File: doc-linux-html.preinst

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doc-linux-nonfree 2006.09-1
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#! /bin/sh

set -e

if [ -d /usr/doc/doc-linux-html ] && [ ! -h /usr/doc/doc-linux-html ] \
     && [ -f /usr/doc/doc-linux-html/.dhelp ]; then
    rm -f /usr/doc/doc-linux-html/.dhelp
    rmdir /usr/doc/doc-linux-html
fi

# This version number is later than you might expect, because I missed some
# cases before 2002.04-2. The postrm only unwinds before 2001.11-1, because
# the intermediate versions were just mistakes.
if [ "$1" = upgrade ] && dpkg --compare-versions "$2" lt-nl 2002.04-2; then
    # In earlier versions, /usr/share/doc/FAQ was a symlink to
    # /usr/share/doc/doc-linux-html/FAQ. This reverses the sense of the
    # symlink so that dpkg doesn't complain. It also cunningly handles other
    # packages installing into /usr/share/doc/FAQ before this migration
    # happens: they'll install through the symlink and then the whole thing
    # will be moved in one piece.
    if [ ! -h /usr/share/doc/doc-linux-html/FAQ ] \
	 && [ -d /usr/share/doc/doc-linux-html/FAQ ]; then
	# This might be in a strange state, depending on when doc-linux-text
	# was installed.
	if [ -h /usr/share/doc/FAQ ] || [ ! -d /usr/share/doc/FAQ ]; then
	    rm -f /usr/share/doc/FAQ
	fi
	mkdir -p /usr/share/doc/FAQ
	find /usr/share/doc/doc-linux-html/FAQ -mindepth 1 -maxdepth 1 | \
	    xargs -r -iname mv name /usr/share/doc/FAQ/
	rmdir /usr/share/doc/doc-linux-html/FAQ
	ln -s ../FAQ /usr/share/doc/doc-linux-html/FAQ
    fi
fi

#DEBHELPER#

exit 0