completion: complete '--tool-help' in 'git mergetool'

Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 3d4dff3185ca957731e95379647bfd9bb90b37c6..b3b6aa3bae29194e3a9e98a523ee1b1ebfdcc60d 100644 (file)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2331,7 +2331,7 @@ _git_mergetool ()
                return
                ;;
        --*)
-               __gitcomp "--tool= --prompt --no-prompt --gui --no-gui"
+               __gitcomp "--tool= --tool-help --prompt --no-prompt --gui --no-gui"
                return
                ;;
        esac