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perf tools: Long option completion support for each subcommands

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Add internal --list-opts option to print all of long option names to
stdout so that it can be used for bash completion engine.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1349191294-6926-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2012-10-03 00:21:34 +09:00
committed by Arnaldo Carvalho de Melo
parent 35c2fde115
commit 4d8061faca
3 changed files with 16 additions and 2 deletions
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9
tools/perf/bash_completion
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@@ -33,8 +33,13 @@ _perf()
fi
# List possible events for -e option
elif [[ $prev == "-e" && "${COMP_WORDS[1]}" == @(record|stat|top) ]]; then
cmds=$($cmd list --raw-dump)
COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) )
evts=$($cmd list --raw-dump)
COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) )
# List long option names
elif [[ $cur == --* ]]; then
subcmd=${COMP_WORDS[1]}
opts=$($cmd $subcmd --list-opts)
COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) )
# Fall down to list regular files
else
_filedir