debian/apt.postinst

   1 #! /bin/sh
   2
   3 set -e
   4
   5 # summary of how this script can be called:
   6 #        * <postinst> `configure' <most-recently-configured-version>
   7 #        * <old-postinst> `abort-upgrade' <new version>
   8 #        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
   9 #          <new-version>
  10 #        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
  11 #          <failed-install-package> <version> `removing'
  12 #          <conflicting-package> <version>
  13 # for details, see http://www.debian.org/doc/debian-policy/ or
  14 # the debian-policy package
  15
  16 case "$1" in
  17     configure)
  18         if dpkg --compare-versions "$2" lt 1.1~exp4; then
  19             # apt-key before 0.9.10 could leave empty keyrings around
  20             find /etc/apt/trusted.gpg.d/ -name '*.gpg' | while read keyring; do
  21                 if ! test -s "$keyring"; then
  22                     rm -f "$keyring"
  23                 fi
  24             done
  25             # apt-key before 0.9.8.2 could create 0600 trusted.gpg file
  26             if test -e /etc/apt/trusted.gpg ; then
  27                 chmod -f 0644 /etc/apt/trusted.gpg || true
  28             fi
  29         fi
  30
  31         if dpkg --compare-versions "$2" lt-nl 0.9.9.5; then
  32             # we are using tmpfiles for both
  33             rm -f /etc/apt/trustdb.gpg
  34             # this removal was done unconditional since 0.8.15.3
  35             SECRING='/etc/apt/secring.gpg'
  36             # test if secring is an empty normal file
  37             if test -f $SECRING -a ! -s $SECRING; then
  38                 rm -f $SECRING
  39             fi
  40         fi
  41
  42         # add unprivileged user for the apt methods
  43         adduser --force-badname --system -home /var/empty \
  44             --no-create-home --quiet _apt || true
  45
  46         # ensure the passwords can still be read by the methods
  47         if [ -e /etc/apt/auth.conf ]; then
  48             chown _apt:root /etc/apt/auth.conf
  49         fi
  50
  51         # deal with upgrades from experimental
  52         if dpkg --compare-versions "$2" 'eq' '1.1~exp3'; then
  53             # libapt will setup partial/ at runtime
  54             chown -R root:root /var/lib/apt/lists /var/cache/apt/archives || true
  55         fi
  56
  57         # ensure tighter permissons on the logs, see LP: #975199
  58         if dpkg --compare-versions "$2" lt-nl 0.9.7.7; then
  59             # ensure permissions are right
  60             chmod -f 0640 /var/log/apt/term.log* || true
  61         fi
  62
  63         # create kernel autoremoval blacklist on update
  64         if dpkg --compare-versions "$2" lt 0.9.9.3; then
  65             /etc/kernel/postinst.d/apt-auto-removal
  66         fi
  67     ;;
  68
  69     abort-upgrade|abort-remove|abort-deconfigure)
  70
  71     ;;
  72
  73     *)
  74         echo "postinst called with unknown argument \`$1'" >&2
  75         exit 1
  76     ;;
  77 esac
  78
  79 # dh_installdeb will replace this with shell code automatically
  80 # generated by other debhelper scripts.
  81
  82 #DEBHELPER#
  83
  84 exit 0
  85
  86