diffcore: add a pickaxe option to find a specific blob

diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt
index b9c02ce48134dd44b05053275ec4b219f3999091..ae750e9e1149f512dd5889a8081452055ccdb6d7 100644 (file)
--- a/Documentation/git-repack.txt
+++ b/Documentation/git-repack.txt
@@ -9,7 +9,7 @@ git-repack - Pack unpacked objects in a repository
 SYNOPSIS
 --------
 [verse]
-'git repack' [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [-b] [--window=<n>] [--depth=<n>]
+'git repack' [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [-b] [--window=<n>] [--depth=<n>] [--threads=<n>]
 
 DESCRIPTION
 -----------
@@ -33,7 +33,7 @@ OPTIONS
        pack everything referenced into a single pack.
        Especially useful when packing a repository that is used
        for private development. Use
-       with '-d'.  This will clean up the objects that `git prune`
+       with `-d`.  This will clean up the objects that `git prune`
        leaves behind, but `git fsck --full --dangling` shows as
        dangling.
 +
@@ -42,7 +42,7 @@ whole new pack in order to get any contained object, no matter how many
 other objects in that pack they already have locally.
 
 -A::
-       Same as `-a`, unless '-d' is used.  Then any unreachable
+       Same as `-a`, unless `-d` is used.  Then any unreachable
        objects in a previous pack become loose, unpacked objects,
        instead of being left in the old pack.  Unreachable objects
        are never intentionally added to a pack, even when repacking.
@@ -92,6 +92,9 @@ other objects in that pack they already have locally.
        to be applied that many times to get to the necessary object.
        The default value for --window is 10 and --depth is 50.
 
+--threads=<n>::
+       This option is passed through to `git pack-objects`.
+
 --window-memory=<n>::
        This option provides an additional limit on top of `--window`;
        the window size will dynamically scale down so as to not take
@@ -100,8 +103,10 @@ other objects in that pack they already have locally.
        out of memory with a large window, but still be able to take
        advantage of the large window for the smaller objects.  The
        size can be suffixed with "k", "m", or "g".
-       `--window-memory=0` makes memory usage unlimited, which is the
-       default.
+       `--window-memory=0` makes memory usage unlimited.  The default
+       is taken from the `pack.windowMemory` configuration variable.
+       Note that the actual memory usage will be the limit multiplied
+       by the number of threads used by linkgit:git-pack-objects[1].
 
 --max-pack-size=<n>::
        Maximum size of each output pack file. The size can be suffixed with
@@ -128,6 +133,19 @@ other objects in that pack they already have locally.
        with `-b` or `repack.writeBitmaps`, as it ensures that the
        bitmapped packfile has the necessary objects.
 
+--unpack-unreachable=<when>::
+       When loosening unreachable objects, do not bother loosening any
+       objects older than `<when>`. This can be used to optimize out
+       the write of any objects that would be immediately pruned by
+       a follow-up `git prune`.
+
+-k::
+--keep-unreachable::
+       When used with `-ad`, any unreachable objects from existing
+       packs will be appended to the end of the packfile instead of
+       being removed. In addition, any unreachable loose objects will
+       be packed (and their loose counterparts removed).
+
 Configuration
 -------------