# install-man.in - install a manpage.
#
# Copyright (c) 1997, 1998 Joseph Samuel Myers.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

set -e

if [ $# = 1 ]; then
    page=$1
    basepage=$(basename "$page")
    section=${basepage##*.}
    if [ "$section" = 6 ]; then
	mandir=@install_prefix@@man6dir@
    elif [ "$section" = 8 ]; then
	mandir=@install_prefix@@man8dir@
    elif [ "$section" = 5 ]; then
	mandir=@install_prefix@@man5dir@
    else
	echo "Unknown manpage section $section" >&2
	exit 1
    fi
    @install_manpage@ "$page" "$mandir/$basepage"
    if [ @gzip_manpages@ = y ]; then
	rm -f "$mandir/$basepage.gz"
	gzip -9 "$mandir/$basepage"
    fi
elif [ $# = 2 ]; then
    # Manpage 2 should link to manpage 1.  No complications of removing
    # directories from their names.
    page1=$1
    section1=${page1##*.}
    page2=$2
    section2=${page2##*.}
    if [ "$section2" = 6 ]; then
	mandir=@install_prefix@@man6dir@
    elif [ "$section2" = 8 ]; then
	mandir=@install_prefix@@man8dir@
    elif [ "$section2" = 5 ]; then
	mandir=@install_prefix@@man5dir@
    else
	echo "Unknown manpage section $section2" >&2
	exit 1
    fi
    if [ @use_dot_so@ = .so ]; then
	echo ".so man$section1/$page1" >"$mandir/$page2"
	chmod @manpage_perms@ "$mandir/$page2"
	if [ @do_chown@ = y ]; then
	    chown @manpage_owner@:@manpage_group@ "$mandir/$page2"
	fi
	if [ @gzip_manpages@ = y ]; then
	    rm -f "$mandir/$page2.gz"
	    gzip -9 "$mandir/$page2"
	fi
    else
	if [ "$section1" = "$section2" ]; then
	    linkto="$page1"
	else
	    linkto="../man$section1/$page1"
	fi
	if [ @gzip_manpages@ = y ]; then
	    ln -sf "$linkto.gz" "$mandir/$page2.gz"
	else
	    ln -sf "$linkto" "$mandir/$page2"
	fi
    fi
else
    echo "usage: $0 manpage [ manpage ]" >&2
    exit 1
fi
