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bpftool: Add bash completion for program signing options

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Commit 40863f4d6e ("bpftool: Add support for signing BPF programs")
added new options for "bpftool prog load" and "bpftool gen skeleton".
This commit brings the relevant update to the bash completion file.

We rework slightly the processing of options to make completion more
resilient for options that take an argument.

Signed-off-by: Quentin Monnet <qmo@kernel.org>
Link: https://lore.kernel.org/r/20250923103802.57695-1-qmo@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Quentin Monnet 2025-09-23 11:38:02 +01:00 • committed by Alexei Starovoitov
parent f0b5c1490a
commit 0d3bf643b4
1 changed files with 17 additions and 9 deletions
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26
tools/bpf/bpftool/bash-completion/bpftool
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@ -262,7 +262,7 @@ _bpftool()
# Deal with options
if [[ ${words[cword]} == -* ]]; then
local c='--version --json --pretty --bpffs --mapcompat --debug \
--use-loader --base-btf'
--use-loader --base-btf --sign -i -k'
COMPREPLY=( $( compgen -W "$c" -- "$cur" ) )
return 0
fi
@ -283,7 +283,7 @@ _bpftool()
_sysfs_get_netdevs
return 0
;;
file|pinned|-B|--base-btf)
file|pinned|-B|--base-btf|-i|-k)
_filedir
return 0
;;
@ -296,13 +296,21 @@ _bpftool()
# Remove all options so completions don't have to deal with them.
local i pprev
for (( i=1; i < ${#words[@]}; )); do
if [[ ${words[i]::1} == - ]] &&
[[ ${words[i]} != "-B" ]] && [[ ${words[i]} != "--base-btf" ]]; then
words=( "${words[@]:0:i}" "${words[@]:i+1}" )
[[ $i -le $cword ]] && cword=$(( cword - 1 ))
else
i=$(( ++i ))
fi
case ${words[i]} in
# Remove option and its argument
-B|--base-btf|-i|-k)
words=( "${words[@]:0:i}" "${words[@]:i+2}" )
[[ $i -le $(($cword + 1)) ]] && cword=$(( cword - 2 ))
;;
# No argument, remove option only
-*)
words=( "${words[@]:0:i}" "${words[@]:i+1}" )
[[ $i -le $cword ]] && cword=$(( cword - 1 ))
;;
*)
i=$(( ++i ))
;;
esac
done
cur=${words[cword]}
prev=${words[cword - 1]}