Merge branch 'sg/complete-symmetric-diff'

* sg/complete-symmetric-diff:
  bash: complete 'git diff ...branc<TAB>'
  bash: fix misindented esac statement in __git_complete_file()

contrib/completion/git-completion.bash

@@ -664,11 +664,14 @@ __git_compute_merge_strategies ()
 	: ${__git_merge_strategies:=$(__git_list_merge_strategies)}
 }
 
-__git_complete_file ()
+__git_complete_revlist_file ()
 {
 	local pfx ls ref cur
 	_get_comp_words_by_ref -n =: cur
 	case "$cur" in
+	*..?*:*)
+		return
+		;;
 	?*:*)
 		ref="${cur%%:*}"
 		cur="${cur#*:}"
@@ -682,7 +685,7 @@ __git_complete_file ()
 		*)
 			ls="$ref"
 			;;
-	    esac
+		esac
 
 		case "$COMP_WORDBREAKS" in
 		*:*) : great ;;
@@ -707,17 +710,6 @@ __git_complete_file ()
 				       s/^.*	//')" \
 			-- "$cur"))
 		;;
-	*)
-		__gitcomp "$(__git_refs)"
-		;;
-	esac
-}
-
-__git_complete_revlist ()
-{
-	local pfx cur
-	_get_comp_words_by_ref -n =: cur
-	case "$cur" in
 	*...*)
 		pfx="${cur%...*}..."
 		cur="${cur#*...}"
@@ -734,6 +726,17 @@ __git_complete_revlist ()
 	esac
 }
 
+
+__git_complete_file ()
+{
+	__git_complete_revlist_file
+}
+
+__git_complete_revlist ()
+{
+	__git_complete_revlist_file
+}
+
 __git_complete_remote_or_refspec ()
 {
 	local cur words cword
@@ -1356,7 +1359,7 @@ _git_diff ()
 		return
 		;;
 	esac
-	__git_complete_file
+	__git_complete_revlist_file
 }
 
 __git_mergetools_common="diffuse ecmerge emerge kdiff3 meld opendiff