#!/bin/sh
# --- T2-COPYRIGHT-NOTE-BEGIN ---
# T2 SDE: package/*/runit/djb-config
# Copyright (C) 2004 - 2022 The T2 SDE Project
# Copyright (C) 1998 - 2003 ROCK Linux Project
# 
# This Copyright note is generated by scripts/Create-CopyPatch,
# more information can be found in the files COPYING and README.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2.
# --- T2-COPYRIGHT-NOTE-END ---

# e.g. $1: admin mail net ...
#      $2: $sbindir $bindir
#
pkg_djb_hierarchy=$1
pkg_djb_altdir=${2:-$root/$bindir}

# $logdir
if [ "${localstatedir%$pkg}" != "$localstatedir" ]; then
	logdir=$localstatedir/log
else
	logdir=$localstatedir/log/$pkg
fi

# $sysconfdir
if [ "${sysconfdir%$pkg}" == "$sysconfdir" ]; then
	sysconfdir=$sysconfdir/$pkg
fi

if [ -z "$pkg_djb_hierarchy" ]; then
	abort "djb-config: must specify hierarchy /package/\$hierarchy."
fi

srcdir="$pkg_djb_hierarchy/$pkg-$ver"

if [ "$createdocs" != "0" ]; then
	createdocs=0
	hook_add postdoc 2 'pkg_djb_installdoc $pkg_djb_hierarchy'
fi

# custmain
#
custmain="pkg_djb_main"
pkg_djb_main() {
	hook_eval premake
	./package/compile
	hook_eval inmake
	pkg_djb_installpackage $pkg_djb_hierarchy $pkg_djb_altdir
	hook_eval postmake
}

pkg_djb_safecopy() {
	local source="$( echo "${1#$root}/$3" | tr -s '/' ) "
	local target="$( echo "${2#$root}/$3" | tr -s '/' ) "
	echo "`pwd`: '$source' -> '$target'"
	cp -vfp $source ${root}/$target
}

pkg_djb_safelink() {
	local source="$( echo "${1#$root}/$3" | tr -s '/' ) "
	local target="$( echo "${2#$root}/$3" | tr -s '/' ) "
	echo "create symbolic link '$source' to '$target'"
	ln -snvf $source ${root}/$target
}

pkg_djb_substitute() {
	sed \
	    -e "s,D_commanddir,$pkg_djb_commanddir,g" \
	    -e "s,D_servicedir,$pkg_djb_servicedir,g" \
	    -e "s,D_logdir,$logdir,g" \
	    $1
}

# installs the package in DJB way if requested
#
pkg_djb_installpackage() {
	# requires ./package/commands
	# and files in ./command

	local x= y=
	local package=$1
	local altdir=$2

	if [ "$pkg_djb_packagedir" ]; then
		echo 'Copying commands to package directory...'
		mkdir -p $pkg_djb_packagedir/$package/$pkg-$ver/command
		for x in `cat ./package/commands`; do
			pkg_djb_safecopy ./command \
				$pkg_djb_packagedir/$package/$pkg-$ver/command $x
		done

		echo "Creating symlink $pkg -> $pkg-$ver..."
		ln -svnf $pkg-$ver $pkg_djb_packagedir/$package/$pkg
	fi

	if [ "$pkg_djb_commanddir" ]; then
		echo "Making command links in $pkg_djb_commanddir..."
		y=pkg_djb_safelink
	else
		echo "Copying commands to $altdir..."
		pkg_djb_commanddir=$altdir
		y=pkg_djb_safecopy
	fi

	if [ "$pkg_djb_packagedir" ]; then
		djb_source_dir=$pkg_djb_packagedir/$package/$pkg-$ver/command
	else
		djb_source_dir=./command
	fi

	for x in `cat package/commands`; do
		$y $djb_source_dir $pkg_djb_commanddir $x
	done
	
	# usr/local is evil :)
	#if [ "$pkg_djb_compatdir" ]; then
	#	echo "Making compatibility links in $pkg_djb_compatdir..."
	#	mkdir -p $pkg_djb_compatdir
	#	for i in `cat package/commands`; do
	#		pkg_djb_safelink $pkg_djb_packagedir/$package/$pkg-$ver/command \
	#			$pkg_djb_compatdir $i
	#	done
	#fi
}

# installs documentation to package directory or $docdir as requested
#
pkg_djb_installdoc() {
	local x package=$1
	local docpkg

	echo 'Copying documentation....'
	if [ "$pkg_djb_packagedir" ]; then
		docpkg=$pkg_djb_packagedir/$package/$pkg-$ver/package
		docdir=$pkg_djb_packagedir/$package/$pkg-$ver/doc
		mkdir -p $docdir
	else
		# $pkg_djb_* includes $root, $docdir doesn't.
		docpkg=$root/$docdir
		docdir=$root/$docdir
	fi
	mkdir -p $docpkg

	# ./package
	for x in `ls ./package`; do
		case $x in
			compile|install*|upgrade)
				/bin/true ;;
			*)	cp -vf ./package/$x $docpkg ;;
		esac
	done

	# ./doc
	if [ -d doc ]; then
		cp -rLv ./doc/* $docdir
	fi

	# ./man
	if [ -d man ]; then
		echo "Installing man pages ... "
		for x in $( cd man; ls -1 *.[1-9] | sed -e 's,.*\.\([1-9]\),\1,g' | sort -u ); do
			gzip -9 ./man/*.$x
			cp -vf ./man/*.$x.gz $root/$mandir/man$x/
		done
	fi
}