Merge branch 'jc/autogc'

* jc/autogc:
  git-gc --auto: run "repack -A -d -l" as necessary.
  git-gc --auto: restructure the way "repack" command line is built.
  git-gc --auto: protect ourselves from accumulated cruft
  git-gc --auto: add documentation.
  git-gc --auto: move threshold check to need_to_gc() function.
  repack -A -d: use --keep-unreachable when repacking
  pack-objects --keep-unreachable
  Export matches_pack_name() and fix its return value
  Invoke "git gc --auto" from commit, merge, am and rebase.
  Implement git gc --auto

1 files changed, 11 insertions, 3 deletions

diff --git a/git-repack.sh b/git-repack.sh
index 0aae1a3ed5..e72adc4d91 100755
--- a/git-repack.sh
+++ b/git-repack.sh
@@ -3,17 +3,19 @@
 # Copyright (c) 2005 Linus Torvalds
 #
 
-USAGE='[-a] [-d] [-f] [-l] [-n] [-q] [--max-pack-size=N] [--window=N] [--window-memory=N] [--depth=N]'
+USAGE='[-a|-A] [-d] [-f] [-l] [-n] [-q] [--max-pack-size=N] [--window=N] [--window-memory=N] [--depth=N]'
 SUBDIRECTORY_OK='Yes'
 . git-sh-setup
 
-no_update_info= all_into_one= remove_redundant=
+no_update_info= all_into_one= remove_redundant= keep_unreachable=
 local= quiet= no_reuse= extra=
 while test $# != 0
 do
 	case "$1" in
 	-n)	no_update_info=t ;;
 	-a)	all_into_one=t ;;
+	-A)	all_into_one=t
+		keep_unreachable=--keep-unreachable ;;
 	-d)	remove_redundant=t ;;
 	-q)	quiet=-q ;;
 	-f)	no_reuse=--no-reuse-object ;;
@@ -59,7 +61,13 @@ case ",$all_into_one," in
 			fi
 		done
 	fi
-	[ -z "$args" ] && args='--unpacked --incremental'
+	if test -z "$args"
+	then
+		args='--unpacked --incremental'
+	elif test -n "$keep_unreachable"
+	then
+		args="$args $keep_unreachable"
+	fi
 	;;
 esac