Add strbuf_read_file().

diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt
index bc1658434a61bdba41699859f103a3c8e0802d95..c7742ca9630b13d1eeef16d175f8ca840ddff4b0 100644 (file)
--- a/Documentation/git-gc.txt
+++ b/Documentation/git-gc.txt
@@ -8,7 +8,7 @@ git-gc - Cleanup unnecessary files and optimize the local repository
 
 SYNOPSIS
 --------
-'git-gc' [--prune]
+'git-gc' [--prune] [--aggressive]
 
 DESCRIPTION
 -----------
@@ -35,6 +35,13 @@ OPTIONS
        repository at the same time (e.g. never use this option
        in a cron script).
 
+--aggressive::
+       Usually 'git-gc' runs very quickly while providing good disk
+       space utilization and performance.  This option will cause
+       git-gc to more aggressively optimize the repository at the expense
+       of taking much more time.  The effects of this optimization are
+       persistent, so this option only needs to be used occasionally; every
+       few hundred changesets or so.
 
 Configuration
 -------------
@@ -67,6 +74,13 @@ The optional configuration variable 'gc.packrefs' determines if
 is not run in bare repositories by default, to allow older dumb-transport
 clients fetch from the repository,  but this will change in the future.
 
+The optional configuration variable 'gc.aggressiveWindow' controls how
+much time is spent optimizing the delta compression of the objects in
+the repository when the --aggressive option is specified.  The larger
+the value, the more time is spent optimizing the delta compression.  See
+the documentation for the --window' option in gitlink:git-repack[1] for
+more details.  This defaults to 10.
+
 See Also
 --------
 gitlink:git-prune[1]