From 3c26cffbce62cf548531bbd048f5dc5c631fbb71 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 3 Jan 2006 03:25:37 +0000
Subject: if youre going to rip code from baselayout, you really need to do it
 from an up-to-date version ... so re-import the KV functions and the color
 code so it doesnt suck

svn path=/main/trunk/; revision=2518
---
 bin/isolated-functions.sh | 99 ++++++++++++++++++-----------------------------
 1 file changed, 37 insertions(+), 62 deletions(-)

(limited to 'bin')

diff --git a/bin/isolated-functions.sh b/bin/isolated-functions.sh
index 860bc5890..07e7ad67e 100644
--- a/bin/isolated-functions.sh
+++ b/bin/isolated-functions.sh
@@ -1,4 +1,4 @@
-# Copyright 1999-2004 Gentoo Technologies, Inc.
+# Copyright 1999-2006 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Header$
 
@@ -29,15 +29,15 @@ elog() {
 esyslog() {
 	local pri=
 	local tag=
-	
+
 	if [ -x /usr/bin/logger ]
 	then
 		pri="$1"
 		tag="$2"
-		
+
 		shift 2
 		[ -z "$*" ] && return 0
-		
+
 		/usr/bin/logger -p "${pri}" -t "${tag}" -- "$*"
 	fi
 
@@ -83,7 +83,7 @@ eend() {
 		echo -e "${ENDCOL}  ${BRACKET}[ ${GOOD}ok${BRACKET} ]${NORMAL}"
 	else
 		retval="$1"
-		
+
 		if [ "$#" -ge 2 ]
 		then
 			shift
@@ -98,107 +98,82 @@ eend() {
 }
 
 KV_major() {
-	local KV=
-	
-	[ -z "$1" ] && return 1
-
-	KV="$(echo "$1" | \
-		awk '{ tmp = $0; gsub(/^[0-9\.]*/, "", tmp); sub(tmp, ""); print }')"
-	echo "${KV}" | awk -- 'BEGIN { FS = "." } { print $1 }'
+	[[ -z $1 ]] && return 1
 
-	return 0
+	local KV=$@
+	echo "${KV%%.*}"
 }
 
 KV_minor() {
-	local KV=
-	
-	[ -z "$1" ] && return 1
+	[[ -z $1 ]] && return 1
 
-	KV="$(echo "$1" | \
-		awk '{ tmp = $0; gsub(/^[0-9\.]*/, "", tmp); sub(tmp, ""); print }')"
-	echo "${KV}" | awk -- 'BEGIN { FS = "." } { print $2 }'
-
-	return 0
+	local KV=$@
+	KV=${KV#*.}
+	echo "${KV%%.*}"
 }
 
 KV_micro() {
-	local KV=
-	
-	[ -z "$1" ] && return 1
-
-	KV="$(echo "$1" | \
-		awk '{ tmp = $0; gsub(/^[0-9\.]*/, "", tmp); sub(tmp, ""); print }')"
-	echo "${KV}" | awk -- 'BEGIN { FS = "." } { print $3 }'
+	[[ -z $1 ]] && return 1
 
-	return 0
+	local KV=$@
+	KV=${KV#*.*.}
+	echo "${KV%%[^[:digit:]]*}"
 }
 
 KV_to_int() {
-	local KV_MAJOR=
-	local KV_MINOR=
-	local KV_MICRO=
-	local KV_int=
-	
-	[ -z "$1" ] && return 1
-    
-	KV_MAJOR="$(KV_major "$1")"
-	KV_MINOR="$(KV_minor "$1")"
-	KV_MICRO="$(KV_micro "$1")"
-	KV_int="$((KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO))"
-    
+	[[ -z $1 ]] && return 1
+
+	local KV_MAJOR=$(KV_major "$1")
+	local KV_MINOR=$(KV_minor "$1")
+	local KV_MICRO=$(KV_micro "$1")
+	local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO ))
+
 	# We make version 2.2.0 the minimum version we will handle as
 	# a sanity check ... if its less, we fail ...
-	if [ "${KV_int}" -ge 131584 ]
-	then 
+	if [[ ${KV_int} -ge 131584 ]] ; then
 		echo "${KV_int}"
-
 		return 0
 	fi
 
 	return 1
-}   
+}
 
+_RC_GET_KV_CACHE=""
 get_KV() {
-	local KV="$(uname -r)"
+	[[ -z ${_RC_GET_KV_CACHE} ]] \
+		&& _RC_GET_KV_CACHE=$(uname -r)
 
-	echo "$(KV_to_int "${KV}")"
+	echo $(KV_to_int "${_RC_GET_KV_CACHE}")
 
 	return $?
 }
 
-getcols() {
-	echo "$2"
-}
-
 unset_colors() {
 	COLS="25 80"
 	ENDCOL=
-	
+
 	GOOD=
 	WARN=
 	BAD=
 	NORMAL=
 	HILITE=
 	BRACKET=
-	
-	if [ -n "${EBUILD}" ] && [ "${*/depend}" = "$*" ]; then
-		stty cols 80 &>/dev/null
-		stty rows 25 &>/dev/null
-	fi
 }
 
 set_colors() {
-	COLS="`stty size 2> /dev/null`"
-	COLS="`getcols ${COLS}`"
-	COLS=$((${COLS} - 7))
+	COLS=${COLUMNS:-0}      # bash's internal COLUMNS variable
+	(( COLS == 0 )) && COLS=$(set -- `stty size 2>/dev/null` ; echo $2)
+	(( COLS > 0 )) || (( COLS = 80 ))
+	COLS=$((${COLS} - 7))	# width of [ ok ] == 7
+
 	ENDCOL=$'\e[A\e['${COLS}'G'    # Now, ${ENDCOL} will move us to the end of the
 	                               # column;  irregardless of character width
-	
+
 	GOOD=$'\e[32;01m'
 	WARN=$'\e[33;01m'
 	BAD=$'\e[31;01m'
-	NORMAL=$'\e[0m'
 	HILITE=$'\e[36;01m'
 	BRACKET=$'\e[34;01m'
+	NORMAL=$'\e[0m'
 }
 true
-- 
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