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 "$2" lt 1.0.7; then
  19             # apt-key before 0.9.10 could leave empty keyrings around
  20             find /etc/apt/trusted.gpg.d/ -name '*.gpg' | while read keyring; do
  21                 if ! test -s "$keyring"; then
  22                     rm -f "$keyring"
  23                 fi
  24             done
  25         fi
  26
  27         if dpkg --compare-versions "$2" lt-nl 0.9.9.5; then
  28             # we are using tmpfiles for both
  29             rm -f /etc/apt/trustdb.gpg
  30             # this removal was done unconditional since 0.8.15.3
  31             SECRING='/etc/apt/secring.gpg'
  32             # test if secring is an empty normal file
  33             if test -f $SECRING -a ! -s $SECRING; then
  34                 rm -f $SECRING
  35             fi
  36         fi
  37
  38         # add unprivileged user for the apt methods
  39         adduser --force-badname --system -home /var/empty \
  40             --no-create-home --quiet _apt || true
  41         chown -R _apt:root \
  42             /var/lib/apt/lists \
  43             /var/cache/apt/archives
  44
  45         # ensure tighter permissons on the logs, see LP: #975199
  46         if dpkg --compare-versions "$2" lt-nl 0.9.7.7; then
  47             # ensure permissions are right
  48             chmod -f 0640 /var/log/apt/term.log* || true
  49         fi
  50
  51         # create kernel autoremoval blacklist on update
  52         if dpkg --compare-versions "$2" lt 0.9.9.3; then
  53             /etc/kernel/postinst.d/apt-auto-removal
  54         fi
  55     ;;
  56
  57     abort-upgrade|abort-remove|abort-deconfigure)
  58
  59     ;;
  60
  61     *)
  62         echo "postinst called with unknown argument \`$1'" >&2
  63         exit 1
  64     ;;
  65 esac
  66
  67 # dh_installdeb will replace this with shell code automatically
  68 # generated by other debhelper scripts.
  69
  70 #DEBHELPER#
  71
  72 exit 0
  73
  74