On Wed, Oct 03, 2012 at 12:21:32AM +0900, Namhyung Kim wrote:
> The '_get_comp_words_by_ref' function is available from the bash
> completion v1.2 so that earlier version emits following warning:
>
> $ perf re<TAB>_get_comp_words_by_ref: command not found
>
> Use older '_get_cword' method when the above function doesn't exist.
May be only use _get_cword then, if it works everywhere?
>
> Cc: Frederic Weisbecker <fweis...@gmail.com>
> Cc: David Ahern <dsah...@gmail.com>
> Signed-off-by: Namhyung Kim <namhy...@kernel.org>
> ---
> tools/perf/bash_completion | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion
> index 1958fa539d0f..3d48cee1b5e5 100644
> --- a/tools/perf/bash_completion
> +++ b/tools/perf/bash_completion
> @@ -1,12 +1,23 @@
> # perf completion
>
> +function_exists()
> +{
> + declare -F $1 > /dev/null
> + return $?
> +}
> +
> have perf &&
> _perf()
> {
> - local cur cmd
> + local cur prev cmd
>
> COMPREPLY=()
> - _get_comp_words_by_ref cur prev
> + if function_exists _get_comp_words_by_ref; then
> + _get_comp_words_by_ref cur prev
> + else
> + cur=$(_get_cword)
> + prev=${COMP_WORDS[COMP_CWORD-1]}
> + fi
>
> cmd=${COMP_WORDS[0]}
>
> --
> 1.7.9.2
>
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