[PATCH] completion: Support exclude prefix, ^<rev>

When using the exclude pattern, ^<rev>, the completion did not work.
This enables completion after ^ in the same way that completion after ..
is done.

Signed-off-by: Trygve Aaberge <redacted>
---
 contrib/completion/git-completion.bash | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 8cfee95..3036dac 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash

@@ -496,6 +496,10 @@ __git_complete_revlist_file ()
 		cur_="${cur_#*..}"
 		__gitcomp_nl "$(__git_refs)" "$pfx" "$cur_"
 		;;
+	^*)
+		cur_="${cur_#^}"
+		__gitcomp_nl "$(__git_refs)" "^" "$cur_"
+		;;
 	*)
 		__gitcomp_nl "$(__git_refs)"
 		;;

-- 
2.2.2