git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/Documentation/git-pack-objects.txt b/Documentation/git-pack-objects.txt
index 74cc7c1cb831c700c14406f6e306e7a3002054d2..eed0a94c6e4d6f520923a2ee86f1fcfbee228185 100644 (file)
--- a/Documentation/git-pack-objects.txt
+++ b/Documentation/git-pack-objects.txt
@@ -73,6 +73,11 @@ base-name::
        as if all refs under `$GIT_DIR/refs` are specified to be
        included.
 
+--include-tag::
+       Include unasked-for annotated tags if the object they
+       reference was included in the resulting packfile.  This
+       can be useful to send new tags to native git clients.
+
 --window=[N], --depth=[N]::
        These two options affect how the objects contained in
        the pack are stored using delta compression.  The
@@ -99,7 +104,8 @@ base-name::
 --max-pack-size=<n>::
        Maximum size of each output packfile, expressed in MiB.
        If specified,  multiple packfiles may be created.
-       The default is unlimited.
+       The default is unlimited, unless the config variable
+       `pack.packSizeLimit` is set.
 
 --incremental::
        This flag causes an object already in a pack ignored
@@ -176,6 +182,8 @@ base-name::
        This is meant to reduce packing time on multiprocessor machines.
        The required amount of memory for the delta search window is
        however multiplied by the number of threads.
+       Specifying 0 will cause git to auto-detect the number of CPU's
+       and set the number of threads accordingly.
 
 --index-version=<version>[,<offset>]::
        This is intended to be used by the test suite only. It allows