Dialog经典--Slackware软件包管理程序

#!/bin/sh
#
# Copyright 1993, 1994, 1995, 1996, 1997,
#    1998, 1999  Patrick Volkerding,  Moorhead, MN  USA
# Copyright 2001  Slackware Linux, Inc.,  Concord, CA  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.
#

# Wed, 27 Apr 1994 00:06:50 -0700 (PDT)
# Optimization by David Hinds.

SOURCE_DIR=/var/log/mount
ASK="tagfiles"
if [ -L /bin/chmod -a -L /bin/chown ]; then # probably on the bootdisk using busybox
 TARGET_DIR=/mnt
 TMP=/mnt/var/log/setup/tmp
 if mount | grep "on /mnt" 1> /dev/null 2>&1 ; then # good
  true
 else # bad
  echo
  echo
  echo "You can't run pkgtool from the rootdisk until you've mounted your Linux"
  echo "partitions beneath /mnt. Here are some examples of this:"
  echo
  echo "If your root partition is /dev/hda1, and is using ext2fs, you would type:"
  echo "mount /dev/hda1 /mnt -t ext2"
  echo
  echo "Then, supposing your /usr partition is /dev/hda2, you must do this:"
  echo "mount /dev/hda2 /mnt/usr -t ext2"
  echo
  echo "Please mount your Linux partitions and then run pkgtool again."
  echo
  exit
 fi
else
 TARGET_DIR=/
 TMP=/var/log/setup/tmp
fi
if [ ! -d $TMP ]; then
 mkdir -p $TMP
 chmod 700 $TMP
 fi
ADM_DIR=$TARGET_DIR/var/log
LOG=$TMP/PKGTOOL.REMOVED

# remove whitespace
crunch() {
  while read FOO ; do
    echo $FOO
  done
}

package_name() {
  STRING=`basename $1 .tgz`
  # 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
}

remove_packages() {
 for pkg_name in $*
 do
  if [ -r $ADM_DIR/packages/$pkg_name ]; then
   dialog --title "PACKAGE REMOVAL IN PROGRESS" --cr-wrap --infobox 
"nRemoving package $pkg_name.n
n
Since each file must be checked 
against the contents of every other installed package to avoid wiping out 
areas of overlap, this process can take quite some time. If you'd like to 
watch the progress, flip over to another virtual console and type:n
n
tail -f $TMP/PKGTOOL.REMOVEDn" 13 60
   export ROOT=$TARGET_DIR
   removepkg $pkg_name >> $LOG 2> /dev/null
  else
   echo "No such package: $pkg_name. Can't remove." >> $LOG
  fi
 done
}

# Here, we read the list of arguments passed to the pkgtool script.
if [ $# -gt 0 ]; then # there are arguments to the command
 while [ $# -gt 0 ]; do
  case "$1" in
  "-sets")
   DISK_SETS=`echo $2 | tr "[A-Z]" "[a-z]"` ; shift 2 ;;
  "-source_mounted")
   SOURCE_MOUNTED="always" ; shift 1 ;;
  "-ignore_tagfiles")
   ASK="never" ; shift 1 ;;
  "-tagfile")
   USETAG=$2 ; shift 2 ;;
  "-source_dir")
   SOURCE_DIR=$2 ; shift 2 ;;
  "-target_dir")
   TARGET_DIR=$2
   ADM_DIR=$TARGET_DIR/var/log
   shift 2 ;;
  "-source_device")
   SOURCE_DEVICE=$2 ; shift 2 ;;
  esac
 done
else  # there were no arguments, so we'll get the needed information from the
      # user and then go on.
 CMD_START="true"
 rm -f $TMP/SeT*
 while [ 0 ]; do
  dialog --title "Slackware Package Tool (pkgtool version 9.0.0)" 
--menu "nWelcome to the Slackware package tool.n
nWhich option would you like?n" 17 75 7 
"Current" "Install packages from the current directory" 
"Other" "Install packages from some other directory" 
"Floppy" "Install packages from floppy disks" 
"Remove" "Remove packages that are currently installed" 
"View" "View the list of files contained in a package" 
"Setup" "Choose Slackware installation scripts to run again" 
"Exit" "Exit Pkgtool" 2> $TMP/reply
  if [ ! $? = 0 ]; then
   rm -f $TMP/reply
   dialog --clear
   exit
  fi
  REPLY="`cat $TMP/reply`"
  rm -f $TMP/reply
  if [ "$REPLY" = "Exit" ]; then
   dialog --clear
   exit
  fi
  if [ "$REPLY" = "Setup" ]; then
    echo 'dialog --title "SELECT SYSTEM SETUP SCRIPTS" --item-help --checklist 
    "Please use the spacebar to select the setup scripts to run.  Hit enter when you 
are done selecting to run the scripts." 17 70 9 ' > $TMP/setupscr
    for script in $ADM_DIR/setup/setup.* ; do
      BLURB=`grep '#BLURB' $script | cut -b8-`
      if [ "$BLURB" = "" ]; then
        BLURB=""""
      fi
      echo " "`basename $script | cut -f2- -d .`" $BLURB "no" $BLURB \" >> $TMP/setupscr
    done
    echo "2> $TMP/return" >> $TMP/setupscr
    . $TMP/setupscr
    if [ ! "`cat $TMP/return`" = "" ]; then
      # Run each script:
      for script in `cat $TMP/return` ; do
        scrpath=$ADM_DIR/setup/setup.`echo $script | tr -d "`
        rootdevice="`mount | head -1 | cut -f 1 -d ' '`"
        ( COLOR=on ; cd $TARGET_DIR ; . $scrpath / $rootdevice )
      done
    fi
    rm -f $TMP/return $TMP/setupscr
    continue
  fi # end Setup
  if [ "$REPLY" = "View" ]; then
   DEFITEM=""
   export DEFITEM
   dialog --title "SCANNING" --infobox "Please wait while 
Pkgtool scans your system to determine which packages you have 
installed and prepares a list for you." 0 0
   echo 'dialog $DEFITEM --item-help --menu "Please select the package you wish to view." 17 68 10 ' > $TMP/viewscr
   for name in `ls $ADM_DIR/packages` ; do
    pkg_name=`package_name $name`
    BLURB="`sed -n "/$pkg_name:/{s/\"//g;p;q;}" $ADM_DIR/packages/$name | cut -f 2- -d : | crunch`"
    # Let's have some backward compatibility with the interim beta (for now):
    if [ "$BLURB" = "" ]; then
     BLURB="`sed -n "/$name:/{s/\"//g;p;q;}" $ADM_DIR/packages/$name | cut -f 2- -d : | crunch`"
    fi
    echo " "$name" "$BLURB" "View information about package $name" \" >> $TMP/viewscr
   done
   echo "2> $TMP/return" >> $TMP/viewscr
   while [ 0 ]; do
    . $TMP/viewscr
    if [ ! "`cat $TMP/return`" = "" ]; then
     DEFITEM="--default-item `cat $TMP/return`"
     dialog --title "CONTENTS OF PACKAGE: `cat $TMP/return`" --no-shadow --textbox "$ADM_DIR/packages/`cat $TMP/return`" 
     0 0 2> /dev/null
    else
     break
    fi
   done
   rm -f $TMP/return $TMP/viewscr $TMP/tmpmsg
   # This will clean up after most defective packages:
   chmod 755 /
   chmod 1777 /tmp
   continue
  fi
  if [ "$REPLY" = "Remove" ]; then
   dialog --title "SCANNING" --infobox "Please wait while Pkgtool scans 
your system to determine which packages you have installed and prepares 
a list for you." 0 0
   # end section
   cat << EOF > $TMP/rmscript
dialog --title "SELECT PACKAGES TO REMOVE" --item-help --checklist 
"Please select the 
packages you wish to Remove. Use the 
spacebar to select packages to delete, and the UP/DOWN arrow keys to 
scroll up and down through the entire list." 20 75 11 \
EOF
   for name in `ls $ADM_DIR/packages` ; do
    pkg_name=`package_name $name`
    BLURB="`sed -n "/$pkg_name:/{s/\"//g;p;q;}" $ADM_DIR/packages/$name | cut -f 2- -d : | crunch`"
    # Let's have some backward compatibility with the interim beta (for now):
    if [ "$BLURB" = "" ]; then
     BLURB="`sed -n "/$name:/{s/\"//g;p;q;}" $ADM_DIR/packages/$name | cut -f 2- -d : | crunch`"
    fi
    echo " "$name" "$BLURB" off "Select/Unselect removing package $name" \" >> $TMP/rmscript
   done
   echo "2> $TMP/return" >> $TMP/rmscript
   if [ -L $LOG -o -r $LOG ]; then
     rm -f $LOG
   fi
   cat /dev/null > $LOG
   chmod 600 $LOG
   chmod 700 $TMP/rmscript
   export ADM_DIR;
   $TMP/rmscript
   remove_packages `cat $TMP/return | tr -d "42"`
   if [ "`cat $TMP/PKGTOOL.REMOVED`" = "" ]; then
    rm -f $TMP/PKGTOOL.REMOVED
    dialog --title "NO PACKAGES REMOVED" --msgbox "Hit OK to return 
to the main menu." 5 40
   else
    dialog --title "PACKAGE REMOVAL COMPLETE" --msgbox "The packages have 
been removed. A complete log of the files that were removed has been created 
in $TMP: PKGTOOL.REMOVED." 0 0
   fi
   rm -f $TMP/rmscript $TMP/return $TMP/tmpmsg $TMP/SeT*
   chmod 755 /
   chmod 1777 /tmp
# No, return to the main menu:
#   exit
  elif [ "$REPLY" = "Floppy" ]; then
   dialog --title "SELECT FLOPPY DRIVE" --menu "Which floppy drive would 
you like to install from?" 
11 70 4 
"/dev/fd0u1440" "1.44 MB first floppy drive" 
"/dev/fd1u1440" "1.44 MB second floppy drive" 
"/dev/fd0h1200" "1.2 MB first floppy drive" 
"/dev/fd1h1200" "1.2 MB second floppy drive" 2> $TMP/wdrive
   if [ $? = 1 ]; then
    dialog --clear
    exit
   fi
   SOURCE_DEVICE="`cat $TMP/wdrive`"
   rm -f $TMP/wdrive
   cat << EOF > $TMP/tmpmsg

Enter the names of any disk sets you would like to install.
Separate the sets with a space, like this: a b oi x

To install packages from one disk, hit [enter] without typing
anything.

EOF
   dialog --title "SOFTWARE SELECTION" --inputbox "`cat $TMP/tmpmsg`" 13 70 2> $TMP/sets
   DISK_SETS="`cat $TMP/sets`"
   rm -f $TMP/sets
   if [ "$DISK_SETS" = "" ]; then
    DISK_SETS="disk"
   else
    DISK_SETS=`echo $DISK_SETS | sed 's/ /#/g'`
    DISK_SETS="#$DISK_SETS"
   fi
   break;
  elif [ "$REPLY" = "Other" ]; then
   dialog --title "SELECT SOURCE DIRECTORY" --inputbox "Please enter the name of the directory that you wish to 
install packages from:" 10 50 2> $TMP/pkgdir
   if [ $? = 1 ]; then
    rm -f $TMP/pkgdir $TMP/SeT*
    dialog --clear
    exit
   fi
   SOURCE_DIR="`cat $TMP/pkgdir`"
   SOURCE_MOUNTED="always"
   DISK_SETS="disk"
   chmod 755 $TARGET_DIR
   chmod 1777 $TARGET_DIR/tmp
   rm -f $TMP/pkgdir
   if [ ! -d $SOURCE_DIR ]; then
    dialog --title "DIRECTORY NOT FOUND" --msgbox "The directory you want to 
install from ($SOURCE_DIR) 
does not seem to exist. Please check the directory and then try again." 
10 50
    dialog --clear
    exit
   fi
   break;
  else # installing from current directory
   SOURCE_MOUNTED="always"
   SOURCE_DIR="$PWD"
   DISK_SETS="disk"
   chmod 755 $TARGET_DIR
   chmod 1777 $TARGET_DIR/tmp
   break;
  fi
 done
fi
if [ "$DISK_SETS" = "disk" ]; then
 ASK="always"
fi

mount_the_source() {
 # is the source supposed to be mounted already?
 if [ "$SOURCE_MOUNTED" = "always" ]; then
  # The source should already be mounted, so we test it
  if [ ! -d $SOURCE_DIR ]; then # the directory is missing
   cat << EOF > $TMP/tmpmsg

Your source device cannot be accessed properly.

Please be sure that it is mounted on $SOURCE_DIR,
and that the Slackware disks are found in subdirectories
of $SOURCE_DIR like specified.

EOF
   dialog --title "MOUNT ERROR" --msgbox "`cat $TMP/tmpmsg`" 11 67
   rm -f $TMP/tmpmsg
   exit 1;
  fi
  return 0;
 fi
 dialog --title "INSERT DISK" --menu "Please insert disk $1 and 
press ENTER to continue." 
11 50 3 
"Continue" "Continue with the installation" 
"Skip" "Skip the current disk series" 
"Quit" "Abort the installation process" 2> $TMP/reply
 if [ ! $? = 0 ]; then
  REPLY="Quit"
 else
  REPLY="`cat $TMP/reply`"
 fi
 rm -f $TMP/reply
 if [ "$REPLY" = "Skip" ]; then
  return 1;
 fi
 if [ "$REPLY" = "Quit" ]; then
   dialog --title "ABORTING" --msgbox "Aborting software installation." 5 50
   chmod 755 $TARGET_DIR
   chmod 1777 $TARGET_DIR/tmp
   exit 1;
 fi;
 # Old line:
 # mount -r -t msdos $SOURCE_DEVICE $SOURCE_DIR
 # New ones: (thanks to Andy Schwierskott!)
 go_on=y
 not_successfull_mounted=1
 while [ "$go_on" = y -a "$not_successfull_mounted" = 1 ]; do
  mount -r -t msdos $SOURCE_DEVICE $SOURCE_DIR
  not_successfull_mounted=$?
  if [ "$not_successfull_mounted" = 1 ]; then
   mount_answer=x
   while [ "$mount_answer" != "y" -a "$mount_answer" != "q" ] ; do
    dialog --title "MOUNT PROBLEM" --menu "Media was not successfully 
mounted! Do you want to 
retry, or quit?" 10 60 2 
"Yes" "Try to mount the disk again" 
"No" "No, abort." 2> $TMP/mntans
    mount_answer="`cat $TMP/mntans`"
    rm -f $TMP/mntans
    if [ "$mount_answer" = "Yes" ]; then
     mount_answer="y"
    else
     mount_answer="q"
    fi
   done
   go_on=$mount_answer
  fi
 done
 test $not_successfull_mounted = 0
}

umount_the_source() {
 if [ ! "$SOURCE_MOUNTED" = "always" ]; then
  umount $SOURCE_DEVICE 1> /dev/null 2>&1
 fi;
}

install_disk() {
 mount_the_source $1
 if [ $? = 1 ]; then
  umount_the_source;
  return 1;
 fi
 CURRENT_DISK_NAME="$1"
 PACKAGE_DIR=$SOURCE_DIR
 if [ "$SOURCE_MOUNTED" = "always" -a ! "$DISK_SETS" = "disk" ]; then
   PACKAGE_DIR=$PACKAGE_DIR/$1
 fi

 # If this directory is missing or contains no *.tgz files, bail.
 if [ ! -d $PACKAGE_DIR ]; then
  return 1
 fi
 if ls $PACKAGE_DIR/*.tgz 1> /dev/null 2> /dev/null ; then
  true
 else
  return 1
 fi

 #
 # look for tagfile for this series and copy into $TMP/tagfile
 #
 touch $TMP/tagfile
 if [ ! "$DISK_SETS" = "disk" ]; then
  if [ -r $TMP/SeTtagext ]; then
   if [ -r $PACKAGE_DIR/tagfile`cat $TMP/SeTtagext` ]; then
    cat $PACKAGE_DIR/tagfile`cat $TMP/SeTtagext` >> $TMP/tagfile
   else
    if [ -r $PACKAGE_DIR/tagfile ]; then
     cat $PACKAGE_DIR/tagfile >> $TMP/tagfile
    fi
   fi

  #
  # Do we need to follow a custom path to the tagfiles?
  #
  elif [ -r $TMP/SeTtagpath ]; then
   custom_path=`cat $TMP/SeTtagpath`
   short_path=`basename $PACKAGE_DIR`

   # If tagfile exists at the specified custom path, copy it over.
   if [ -r $custom_path/$short_path/tagfile ]; then
    cat $custom_path/$short_path/tagfile >> $TMP/tagfile

   else # well, I guess we'll use the default one then.
    if [ -r $PACKAGE_DIR/tagfile ]; then
     cat $PACKAGE_DIR/tagfile >> $TMP/tagfile
    fi
   fi
  #
  # We seem to be testing for this too often... maybe this code should
  # be optimized a little...
  #
  elif [ -r $PACKAGE_DIR/tagfile ]; then
   cat $PACKAGE_DIR/tagfile >> $TMP/tagfile
  fi

  #
  # Execute menus if in QUICK mode:
  #
  if [ -r $TMP/SeTQUICK -a -r $PACKAGE_DIR/maketag ]; then
   if [ ! "$MAKETAG" = "" -a -r $PACKAGE_DIR/$MAKETAG ]; then # use alternate maketag
    sh $PACKAGE_DIR/$MAKETAG
   else
    sh $PACKAGE_DIR/maketag
   fi
   if [ -r $TMP/SeTnewtag ]; then
    mv $TMP/SeTnewtag $TMP/tagfile
   fi
  fi

  #
  # Protect tagfile from hacker attack:
  #
  if [ -r $TMP/tagfile ]; then
   chmod 600 $TMP/tagfile
  fi

 fi #  ! "$DISK_SETS" = "disk"

 # It's possible that the tagfile was specified on the command line.  If that's
 # the case, then we'll just override whatever we figured out up above.
 if [ ! "$USETAG" = "" ]; then
   cat $USETAG > $TMP/tagfile
 fi

 # If there's a catalog file present, use it to check for missing files.
 # If not, forget about that and install whatever's there.
 if [ "$1" = "single_disk" -o -r $PACKAGE_DIR/disk$1 -o -r $PACKAGE_DIR/package-list.txt ]; then
  if [ -r $PACKAGE_DIR/package-list.txt ]; then
   CATALOG_FILE=$PACKAGE_DIR/package-list.txt
  else
   CATALOG_FILE=`basename $PACKAGE_DIR/disk*`;
  fi
  if [ -r $PACKAGE_DIR/$CATALOG_FILE -a ! -d $PACKAGE_DIR/$CATALOG_FILE ]; then
   if grep CONTENTS: $PACKAGE_DIR/$CATALOG_FILE 1> /dev/null 2>&1 ; then
    # First we check for missing packages...
    for PKGTEST in `grep "^CONTENTS:" $PACKAGE_DIR/$CATALOG_FILE | cut -f2- -d : 2> /dev/null` ; do
     # This is not a perfect test.  (say emacs is missing but emacs-nox is not)
     if ls $PACKAGE_DIR/$PKGTEST*.tgz 1> /dev/null 2> /dev/null ; then # found something like it
      true
     else
      cat << EOF > $TMP/tmpmsg

WARNING!!!

While looking through your index file ($CATALOG_FILE),
I noticed that you might be missing a package:

$PKGTEST-*-*-*.tgz

that is supposed to be on this disk (disk $1). You may go
on with the installation if you wish, but if this is a
crucial file I'm making no promises that your machine will
boot.

EOF
      dialog --title "FILE MISSING FROM YOUR DISK" --msgbox 
"`cat $TMP/tmpmsg`" 17 67
     fi
    done # checking for missing packages
    # Now we test for extra packages:
    ALLOWED="`grep CONTENTS: $PACKAGE_DIR/$CATALOG_FILE | cut -b10- 2> /dev/null`"
    for PACKAGE_FILENAME in $PACKAGE_DIR/*.tgz; do
     BASE="`basename $PACKAGE_FILENAME .tgz`"
     BASE="`package_name $BASE`"
     if echo $ALLOWED | grep $BASE 1> /dev/null 2>&1 ; then
      true
     else
      cat << EOF > $TMP/tmpmsg

WARNING!!!

While looking through your index file ($CATALOG_FILE),
I noticed that you have this extra package:

($BASE.tgz)

that I don't recognize. Please be sure this package is
really supposed to be here, and is not left over from an
old version of Slackware. Sometimes this can happen at the
archive sites.

EOF
      dialog --title "EXTRA FILE FOUND ON YOUR DISK" 
--msgbox "`cat $TMP/tmpmsg`" 17 67
      rm -f $TMP/tmpmsg
     fi
    done
   fi
  fi
 fi # check for missing/extra packages

 # Install the packages:
 for PACKAGE_FILENAME in $PACKAGE_DIR/*.tgz; do
  if [ "$PACKAGE_FILENAME" = "$PACKAGE_DIR/*.tgz" ]; then
   continue;
  fi
  if [ "$ASK" = "never" ]; then # install the package
   installpkg -root $TARGET_DIR -infobox -tagfile $TMP/tagfile $PACKAGE_FILENAME
   ERROR=$?
  elif [ "$ASK" = "tagfiles" ]; then
   installpkg -root $TARGET_DIR -menu -tagfile $TMP/tagfile $PACKAGE_FILENAME
   ERROR=$?
  else # ASK should be = always here, and that's how we'll treat it
   installpkg -root $TARGET_DIR -menu -ask -tagfile $TMP/tagfile $PACKAGE_FILENAME
   ERROR=$?
  fi
  # Check for abort:
  if [ "$ERROR" = "99" ]; then
   umount_the_source;
   chmod 755 $TARGET_DIR
   chmod 1777 $TARGET_DIR/tmp
   exit 1;
   fi
 done
 OUTTAHERE="false"
 if [ -r $PACKAGE_DIR/install.end ]; then
  OUTTAHERE="true"
 fi
 umount_the_source;
 if [ "$OUTTAHERE" = "true" ]; then
  return 1;
 fi
}

install_disk_set() { # accepts one argument: the series name in lowercase.
 SERIES_NAME=$1
 CURRENT_DISK_NUMBER="1";
 while [ 0 ]; do
  # Don't start numbering the directories until 2:
  if [ $CURRENT_DISK_NUMBER = 1 ]; then
    DISKTOINSTALL=$SERIES_NAME
  else
    DISKTOINSTALL=$SERIES_NAME$CURRENT_DISK_NUMBER
  fi
  install_disk $DISKTOINSTALL
  if [ ! $? = 0 ]; then # install.end was found, or the user chose
        # to quit installing packages.
   return 0;
  fi
  CURRENT_DISK_NUMBER=`expr $CURRENT_DISK_NUMBER + 1`
 done;
}

# /* main() */
if [ "$DISK_SETS" = "disk" ]; then
 install_disk single_disk;
 ASK="always"
else
 touch $TMP/tagfile
 chmod 600 $TMP/tagfile
 if echo $DISK_SETS | grep "#a#" 1> /dev/null 2>&1; then
  A_IS_NEEDED="true"
 else
  A_IS_NEEDED="false"
 fi
 while [ 0 ];
 do
  while [ 0 ]; # strip leading '#'s
  do
   if [ "`echo $DISK_SETS | cut -b1`" = "#" ]; then
    DISK_SETS="`echo $DISK_SETS | cut -b2-`"
   else
    break;
   fi
  done
  if [ "$A_IS_NEEDED" = "true" ]; then
   cat << EOF > $TMP/tmpmsg

--- Installing package series ==>a<==

EOF
   dialog --infobox "`cat $TMP/tmpmsg`" 5 45
   sleep 1
   rm -f $TMP/tmpmsg
   install_disk_set a;
   A_IS_NEEDED="false"
  fi
  count="1"
  if [ "`echo $DISK_SETS | cut -b$count`" = "" ]; then
   break; # we be done here :^)
  else
   count="2"
   while [ 0 ]; do
    if [ "`echo $DISK_SETS | cut -b$count`" = "" -o "`echo $DISK_SETS | cut -b$count`" = "#" ]; then
     count="`expr $count - 1`"
     break;
    else
     count="`expr $count + 1`"
    fi
   done
  fi
  diskset="`echo $DISK_SETS | cut -b1-$count`"
  count="`expr $count + 1`"
  DISK_SETS="`echo $DISK_SETS | cut -b$count-`"
  if [ "$diskset" = "a" ]; then
   continue; # we expect this to be done elsewhere
  fi
  cat << EOF > $TMP/tmpmsg

Installing package series ==>$diskset<==

EOF
  dialog --infobox "`cat $TMP/tmpmsg`" 5 45
  sleep 1
  rm -f $TMP/tmpmsg
  install_disk_set $diskset;
 done
fi

if [ "$DISK_SETS" = "disk" -o "$CMD_START" = "true" ]; then
 if [ -r $TMP/tagfile ]; then
  rm $TMP/tagfile
 fi
 dialog --clear
fi
chmod 755 $TARGET_DIR $TARGET_DIR/var $TARGET_DIR/usr
chmod 1777 $TARGET_DIR/tmp



installpkg

源码:

#!/bin/sh
# Copyright 1994, 1998, 2000  Patrick Volkerding, Concord, CA, USA
# Copyright 2001  Slackware Linux, Inc., Concord, CA, 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.
#
# Sun Nov 26 12:38:25 CST 1995
# Added patch from Glenn Moloney <glenn@physics.unimelb.edu.au> to allow
# packages to be installed to directories other than /.
#
# Wed Mar 18 15:15:51 CST 1998
# Changed $TMP directory to /var/log/setup/tmp, and chmod'ed it 700 to close
# some security holes.

# If installpkg encounters a problem, it will return a non-zero error code.
# If it finds more than one problem (i.e. with a list of packages) you'll only
# hear about the most recent one.
# 1 = tar returned error code
# 2 = failed 'gzip -l package'
# 3 = does not end in .tgz
# 4 = not a file
# 99 = user abort from menu mode
EXITSTATUS=0

TAR=tar-1.13
$TAR --help 1> /dev/null 2> /dev/null
if [ ! $? = 0 ]; then
  TAR=tar
fi
if [ ! "`LC_MESSAGES=C $TAR --version`" = "tar (GNU tar) 1.13

Copyright (C) 1988, 92,93,94,95,96,97,98, 1999 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Written by John Gilmore and Jay Fenlason." ]; then
  echo "WARNING: pkgtools are unstable with tar > 1.13."
  echo "         You should provide a "tar-1.13" in your $PATH."
  sleep 5
fi

usage() {
 cat << EOF
Usage: installpkg [options] package_name

Installpkg is used to install a .tgz package like this:
   installpkg xf_bin.tgz

options:      -warn (warn if files will be overwritten, but do not install)
              -root /mnt (install someplace else, like /mnt)
              -infobox (use dialog to draw an info box)
              -menu (confirm package installation with a menu, unless
                    the priority is [required] or ADD)
              -ask (used with menu mode: always ask if a package should be
                   installed regardless of what the package's priority is)
              -priority ADD|REC|OPT|SKP  (provide a priority for the entire
                    package list to use instead of the priority in the
                    tagfile)
              -tagfile /somedir/tagfile (specify a different file to use
                    for package priorities.  The default is "tagfile" in
                    the package's directory)

EOF
}

# Eliminate whitespace function:
crunch() {
  while read FOO ; do
    echo $FOO
  done
}

package_name() {
  STRING=`basename $1 .tgz`
  # 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
}

# Parse options:
MODE=install # standard text-mode
while [ 0 ]; do
  if [ "$1" = "-warn" ]; then
    MODE=warn
    shift 1
  elif [ "$1" = "-infobox" ]; then
    MODE=infobox
    shift 1
  elif [ "$1" = "-menu" ]; then
    MODE=menu
    shift 1
  elif [ "$1" = "-ask" ]; then
    ALWAYSASK="yes"
    shift 1
  elif [ "$1" = "-tagfile" ]; then
    if [ -r "$2" ]; then
      USERTAGFILE="$2"
    elif [ -r "`pwd`/$2" ]; then
      USERTAGFILE="`pwd`/$2"
    else
      usage
      exit
    fi
    shift 2
  elif [ "$1" = "-priority" ]; then
    if [ "$2" = "" ]; then
      usage
      exit
    fi
    USERPRIORITY="$2"
    shift 2
  elif [ "$1" = "-root" ]; then
    if [ "$2" = "" ]; then
      usage
      exit
    fi
    ROOT="$2"
    shift 2
  else
    break
  fi
done

# Set the prefix for the package database directories (packages, scripts).
ADM_DIR="$ROOT/var/log"
# If the directories don't exist, "initialize" the package database:
for PKGDBDIR in packages removed_packages removed_scripts scripts setup ; do
  if [ ! -d $ADM_DIR/$PKGDBDIR ]; then
    rm -rf $ADM_DIR/$PKGDBDIR # make sure it's not a symlink or something stupid
    mkdir -p $ADM_DIR/$PKGDBDIR
    chmod 755 $ADM_DIR/$PKGDBDIR
  fi
done

# 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
  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

# usage(), exit if called with no arguments:
if [ $# = 0 ]; then
  usage;
  exit
fi

# If -warn mode was requested, produce the output and then exit:
if [ "$MODE" = "warn" ]; then
  while [ -f "$1" ]; do
    echo "#### Scanning the contents of $1..."
    mkdir -p $TMP/scan$$
    ( cd $TMP/scan$$ ; $TAR xzf - install ) < $1 2> /dev/null
    if [ -r $TMP/scan$$/install/doinst.sh ]; then
      if cat $TMP/scan$$/install/doinst.sh | grep ' rm -rf ' 1>/dev/null 2>/dev/null ; then
        cat $TMP/scan$$/install/doinst.sh | grep ' rm -rf ' > $TMP/scan$$/install/delete
        echo "The following locations will be completely WIPED OUT to allow symbolic"
        echo "links to be made. (We're talking 'rm -rf') These locations may be files,"
        echo "or entire directories.  Be sure you've backed up anything at these"
        echo "locations that you want to save before you install this package:"
        cat $TMP/scan$$/install/delete | cut -f 3,7 -d ' ' | tr ' ' '/'
      fi
      if [ -d $TMP/scan$$ ]; then
        ( cd $TMP/scan$$ ; rm -rf install ) 2> /dev/null
        ( cd $TMP ; rmdir scan$$ ) 2> /dev/null
      fi
    fi
    echo "The following files will be overwritten when installing this package."
    echo "Be sure they aren't important before you install this package:"
    ( $TAR tzvvf - ) < $1 | grep -v 'drwx'
    echo
    shift 1
  done
  exit
fi

# Main loop:
for package in $* ; do

  # If someone left off the .tgz, try to figure that out:
  if [ ! -r "$package" -a -r "$package.tgz" ]; then
    package=$package.tgz
  fi

  # "shortname" isn't really THAT short... it's just the full name without ".tgz"
  shortname="`basename $package .tgz`"
  packagedir="`dirname $package`"
  # This is the base package name, used for grepping tagfiles and descriptions:
  packagebase="`package_name $shortname`"

  # Reject package if it does not end in '.tgz':
  if [ ! -r "`dirname $package`/$shortname.tgz" ]; then
    EXITSTATUS=3
    if [ "$MODE" = "install" ]; then
      echo "Cannot install $package: package does not end in .tgz"
    fi
    continue;
  fi

  # Determine package's priority:
  unset PRIORITY
  if [ "$USERPRIORITY" = "" ]; then
    if [ "$USERTAGFILE" = "" ]; then
      TAGFILE="`dirname $package`/tagfile"
    else
      TAGFILE="$USERTAGFILE"
    fi
    if [ ! -r "$TAGFILE" ]; then
      TAGFILE=/dev/null
    fi
    if grep "^$packagebase:" "$TAGFILE" | grep ADD > /dev/null 2> /dev/null ; then
      PRIORITY="ADD"
    elif grep "^$packagebase:" "$TAGFILE" | grep REC > /dev/null 2> /dev/null ; then
      PRIORITY="REC"
    elif grep "^$packagebase:" "$TAGFILE" | grep OPT > /dev/null 2> /dev/null ; then
      PRIORITY="OPT"
    elif grep "^$packagebase:" "$TAGFILE" | grep SKP > /dev/null 2> /dev/null ; then
      PRIORITY="SKP"
    fi
  else
    PRIORITY="$USERPRIORITY"
  fi
  if [ "$PRIORITY" = "ADD" ]; then
    #PMSG="Priority: [required]"
    PMSG="[required]"
  elif [ "$PRIORITY" = "REC" ]; then
    #PMSG="Priority: [recommended]"
    PMSG="[recommended]"
  elif [ "$PRIORITY" = "OPT" ]; then
    #PMSG="Priority: [optional]"
    PMSG="[optional]"
  elif [ "$PRIORITY" = "SKP" ]; then
    #PMSG="Priority: [skip]"
    PMSG="[skip]"
  else
    #PMSG="Priority: [unknown]"
    PMSG=""
  fi

  # Locate package description file:
  DESCRIPTION="/dev/null"
  # First check the usual locations outside the package, since this is faster:
  for file in $packagedir/disk* $packagedir/package_descriptions $packagedir/$shortname.txt $packagedir/$packagebase.txt ; do
    if grep "^$packagebase:" "$file" 1> /dev/null 2> /dev/null ; then
      DESCRIPTION="$file"
    elif grep "^$shortname:" "$file" 1> /dev/null 2> /dev/null ; then
      DESCRIPTION="$file"
    fi
  done
  # If we still don't have anything, look inside the package.  This requires a costly untar.
  if [ "$DESCRIPTION" = "/dev/null" ]; then
    mkdir -p $TMP/scan$$
    ( cd $TMP/scan$$ ; $TAR xzf - install ) < $package 2> /dev/null
    if grep "^$packagebase:" "$TMP/scan$$/install/slack-desc" 1> /dev/null 2> /dev/null ; then
      DESCRIPTION="$TMP/scan$$/install/slack-desc"
    elif grep "^$shortname:" "$TMP/scan$$/install/slack-desc" 1> /dev/null 2> /dev/null ; then
      DESCRIPTION="$TMP/scan$$/install/slack-desc"
    fi
  fi

  # Simple package integrity check:
  if [ ! -f $package ]; then
    EXITSTATUS=4
    if [ "$MODE" = "install" ]; then
      echo "Cannot install $package: package is not a regular file"
    fi
    continue;
  fi
  gzip -l $package 1> /dev/null 2> /dev/null
  if [ ! "$?" = "0" ]; then
    EXITSTATUS=2 # failed gzip -l
    if [ "$MODE" = "install" ]; then
      echo "Cannot install $package: package is corrupt (failed 'gzip -l $package')"
    fi
    continue;
  fi

  # Collect the package information into a temp file:
  COMPRESSED=`gzip -l $package | grep -v uncompressed_name | crunch | cut -f 1 -d ' '`
  UNCOMPRESSED=`gzip -l $package | grep -v uncompressed_name | crunch | cut -f 2 -d ' '`
  COMPRESSED="`expr $COMPRESSED / 1024` K"
  UNCOMPRESSED="`expr $UNCOMPRESSED / 1024` K"
#  MD5SUM=`md5sum $package | cut -f 1 -d ' '`
  cat $DESCRIPTION | grep "^$packagebase:" | cut -f 2- -d : | cut -b2- 1> $TMP/tmpmsg$$ 2> /dev/null
  if [ "$shortname" != "$packagebase" ]; then
    cat $DESCRIPTION | grep "^$shortname:" | cut -f 2- -d : | cut -b2- 1>> $TMP/tmpmsg$$ 2> /dev/null
  fi
  # Adjust the length here.  This allows a slack-desc to be any size up to 13 lines instead of fixed at 11.
  LENGTH=`cat $TMP/tmpmsg$$ | wc -l`
  while [ $LENGTH -lt 12 ]; do
    echo >> $TMP/tmpmsg$$
    LENGTH=`expr $LENGTH + 1`
  done
  echo "Size: Compressed: $COMPRESSED, uncompressed: $UNCOMPRESSED." >> $TMP/tmpmsg$$
  # For recent versions of dialog it is necessary to add n to the end of each line
  # or it will remove repeating spaces and mess up our careful formatting:
  cat << EOF > $TMP/controlns$$
n
n
n
n
n
n
n
n
n
n
n
n
n
EOF
  paste -d "" $TMP/tmpmsg$$ $TMP/controlns$$ > $TMP/pasted$$
  rm -f $TMP/controlns$$
  mv $TMP/pasted$$ $TMP/tmpmsg$$
  # Emit information to the console:
  if [ "$MODE" = "install" ]; then
    if [ "$PMSG" = "" ]; then
      echo "Installing package $shortname... "
    else
      echo "Installing package $shortname ($PMSG)... "
    fi
    echo "PACKAGE DESCRIPTION:"
    cat $DESCRIPTION | grep "^$packagebase:" | uniq
    if [ "$shortname" != "$packagebase" ]; then
      cat $DESCRIPTION | grep "^$shortname:" | uniq
    fi
  elif [ "$MODE" = "infobox" -a ! "$PRIORITY" = "SKP" ]; then # install non-SKP infobox package
    dialog --title "Installing package ==>$shortname<== $PMSG" --infobox "`cat $TMP/tmpmsg$$`" 0 0
  elif [ "$MODE" = "menu" -a "$PRIORITY" = "ADD" -a ! "$ALWAYSASK" = "yes" ]; then # ADD overrides menu mode unless -ask was used
    dialog --title "Installing package ==>$shortname<== $PMSG" --infobox "`cat $TMP/tmpmsg$$`" 0 0
  elif [ "$MODE" = "menu" -a "$PRIORITY" = "SKP" -a ! "$ALWAYSASK" = "yes" ]; then # SKP overrides menu mode unless -ask used
    rm -f $TMP/tmpmsg$$
    continue # next package
  elif [ "$MODE" = "infobox" -a "$PRIORITY" = "SKP" -a ! "$ALWAYSASK" = "yes" ]; then # SKP overrides infobox mode, too
    rm -f $TMP/tmpmsg$$
    continue
  else # we must need a full menu:
    dialog --title "Package Name: ==>$shortname<== $PMSG" --menu "`cat $TMP/tmpmsg$$`" 0 0 3 
    "Yes" "Install package $shortname" 
    "No" "Do not install package $shortname" 
    "Quit" "Abort software installation completely" 2> $TMP/reply$$
    if [ ! $? = 0 ]; then
      echo "No" > $TMP/reply$$
    fi
    REPLY="`cat $TMP/reply$$`"
    rm -f $TMP/reply$$ $TMP/tmpmsg$$
    if [ "$REPLY" = "Quit" ]; then
      exit 99 # EXIT STATUS 99 = ABORT!
    elif [ "$REPLY" = "No" ]; then
      continue # skip the package
    fi
  fi

  # Test tarball integrity, and make sure we're not installing files on top of existing symbolic links:
  $TAR tzf $package 1> $TMP/tmplist$$ 2> /dev/null
  TARERROR=$?
  if [ ! "$TARERROR" = "0" ]; then
    EXITSTATUS=1 # tar file corrupt
    if [ "$MODE" = "install" ]; then
      echo "Unable to install $package: tar archive is corrupt (tar returned error code $TARERROR)"
    fi
    rm -f $TMP/tmplist$$
    continue
  fi
  cat $TMP/tmplist$$ | grep -v "/$" | while read file ; do
    if [ -L "$ROOT/$file" ]; then
      rm -f "$ROOT/$file"
    fi
  done
  rm -f $TMP/tmplist$$

  # Write the package file database entry and install the package:
  echo "PACKAGE NAME:     $shortname" > $ADM_DIR/packages/$shortname
  echo "COMPRESSED PACKAGE SIZE:     $COMPRESSED" >> $ADM_DIR/packages/$shortname
  echo "UNCOMPRESSED PACKAGE SIZE:     $UNCOMPRESSED" >> $ADM_DIR/packages/$shortname
  echo "PACKAGE LOCATION: $package" >> $ADM_DIR/packages/$shortname
#  echo "PACKAGE MD5SUM: $MD5SUM" >> $ADM_DIR/packages/$shortname
  echo "PACKAGE DESCRIPTION:" >> $ADM_DIR/packages/$shortname
  cat $DESCRIPTION | grep "^$packagebase:" >> $ADM_DIR/packages/$shortname 2> /dev/null
  if [ "$shortname" != "$packagebase" ]; then
    cat $DESCRIPTION | grep "^$shortname:" >> $ADM_DIR/packages/$shortname 2> /dev/null
  fi
  echo "FILE LIST:" >> $ADM_DIR/packages/$shortname
  ( cd $ROOT/ ; $TAR -xzlUpvf - ) < $package >> $TMP/$shortname 2> /dev/null
  if [ "`cat $TMP/$shortname | grep '^./' | wc -l | tr -d ' '`" = "1" ]; then
    # Good.  We have a package that meets the Slackware spec.
    cat $TMP/$shortname >> $ADM_DIR/packages/$shortname
  else
    # Some dumb bunny built a package with something other than makepkg.  Bad!
    # Oh well.  Bound to happen.  Par for the course.  Fix it and move on...
    echo './' >> $ADM_DIR/packages/$shortname
    cat $TMP/$shortname | grep -v '^./$' | cut -b3- >> $ADM_DIR/packages/$shortname
  fi
  rm -f $TMP/$shortname

  if [ -x /sbin/ldconfig ]; then
    /sbin/ldconfig
  fi
  if [ -f $ROOT/install/doinst.sh ]; then
    if [ "$MODE" = "install" ]; then
      echo "Executing install script for $shortname..."
    fi
    ( cd $ROOT/ ; sh install/doinst.sh -install; )
  fi
  # Clean up the mess...
  if [ -d $ROOT/install ]; then
    if [ -r $ROOT/install/doinst.sh ]; then
      cp $ROOT/install/doinst.sh $ADM_DIR/scripts/$shortname
      chmod 755 $ADM_DIR/scripts/$shortname
    fi
    # /install/doinst.sh and /install/slack-* are reserved locations for the package system.
    ( cd $ROOT/install ; rm -f doinst.sh slack-* 1> /dev/null 2>&1 )
    rmdir $ROOT/install 1> /dev/null 2>&1
  fi
  # If we used a scan directory, get rid of it:
  if [ -d "$TMP/scan$$" ]; then
    rm -rf "$TMP/scan$$"
  fi
  rm -f $TMP/tmpmsg$$ $TMP/reply$$
  if [ "$MODE" = "install" ]; then
    echo
  fi
done

exit $EXITSTATUS
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