[PATCH 2/5] perf completion: factor out compgen stuff

Ramkumar Ramachandra
2013-11-17T16:22:54Z

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.

Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
---
tools/perf/bash_completion | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion
index 3efdc84..82431268 100644
--- a/tools/perf/bash_completion
+++ b/tools/perf/bash_completion
@@ -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
}

--
1.8.5.rc0.6.gfd75b41