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#!/bin/sh
set -e

dhit_libkpathsea_configured ()
{
    kpsewhich --version >/dev/null 2>&1
}

case "$1" in
  configure)
    # dealing with doc link changes, bug #716892
    # tex-common >=4 removes the link 
    #   /usr/share/texmf/doc -> /usr/share/doc/texmf
    # In addition, the preinst of tex-common renames the link
    # and the postinst removes the backup of the link
    #
    # now if the order of unpacking is reversed on upgrade
    # the doc files get lost:
    # wheezy status: context ships files in /usr/share/doc/texmf
    # post wheezy status: context ships files in /usr/share/texmf/doc
    #
    # order of events in the bad case
    # - wheezy installed, dist upgrade
    # - new context is unpacked, files should go into /u/s/texmf/doc,
    #   but since that is a link the files end up in /u/s/doc/texmf.
    # - tex-common is updated, removing the link
    # - tex-common is configured
    # - context is configured
    # files have moved from /u/s/texmf/doc to /u/s/doc/texmf
    #
    # We deal with this case by moving the files back to the
    # proper place in the following way
    # - preinst: 
    #   If . tex-common is at version ~ 3, context at 2012
    #      . /u/s/texmf/doc is a link as specified above
    #   then
    #      touch /var/lib/tex-common/context-inverse-update-stamp
    # - postinst
    #   If . -r /var/lib/tex-common/context-inverse-update-stamp
    #      . doc files are in /u/s/doc/texmf
    #   then move them back to /u/s/texmf/doc
    #
    if [ -r /var/lib/tex-common/context-inverse-update-stamp ] ; then
      dpkg-query --listfiles context | grep ^/usr/share/texmf/doc | while read f
      do
        misplacedf=`echo "$f" | sed -e 's=^/usr/share/texmf/doc=/usr/share/doc/texmf='`
      	if [ -f "$misplacedf" ] ; then
	  mkdir -p `dirname "$f"`
	  mv "$misplacedf" "$f"
	fi
      done
      # try to remove all the directories that have been there
      for i in /usr/share/doc/texmf/context/scripts/mkiv/ \
      	       /usr/share/doc/texmf/context/scripts/mkii/ \
      	       /usr/share/doc/texmf/context/scripts/ \
	       /usr/share/doc/texmf/context/third/gnuplot/ \
	       /usr/share/doc/texmf/context/third/ \
	       /usr/share/doc/texmf/context/document/general/manuals/ \
	       /usr/share/doc/texmf/context/document/general/ \
	       /usr/share/doc/texmf/context/document/ \
	       /usr/share/doc/texmf/context/manuals/allkind/ \
	       /usr/share/doc/texmf/context/manuals/ \
	       /usr/share/doc/texmf/context/ \
	       /usr/share/doc/texmf/man/man1/ \
	       /usr/share/doc/texmf/man/ \
	       /usr/share/doc/texmf/ ; do
        if [ -d $i ] ; then
          rmdir --ignore-fail-on-non-empty $i
	fi
      done
      rm /var/lib/tex-common/context-inverse-update-stamp
    fi
    #
    if dhit_libkpathsea_configured; then
      tempfile=$(mktemp -p /tmp mtxrun.XXXXXXXX)
      printf "Running mtxrun --generate. This may take some time... "
      if mtxrun --generate > $tempfile 2>&1 ; then
        rm -f $tempfile
        echo "done."
      else
        exec >&2
        echo
        echo "mtxrun --generate failed. Output has been stored in"
        echo "$tempfile"
        echo "Please include this file if you report a bug."
        echo
        exit 1
      fi
      tempfile=$(mktemp -p /tmp luatools.XXXXXXXX)
      printf "Pregenerating ConTeXt MarkIV format. This may take some time... "
      if luatools --make cont-en > $tempfile 2>&1 ; then
        rm -f $tempfile
        echo "done."
      else
        exec >&2
        echo
        echo "luatools --make cont-en failed. Output has been stored in"
        echo "$tempfile"
        echo "Please include this file if you report a bug."
        echo
        exit 1
      fi
    fi
  ;;
esac

# Automatically added by dh_installtex/1
##
## 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
    ;;
esac

# End automatically added section
# Automatically added by dh_installdeb/12.1.1ubuntu1
dpkg-maintscript-helper rm_conffile /etc/texmf/fmt.d/20context.cnf 2015.05.18.20150601-1~ -- "$@"
# End automatically added section