[PATCH 1/1] completion: complete <rev> in `git worktree add <path> <rev>`

["Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>]

From: Johannes Schindelin <johannes.schindelin@gmx.de>

The second non-option argument to `git worktree`'s `add` command is an
optional revision. Let's complete it.

Inspired by https://github.com/git-for-windows/git/pull/1681.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 contrib/completion/git-completion.bash | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 9e8ec95c3c..4194b4a2e7 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2773,6 +2773,11 @@ _git_worktree ()
 		add,--*)
 			__gitcomp_builtin worktree_add
 			;;
+		add,*)
+			if [ $(__git_count_arguments "worktree") -eq 2 ]; then
+				__git_complete_refs
+			fi
+			;;
 		list,--*)
 			__gitcomp_builtin worktree_list
 			;;
-- 
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