diff options
Diffstat (limited to 'testing/source/pkgtools/scripts/removepkg')
| -rw-r--r-- | testing/source/pkgtools/scripts/removepkg | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/testing/source/pkgtools/scripts/removepkg b/testing/source/pkgtools/scripts/removepkg new file mode 100644 index 00000000..b033eebf --- /dev/null +++ b/testing/source/pkgtools/scripts/removepkg @@ -0,0 +1,438 @@ +#!/bin/sh +# Slackware remove package script +# +# Copyright 1994, 1995, 1998 Patrick Volkerding, Moorhead, Minnesota USA +# Copyright 2001, Slackware Linux, Inc., Concord, CA USA +# Copyright 2009, 2015, 2016, 2018 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. +# + +# Tue Jun 5 20:04:45 UTC 2018 +# Use /var/lib/pkgtools for the package database, not /var/log. +# Logs of the removed packages and scripts will remain in /var/log, but moved +# into /var/log/pkgtools. +# +# Sun May 27 18:02:23 UTC 2018 +# Added --terse mode to print one line per removed package. +# +# Wed May 23 17:31:23 UTC 2018 +# Use file locking to prevent more than one copy of ldconfig from running at +# a time. +# +# Thu Sep 15 17:46:28 UTC 2016 <volkerdi> +# If removepkg is called with a short package name (no -$VERSION-$ARCH-$BUILD), +# remove the most recently installed matching package, not the oldest one. +# +# Thu Sep 15 08:09:01 BST 2016 <mozes> +# - Handle finding >1 match for a package. Thanks to SeB on LQ for the feedback. +# +# Wed Sep 14 20:44:00 BST 2016 <mozes> +# - Modify package_name function to cater for package file names that contain +# >=4 hyphens. +# Thanks to coralfang on LQ for the report and to Jim Hawkins for the patch. +# - Modified to handle packages that contain file names with backslashes +# Thanks to aaazen on LQ for the report and the patch. +# +# Thu Sep 24 03:31:58 UTC 2015 <alphageek> +# extract_links() sed adjusted to handle symlinks with spaces. +# +# Sun Sep 6 21:58:36 BST 2009 +# Replaced pkgbase & package_name code with 'sed' script by Jim Hawkins. +# +# 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 +# + +# Needed to find package names within the 'remove_packages' function: +shopt -s extglob + +# Return a package name that has been stripped of the dirname portion +# and any of the valid extensions (only): +pkgbase() { + # basename + strip extensions .tbz, .tgz, .tlz and .txz + echo "$1" | sed 's?.*/??;s/\.t[bglx]z$//' +} + +# This makes "sort" run much faster: +export LC_ALL=C + +# Set the prefix for the package database directories (packages, scripts). +ADM_DIR="$ROOT/var/lib/pkgtools" + +# Set the prefix for the removed packages/scripts log files: +LOG_DIR="$ROOT/var/log/pkgtools" + +# Make sure there's a proper temp directory: +TMP=$ADM_DIR/setup/tmp +# If the $TMP directory doesn't exist, create it: +if [ ! -d $TMP ]; then + mkdir -p $TMP + chmod 700 $TMP # no need to leave it open +fi +PRES_DIR=$TMP/preserved_packages + +# Lock directory for ldconfig... share it with installpkg so that upgradepkg +# becomes properly ldconfig-locked, too. +INSTLOCKDIR=${INSTLOCKDIR:-/run/lock/pkgtools} +if [ ! -d $INSTLOCKDIR ]; then + mkdir -p $INSTLOCKDIR +fi + +# 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 2> /dev/null | wc -l) -ne 1 ]; then + cat $(find . -type f -maxdepth 1 2> /dev/null | grep -v "$2") 2> /dev/null + 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 + ! [ $TERSE ] && echo " --> $ROOT/$FILE was found in another package. Skipping." + preserve_file "$FILE" + else + if [ "$(echo $FILE | cut -b1-8)" != "install/" ]; then + ! [ $TERSE ] && 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 + ! [ $TERSE ] && echo " --> $ROOT/$LINK (symlink) was found in another package. Skipping." + else + ! [ $TERSE ] && echo "WARNING: Nonexistent $ROOT/$LINK (symlink) was found in another package. Skipping." + fi + done +} + +delete_files() { + local unset LC_ALL # Locally (within this delete_files function) allow handling of backslashes + while read -r AFILE ; do # do not expand backslashes on read + FILE=$(printf "%b" "$AFILE") # unescape octal characters + if [ ! -d "$ROOT/$FILE" ]; then + if [ -r "$ROOT/$FILE" ]; then + if [ "$ROOT/$FILE" -nt "$ADM_DIR/packages/$PKGNAME" ]; then + ! [ $TERSE ] && echo "WARNING: $ROOT/$FILE changed after package installation." + fi + if [ ! "$WARN" = "true" ]; then + ! [ $TERSE ] && echo " --> Deleting $ROOT/$FILE" + preserve_file "$FILE" && rm -f "$ROOT/$FILE" + else + ! [ $TERSE ] && echo " --> $ROOT/$FILE would be deleted" + preserve_file "$FILE" + fi + else + ! [ $TERSE ] && 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 + ! [ $TERSE ] && echo " --> Deleting symlink $ROOT/$LINK" + rm -f "$ROOT/$LINK" + else + ! [ $TERSE ] && echo " --> $ROOT/$LINK (symlink) would be deleted" + fi + else + ! [ $TERSE ] && 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 + ! [ $TERSE ] && echo " --> Deleting empty directory $ROOT/$DIR" + rmdir "$ROOT/$DIR" + else + ! [ $TERSE ] && echo "WARNING: Unique directory $ROOT/$DIR contains new files" + fi + else + ! [ $TERSE ] && 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 + ! [ $TERSE ] && echo " --> Deleting $ROOT/$FILE (fmt man page)" + rm -f $ROOT/$FILE + else + ! [ $TERSE ] && echo " --> $ROOT/$FILE (fmt man page) would be deleted" + fi + fi + done +} + +# Conversion to 'comm' utility by Mark Wisdom. +# is pretty nifty! :^) +remove_packages() { + for PKGLIST in $* + do + PKGNAME=$(pkgbase $PKGLIST) + # 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 name not found - finally try looking for full name - e.g. foo-1.0-arm-1 + pushd $ADM_DIR/packages > /dev/null + # Don't set PKGNAME if there are no matches: + if [ ! "$( ls -1 $PKGNAME-+([^-])-+([^-])-+([^-]) 2>/dev/null | wc -l )" = "0" ]; then + # If there is more than one package with the same name, set PKGNAME to the + # most recently installed version. This does not affect the behavior of + # upgradepkg, which always removes all other existing versions of the + # same package. + PKGNAME=$( ls -1t $PKGNAME-+([^-])-+([^-])-+([^-]) 2> /dev/null | head -n1 ) + fi + popd > /dev/null + fi + + if [ -r $ADM_DIR/packages/$PKGNAME ]; then + if [ ! "$WARN" = true ]; then + echo "Removing package: $(basename $ADM_DIR/packages/$PKGNAME)" + fi + if fgrep "./" $ADM_DIR/packages/$PKGNAME 1> /dev/null 2>&1; then + TRIGGER="^\.\/" + else + TRIGGER="FILE LIST:" + fi + if [ ! "$WARN" = true ]; then + ! [ $TERSE ] && echo "Removing files:" + fi + sed -n "/$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$$ | delete_links + else + cat $ADM_DIR/scripts/* 2> /dev/null | extract_links | \ + sort -u > $TMP/required_links$$ + 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 + # We won't assume that anything in /var/log can be trusted to remain there, + # so we'll remake the directories and symlinks first: + mkdir -p $LOG_DIR/removed_packages $LOG_DIR/removed_scripts + for symlink in removed_packages removed_scripts ; do + if [ ! -L $LOG_DIR/../$symlink ]; then + rm -rf $LOG_DIR/../$symlink + ( cd $LOG_DIR/.. ; ln -sf pkgtools/$symlink . ) + fi + done + # Now that we know we have log directories, move the files: + mv $ADM_DIR/packages/$PKGNAME $LOG_DIR/removed_packages + if [ -r $ADM_DIR/scripts/$PKGNAME ]; then + mv $ADM_DIR/scripts/$PKGNAME $LOG_DIR/removed_scripts + fi + fi + else + echo "No such package: $(basename $ADM_DIR/packages/$PKGNAME). Can't remove." + fi + # In the case where a library and symlink are removed but an earlier version + # remains on the machine, this will link it up and save potential problems: + if [ "$ROOT" = "" ] && [ -x /sbin/ldconfig ]; then + ( flock 9 || exit 11 + /sbin/ldconfig 2> /dev/null + ) 9> $INSTLOCKDIR/ldconfig.lock + fi + done +} + +if [ "$#" = "0" ]; then + echo "Usage: $(basename $0) [--copy] [--keep] [--preserve] [--terse] [--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;; + -terse | --terse) TERSE=0; shift;; + -warn | --warn) WARN=true; shift;; + -* | --*) echo "Usage: $(basename $0) [-copy] [-keep] [-preserve] [-warn] packagename ..."; exit 1;; + *) break + esac +done + +if [ "$WARN" = "true" ]; then + unset TERSE + 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 $* |