linux-kernel - [tip:perf/core] perf completion: Factor out call to __ltrim_colon

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Message-ID: <tip-37e72c31061521d6f0e4b7fe47cd5748280ed691@git.kernel.org>
Date:	Sat, 30 Nov 2013 04:49:57 -0800
From:	tip-bot for Ramkumar Ramachandra <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
	mingo@...nel.org, artagnon@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf completion:
  Factor out call to __ltrim_colon_completions

Commit-ID:  37e72c31061521d6f0e4b7fe47cd5748280ed691
Gitweb:     http://git.kernel.org/tip/37e72c31061521d6f0e4b7fe47cd5748280ed691
Author:     Ramkumar Ramachandra <artagnon@...il.com>
AuthorDate: Sun, 17 Nov 2013 21:43:25 +0530
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 27 Nov 2013 14:58:35 -0300

perf completion: Factor out call to __ltrim_colon_completions

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 82431268..573599b 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]}
--
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