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perf completion: Factor out compgen stuff

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compgen is a bash-builtin; factor out the invocations into a separate
function to give us a chance to override it with a zsh equivalent in
future patches.

Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1384704807-15779-3-git-send-email-artagnon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ramkumar Ramachandra 2013-11-17 21:43:24 +05:30 committed by Arnaldo Carvalho de Melo
parent 2cf025e695
commit 12f9dd5042
1 changed files with 10 additions and 5 deletions
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15
tools/perf/bash_completion
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@ -89,6 +89,11 @@ __ltrim_colon_completions()
fi
}
__perfcomp ()
{
COMPREPLY=( $( compgen -W "$1" -- "$2" ) )
}
__perf_main ()
{
local cmd
@ -99,23 +104,23 @@ __perf_main ()
# List perf subcommands or long options
if [ $cword -eq 1 ]; then
if [[ $cur == --* ]]; then
COMPREPLY=( $( compgen -W '--help --version \
__perfcomp '--help --version \
--exec-path --html-path --paginate --no-pager \
--perf-dir --work-tree --debugfs-dir' -- "$cur" ) )
--perf-dir --work-tree --debugfs-dir' -- "$cur"
else
cmds=$($cmd --list-cmds)
COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) )
__perfcomp "$cmds" "$cur"
fi
# List possible events for -e option
elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
evts=$($cmd list --raw-dump)
COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) )
__perfcomp "$evts" "$cur"
__ltrim_colon_completions $cur
# List long option names
elif [[ $cur == --* ]]; then
subcmd=${words[1]}
opts=$($cmd $subcmd --list-opts)
COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) )
__perfcomp "$opts" "$cur"
fi
}