was created *after* a packfile had been
loaded into the memory, JGit was unable to discover them.

That happed because of two problems:

1. The PackDirectory.getPacks() does not implement the usual
   while loop that is scanning through the packs directory
   as in the other parts of JGit.

2. The scan packs does not look for newly created bitmap files
   if the packfile is already loaded in memory.

Implement the normal packfiles scanning whenever the PackDirectory
needs to return a list of packs, and make sure that any reused
Pack object would have its associated bitmap properly refreshed
from disk.

Adapt the assertions in GcConcurrentTest with the rescanned list
of Pack from the objects/packs directory.

Bug: jgit-15
Change-Id: I2ed576cefd78a0e128b175228a59c9af51523d7b

1 files changed, 2 insertions, 0 deletions

diff --git a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
index 45a67947f1..eabb0c6fa4 100644
--- a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
+++ b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
@@ -64,6 +64,8 @@ binaryHunkDecodeError=Binary hunk, line {0}: invalid input
 binaryHunkInvalidLength=Binary hunk, line {0}: input corrupt; expected length byte, got 0x{1}
 binaryHunkLineTooShort=Binary hunk, line {0}: input ended prematurely
 binaryHunkMissingNewline=Binary hunk, line {0}: input line not terminated by newline
+bitmapAccessErrorForPackfile=Error whilst trying to access bitmap file for {}
+bitmapFailedToGet=Failed to get bitmap index file {}
 bitmapMissingObject=Bitmap at {0} is missing {1}.
 bitmapsMustBePrepared=Bitmaps must be prepared before they may be written.
 blameNotCommittedYet=Not Committed Yet