Add --staged to bash completion for git diff

The --staged option (synonym for --cached) isn't listed in the
completion choices for git diff.  This tiny patch adds it.

Trivially-Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index ed235f7..6bc32df 100755 (executable)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -899,7 +899,7 @@ _git_diff ()
        local cur="${COMP_WORDS[COMP_CWORD]}"
        case "$cur" in
        --*)
-               __gitcomp "--cached --pickaxe-all --pickaxe-regex
+               __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
                        --base --ours --theirs
                        $__git_diff_common_options
                        "