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#!/bin/sh
# $Id: preinst 180 2009-01-23 23:01:19Z robert $
# preinst for doc-base
# Abort if any command returns an error value
set -e
package=doc-base
infodir="/var/lib/$package/info"
docsdir="/var/lib/$package/documents"
omfdir="/var/lib/$package/omf"
remove_obsolete() {
# remove old dhelp files (from versions <= 0.8.4)
find $infodir -maxdepth 1 -type f -name "*.list" -print0 | xargs -0 grep -h '^/.*/.dhelp' | \
while read f; do
[ -e "$f" ] || continue;
# [ -x /usr/sbin/dhelp_parse ] && /usr/sbin/dhelp_parse -d "`dirname "$f"`" || true
rm -f "$f"
done
# remove old scrollkeeper files
find $infodir -maxdepth 1 -type f -name "*.status" -print0 | \
xargs -0 sed -ne 's/^Scrollkeeper-omf-file: *"*\(.*-C.omf\)"* *$/\1/p' | \
while read f; do
[ -e "$f" ] || continue;
rm -f "$f"
rmdir --ignore-fail-on-non-empty "`dirname "$f"`" || true
done
# remove newer dhelp files
find $infodir -maxdepth 1 -type f -name "*.status" -print0 | \
xargs -0 sed -ne 's/^Dhelp-file: *"*\(.*\.dhelp\)"* *$/\1/p' | \
while read f; do
[ -e "$f" ] || continue;
rm -f "$f"
done
# remove newer scrollkeeper files
find $infodir -maxdepth 2 -type f -name "*.omf" -print0 | xargs -0 rm -f
find $infodir -maxdepth 1 -type d -print0 | xargs -0 rmdir --ignore-fail-on-non-empty
# remove status/list files
find $infodir -maxdepth 1 -type f \( -name "*.status" -o -name "*.list" -o -name "*.db" \) -print0 | \
xargs -0 rm -f
# remove generated documents
find $docsdir -maxdepth 1 -type f -print0 | xargs -0 rm -f
}
if [ "$1" = "upgrade" ] && dpkg --compare-versions "$2" lt-nl "0.8.12"; then
remove_obsolete
fi
#DEBHELPER#
exit 0
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