bash completion: More completions for 'git stash'

Add branch subcommand to completions and USAGE for git-stash.sh.
Complete stash names for show, apply, drop, pop, and branch.
Add "--index" long option for apply.

Signed-off-by: Lee Marlow <lee.marlow@gmail.com>
Acked-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/completion/git-completion.bash

@@ -1371,7 +1371,7 @@ _git_show_branch ()
 
 _git_stash ()
 {
-	local subcommands='save list show apply clear drop pop create'
+	local subcommands='save list show apply clear drop pop create branch'
 	local subcommand="$(__git_find_subcommand "$subcommands")"
 	if [ -z "$subcommand" ]; then
 		__gitcomp "$subcommands"
@@ -1381,6 +1381,16 @@ _git_stash ()
 		save,--*)
 			__gitcomp "--keep-index"
 			;;
+		apply,--*)
+			__gitcomp "--index"
+			;;
+		show,--*|apply,--*|drop,--*|pop,--*|branch,--*)
+			COMPREPLY=()
+			;;
+		show,*|apply,*|drop,*|pop,*|branch,*)
+			__gitcomp "$(git --git-dir="$(__gitdir)" stash list \
+					| sed -n -e 's/:.*//p')"
+			;;
 		*)
 			COMPREPLY=()
 			;;

git-stash.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # Copyright (c) 2007, Nanako Shiraishi
 
-USAGE='[  | save | list | show | apply | clear | drop | pop | create ]'
+USAGE='[  | save | list | show | apply | clear | drop | pop | create | branch ]'
 
 SUBDIRECTORY_OK=Yes
 OPTIONS_SPEC=