linux-kernel - Re: [PATCH bpf-next v4 4/4] bpftool: bash: Add bash completion for root

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Message-ID: <8372554b-0d4d-4f65-b000-a1a6c00d80ab@kernel.org>
Date: Fri, 13 Dec 2024 15:17:57 +0000
From: Quentin Monnet <qmo@...nel.org>
To: Daniel Xu <dxu@...uu.xyz>, andrii@...nel.org, ast@...nel.org,
 daniel@...earbox.net
Cc: martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
 sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, bpf@...r.kernel.org,
 linux-kernel@...r.kernel.org, andrii.nakryiko@...il.com, antony@...nome.org,
 toke@...nel.org
Subject: Re: [PATCH bpf-next v4 4/4] bpftool: bash: Add bash completion for
 root_id argument

2024-12-12 18:24 UTC-0700 ~ Daniel Xu <dxu@...uu.xyz>
> This commit updates the bash completion script with the new root_id
> argument.
> 
> Signed-off-by: Daniel Xu <dxu@...uu.xyz>
> ---
>  tools/bpf/bpftool/bash-completion/bpftool | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
> index 0c541498c301..097d406ee21f 100644
> --- a/tools/bpf/bpftool/bash-completion/bpftool
> +++ b/tools/bpf/bpftool/bash-completion/bpftool
> @@ -930,6 +930,9 @@ _bpftool()
>                          format)
>                              COMPREPLY=( $( compgen -W "c raw" -- "$cur" ) )
>                              ;;
> +                        root_id)
> +                            return 0;
> +                            ;;
>                          c)
>                              COMPREPLY=( $( compgen -W "unsorted" -- "$cur" ) )
>                              ;;
> @@ -937,13 +940,13 @@ _bpftool()
>                              # emit extra options
>                              case ${words[3]} in
>                                  id|file)
> -                                    _bpftool_once_attr 'format'
> +                                    _bpftool_once_attr 'format root_id'
>                                      ;;
>                                  map|prog)
>                                      if [[ ${words[3]} == "map" ]] && [[ $cword == 6 ]]; then
>                                          COMPREPLY+=( $( compgen -W "key value kv all" -- "$cur" ) )
>                                      fi
> -                                    _bpftool_once_attr 'format'
> +                                    _bpftool_once_attr 'format root_id'
>                                      ;;
>                                  *)
>                                      ;;


Thanks! If we support multiple occurrences for root_id, let's adjust the
completion (and also complete with root_id after "format c", by the way,
I missed it last time):

------
diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
index 0c541498c301..e5bf809656ed 100644
--- a/tools/bpf/bpftool/bash-completion/bpftool
+++ b/tools/bpf/bpftool/bash-completion/bpftool
@@ -930,19 +930,24 @@ _bpftool()
                         format)
                             COMPREPLY=( $( compgen -W "c raw" -- "$cur" ) )
                             ;;
+                        root_id)
+                            return 0
+                            ;;
                         c)
-                            COMPREPLY=( $( compgen -W "unsorted" -- "$cur" ) )
+                            COMPREPLY=( $( compgen -W "unsorted root_id" -- "$cur" ) )
                             ;;
                         *)
                             # emit extra options
                             case ${words[3]} in
                                 id|file)
+                                    COMPREPLY=( $( compgen -W "root_id" -- "$cur" ) )
                                     _bpftool_once_attr 'format'
                                     ;;
                                 map|prog)
                                     if [[ ${words[3]} == "map" ]] && [[ $cword == 6 ]]; then
                                         COMPREPLY+=( $( compgen -W "key value kv all" -- "$cur" ) )
                                     fi
+                                    COMPREPLY=( $( compgen -W "root_id" -- "$cur" ) )
                                     _bpftool_once_attr 'format'
                                     ;;
                                 *)
------