builtin/commit.c: extract ignore_non_trailer() helper function

diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt
index b370b025b89ffad0664171a03527b9a775172dee..e158a3b31fce6b7573a3f549a3d9e0ecbf1cdff2 100644 (file)
--- a/Documentation/git-gc.txt
+++ b/Documentation/git-gc.txt
@@ -9,7 +9,7 @@ git-gc - Cleanup unnecessary files and optimize the local repository
 SYNOPSIS
 --------
 [verse]
-'git gc' [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune]
+'git gc' [--aggressive] [--auto] [--quiet] [--prune=<date> | --no-prune] [--force]
 
 DESCRIPTION
 -----------
@@ -62,8 +62,9 @@ automatic consolidation of packs.
 
 --prune=<date>::
        Prune loose objects older than date (default is 2 weeks ago,
-       overridable by the config variable `gc.pruneExpire`).  This
-       option is on by default.
+       overridable by the config variable `gc.pruneExpire`).
+       --prune=all prunes loose objects regardless of their age.
+       --prune is on by default.
 
 --no-prune::
        Do not prune any loose objects.
@@ -71,6 +72,10 @@ automatic consolidation of packs.
 --quiet::
        Suppress all progress reports.
 
+--force::
+       Force `git gc` to run even if there may be another `git gc`
+       instance running on this repository.
+
 Configuration
 -------------