Re: [PATCH v2 2/4] completion: complete 'git history --empty' values

>
> The "--empty" option accepts "drop", "keep", or "abort" for the "drop"
> and "fixup" subcommands. Complete these values.
>
> Although the synopsis only documents the:
>
>   --empty=<value>
>
> form, parse-options also accepts the value as a separate argument:
>
>   --empty <value>
>
> Support both forms to follow the parser.
>
> Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
> ---
> Changes in v2:
>
>   - New patch.
> ---
>  contrib/completion/git-completion.bash | 13 +++++++++++--
>  t/t9902-completion.sh                  |  5 ++++-
>  2 files changed, 15 insertions(+), 3 deletions(-)
>
> diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
> index 7372e2919b..fe5223b8ec 100644
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -2171,8 +2171,17 @@ _git_history ()
>         fi
>
>         if ! __git_has_doubledash; then
> -               case "$cur" in
> -               --*)
> +               case "$prev,$cur" in
> +               --empty,*|*,--empty=*)
> +                       case "$subcommand" in
> +                       drop|fixup)

> +                               __gitcomp "drop keep abort" "" \
> +                                       "${cur##--empty=}"
> +                               return
> +                               ;;
> +                       esac
> +                       ;;
> +               *,--*)
>                         __gitcomp_builtin "history_$subcommand"
>                         return
>                         ;;