git-gc --auto: add documentation.

This documents the auto-packing of loose objects performed by
git-gc --auto.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 866e0534b8843af3c1789becd06b244162632d01..6b6553d9da8f92813ed4a79e310d14d0cc8b690f 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -439,6 +439,13 @@ gc.aggressiveWindow::
        algorithm used by 'git gc --aggressive'.  This defaults
        to 10.
 
+gc.auto::
+       When there are approximately more than this many loose
+       objects in the repository, `git gc --auto` will pack them.
+       Some Porcelain commands use this command to perform a
+       light-weight garbage collection from time to time.  Setting
+       this to 0 disables it.
+
 gc.packrefs::
        `git gc` does not run `git pack-refs` in a bare repository by
        default so that older dumb-transport clients can still fetch

diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt
index c7742ca9630b13d1eeef16d175f8ca840ddff4b0..40c1ce4a21302b315c8f88802645ce0161a0c47c 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] [--aggressive]
+'git-gc' [--prune] [--aggressive] [--auto]
 
 DESCRIPTION
 -----------
@@ -43,6 +43,15 @@ OPTIONS
        persistent, so this option only needs to be used occasionally; every
        few hundred changesets or so.
 
+--auto::
+       With this option, `git gc` checks if there are too many
+       loose objects in the repository and runs
+       gitlink:git-repack[1] with `-d -l` option to pack them.
+       The threshold is set with `gc.auto` configuration
+       variable, and can be disabled by setting it to 0.  Some
+       Porcelain commands use this after they perform operation
+       that could create many loose objects automatically.
+
 Configuration
 -------------