From 2ef74a4c8dd1ef5dab77264c7a9f2d85a3d5fb19 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Fri, 13 Jan 2006 07:58:05 +0000
Subject: clean up coding style/quoting, figure out what objdump to run same as
 strip, and add support for STRIP_MASK

svn path=/main/trunk/; revision=2561
---
 bin/prepstrip | 52 +++++++++++++++++++++++++++++++++-------------------
 1 file changed, 33 insertions(+), 19 deletions(-)

(limited to 'bin/prepstrip')

diff --git a/bin/prepstrip b/bin/prepstrip
index f93fe9eaa..2cff7a42b 100755
--- a/bin/prepstrip
+++ b/bin/prepstrip
@@ -3,13 +3,17 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Id: /var/cvsroot/gentoo-src/portage/bin/prepstrip,v 1.23.2.3 2005/08/15 02:58:20 vapier Exp $
 
-if [ "${FEATURES//*nostrip*/true}" == "true" ] || [ "${RESTRICT//*nostrip*/true}" == "true" ] ; then
-	echo "nostrip"
+if [[ " ${FEATURES} " == *" nostrip "* ]] || \
+   [[ " ${RESTRICT} " == *" nostrip "* ]] || \
+   [[ " ${RESTRICT} " == *" strip "* ]]
+then
 	exit 0
 fi
 
-STRIP="${STRIP:-${CHOST}-strip}"
+STRIP=${STRIP:-${CHOST}-strip}
 type -p -- ${STRIP} > /dev/null || STRIP=strip
+OBJCOPY=${OBJCOPY:-${CHOST}-objcopy}
+type -p -- ${OBJCOPY} > /dev/null || OBJCOPY=objcopy
 
 PORTAGE_STRIP_FLAGS=${PORTAGE_STRIP_FLAGS:---strip-unneeded}
 
@@ -19,42 +23,52 @@ save_elf_debug() {
 	local x=$1
 	local y="${D}/usr/lib/debug/${x:${#D}:${#x}}"
 
-	[ "${FEATURES//*splitdebug*/true}" != "true" ] && return 0
+	[[ " ${FEATURES} " != *" splitdebug "* ]] && return 0
 
 	# dont save debug info twice.
-	[ "${x:7}" == ".debug" ] && return 0
+	[[ ${x:7} == ".debug" ]] && return 0
 
-	mkdir -p $(dirname ${y})
-	${CHOST}-objcopy --only-keep-debug ${x} ${y}.debug
-	${CHOST}-objcopy --add-gnu-debuglink=${y}.debug ${x}
+	mkdir -p $(dirname "${y}")
+	${OBJCOPY} --only-keep-debug ${x} ${y}.debug
+	${OBJCOPY} --add-gnu-debuglink=${y}.debug ${x}
 
-	[ "${FEATURES//*installsources*/true}" != "true" ] && return 0
+	[[ " ${FEATURES} " != *" installsources "* ]] && return 0
 
-	if [ -x /usr/bin/debugedit ] ; then
-		debugedit -b ${WORKDIR} -d /usr/src/debug/${P} -l ${T}/debug.sources "$x"
-		if [ -s ${T}/debug.sources ]; then 
-			[ -d ${D}/usr/src/debug/${P} ] || mkdir -p ${D}/usr/src/debug/${P}
-			cat ${T}/debug.sources | (cd ${WORKDIR}; LANG=C sort -z -u | xargs -0 -- cp --parents -p --target-directory="${D}/usr/src/debug/${P}" )
+	if [[ -x "/usr/bin/debugedit" ]] ; then
+		debugedit -b "${WORKDIR}" -d /usr/src/debug/${PF} -l "${T}"/debug.sources "${x}"
+		if [[ -s ${T}/debug.sources ]] ; then 
+			[[ -d ${D}/usr/src/debug/${P} ]] || mkdir -p "${D}/usr/src/debug/${PF}"
+			cat "${T}"/debug.sources | (cd "${WORKDIR}"; LANG=C sort -z -u | xargs -0 -- cp --parents -p --target-directory="${D}/usr/src/debug/${P}" )
 		fi
 	fi
 }
 
-for x in $(scanelf -yRBF%F "$@") $(for y in "$@"; do find $y -type f -name '*.a' -print0 ; done); do
-	if [ ${banner} -eq 1 ] ; then
+for x in $(scanelf -yRBF%F "$@") $(for y in "$@"; do find "${y}" -type f -name '*.a' -print0 ; done); do
+	if [[ ${banner} -eq 1 ]] ; then
 		echo "strip: ${STRIP} ${PORTAGE_STRIP_FLAGS}"
 		banner=0
 	fi
 
 	f=$(file "${x}") || continue
-	[ -z "${f}" ] && continue
+	[[ -z ${f} ]] && continue
+
+	# The noglob funk is to support STRIP_MASK="/*/booga" and to keep
+	#  the for loop from expanding the globs.
+	# The eval echo is to support STRIP_MASK="/*/{booga,bar}" sex.
+	set -o noglob
+	skipstrip=0
+	for m in $(eval echo ${STRIP_MASK}) ; do
+		[[ ${x} == ${m} ]] && skipstrip=1 && break
+	done
+	set +o noglob
 
 	if [[ ${f} == *"current ar archive"* ]] ; then
 		echo "   ${x:${#D}:${#x}}"
-		${STRIP} -g "${x}"
+		[[ ${skipstrip} -eq 1 ]] && ${STRIP} -g "${x}"
 	fi
 	if [[ ${f} == *"SB executable"* || ${f} == *"SB shared object"* ]] ; then
 		echo "   ${x:${#D}:${#x}}"
 		save_elf_debug "${x}"
-		${STRIP} ${PORTAGE_STRIP_FLAGS} "${x}"
+		[[ ${skipstrip} -eq 1 ]] && ${STRIP} ${PORTAGE_STRIP_FLAGS} "${x}"
 	fi
 done
-- 
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