netdev - [PATCH bpf-next v2 2/2] tools: bpftool: fix minor bash completion mistakes

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Date:   Thu, 12 Mar 2020 18:46:08 +0000
From:   Quentin Monnet <quentin@...valent.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org,
        Quentin Monnet <quentin@...valent.com>
Subject: [PATCH bpf-next v2 2/2] tools: bpftool: fix minor bash completion mistakes

Minor fixes for bash completion: addition of program name completion for
two subcommands, and correction for program test-runs and map pinning.

The completion for the following commands is fixed or improved:

    # bpftool prog run [TAB]
    # bpftool prog pin [TAB]
    # bpftool map pin [TAB]
    # bpftool net attach xdp name [TAB]

Signed-off-by: Quentin Monnet <quentin@...valent.com>
---
 tools/bpf/bpftool/bash-completion/bpftool | 29 ++++++++++++++++-------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
index a9cce9d3745a..9b0534f558f1 100644
--- a/tools/bpf/bpftool/bash-completion/bpftool
+++ b/tools/bpf/bpftool/bash-completion/bpftool
@@ -542,8 +542,8 @@ _bpftool()
                     esac
                     ;;
                 run)
-                    if [[ ${#words[@]} -lt 5 ]]; then
-                        _filedir
+                    if [[ ${#words[@]} -eq 4 ]]; then
+                        COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) )
                         return 0
                     fi
                     case $prev in
@@ -551,6 +551,10 @@ _bpftool()
                             _bpftool_get_prog_ids
                             return 0
                             ;;
+                        name)
+                            _bpftool_get_prog_names
+                            return 0
+                            ;;
                         data_in|data_out|ctx_in|ctx_out)
                             _filedir
                             return 0
@@ -756,11 +760,17 @@ _bpftool()
                     esac
                     ;;
                 pin)
-                    if [[ $prev == "$command" ]]; then
-                        COMPREPLY=( $( compgen -W "$PROG_TYPE" -- "$cur" ) )
-                    else
-                        _filedir
-                    fi
+                    case $prev in
+                        $command)
+                            COMPREPLY=( $( compgen -W "$MAP_TYPE" -- "$cur" ) )
+                            ;;
+                        id)
+                            _bpftool_get_map_ids
+                            ;;
+                        name)
+                            _bpftool_get_map_names
+                            ;;
+                    esac
                     return 0
                     ;;
                 event_pipe)
@@ -887,7 +897,7 @@ _bpftool()
             case $command in
                 skeleton)
                     _filedir
-		    ;;
+                    ;;
                 *)
                     [[ $prev == $object ]] && \
                         COMPREPLY=( $( compgen -W 'skeleton help' -- "$cur" ) )
@@ -987,6 +997,9 @@ _bpftool()
                                 id)
                                     _bpftool_get_prog_ids
                                     ;;
+                                name)
+                                    _bpftool_get_prog_names
+                                    ;;
                                 pinned)
                                     _filedir
                                     ;;
-- 
2.20.1