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       git-multi-pack-index - Write and verify multi-pack-indexes


       git multi-pack-index [--object-dir=<dir>] [--[no-]progress]
               [--preferred-pack=<pack>] <subcommand>


       Write or verify a multi-pack-index (MIDX) file.


           Use given directory for the location of Git objects. We check
           <dir>/packs/multi-pack-index for the current MIDX file, and <dir>/packs for the
           pack-files to index.

           Turn progress on/off explicitly. If neither is specified, progress is shown if
           standard error is connected to a terminal.

       The following subcommands are available:

           Write a new MIDX file. The following options are available for the write sub-command:

               Optionally specify the tie-breaking pack used when multiple packs contain the same
               object. If not given, ties are broken in favor of the pack with the lowest mtime.

           Verify the contents of the MIDX file.

           Delete the pack-files that are tracked by the MIDX file, but have no objects
           referenced by the MIDX. Rewrite the MIDX file afterward to remove all references to
           these pack-files.

           Create a new pack-file containing objects in small pack-files referenced by the
           multi-pack-index. If the size given by the --batch-size=<size> argument is zero, then
           create a pack containing all objects referenced by the multi-pack-index. For a
           non-zero batch size, Select the pack-files by examining packs from oldest-to-newest,
           computing the "expected size" by counting the number of objects in the pack referenced
           by the multi-pack-index, then divide by the total number of objects in the pack and
           multiply by the pack size. We select packs with expected size below the batch size
           until the set of packs have total expected size at least the batch size, or all
           pack-files are considered. If only one pack-file is selected, then do nothing. If a
           new pack-file is created, rewrite the multi-pack-index to reference the new pack-file.
           A later run of git multi-pack-index expire will delete the pack-files that were part
           of this batch.

           If repack.packKeptObjects is false, then any pack-files with an associated .keep file
           will not be selected for the batch to repack.


       •   Write a MIDX file for the packfiles in the current .git folder.

               $ git multi-pack-index write

       •   Write a MIDX file for the packfiles in an alternate object store.

               $ git multi-pack-index --object-dir <alt> write

       •   Verify the MIDX file for the packfiles in the current .git folder.

               $ git multi-pack-index verify


       See The Multi-Pack-Index Design Document[1] and The Multi-Pack-Index Format[2] for more
       information on the multi-pack-index feature.


       Part of the git(1) suite


        1. The Multi-Pack-Index Design Document

        2. The Multi-Pack-Index Format