[PATCH] completion: git: add short option for '--dir-diff" (_git-difftool)

[Daniel Hahler <genml+zsh-workers@xxxxxxxxxx>]

From: Daniel Hahler <git@xxxxxxxxxx>

---
 Completion/Unix/Command/_git | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Completion/Unix/Command/_git b/Completion/Unix/Command/_git
index 5524cb0..78d06d3 100644
--- a/Completion/Unix/Command/_git
+++ b/Completion/Unix/Command/_git
@@ -3336,7 +3336,7 @@ _git-count-objects () {
 _git-difftool () {
   # TODO: Is this fine, or do we need to modify the context or similar?
   _git-diff \
-    '--dir-diff[diff a whole tree by prepare a temporary copy]' \
+    '(-d --dir-diff)'{-d,--dir-diff}'[diff a whole tree by prepare a temporary copy]' \
     '(-y --no-prompt --prompt)'{-y,--no-prompt}'[do not prompt before invocation of diff tool]' \
     '(-y --no-prompt)--prompt[prompt before invocation of diff tool]' \
     '(-t --tool -x --extcmd)'{-t,--tool=-}'[merge resolution program to use]: :__git_difftools' \
-- 
2.3.3.220.g9ab698f.dirty