netdev - [PATCH bpf-next 8/8] tools: bpftool: add bash completion for CFG dump

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Date:   Mon, 26 Feb 2018 20:12:54 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     alexei.starovoitov@...il.com, daniel@...earbox.net
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        Quentin Monnet <quentin.monnet@...ronome.com>
Subject: [PATCH bpf-next 8/8] tools: bpftool: add bash completion for CFG dump

From: Quentin Monnet <quentin.monnet@...ronome.com>

Add bash completion for the "visual" keyword used for dumping the CFG of
eBPF programs with bpftool. Make sure we only complete with this keyword
when we dump "xlated" (and not "jited") instructions.

Acked-by: Jiong Wang <jiong.wang@...ronome.com>
Signed-off-by: Quentin Monnet <quentin.monnet@...ronome.com>
Acked-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
---
 tools/bpf/bpftool/bash-completion/bpftool | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
index 08719c54a614..490811b45fa7 100644
--- a/tools/bpf/bpftool/bash-completion/bpftool
+++ b/tools/bpf/bpftool/bash-completion/bpftool
@@ -147,7 +147,7 @@ _bpftool()
 
     # Deal with simplest keywords
     case $prev in
-        help|key|opcodes)
+        help|key|opcodes|visual)
             return 0
             ;;
         tag)
@@ -223,11 +223,16 @@ _bpftool()
                             return 0
                             ;;
                     *)
-                            _bpftool_once_attr 'file'
+                        _bpftool_once_attr 'file'
+                        if _bpftool_search_list 'xlated'; then
+                            COMPREPLY+=( $( compgen -W 'opcodes visual' -- \
+                                "$cur" ) )
+                        else
                             COMPREPLY+=( $( compgen -W 'opcodes' -- \
                                 "$cur" ) )
-                            return 0
-                            ;;
+                        fi
+                        return 0
+                        ;;
                     esac
                     ;;
                 pin)
-- 
2.15.1