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path: root/source/installer/sources/initrd/usr/lib/setup/INSURL
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#!/bin/sh
TMP=/var/log/setup/tmp
if [ ! -d $TMP ]; then
  mkdir -p $TMP
fi
if [ -f $TMP/Punattended ]; then
 eval $(grep "^REMOTE_URL=" $TMP/Punattended)
 eval $(grep "^REMOTE_PATH=" $TMP/Punattended)
fi

# 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
}

package_name() {
  STRING=$(pkgbase $1)
  # Check for old style package name with one segment:
  if [ "$(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
    fi
  fi
}

while [ 0 ]; do
 rm -f $TMP/SeTDS $TMP/SeTmount
 UPNRUN=$(cat $TMP/SeTupnrun)

 cat << EOF > $TMP/tempmsg

Good! We're all set on the local end, but now we need to know
where to find the software packages to install. First, we need
the URL of the ftp or http server where the Slackware sources
are stored.
URL examples are: 'ftp://192.168.0.1' ; 'http://172.16.10.31'

EOF
 if [ "$UPNRUN" = "0" ]; then
  cat << EOF >> $TMP/tempmsg
Since you're already running on the network, you should be able
to use the hostname instead of an IP address if you wish.

EOF
 fi
 echo "What is the URL of your FTP/HTTP server? " >> $TMP/tempmsg
 dialog --title "ENTER URL OF FTP/HTTP SERVER" --inputbox \
 "$(cat $TMP/tempmsg)" 15 70 $REMOTE_URL 2> $TMP/remote
 if [ ! $? = 0 ]; then
  rm -f $TMP/tempmsg $TMP/remote
  exit
 fi
 REMOTE_URL="$(cat $TMP/remote)"
 rm $TMP/remote

 cat << EOF > $TMP/tempmsg

 There must be a directory on the server with the Slackware
 packages and files arranged in a tree like the FTP site.

 The installation script needs to know the name of the 
 directory on your server that contains the series
 subdirectories. For example, if your A series is found at 
 /slack/slackware/a, then you would respond: /slack/slackware
 
 What is the Slackware source directory?
EOF
 dialog --title "SELECT SOURCE DIRECTORY" --inputbox "$(cat $TMP/tempmsg)" \
 17 65 $REMOTE_PATH 2> $TMP/slacksrc
 if [ ! $? = 0 ]; then
  rm -f $TMP/tempmsg $TMP/slacksrc
  exit
 fi
 REMOTE_PATH="$(cat $TMP/slacksrc)"
 rm $TMP/slacksrc

 cat << EOF > $TMP/tempmsg

In the next screen you should watch for possible errors.

First, we'll download the PACKAGES.TXT from the parent of the
directory that you entered before (which should be the root
of the remote Slackware tree). If that succeeds, then we use
PACKAGES.TXT to reconstruct a local cache of the package tree
(should take a minute or less on an average system).
After that, we're all set to go!

Downloading PACKAGES.TXT at the Slackware root starts
after you press OK.
That file is several hundreds of KB in size so it may
take some time to get here...

EOF
 dialog --title "DOWNLOAD INFORMATION" --msgbox "$(cat $TMP/tempmsg)" 20 70
 rm -f $TMP/tempmsg

 REMOTE_ROOT=$(dirname $REMOTE_PATH)
 mkdir -p $TMP/treecache 2>/dev/null
 chmod 700 $TMP/treecache
 rm -rf $TMP/treecache/* 2>/dev/null
 ln -sf $TMP/treecache /var/log/mount/
 cd /var/log/mount/treecache
 echo "Downloading PACKAGES.TXT ..." >> $TMP/wgetout
 echo "URL: $REMOTE_URL$REMOTE_ROOT" > $TMP/wgetout
 wget -q $REMOTE_URL$REMOTE_ROOT/PACKAGES.TXT > /dev/null 2>&1
 RET=$?
 if [ $RET != 0 ]; then
  echo "> Download failed. Going to try one directory lower." >> $TMP/wgetout
  REMOTE_ROOT=$REMOTE_PATH
  echo "URL: $REMOTE_URL$REMOTE_ROOT" >> $TMP/wgetout
  wget -q $REMOTE_URL$REMOTE_ROOT/PACKAGES.TXT > /dev/null 2>&1
  RET=$?
  [ $RET != 0 ] && echo "> Download failed again." >> $TMP/wgetout
 fi
 echo "" >> $TMP/wgetout

 if [ -r /var/log/mount/treecache/PACKAGES.TXT ]; then
  if head /var/log/mount/treecache/PACKAGES.TXT | grep -q "PACKAGES.TXT" ; then
   echo "A Slackware 'PACKAGES.TXT' is available. Ready to continue!" >> $TMP/wgetout
   DEFANSW="no"
  fi
 else
  echo "No file 'PACKAGES.TXT' was found. Wrong URL?" >> $TMP/wgetout
  DEFANSW="yes"
 fi
 echo "" >> $TMP/wgetout
 echo "Do you want to try setting up FTP/HTTP again?" >> $TMP/wgetout
 echo "" >> $TMP/wgetout
 if [ "$DEFANSW" = "no" ]; then
  dialog --title "DOWNLOAD RESULT" \
    --defaultno --yesno "$(cat $TMP/wgetout)" 12 68
  RET=$?
 else
  dialog --title "DOWNLOAD RESULT" \
    --yesno "$(cat $TMP/wgetout)" 12 68
  RET=$?
 fi
 if [ $RET = 1 ]; then
  rm -f $TMP/wgetout
  break
 fi
 rm -f $TMP/wgetout
 #if [ "$UPNRUN" = "1" ]; then
 # route del $LOCAL_NETWORK
 # ifconfig $ENET_DEVICE down 
 #fi
done

if [ -r /var/log/mount/treecache/PACKAGES.TXT ]; then
 echo "/var/log/mount/treecache/slackware" > $TMP/SeTDS 
 echo "-source_mounted" > $TMP/SeTmount
 echo "/dev/null" > $TMP/SeTsource
 echo "${REMOTE_URL},${REMOTE_ROOT}" > $TMP/SeTremotesvr

 dialog --title "INITIALIZING PACKAGE TREE" --infobox \
  "\nSetting up local cache for the FTP/HTTP server's package tree ..." 5 72

 mkdir slackware isolinux 2>/dev/null
 wget -q -P ./isolinux $REMOTE_URL$REMOTE_ROOT/isolinux/setpkg

 # Create a local package tree with zero-byte package placeholders:
 TOTALP=$(grep "PACKAGE NAME:" PACKAGES.TXT | wc -l)
 (
 NUMPKG=0
 GAUGE=0
 grep "PACKAGE " PACKAGES.TXT | while read REPLY ; do
  case "$REPLY" in
  "PACKAGE NAME:"*)
    TEMP=$(echo $REPLY | cut -d: -f2)
    PKGNAME=$(echo $TEMP)
    PKGBASE=$(pkgbase $PKGNAME)
    PKGSHRT=$(package_name $PKGNAME)
    let NUMPKG=NUMPKG+1
    if [ $(( ((100 * $NUMPKG)/$TOTALP)/5 )) -gt $(( $GAUGE/5 )) ]; then
      GAUGE=$(( (100 * $NUMPKG)/$TOTALP ))
      echo "$GAUGE"
    fi
    ;;
  "PACKAGE LOCATION:"*)
    TEMP=$(echo $REPLY | cut -d: -f2)
    PKGDIR=$(echo $TEMP)
    mkdir -p $PKGDIR
    touch ${PKGDIR}/${PKGNAME}
    ;;
  "PACKAGE SIZE (compressed):"*)
    TEMP=$(echo $REPLY | cut -d: -f2)
    PKGSIZE=$(echo $TEMP)
    echo "$PKGSIZE" 1> ${PKGDIR}/${PKGBASE}.size
    ;;
  *)
    ;;
  esac
 done \
 ) |  dialog --title "INITIALIZING PACKAGE TREE" --gauge \
       "\nProcessing ${TOTALP} Slackware packages..." 8 65
 
 # Make sure we can select stuff from the package series:
 dialog --title "INITIALIZING PACKAGE TREE" --infobox \
  "\nRetrieving tagfile information for the package tree ..." 5 65

 for series in $(ls -1 slackware) ; do
  wget -q -P ./slackware/$series $REMOTE_URL$REMOTE_ROOT/slackware/$series/tagfile
  wget -q -P ./slackware/$series $REMOTE_URL$REMOTE_ROOT/slackware/$series/maketag.ez
  wget -q -P ./slackware/$series $REMOTE_URL$REMOTE_ROOT/slackware/$series/maketag
 done
else
 dialog --title "REMOTE SERVER CONFIGURATION" --msgbox \
  "\nFailed to configure for installation from remote server." 5 65
fi