linux-kernel - [PATCH 06/16] perf completion: factor out call to __ltrim_colon

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Date:	Mon, 18 Nov 2013 17:27:54 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Ramkumar Ramachandra <artagnon@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 06/16] perf completion: factor out call to __ltrim_colon_completions

From: Ramkumar Ramachandra <artagnon@...il.com>

In our sole callsite, __ltrim_colon_completions is called after
__perfcomp, to modify the COMPREPLY set by the invocation.

This is problematic, because in the zsh equivalent (using compset/
compadd), we'll have to generate completions in one-shot.

So factor out this entire callsite into a special override'able
__perfcomp_colon function; we will override it when introducing zsh
support.

Signed-off-by: Ramkumar Ramachandra <artagnon@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Link: http://lkml.kernel.org/r/1384704807-15779-4-git-send-email-artagnon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/bash_completion | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/perf/bash_completion b/tools/perf/bash_completion
index 824312681601..573599b42be2 100644
--- a/tools/perf/bash_completion
+++ b/tools/perf/bash_completion
@@ -94,6 +94,12 @@ __perfcomp ()
 	COMPREPLY=( $( compgen -W "$1" -- "$2" ) )
 }
 
+__perfcomp_colon ()
+{
+	__perfcomp "$1" "$2"
+	__ltrim_colon_completions $cur
+}
+
 __perf_main ()
 {
 	local cmd
@@ -114,8 +120,7 @@ __perf_main ()
 	# List possible events for -e option
 	elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
 		evts=$($cmd list --raw-dump)
-		__perfcomp "$evts" "$cur"
-		__ltrim_colon_completions $cur
+		__perfcomp_colon "$evts" "$cur"
 	# List long option names
 	elif [[ $cur == --* ]];  then
 		subcmd=${words[1]}
-- 
1.8.1.4

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