diff-delta: set size out-parameter to 0 for NULL delta

diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt
index d056250968e13953bd8bc7dae71e745336788e38..92f146d27dc363519e04d0b132e43b0a4667cac8 100644 (file)
--- a/Documentation/git-repack.txt
+++ b/Documentation/git-repack.txt
@@ -142,7 +142,7 @@ depth is 4095.
 
 --keep-pack=<pack-name>::
        Exclude the given pack from repacking. This is the equivalent
-       of having `.keep` file on the pack. `<pack-name>` is the the
+       of having `.keep` file on the pack. `<pack-name>` is the
        pack file name without leading directory (e.g. `pack-123.pack`).
        The option could be specified multiple times to keep multiple
        packs.
@@ -160,6 +160,11 @@ depth is 4095.
        being removed. In addition, any unreachable loose objects will
        be packed (and their loose counterparts removed).
 
+-i::
+--delta-islands::
+       Pass the `--delta-islands` option to `git-pack-objects`, see
+       linkgit:git-pack-objects[1].
+
 Configuration
 -------------