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python-updater
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2005-10-18
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#!/bin/sh
#
# A bit of hackery to update everything that is humanly possible
# that maybe related to an older version of python. This script can
# be run as many times as you like. It will log the results in
# /tmp/python-updater.log
#
# OLD_PY_VER = old python version we are upgrading from
# NEW_PY_VER = new python version we are upgrading to
# PKGS_EXCEPTIONS = packages that should NOT be re-emerged for any reason
# PKGS_MANUAL = packages that should be re-emerged even if they don't
# fit the criteria (eg. ones that have python compiled
# statically) - FIXME
#
# Runtime Variables:
#
# PKGS_TO_REMERGE = list of packages we deem to need re-emerging
# PKGS_OK = list of packages that should be merged without any problems
# PKGS_MISSING = list of packages that are installed, but cannot be merged
# because they have been pruned from portage
# PKGS_MASKED = list of packages that are installed, but masked.
#
NEW_PY_VER=$(python -V 2>&1 | sed 's:Python ::' | cut -d. -f1-2)
PKGS_EXCEPTIONS="dev-lang/python sys-apps/portage"
PKGS_MANUAL="app-office/gnumeric app-office/dia x11-libs/vte"
LOGFILE="/var/log/python-updater.log"
# portage variables
PKG_DBDIR=/var/db/pkg
PORTDIR=`portageq portdir`
PORTDIR_OVERLAYS=`portageq portdir_overlay`
PRETEND=0
PKGS_TO_REMERGE=""
PKGS_COUNT_REMERGE=0
PORTAGE_PYTHON="/usr/bin/python"
# load the gentoo-style info macros, but hack to get around
# it thinking this is an rc script
EBUILD="1"
source /sbin/functions.sh
for old in 2.4 2.3 2.2 2.1; do
if [ "${old}" != "${NEW_PY_VER}" ]; then
if [ -e /usr/bin/python${old} ] ; then
OLD_PY_VER=${old}
break;
fi
fi
done
if [ -z "${OLD_PY_VER}" ] ; then
eerror "Can't determine any previous Python version(s)."
exit 1
fi
# misc helper functions
eloginfo() {
einfo $*
DATESTRING=`date +"%Y/%m/%d %H:%M:%S"`
echo "${DATESTRING} - ${*}" >> ${LOGFILE}
}
elogecho() {
echo -n " "
echo $*
DATESTRING=`date +"%Y/%m/%d %H:%M:%S"`
echo "${DATESTRING} - ${*}" >> ${LOGFILE}
}
elogerr() {
eerror $*
DATESTRING=`date +"%Y/%m/%d %H:%M:%S"`
echo "${DATESTRING} ! ${*}" >> ${LOGFILE}
}
elog() {
DATESTRING=`date +"%Y/%m/%d %H:%M:%S"`
echo "${DATESTRING} - ${*}" >> ${LOGFILE}
}
usage() {
echo "usage: python-updater [-h|-p|-o X.X|-n X.X]"
echo " -h help"
echo " -p pretend (don't do anything)"
echo " -o X.X set old python version to upgrade from [default: ${OLD_PY_VER}]"
echo " -n X.X set new python version to upgrade to [default: ${NEW_PY_VER}]"
}
#
# Sanity check
#
if [ -z "${PORTDIR}" ]; then
eerror "Unable to proceed. Can not find PORTDIR. Make sure the command:"
eerror " "
eerror " portageq portdir"
eerror " "
eerror "returns a value. If it doesn't, make sure you have updated to"
eerror "latest portage version."
eerror " "
eerror "Report bugs to http://bugs.gentoo.org/"
exit 1
fi
if [ ! -f ${LOGFILE} ]; then
if ! touch ${LOGFILE} 2>&1 > /dev/null; then
ewarn "Logging disabled due to permissions"
LOGFILE=/dev/null
fi
elif [ ! -w ${LOGFILE} -o ! -L ${LOGFILE} ]; then
ewarn "Logging disabled due to permissions"
LOGFILE=/dev/null
fi
#
#
# Command Line Parsing
#
#
while [ -n "$1" ]; do
case "$1" in
-h)
usage
exit 0
;;
-p)
PRETEND=1
;;
-o)
shift
OLD_PY_VER="$1"
;;
-n)
shift
NEW_PY_VER="$1"
;;
*)
usage
echo "unrecognised option: $1"
;;
esac
shift
done
#
# Test where portage is, in python2.2 or somewhere else?
#
for py in /usr/bin/python /usr/bin/python${OLD_PY_VER} /usr/bin/python${NEW_PY_VER}; do
if ${py} -c "import portage"; then
PORTAGE_PYTHON=${py}
break;
fi
done
#
#
# Find all packages that have installed something in
# /usr/lib/python${OLD_PY_VER}
#
#
OLD_MODULES_DIRS="/usr/lib/python${OLD_PY_VER} /usr/lib32/python${OLD_PY_VER} /usr/lib64/python${OLD_PY_VER}"
OLD_INCLUDE_DIR=/usr/include/python${OLD_PY_VER}
eloginfo "Starting Python Updater from ${OLD_PY_VER} to ${NEW_PY_VER} :"
eloginfo "Searching for packages with files in ${OLD_MODULES_DIRS} .."
# iterate thru all the installed package's contents
for content in `find ${PKG_DBDIR} -name CONTENTS`; do
# extract the category, package name and package version
CATPKGVER=$(echo ${content} | sed "s:${PKG_DBDIR}/\(.*\)/CONTENTS:\1:")
# exclude packages that are an exception, like portage and python itself.
exception=0
for exp in ${PKGS_EXCEPTIONS}; do
if [ -n "$(echo ${CATPKGVER} | grep ${exp})" ]; then
exception=1
break;
fi
done
if [ ${exception} = 1 ]; then
continue;
fi
for OLD_MODULES_DIR in ${OLD_MODULES_DIRS}; do
if fgrep "${OLD_MODULES_DIR}" ${content} > /dev/null; then
PKGS_TO_REMERGE="${PKGS_TO_REMERGE} ${CATPKGVER}"
elogecho "Adding to list: ${CATPKGVER}"
elif fgrep "${OLD_INCLUDE_DIR}" ${content} > /dev/null; then
PKGS_TO_REMERGE="${PKGS_TO_REMERGE} ${CATPKGVER}"
fi
done
done
# now we have to do each emerge seperately because if an installed version
# does not have the corresponding ebuild in portage, then it will bail.
eloginfo "Calculating Upgrade Package List .."
PKGS_OK=""
PKGS_MASKED=""
PKGS_MISSING=""
MASKED_STRING="been masked"
MISSING_STRING="there are no masked or unmasked ebuilds to satisfy"
for pkg in ${PKGS_TO_REMERGE}; do
emerge_output="$(emerge -p \=$pkg 2>&1)"
if $(echo "${emerge_output}" | grep "${MASKED_STRING}" > /dev/null); then
PKGS_MASKED="${PKGS_MASKED} $pkg"
elogecho "$pkg is masked"
elif $(echo "${emerge_output}" | grep "${MISSING_STRING}" > /dev/null); then
PKGS_MISSING="${PKGS_MISSING} $pkg"
elogecho "$pkg is missing from portage"
else
PKGS_OK="${PKGS_OK} $pkg"
PKGS_COUNT_REMERGE=$((PKGS_COUNT_REMERGE + 1))
fi
done
#
# Use my super dumb package reordering algorithm that works most of the time
#
eloginfo "Re-ordering packages to merge .."
PKGS_OK_SORTED="$(${PORTAGE_PYTHON} ${PORTDIR}/dev-lang/python/files/depreorder.py ${PKGS_OK} | xargs)"
eloginfo "Preparing to merge these packages in this order:"
for pkg in $PKGS_OK_SORTED; do
elogecho "$pkg"
done
# we emerge each package seperately to ensure we know exactly which ones might
# cause an error, and then report it at the end
COUNT=1
PKGS_FAILED=""
if [ "${PRETEND}" != "1" ]; then
for pkg in ${PKGS_OK_SORTED}; do
eloginfo "Starting to merge ($COUNT/$PKGS_COUNT_REMERGE) $pkg .."
if ! emerge --oneshot --nodeps =$pkg; then
PKGS_FAILED="${PKGS_FAILED} $pkg"
elogerr "Failed merging $pkg ($COUNT/$PKGS_COUNT_REMERGE)!"
fi
COUNT=$((COUNT+1))
done
fi
# final output stuff
OUTPUT_PKGS_MASKED=""
for pkg in ${PKGS_MASKED}; do OUTPUT_PKGS_MASKED="${OUTPUT_PKGS_MASKED} \=$pkg"; done
OUTPUT_PKGS_MISSING=""
for pkg in ${PKGS_MISSING}; do OUTPUT_PKGS_MISSING="${OUTPUT_PKGS_MISSING} $pkg"; done
OUTPUT_PKGS_FAILED=""
for pkg in ${PKGS_FAILED}; do OUTPUT_PKGS_FAILED="${OUTPUT_PKGS_FAILED} \=$pkg"; done
if [ -n "${PKGS_FAILED}" -o -n "${PKGS_MISSING}" -o -n "${PKGS_MASKED}" ]; then
echo
ewarn "************************************************************"
ewarn "* Packages that still need to be manually emerged : *"
ewarn "************************************************************"
if [ -n "${OUTPUT_PKGS_MASKED}" ]; then
echo
ewarn " Masked Packages:"
ewarn " ----------------"
ewarn " Unmask the following packages (at your own risk) and "
ewarn " emerge them using this command after removing the '-p'"
ewarn " parameter."
echo
ewarn " emerge -p ${OUTPUT_PKGS_MASKED}"
echo
fi
if [ -n "${OUTPUT_PKGS_MISSING}" ]; then
echo
ewarn " Missing Packages:"
ewarn " -----------------"
ewarn " These packages need to be updated because their versions do"
ewarn " not exist in portage anymore."
echo
for x in ${OUTPUT_PKGS_MISSING}; do
echo " ${x}"
done
fi
if [ -n "${OUTPUT_PKGS_FAILED}" ]; then
echo
ewarn " Failed Packaged:"
ewarn " ----------------"
ewarn " These packages have failed and need to be re-emerged again."
ewarn " Alternatively, try re-running this script again to see if it"
ewarn " can be fixed."
echo
ewarn " emerge -p ${OUTPUT_PKGS_FAILED}"
echo
fi
elog "Python update completed with errors."
elog "Masked Packages:"
for x in ${PKGS_MASKED}; do
elog $x
done
elog "Missing Packages:"
for x in ${PKGS_MISSING}; do
elog $x
done
elog "Failed Packages:"
for x in ${PKGS_FAILED}; do
elog $x
done
elog "Update script completed."
else
eloginfo "Python update completed successfully."
fi