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path: root/source/a/etc/doinst.sh
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#!/bin/sh
config() {
  NEW="$1"
  OLD="`dirname $NEW`/`basename $NEW .new`"
  # If there's no config file by that name, mv it over:
  if [ ! -r $OLD ]; then
    mv $NEW $OLD
  elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
    rm $NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}

# First, make sure any new entries in passwd/shadow/group are added:
if [ -r etc/passwd -a -r etc/passwd.new ]; then
  cat etc/passwd.new | while read line ; do
    if ! grep -q "^$(echo $line | cut -f 1 -d :):" etc/passwd ; then
      echo $line >> etc/passwd
    fi
  done
fi
if [ -r etc/shadow -a -r etc/shadow.new ]; then
  cat etc/shadow.new | while read line ; do
    if ! grep -q "^$(echo $line | cut -f 1 -d :):" etc/shadow ; then
      echo $line >> etc/shadow
    fi
  done
fi
if [ -r etc/group -a -r etc/group.new ]; then
  cat etc/group.new | while read line ; do
    if ! grep -q "^$(echo $line | cut -f 1 -d :):" etc/group ; then
      echo $line >> etc/group
    fi
  done
fi

config etc/mtab.new
config etc/motd.new
config etc/group.new
config etc/csh.login.new
config etc/ld.so.conf.new
config etc/profile.new
config etc/hosts.new
config etc/inputrc.new
config etc/shadow.new
config etc/passwd.new
config etc/printcap.new
config etc/networks.new
config etc/HOSTNAME.new
config etc/gshadow.new
config etc/issue.new
config etc/securetty.new
config etc/shells.new
config etc/services.new
config etc/issue.net.new
config etc/nsswitch.conf.new
config etc/profile.d/lang.csh.new
config etc/profile.d/lang.sh.new
config etc/profile.d/z-dot-in-non-root-path.csh.new
config etc/profile.d/z-dot-in-non-root-path.sh.new
config var/log/lastlog.new
config var/log/wtmp.new
config var/run/utmp.new

if [ -r etc/ld.so.conf.new -a -r etc/ld.so.conf ]; then
  # Ensure that ld.so.conf contains the minimal set of paths:
  cat etc/ld.so.conf | while read pathline ; do
    if ! grep "^${pathline}$" etc/ld.so.conf.new 1> /dev/null 2> /dev/null ; then
      echo "$pathline" >> etc/ld.so.conf.new
    fi
  done
  cp etc/ld.so.conf.new etc/ld.so.conf
fi

# Clean up useless non-examples:
rm -f etc/mtab.new
rm -f etc/motd.new
rm -f etc/ld.so.conf.new
rm -f etc/hosts.new
#rm -f etc/shadow.new
rm -f etc/networks.new
rm -f etc/HOSTNAME.new
#rm -f etc/gshadow.new
rm -f etc/shells.new
rm -f etc/printcap.new
rm -f etc/issue.new
rm -f etc/issue.net.new
#rm -f etc/profile.d/lang.csh.new
#rm -f etc/profile.d/lang.sh.new
rm -f var/run/utmp.new
rm -f var/log/lastlog.new
rm -f var/log/wtmp.new

# Make sure $HOME is correct for user sddm:
chroot . /usr/sbin/usermod -d /var/lib/sddm sddm > /dev/null 2> /dev/null
# Make sure that sddm is a member of group video:
chroot . /usr/sbin/usermod --groups video sddm > /dev/null 2> /dev/null

# Also ensure ownerships/perms:
chown root.utmp var/run/utmp var/log/wtmp
chmod 664 var/run/utmp var/log/wtmp
chown root.shadow etc/shadow etc/gshadow
chmod 640 etc/shadow etc/gshadow

# Match permissions on any leftover config z-dot-in-non-root-path scripts
# to prevent anyone who turned them on from accidentally losing that setting
# by moving the .new script into place:
if [ -r etc/profile.d/z-dot-in-non-root-path.csh.new ]; then
  touch -r etc/profile.d/z-dot-in-non-root-path.csh etc/profile.d/z-dot-in-non-root-path.csh.new
fi
if [ -r etc/profile.d/z-dot-in-non-root-path.sh.new ]; then
  touch -r etc/profile.d/z-dot-in-non-root-path.sh etc/profile.d/z-dot-in-non-root-path.sh.new
fi