clone-pack: new option --keep tells it not to explode the pack.
clone-pack: new option --keep tells it not to explode the pack.

With new option --keep, or a configuration item clone.keeppack (we
need a better name, or start allowing dash,"clone.keep-pack"), the packed
data downloaded while cloning is saved as a pack in .git/objects/pack/
locally, with index generated for it with git-index-pack.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git