postinst is in texlive-base 2015.20160320-1ubuntu0.1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132  | #!/bin/sh -e
# texlive-base postinst.pre begin
# initial version 2010 by Frank Küster, frank@debian.org
# probably not copyrightable as it looks now, but anyway the code maybe 
# freely copied, distributed and/or modified
ucf_is_changed() {
  file=$1
  if  [ "$(ucfq --with-colons $file | cut -f 4 --delimiter=:)" = "Yes" ] ; then
    # shell return codes are reverted!
    return 0
  else
    return 1
  fi
}
# libpaper upgrade path
# * first remove the config files config.ps, pdftexconfig.tex,
#   dvipdfmx.cfg, XDvi with dpkg-maintscript-helper
#   attention: that has to be done in preinst, postinst, and postrm
# * purge the ucf attribution
libpaper_upgrade_version=2011.20120322-2
libpaper_files="/etc/texmf/dvips/config/config.ps \
               /etc/texmf/tex/generic/config/pdftexconfig.tex \
               /etc/texmf/dvipdfmx/dvipdfmx.cfg \
               /etc/texmf/xdvi/XDvi"
case "$1" in
  configure|reconfigure)
  old_version=$2
  for file in $libpaper_files ; do
    rm -f $file.ucf-old
    rm -f $file.ucf-new
    rm -f $file.ucf-dist
    ucf --purge $file
    if test -x "`which ucfr`" ; then
      ucfr --purge texlive-base $file
    fi
  done
 
  mktexlsr /usr/share/texlive/texmf-dist /usr/share/texmf /var/lib/texmf 
  for binary in dvips dvipdfmx xdvi pdftex; do
    if localpaper=$(tl-paper get $binary); then
      tl-paper set $binary $localpaper
    fi
  done
  # the test for "lt" gives true even if $old_version is empty, so 
  # on new installs, this is what we want
  if dpkg --compare-versions "$old_version" lt $libpaper_upgrade_version; then
    # we are installing from scratch or upgrading from an older version
    /etc/libpaper.d/texlive-base
  fi
  #
  # dvipdfm has disappeared, so we do not need this useless file anymore
  # as it is generated and not used 
  if [ -r /var/lib/texmf/dvipdfm/config-paper ] ; then
    rm -f /var/lib/texmf/dvipdfm/config-paper
    rmdir --ignore-fail-on-non-empty /var/lib/texmf/dvipdfm
  fi
  ;;
  *)
  ;;
esac
# Automatically added by dh_installmenu
if [ "$1" = "configure" ] && [ -x "`which update-menus 2>/dev/null`" ]; then
	update-menus
fi
# End automatically added section
# Automatically added by dh_installtex
##
## postinst-tex
##
## postinst snippets for everything TeX related
## simply call update-texmf-config triggers
##
## Authors:
##       Norbert Preining <preining@logic.at>
##
#
case "$1" in
    configure|abort-upgrade|abort-remove|abort-deconfigure)
        update-texmf-config format map
    ;;
esac
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/texmf/dvipdfm/config/config 2013.20130904-1~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/texmf/xdvi/xdvi.cfg 2013.20131010-2~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/texmf/fmt.d/10texlive-base.cnf 2015.20150524-1~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/texmf/fmt.d/10texlive-base.cnf 2015.20150524-1~ -- "$@"
# End automatically added section
# texlive-base postinst.post begin
# probably not copyrightable as it looks now, but anyway the code maybe 
# freely copied, distributed and/or modified
case "$1" in
  configure|reconfigure)
  # dh_maintscript tries to remove old conffiles
  # here (after the generated code) we try to remove the
  # respective directories, too
  if [ -d /etc/texmf/xdvi ] ; then
    rmdir --ignore-fail-on-non-empty /etc/texmf/xdvi
  fi
  if [ -d /etc/texmf/dvipdfm/config ] ; then
    rmdir --ignore-fail-on-non-empty /etc/texmf/dvipdfm/config
    rmdir --ignore-fail-on-non-empty /etc/texmf/dvipdfm
  fi
  ;;
  *)
  ;;
esac
exit 0
 |