[PATCH] Documentation/git-repack.txt: document new -A behaviour

[Chris Frey <cdfrey@xxxxxxxxxxxxxx>]

Add paragraph for the -A option, and describe the new behaviour
that makes unreachable objects loose.

Signed-off-by: Chris Frey <cdfrey@xxxxxxxxxxxxxx>
---

	This is the second half of the split-up prune/repack
	documentation patch, as I see the prune patch was accepted.

	Thanks,
	- Chris

 Documentation/git-repack.txt |   14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt
index 3d95749..906d3c7 100644
--- a/Documentation/git-repack.txt
+++ b/Documentation/git-repack.txt
@@ -8,7 +8,7 @@ git-repack - Pack unpacked objects in a repository
 
 SYNOPSIS
 --------
-'git-repack' [-a] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N]
+'git-repack' [-a] [-A] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N]
 
 DESCRIPTION
 -----------
@@ -37,6 +37,18 @@ OPTIONS
 	leaves behind, but `git fsck --full` shows as
 	dangling.
 
+-A::
+	Same as `-a`, but 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.
+	When used with '-d', this option
+	prevents unreachable objects from being immediately
+	deleted by way of being left in the old pack and then
+	removed.  Instead, the loose unreachable objects
+	will be pruned according to normal expiry rules
+	with the next linkgit:git-gc[1].
+
 -d::
 	After packing, if the newly created packs make some
 	existing packs redundant, remove the redundant packs.
-- 
1.5.4.4

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