#!/bin/sh
#
# Generate the OpenAFS man pages from POD source.  This script is normally
# invoked by regen.sh but may be run at any time to rebuild all of the man
# pages (with a newer version of pod2man than was used for the release, for
# instance).

# Exit on any error.
set -e

if [ ! -d pod1 ] ; then
    echo 'generate-man must be run from the doc/man-pages directory' >&2
    exit 1
fi

if pod2man pod1/afs.pod > /dev/null ; then
    :
else
    echo 'pod2man not found, skipping man page generation' >&2
    exit 1
fi
if perl -e 'use Pod::Man 2.04' > /dev/null 2>&1 ; then
    :
else
    echo 'Pod::Man is older than the recommended version of 2.04 or later' >&2
    echo 'Continuing with man page generation anyway' >&2
fi

# Create the directories.  We generate each section into its own directory
# to make installation rules easier.
[ -d man1 ] || mkdir man1
[ -d man3 ] || mkdir man3
[ -d man5 ] || mkdir man5
[ -d man8 ] || mkdir man8

# Generate each set of man pages.  For each, allow for the case of the
# directory being empty.  In that case, for won't expand the wildcard, and
# we want to avoid running pod2man with a wildcard as an argument.
pod1=`ls pod1`
if [ -n "$pod1" ] ; then
    cd pod1
    for f in *.pod ; do
        pod2man -c 'AFS Command Reference' -r 'OpenAFS' -s 1 "$f" \
            > ../man1/`echo "$f" | sed 's/\.pod$//'`.1
    done
    cd ..
fi
pod3=`ls pod3`
if [ -n "$pod3" ] ; then
    cd pod3
    for f in *.pod ; do
        pod2man -c 'AFS Library Reference' -r 'OpenAFS' -s 3 "$f" \
            > ../man3/`echo "$f" | sed -e 's/\.pod$//' -e 's/^AFS\./AFS::/'`.3
	# Perl module manpages are named AFS.foo instead of AFS::foo, since
	# we cannot have colons in filenames on Windows. So here, we assume
	# anything with "AFS." should be "AFS::" instead.
    done
    cd ..
fi
pod5=`ls pod5`
if [ -n "$pod5" ] ; then
    cd pod5
    for f in *.pod ; do
        pod2man -c 'AFS File Reference' -r 'OpenAFS' -s 5 "$f" \
            > ../man5/`echo "$f" | sed 's/\.pod$//'`.5
    done
    cd ..
fi
pod8=`ls pod8`
if [ -n "$pod8" ] ; then
    cd pod8
    for f in *.pod ; do
        pod2man -c 'AFS Command Reference' -r 'OpenAFS' -s 8 "$f" \
            > ../man8/`echo "$f" | sed 's/\.pod$//'`.8
    done
    cd ..
fi
