preinst is in texpower 0.2-7.1.
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 | #!/bin/sh
# Prepare to move a conffile without triggering a dpkg question
prep_mv_conffile() {
CONFFILE="$1"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`sed -n -e \"/^Conffiles:/,/^[^ ]/{\\\\' $CONFFILE'{s/.* //;p}}\" /var/lib/dpkg/status`"
if [ "$md5sum" = "$old_md5sum" ]; then
rm -f "$CONFFILE"
fi
fi
}
# Remove a no-longer used conffile
rm_conffile() {
CONFFILE="$1"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`sed -n -e \"/^Conffiles:/,/^[^ ]/{\\\\' $CONFFILE'{s/.* //;p}}\" /var/lib/dpkg/status`"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE".bak
else
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "0.0.9d-3"; then
prep_mv_conffile "/etc/texpower/tpoptions.cfg"
prep_mv_conffile "/etc/texpower/tpsettings.cfg"
prep_mv_conffile "/etc/texpower/tpcolors.cfg"
rm_conffile "/etc/texpower/__TP.cfg"
fi
if dpkg --compare-versions "$2" le "0.2-3"; then
prep_mv_conffile "/etc/texmf/latex/tpoptions.cfg"
prep_mv_conffile "/etc/texmf/latex/tpsettings.cfg"
prep_mv_conffile "/etc/texmf/latex/tpcolors.cfg"
fi
esac
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