diff options
Diffstat (limited to 'source/a/pkgtools/scripts/removepkg')
| -rw-r--r-- | source/a/pkgtools/scripts/removepkg | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/source/a/pkgtools/scripts/removepkg b/source/a/pkgtools/scripts/removepkg new file mode 100644 index 000000000..8b5a911dd --- /dev/null +++ b/source/a/pkgtools/scripts/removepkg @@ -0,0 +1,430 @@ +#!/bin/sh +# Slackware remove package script +# +# Sat Apr 25 21:18:53 UTC 2009 (12.34567890b) +# Converted to use new pkgbase() function to remove pathname and +# valid package extensions. +# +# Revision 12.34567890 Sun Apr 5 20:59:32 CDT 2009 <volkerdi> +# - Support packages with the extensions: .tgz, .tbz, .tlz, .txz +# +# Revision 1.9 Wed Oct 31 14:04:28 CDT 2007 volkerding +# - Fix problem removing packages with a large number of fields. +# Thanks to Niki Kovacs for noticing this, and to Piter Punk +# for the patch. +# - Use LC_ALL=C locale, which is much faster with "sort". +# Thanks to Tsomi. +# - Don't try to remove any package that starts with '-'. This +# is not a proper package name (usually a typo), and results +# in the package database being broken. Thanks to Jef Oliver. +# - Patched cat_except() to allow the last Slackware package on +# a partition to be removed (using ROOT=, of course) +# Thanks to Selkfoster for the patch, and to everyone else who +# proposed solutions before. This issue really wasn't given +# the highest priority before, but I figured while I'm in here... +# +# Revision 1.8 Thu Nov 22 14:00:13 PST 2001 volkerding Rel $ +# - Move $TMP underneath $ROOT +# - Understand the idea of a base package name, so that packages +# can be removed with any of these notations: +# removepkg foo-1.0-i386-1.tgz +# removepkg foo-1.0-i386-1 +# removepkg foo.tgz +# removepkg foo +# +# Revision 1.7 2001/03/30 12:36:28 volkerding +# - Strip extra ".tgz" from input names. +# +# Revision 1.6 1999/03/25 18:26:41 volkerding +# - Use external $ROOT variable, like installpkg. +# +# Revision 1.5.1 1998/03/18 15:37:28 volkerding +# - Since removepkg is always run by root, the temp directory has been +# moved from /tmp to a private directory to avoid symlink attacks from +# malicious users. +# +# Revision 1.5 1997/06/26 12:09:53 franke +# - Fixed old bug in TRIGGER regex setting +# - -preserve/-copy options now preserve non-unique files +# and empty directories also +# +# Revision 1.4 1997/06/09 13:21:36 franke +# - Package file preserve (-preserve, -copy) added. +# - Don't execute "rm -rf" lines from doinst.sh, removing links explicit. +# - Warning on no longer existing files added. +# - Warning on files changed after package installation added. +# - Intermediate file preserve (-keep) added. +# - Check for required files/links now done on a combined list. +# - Write access to /var/log/{packages,scripts} no longer necessary for -warn. +# +# Revision 1.3 1997/06/08 13:03:05 franke +# Merged with revision 1.1.1.1 +# +# Revision 1.2 1996/06/01 20:04:26 franke +# Delete empty directories & formated manual pages added +# +# Revision 1.1.1.1 1995/12/18 21:20:42 volkerding +# Original Version from Slackware 3.1 +# +# Revision 1.1 1995/06/05 22:49:11 volkerding +# Original Version from Slackware 3.0 +# + +# Copyright 1994, 1995, 1998 Patrick Volkerding, Moorhead, Minnesota USA +# Copyright 2001, Slackware Linux, Inc., Concord, CA USA +# Copyright 2009 Patrick J. Volkerding, Sebeka, MN, USA +# All rights reserved. +# +# Redistribution and use of this script, with or without modification, is +# permitted provided that the following conditions are met: +# +# 1. Redistributions of this script must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED +# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +# Return a package name that has been stripped of the dirname portion +# and any of the valid extensions (only): +pkgbase() { + PKGEXT=$(echo $1 | rev | cut -f 1 -d . | rev) + case $PKGEXT in + 'tgz' ) + PKGRETURN=$(basename $1 .tgz) + ;; + 'tbz' ) + PKGRETURN=$(basename $1 .tbz) + ;; + 'tlz' ) + PKGRETURN=$(basename $1 .tlz) + ;; + 'txz' ) + PKGRETURN=$(basename $1 .txz) + ;; + *) + PKGRETURN=$(basename $1) + ;; + esac + echo $PKGRETURN +} + +# This makes "sort" run much faster: +export LC_ALL=C + +# Make sure there's a proper temp directory: +TMP=$ROOT/var/log/setup/tmp +# If the $TMP directory doesn't exist, create it: +if [ ! -d $TMP ]; then + rm -rf $TMP # make sure it's not a symlink or something stupid + mkdir -p $TMP + chmod 700 $TMP # no need to leave it open +fi +ADM_DIR=$ROOT/var/log +PRES_DIR=$TMP/preserved_packages + +# This simple cat_except() should be used on the installer, +# since the busybox "find" can't handle the complex find +# syntax: +#cat_except() { +# ( cd "$1" && cat $(ls * | sed "/^$2\$/d")) +#} + +# This version of cat_except() allows the last package to be +# removed when ROOT= is used: +cat_except() { + ( cd "$1" && \ + if [ $(find . -type f -maxdepth 1 | wc -l) -ne 1 ]; then + cat $(find . -type f -maxdepth 1 | grep -v "$2") + fi + ) +} + +extract_links() { + sed -n 's,^( *cd \([^ ;][^ ;]*\) *; *rm -rf \([^ )][^ )]*\) *) *$,\1/\2,p' +} + +preserve_file() { + if [ "$PRESERVE" = "true" ]; then + F="$(basename "$1")" + D="$(dirname "$1")" + if [ ! -d "$PRES_DIR/$PKGNAME/$D" ]; then + mkdir -p "$PRES_DIR/$PKGNAME/$D" || return 1 + fi + cp -p "$ROOT/$D/$F" "$PRES_DIR/$PKGNAME/$D" || return 1 + fi + return 0 +} + +preserve_dir() { + if [ "$PRESERVE" = "true" ]; then + if [ ! -d "$PRES_DIR/$PKGNAME/$1" ]; then + mkdir -p "$PRES_DIR/$PKGNAME/$1" || return 1 + fi + fi + return 0 +} + +keep_files() { + while read FILE ; do + if [ ! -d "$ROOT/$FILE" ]; then + if [ -r "$ROOT/$FILE" ]; then + echo " --> $ROOT/$FILE was found in another package. Skipping." + preserve_file "$FILE" + else + if [ "$(echo $FILE | cut -b1-8)" != "install/" ]; then + echo "WARNING: Nonexistent $ROOT/$FILE was found in another package. Skipping." + fi + fi + else + preserve_dir "$FILE" + fi + done +} + +keep_links() { + while read LINK ; do + if [ -L "$ROOT/$LINK" ]; then + echo " --> $ROOT/$LINK (symlink) was found in another package. Skipping." + else + echo "WARNING: Nonexistent $ROOT/$LINK (symlink) was found in another package. Skipping." + fi + done +} + +delete_files() { + while read FILE ; do + if [ ! -d "$ROOT/$FILE" ]; then + if [ -r "$ROOT/$FILE" ]; then + if [ "$ROOT/$FILE" -nt "$ADM_DIR/packages/$PKGNAME" ]; then + echo "WARNING: $ROOT/$FILE changed after package installation." + fi + if [ ! "$WARN" = "true" ]; then + echo " --> Deleting $ROOT/$FILE" + preserve_file "$FILE" && rm -f "$ROOT/$FILE" + else + echo " --> $ROOT/$FILE would be deleted" + preserve_file "$FILE" + fi + else + echo " --> $ROOT/$FILE no longer exists. Skipping." + fi + else + preserve_dir "$FILE" + fi + done +} + +delete_links() { + while read LINK ; do + if [ -L "$ROOT/$LINK" ]; then + if [ ! "$WARN" = "true" ]; then + echo " --> Deleting symlink $ROOT/$LINK" + rm -f $ROOT/$LINK + else + echo " --> $ROOT/$LINK (symlink) would be deleted" + fi + else + echo " --> $ROOT/$LINK (symlink) no longer exists. Skipping." + fi + done +} + +delete_dirs() { + sort -r | \ + while read DIR ; do + if [ -d "$ROOT/$DIR" ]; then + if [ ! "$WARN" = "true" ]; then + if [ $(ls -a "$ROOT/$DIR" | wc -l) -eq 2 ]; then + echo " --> Deleting empty directory $ROOT/$DIR" + rmdir "$ROOT/$DIR" + else + echo "WARNING: Unique directory $ROOT/$DIR contains new files" + fi + else + echo " --> $ROOT/$DIR (dir) would be deleted if empty" + fi + fi + done +} + +delete_cats() { + sed -n 's,/man\(./[^/]*$\),/cat\1,p' | \ + while read FILE ; do + if [ -f "$ROOT/$FILE" ]; then + if [ ! "$WARN" = "true" ]; then + echo " --> Deleting $ROOT/$FILE (fmt man page)" + rm -f $ROOT/$FILE + else + echo " --> $ROOT/$FILE (fmt man page) would be deleted" + fi + fi + done +} + +package_name() { + STRING=$(pkgbase $1) + # If we don't do this, commands run later will take the '-' to be an option + # and will destroy the package database. Packages should not contain spaces + # in them. Normally this type of problem results from a command line typo. + if [ "$(echo $STRING | cut -b 1)" = "-" ]; then + STRING="malformed-package-name-detected" + fi + # Check for old style package name with one segment: + if [ "$(echo $STRING | cut -f 1 -d -)" = "$(echo $STRING | cut -f 2 -d -)" ]; then + echo $STRING + else # has more than one dash delimited segment + # Count number of segments: + INDEX=1 + while [ ! "$(echo $STRING | cut -f $INDEX -d -)" = "" ]; do + INDEX=$(expr $INDEX + 1) + done + INDEX=$(expr $INDEX - 1) # don't include the null value + # If we don't have four segments, return the old-style (or out of spec) package name: + if [ "$INDEX" = "2" -o "$INDEX" = "3" ]; then + echo $STRING + else # we have four or more segments, so we'll consider this a new-style name: + NAME=$(expr $INDEX - 3) + NAME="$(echo $STRING | cut -f 1-$NAME -d -)" + echo $NAME + # cruft for later ;) + #VER=$(expr $INDEX - 2) + #VER="$(echo $STRING | cut -f $VER -d -)" + #ARCH=$(expr $INDEX - 1) + #ARCH="$(echo $STRING | cut -f $ARCH -d -)" + #BUILD="$(echo $STRING | cut -f $INDEX -d -)" + fi + fi +} + +# Conversion to 'comm' utility by Mark Wisdom. +# is pretty nifty! :^) +remove_packages() { + for PKGLIST in $* + do + PKGNAME=$(pkgbase $PKGLIST) + echo + # If we don't have a package match here, then we will attempt to find + # a package using the long name format (name-version-arch-build) for + # which the base package name was given. On a properly-managed machine, + # there should only be one package installed with a given basename, but + # we don't enforce this policy. If there's more than one, only one will + # be removed. If you want to remove them all, you'll need to run + # removepkg again until it removes all the same-named packages. + if [ ! -e $ADM_DIR/packages/$PKGNAME ]; then + SHORT="$(package_name $PKGNAME)" + for long_package in $ADM_DIR/packages/${PKGNAME}* ; do + if [ "$SHORT" = "$(package_name $long_package)" ]; then + PKGNAME="$(basename $long_package)" + fi + done + fi + + if [ ! -e $ADM_DIR/packages/$PKGNAME ]; then + long_package=$(ls -1 $ADM_DIR/packages/${PKGNAME}* | grep -m 1 "${PKGNAME}-[^-]*-[^-]*-[^-]*$") + if [ -e "$long_package" ]; then + PKGNAME=$(basename $long_package) + fi + fi + + if [ -r $ADM_DIR/packages/$PKGNAME ]; then + if [ ! "$WARN" = true ]; then + echo "Removing package $ADM_DIR/packages/$PKGNAME..." + fi + if fgrep "./" $ADM_DIR/packages/$PKGNAME 1> /dev/null 2>&1; then + TRIGGER="^\.\/" + else + TRIGGER="FILE LIST:" + fi + if [ ! "$WARN" = true ]; then + echo "Removing files:" + fi + sed -n "/$TRIGGER/,/^$/p" < $ADM_DIR/packages/$PKGNAME | \ + fgrep -v "FILE LIST:" | sort -u > $TMP/delete_list$$ + # Pat's new-new && improved pre-removal routine. + cat_except $ADM_DIR/packages $PKGNAME | sort -u > $TMP/required_list$$ + if [ -r $ADM_DIR/scripts/$PKGNAME ]; then + extract_links < $ADM_DIR/scripts/$PKGNAME | sort -u > $TMP/del_link_list$$ + cat_except $ADM_DIR/scripts $PKGNAME | extract_links | \ + sort -u > $TMP/required_links$$ + mv $TMP/required_list$$ $TMP/required_files$$ + sort -u $TMP/required_links$$ $TMP/required_files$$ > $TMP/required_list$$ + comm -12 $TMP/del_link_list$$ $TMP/required_list$$ | keep_links + comm -23 $TMP/del_link_list$$ $TMP/required_list$$ | delete_links + else + cat $ADM_DIR/scripts/* | extract_links | \ + sort -u > $TMP/required_links$$ + mv $TMP/required_list$$ $TMP/required_files$$ + sort -u $TMP/required_links$$ $TMP/required_files$$ >$TMP/required_list$$ + fi + comm -12 $TMP/delete_list$$ $TMP/required_list$$ | keep_files + comm -23 $TMP/delete_list$$ $TMP/required_list$$ > $TMP/uniq_list$$ + delete_files < $TMP/uniq_list$$ + delete_dirs < $TMP/uniq_list$$ + delete_cats < $TMP/uniq_list$$ + if [ ! "$KEEP" = "true" ]; then + rm -f $TMP/delete_list$$ $TMP/required_files$$ $TMP/uniq_list$$ + rm -f $TMP/del_link_list$$ $TMP/required_links$$ $TMP/required_list$$ + fi + if [ "$PRESERVE" = "true" ]; then + if [ -r $ADM_DIR/scripts/$PKGNAME ]; then + if [ ! -d "$PRES_DIR/$PKGNAME/install" ]; then + mkdir -p "$PRES_DIR/$PKGNAME/install" + fi + cp -p $ADM_DIR/scripts/$PKGNAME $PRES_DIR/$PKGNAME/install/doinst.sh + fi + fi + if [ ! "$WARN" = "true" ]; then + for DIR in $ADM_DIR/removed_packages $ADM_DIR/removed_scripts ; do + if [ ! -d $DIR ] ; then mkdir -p $DIR ; chmod 755 $DIR ; fi + done + mv $ADM_DIR/packages/$PKGNAME $ADM_DIR/removed_packages + if [ -r $ADM_DIR/scripts/$PKGNAME ]; then + mv $ADM_DIR/scripts/$PKGNAME $ADM_DIR/removed_scripts + fi + fi + else + echo "No such package: $ADM_DIR/packages/$PKGNAME. Can't remove." + fi + done +} + +if [ "$#" = "0" ]; then + echo "Usage: $(basename $0) [-copy] [-keep] [-preserve] [-warn] packagename ..."; exit 1 +fi + +while : ; do + case "$1" in + -copy | --copy) WARN=true; PRESERVE=true; shift;; + -keep | --keep) KEEP=true; shift;; + -preserve | --preserve) PRESERVE=true; shift;; + -warn | --warn) WARN=true; shift;; + -* | --*) echo "Usage: $(basename $0) [-copy] [-keep] [-preserve] [-warn] packagename ..."; exit 1;; + *) break + esac +done + +if [ "$WARN" = "true" ]; then + echo "Only warning... not actually removing any files." + if [ "$PRESERVE" = "true" ]; then + echo "Package contents is copied to $PRES_DIR." + fi + echo "Here's what would be removed (and left behind) if you" + echo "removed the package(s):" + echo +else + if [ "$PRESERVE" = "true" ]; then + echo "Package contents is copied to $PRES_DIR." + fi +fi + +remove_packages $* + |