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