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#!/bin/bash -xv |
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# sort of a changelog if you want to call it that... |
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# version 1.2 - swtaylor gave some good pointers on making the tmp files, as well as reminding me of grep's -f functionality :) |
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# version 1.1 - Mr. Bones gave a lot of good input on cleaning up the script |
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# Version 1 - stuff |
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|
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# First and foremost - make sure we have a perl to work with... |
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PERL=$(which perl) |
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if [ "${PERL}x" == "x" ]; then |
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echo "NO PERL INSTALLED!! (at least not in your path)" |
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exit |
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fi |
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eval $(perl '-V:version') |
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PERL_VERSION=${version} |
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|
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source /sbin/functions.sh || { |
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echo "$0: Could not source /sbin/functions.sh!" |
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exit 1 |
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} |
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|
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TMPDIR=${TMPDIR:-/tmp} |
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|
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PKGDIR=$(/usr/bin/portageq vdb_path) |
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DATESTAMP=$(date +"%Y%m%d%H%M%S") |
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LOG=$(mktemp ${TMPDIR}/perl-cleaner.log.$DATESTAMP.XXXXXXXXXX) |
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PAGER=${PAGER:-more} |
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|
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# Set up our temporary files |
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MODULES_LIST=$(mktemp ${TMPDIR}/modules.list.XXXXXXXXXX) |
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EBUILDS_PREINSTALL=$(mktemp ${TMPDIR}/ebuilds.preinstall.XXXXXXXXXX) |
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EBUILDS_ORDERED=$(mktemp ${TMPDIR}/ebuilds.ordered.XXXXXXXXXX) |
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EBUILDS_REINSTALL=$(mktemp ${TMPDIR}/ebuilds.reinstall.XXXXXXXXXX) |
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|
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function postclean { |
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for FILE in ${MODULES_LIST} ${EBUILDS_PREINSTALL} ${EBUILDS_ORDERED} ${EBUILDS_REINSTALL}; do |
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|
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if [ -f $FILE ]; then |
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rm -f $FILE |
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fi |
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|
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done |
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|
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if [ -s $LOG ]; then |
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echo |
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echo "For a complete log, please read $LOG" |
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echo |
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else |
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if [ -f $LOG ]; then |
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rm -f $LOG |
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fi |
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fi |
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} |
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|
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# This is to clean out the old .ph files generated in our last perl install |
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function ph_clean() { |
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echo "$(date) : Beginning a clean up of .ph files" | tee -a $LOG |
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|
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INC=$(perl -e 'for $line (@INC) { next if $line eq "."; next if $line =~ m/'${PERL_VERSION}'/; print "$line\n" }') |
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|
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echo "Locating ph files for removal" |
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for file in $(find $INC -name "*.ph" -type f 2>/dev/null); do |
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if [ ! $(echo "$file"|grep $PERL_VERSION) ]; then |
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echo "$(date) : Removing old ph file: $file" | tee -a $LOG |
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rm $file |
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fi |
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done |
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|
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# Silently remove those dirs that we just emptied |
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find $INC -depth -type d 2>/dev/null | xargs -r rmdir 2>/dev/null |
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} |
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|
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# Generate ph files; this is useful if we've upgraded packages with headers so that perl knows the new info |
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function ph_update() { |
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echo "$(date) : Updating ph files" | tee -a $LOG |
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cd /usr/include; h2ph * sys/* arpa/* netinet/* bits/* security/* asm/* gnu/* linux/* | tee -a $LOG |
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cd /usr/include/linux; h2ph * | tee -a $LOG |
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} |
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|
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|
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# Build a list of modules installed under older perls - only valid if the module was an ebuild :) |
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function module_list() { |
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echo "$(date) : Building list of modules for reinstall" | tee -a $LOG |
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echo "Locating modules for reinstall" |
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for checkfile in `find $PKGDIR -maxdepth 3 -mindepth 3 -name "CONTENTS" |xargs grep -l /usr/$(get_libdir)/perl5 `; do |
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if [ "`grep -l "${PERL_VERSION}" $checkfile`x" = "x" ]; then |
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echo "$checkfile" >> ${MODULES_LIST} |
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fi; |
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done |
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} |
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|
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function alternate_module_list() { |
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# Takes longer to run, but identifes modules not associated with |
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# an ebuild. |
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# |
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# Reset INC - INC is dynamically generated, and if we removed any ph |
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# files - and they were the only thing left in a dir - then there's |
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# no sense in revisiting that dir |
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echo "$(date) : Building list of modules for reinstall" | tee -a $LOG |
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INC=$(perl -e 'for $line (@INC) { next if $line eq "."; next if $line =~ m/'${PERL_VERSION}'/; print "$line\n" }') |
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INSTALLED_EBUILDS=$(find $PKGDIR -name CONTENTS) |
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echo "Locating modules for reinstall" |
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for file in $(find $INC -iname "*.pm" \! -type f 2>/dev/null | grep -v "${PERL_VERSION}"| sort -u); do |
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PKG=$(for ebuild in $INSTALLED_EBUILDS; do if grep -l $file $ebuild; then break; fi; done) |
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if [ -z "$PKG" ] ; then |
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echo "Warning: $file is not owned by a currently installed ebuild" |
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else |
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echo "$PKG" >>${MODULES_LIST} |
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fi |
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done |
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} |
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|
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# The meat of it - rebuilding the ebuilds |
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# ALL emerges are oneshots - we don't want to mess with the world file |
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# We first attempt to emerge the specific module that was installed last time |
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# If that fails, we attempt to install a newer version |
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|
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function ebuild_rebuild() { |
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|
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echo "$(date) : Rebuilding modules: Building list of ebuilds" | tee -a $LOG |
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if [ -s ${MODULES_LIST} ]; then |
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for line in $(sort -u ${MODULES_LIST}); do |
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echo "$line"|sed -e 's|.*pkg/||' -e 's|/CONTENTS||'|grep -v "dev-lang/perl" >>${EBUILDS_PREINSTALL} |
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done |
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fi |
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# If they asked for interactive, let them see what will be reinstalled |
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if [ -s ${EBUILDS_PREINSTALL} ]; then |
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|
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if [ ! -z $ASK ]; then |
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echo "Press Enter to see the list of ebuilds we'll be evaluating" |
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read key |
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$PAGER ${EBUILDS_PREINSTALL} |
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printf "Continue? (Y/N) " |
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read ANSWER |
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if [ $(echo "${ANSWER}" | egrep -e "^n|N" ) ]; then |
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echo "$(date) : USER ABORTED REBUILD">>$LOG |
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exit |
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fi |
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fi |
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|
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for EBUILD in $(cat ${EBUILDS_PREINSTALL} ); do |
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if emerge --oneshot -p "=$EBUILD"|egrep -q ".*ebuilds.*satisfy"; then |
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if emerge --oneshot -p ">=$EBUILD"|egrep -q ".*ebuilds.*satisfy"; then |
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echo "$(date) : There are no unmasked ebuilds to satisfy $EBUILD. Skipping" | tee -a $LOG |
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sleep 2 |
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else |
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if [ ! -z $ASK ]; then |
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printf "${EBUILD} isn't available, but a new version is. Install? (Y/N) " |
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read ANSWER |
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if [ $(echo "${ANSWER}" | egrep -e "^y|Y" ) ]; then |
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echo ">=$EBUILD" >> ${EBUILDS_ORDERED} |
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echo "$(date) : User chose to install >=${EBUILD}">>$LOG |
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fi |
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else |
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echo ">=$EBUILD" >>${EBUILDS_ORDERED} |
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fi |
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fi |
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else |
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echo "=$EBUILD">>${EBUILDS_ORDERED} |
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fi |
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done |
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|
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if [ -s ${EBUILDS_ORDERED} ]; then |
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if [ ! -z $ASK ]; then |
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echo "Press Enter to see the final list of ebuilds to install" |
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read key |
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$PAGER ${EBUILDS_ORDERED} |
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printf "Continue? (Y/N) " |
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read ANSWER |
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if [ $(echo "${ANSWER}" | egrep -e "^n|N" ) ]; then |
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echo "$(date) : USER ABORTED REBUILD">>$LOG |
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exit |
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fi |
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fi |
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|
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# Cut down to one line so portage can handle ordering these appropriately |
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emerge -p --oneshot $(cat ${EBUILDS_ORDERED} ) | grep ebuild | sed -e 's:\([^ ]\+\):=\1:g' -e 's:.*\] \([^ ]*\) .*:\1:'>>${EBUILDS_REINSTALL} |
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|
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echo "Reinstalling ebuilds" |
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echo "$(date) : Ebuilds to reinstall: ">>$LOG |
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cat ${EBUILDS_REINSTALL}>>$LOG |
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echo >>$LOG |
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|
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# Now that we have them in the right order, emerge them one at a time |
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# This is to avoid problems if one doesn't emerge correctly |
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|
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for EBUILD in $(cat ${EBUILDS_REINSTALL}); do |
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emerge --oneshot ${EMERGE_OPTIONS} "$EBUILD" |
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done |
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else |
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echo |
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echo "Nothing to reinstall!" |
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echo |
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fi |
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else |
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echo |
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echo "Nothing to reinstall!" |
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echo |
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fi |
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|
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} |
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|
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# Locate .so's and binaries linked against libperl.so |
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# The coup is in ! -newer libperl.so - cut out anything that was obviously installed |
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# after our last install of libperl, which should cut out the false positives. |
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|
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function libperl_list() { |
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echo "$(date) : Locating ebuilds linked against libperl" | tee -a $LOG |
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for i in $(find $(egrep -v "^#" /etc/ld.so.conf) -type f -name '*.so*' ! -newer /usr/$(get_libdir)/libperl.so 2>/dev/null) \ |
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$(find $(echo $PATH | sed 's/:/ /g') -type f -perm +0111 ! -newer /usr/$(get_libdir)/libperl.so 2>/dev/null) ; |
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do |
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if [ -f ${i} ]; then |
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ldd ${i} 2>&1 | grep "libperl" - >/dev/null && grep -l " $i " $PKGDIR/*/*/CONTENTS>>${MODULES_LIST}; |
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fi |
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done |
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|
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} |
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|
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# Assuming a successful module run, look to see whats left over |
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function leftovers() { |
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echo "$(date) : Finding left over modules" | tee -a $LOG |
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|
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echo "$(date) : The following files remain. These were either installed by hand" | tee -a $LOG |
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echo "$(date) : or edited. This script cannot deal with them." | tee -a $LOG |
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echo | tee -a $LOG |
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|
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|
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INC=$(perl -e 'for $line (@INC) { next if $line eq "."; next if $line =~ m/'${PERL_VERSION}'/; print "$line\n" }') |
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for file in $(find $INC -type f 2>/dev/null |grep -v "${PERL_VERSION}" ) ; do |
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echo "$(date) : ${file}" | tee -a $LOG |
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done |
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} |
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|
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function usage() { |
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echo "Usage: $0 [options] [ask]" |
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printf "\tmodules - rebuild perl modules for old installs of perl\n" |
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printf "\tallmodules - rebuild perl modules for any install of perl\n" |
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printf "\tlibperl - rebuild anything linked against libperl\n" |
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printf "\tph-clean - clean out old ph files from a previous perl\n" |
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printf "\tphupdate - update existing ph files, useful after an upgrade to system parts like the kernel\n" |
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printf "\tphall - clean out old ph files and run phupdate\n" |
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printf "\tall - rebuild modules, libperl linkages, clean ph files, and rebuild them\n" |
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printf "\treallyall - rebuild modules for any install of perl, libperl linkages, clean ph files, and rebuild them\n" |
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printf "\n" |
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printf "\task - ask for confirmation on each emerge" |
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printf "\n\n" |
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exit 0 |
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} |
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|
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if [ -z "$1" ]; then |
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usage |
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fi |
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|
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EMERGE_OPTIONS="" |
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ASK="" |
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MODULES=false |
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LIBPERL=false |
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PHCLEAN=false |
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PHUPDATE=false |
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FORCE=false |
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LEFTOVERS=false |
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while [ ! -z "$1" ] ; do |
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case "$1" in |
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help | --help | -h ) |
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usage |
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;; |
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leftovers ) |
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LEFTOVERS=true |
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shift |
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;; |
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modules ) |
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MODULES=true |
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# LEFTOVERS=true |
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shift |
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;; |
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allmodules ) |
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MODULES=true |
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FORCE=true |
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shift |
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;; |
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libperl ) |
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LIBPERL=true |
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shift |
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;; |
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ph-clean ) |
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PHCLEAN=true |
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shift |
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;; |
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phupdate ) |
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PHUPDATE=true |
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shift |
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;; |
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phall ) |
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PHCLEAN=true |
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PHUPDATE=true |
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shift |
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;; |
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all ) |
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MODULES=true |
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LIBPERL=true |
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PHCLEAN=true |
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PHUPDATE=true |
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LEFTOVERS=true |
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shift |
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;; |
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reallyall ) |
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MODULES=true |
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LIBPERL=true |
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PHCLEAN=true |
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PHUPDATE=true |
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FORCE=true |
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shift |
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;; |
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ask ) |
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ASK="true" |
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EMERGE_OPTIONS="${EMERGE_OPTIONS} --ask" |
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shift |
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;; |
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force ) |
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FORCE=true |
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shift |
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;; |
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* ) |
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EMERGE_OPTIONS="${EMERGE_OPTIONS} $1" |
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shift |
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;; |
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esac |
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done |
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|
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$FORCE && PERL_VERSION="0.0.0" |
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$PHCLEAN && ph_clean |
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$PHUPDATE && ph_update |
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$MODULES && module_list |
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$LIBPERL && libperl_list |
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($MODULES || $LIBPERL) && ebuild_rebuild |
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$LEFTOVERS && leftovers |
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|
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#postclean |
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|
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exit |
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