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#!/bin/sh
#
# Copyright (c) 1994 Geoffrey M. Rehmet, Rhodes University
# 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. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by Geoffrey M. Rehmet
# 4. Neither the name of Geoffrey M. Rehmet nor that of Rhodes University
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED ``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 GEOFFREY M. REHMET OR RHODES UNIVERSITY 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.
#
# $FreeBSD: release/9.1.0/usr.sbin/manctl/manctl.sh 71293 2001-01-20 04:30:41Z jedgar $
#
# manctl:
# a utility for manipulating manual pages
# functions:
# compress uncompressed man pages (elliminating .so's)
# this is now two-pass. If possible, .so's
# are replaced with hard links
# uncompress compressed man pages
# purge old formatted man pages (not implemented yet)
# Things to watch out for:
# Hard links - careful with g(un)zipping!
# .so's - throw everything through soelim before gzip!
# symlinks - ignore these - eg: expn is its own man page:
# don't want to compress this!
#
PATH=/bin:/sbin:/usr/bin:/usr/sbin; export PATH
#
# purge cat? directories
#
do_purge()
{
echo "purge $@" 2>&1
echo "not implemented yet\n" 2>&1
}
#
# Uncompress one page
#
uncompress_page()
{
local pname
local fname
local sect
local ext
# break up file name
pname=$1
IFS='.' ; set $pname
# less than 3 fields - don't know what to do with this
if [ $# -lt 3 ] ; then
IFS=" " ; echo ignoring $pname 1>&2 ; return 0 ;
fi
# construct name and section
fname=$1 ; shift
while [ $# -gt 2 ] ; do
fname=$fname.$1
shift
done
sect=$1
ext=$2
IFS=" "
case "$ext" in
gz|Z) {
IFS=" " ; set `file $pname`
if [ $2 != "gzip" ] ; then
echo moving hard link $pname 1>&2
mv $pname $fname.$ext # link
else
if [ $2 != "symbolic" ] ; then
echo gunzipping page $pname 1>&2
temp=`mktemp -t manager` || exit 1
gunzip -c $pname > $temp
chmod u+w $pname
cp $temp $pname
chmod 444 $pname
mv $pname $fname.$sect
rm -f $temp
else
# skip symlinks - this can be
# a program like expn, which is
# its own man page !
echo skipping symlink $pname 1>&2
fi
fi };;
*) {
IFS=" "
echo skipping file $pname 1>&2
} ;;
esac
# reset IFS - this is important!
IFS=" "
}
#
# Uncompress manpages in paths
#
do_uncompress()
{
local i
local dir
local workdir
workdir=`pwd`
while [ $# != 0 ] ; do
if [ -d $1 ] ; then
dir=$1
cd $dir
for i in * ; do
case $i in
*cat?) ;; # ignore cat directories
*) {
if [ -d $i ] ; then
do_uncompress $i
else
if [ -e $i ] ; then
uncompress_page $i
fi
fi } ;;
esac
done
cd $workdir
else
echo "directory $1 not found" 1>&2
fi
shift
done
}
#
# Remove .so's from one file
#
so_purge_page()
{
local so_entries
local lines
local fname
so_entries=`grep "^\.so" $1 | wc -l`
if [ $so_entries -eq 0 ] ; then return 0 ; fi
# we have a page with a .so in it
echo $1 contains a .so entry 2>&1
# now check how many lines in the file
lines=`wc -l < $1`
# if the file is only one line long, we can replace it
# with a hard link!
if [ $lines -eq 1 ] ; then
fname=$1;
echo replacing $fname with a hard link
set `cat $fname`;
rm -f $fname
ln ../$2 $fname
else
echo inlining page $fname 1>&2
temp=`mktemp -t manager` || exit 1
cat $fname | \
(cd .. ; soelim ) > $temp
chmod u+w $fname
cp $temp $fname
chmod 444 $fname
rm -f $temp
fi
}
#
# Remove .so entries from man pages
# If a page consists of just one line with a .so,
# replace it with a hard link
#
remove_so()
{
local pname
local fname
local sect
# break up file name
pname=$1
IFS='.' ; set $pname
if [ $# -lt 2 ] ; then
IFS=" " ; echo ignoring $pname 1>&2 ; return 0 ;
fi
# construct name and section
fname=$1 ; shift
while [ $# -gt 1 ] ; do
fname=$fname.$1
shift
done
sect=$1
IFS=" "
case "$sect" in
gz) { echo file $pname already gzipped 1>&2 ; } ;;
Z) { echo file $pname already compressed 1>&2 ; } ;;
[12345678ln]*){
IFS=" " ; set `file $pname`
if [ $2 = "gzip" ] ; then
echo moving hard link $pname 1>&2
mv $pname $pname.gz # link
else
if [ $2 != "symbolic" ] ; then
echo "removing .so's in page $pname" 1>&2
so_purge_page $pname
else
# skip symlink - this can be
# a program like expn, which is
# its own man page !
echo skipping symlink $pname 1>&2
fi
fi };;
*) {
IFS=" "
echo skipping file $pname 1>&2
} ;;
esac
# reset IFS - this is important!
IFS=" "
}
#
# compress one page
# We need to watch out for hard links here.
#
compress_page()
{
local pname
local fname
local sect
# break up file name
pname=$1
IFS='.' ; set $pname
if [ $# -lt 2 ] ; then
IFS=" " ; echo ignoring $pname 1>&2 ; return 0 ;
fi
# construct name and section
fname=$1 ; shift
while [ $# -gt 1 ] ; do
fname=$fname.$1
shift
done
sect=$1
IFS=" "
case "$sect" in
gz) { echo file $pname already gzipped 1>&2 ; } ;;
Z) { echo file $pname already compressed 1>&2 ; } ;;
[12345678ln]*){
IFS=" " ; set `file $pname`
if [ $2 = "gzip" ] ; then
echo moving hard link $pname 1>&2
mv $pname $pname.gz # link
else
if [ $2 != "symbolic" ] ; then
echo gzipping page $pname 1>&2
temp=`mktemp -t manager` || exit 1
cat $pname | \
(cd .. ; soelim )| gzip -c -- > $temp
chmod u+w $pname
cp $temp $pname
chmod 444 $pname
mv $pname $pname.gz
rm -f $temp
else
# skip symlink - this can be
# a program like expn, which is
# its own man page !
echo skipping symlink $pname 1>&2
fi
fi };;
*) {
IFS=" "
echo skipping file $pname 1>&2
} ;;
esac
# reset IFS - this is important!
IFS=" "
}
#
# Compress man pages in paths
#
do_compress_so()
{
local i
local dir
local workdir
local what
what=$1
shift
workdir=`pwd`
while [ $# != 0 ] ; do
if [ -d $1 ] ; then
dir=$1
cd $dir
for i in * ; do
case $i in
*cat?) ;; # ignore cat directories
*) {
if [ -d $i ] ; then
do_compress_so $what $i
else
if [ -e $i ] ; then
$what $i
fi
fi } ;;
esac
done
cd $workdir
else
echo "directory $1 not found" 1>&2
fi
shift
done
}
#
# Display a usage message
#
ctl_usage()
{
echo "usage: $1 -compress <path> ... " 1>&2
echo " $1 -uncompress <path> ... " 1>&2
echo " $1 -purge <days> <path> ... " 1>&2
echo " $1 -purge expire <path> ... " 1>&2
exit 1
}
#
# remove .so's and do compress
#
do_compress()
{
# First remove all so's from the pages to be compressed
do_compress_so remove_so "$@"
# now do ahead and compress the pages
do_compress_so compress_page "$@"
}
#
# dispatch options
#
if [ $# -lt 2 ] ; then ctl_usage $0 ; fi ;
case "$1" in
-compress) shift ; do_compress "$@" ;;
-uncompress) shift ; do_uncompress "$@" ;;
-purge) shift ; do_purge "$@" ;;
*) ctl_usage $0 ;;
esac