preinst is in docbook-xml 4.5-7.3.
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
set -e
rm_conffile() {
CONFFILE="$1"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`dpkg-query -W -f='${Conffiles}' docbook-xml | grep $CONFFILE | awk '{print $2}'`"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
else
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
fi
}
# converting a directory to symlinks during package upgrade doesn't work,
# lets remove the junk in here by hand
# bug 143780, problems caused by danging symlinks
if [ "$1" = upgrade ]; then
rm -r /usr/share/sgml/docbook/dtd/xml/[1-9]* || true
fi
# handle obsolete dbgenent.ent files, that are placed in /etc/sgml/docbook-xml
# fixes bug #426058
# 4.5: obsoletes 3.1.7
if [ "$1" = remove ] || [ "$1" = upgrade ]; then
if dpkg --compare-versions "$2" lt "4.5"; then
rm_conffile "/etc/sgml/docbook-xml/3.1.7/dbgenent.ent"
fi
fi
# Automatically added by dh_installcatalogs
if test -f /etc/sgml/docbook-xml.cat -a "(" "$1" = "upgrade" -o "$1" = "install" -a -n "$2" ")" &&
! dpkg-query -S /etc/sgml/docbook-xml.cat >/dev/null 2>&1; then
# If the dpkg-query command returns non-zero, the central catalog is
# not owned by any package. This is due to an old behaviour of
# debhelper. Now that file becomes a conffile. In order to avoid a
# question during installation, we remove the old non-conffile.
mv /etc/sgml/docbook-xml.cat /etc/sgml/docbook-xml.cat.old
fi
# End automatically added section
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