#
# ksh93.cygport
#
# Copyright (C) 2024 Roland Mainz <roland.mainz@nrubsig.org>
#
# This file is free software; I give unlimited permission to copy and/or
# distribute it, with or without modifications, as long as this notice is
# preserved.
#

NAME=astksh
LICENSE="Eclipse Public License - v 2.0"
HOMEPAGE="https://github.com/ksh93/ksh"
VERSION=1.0.10
RELEASE=0

PKG_NAMES="astksh astksh_devel"

astksh_SUMMARY="The AT&T Korn Shell"
astksh_DESCRIPTION="Original version of the AT&T AST Korn Shell 93."
astksh_CATEGORY="Base Shells"
astksh_CONTENTS=" \
	bin/ksh.exe \
	bin/ksh93.exe \
	bin/rksh.exe \
	bin/rksh93.exe \
	etc/ksh.kshrc \
	usr/share/doc/astksh \
	usr/share/man/man1 \
"

astksh_devel_SUMMARY="Development files for AT&T ksh"
astksh_devel_DESCRIPTION="This package contains development tools and scripts for AT&T ksh"
astksh_devel_CATEGORY="Devel"
astksh_devel_CONTENTS="usr/share/ksh \
	bin/shcomp.exe \
"

SRC_URI="https://github.com/ksh93/ksh/archive/refs/tags/v1.0.10.zip"
SRC_DIR='./ksh-1.0.10/'
PATCH_URI=""
#PATCH_URI+=" ksh_1_0_8_libast_Cygwin_set_PATH_LEADING_SLASHES_for_UNC_paths.patch"
#PATCH_URI+=" ksh_1_0_9_mamake_bootstrap.patch"

BUILD_REQUIRES=" \
	bash \
	coreutils \
	bison \
	gcc-g++ \
	libiconv-devel \
	libintl-devel \
	libncurses-devel \
	make \
	sed \
	texinfo \
"

CPPFLAGS=
CYGCONF_ARGS=
DIFF_EXCLUDES=
DOCS=

function print_gnulinux_builtin_header
{
# Make sure to use \\ instead of \ for continuations
cat <<ENDOFTEXT

#ifndef _GNULINUX_KSH_CMDLIST_H
#define _GNULINUX_KSH_CMDLIST_H

#ifdef __cplusplus
extern "C" {
#endif

/*
 * List builtins for Linux.
 * The list here is partially autogenerated and partially hand-picked
 * based on compatibility with the native GNU coreutils versions of
 * these tools
 */

/* GNU coreutils compatible commands.
 * Be careful, some are in /bin while others are in /usr/bin
 */
#define	ASTCMDLIST(f) \
	{ "/usr/ast/bin/"	#f,	NV_BLTIN|NV_BLTINOPT|NV_NOFREE, bltin(f) },
#define	BINCMDLIST(f)	\
	{ "/bin/"		#f,	NV_BLTIN|NV_BLTINOPT|NV_NOFREE, bltin(f) }, \
	{ "/usr/bin/"		#f,	NV_BLTIN|NV_BLTINOPT|NV_NOFREE, bltin(f) },
/* undo ast_map.h #defines to avoid collision */
#undef basename
#undef chmod
#undef chown
#undef dirname
#undef mkdir
#undef mkfifo
#undef mktemp
#undef readlink
#undef realpath
#undef rmdir


/* Generated data, do not edit. */
BINCMDLIST(basename)
BINCMDLIST(cksum)
BINCMDLIST(comm)
BINCMDLIST(cut)
BINCMDLIST(dirname)
BINCMDLIST(expr)
BINCMDLIST(fold)
BINCMDLIST(join)
BINCMDLIST(logname)
BINCMDLIST(mkdir)
BINCMDLIST(mkfifo)
BINCMDLIST(mktemp)
BINCMDLIST(paste)
BINCMDLIST(pathchk)
BINCMDLIST(rev)
BINCMDLIST(rmdir)
BINCMDLIST(sleep)
BINCMDLIST(sync)
BINCMDLIST(tee)
BINCMDLIST(tty)
BINCMDLIST(uniq)
BINCMDLIST(wc)

/* Mandatory for ksh93 test suite and AST scripts */
BINCMDLIST(getconf)

ASTCMDLIST(basename)
ASTCMDLIST(cat)
ASTCMDLIST(chgrp)
ASTCMDLIST(chmod)
ASTCMDLIST(chown)
ASTCMDLIST(cksum)
ASTCMDLIST(cmp)
ASTCMDLIST(comm)
ASTCMDLIST(cp)
ASTCMDLIST(cut)
ASTCMDLIST(date)
ASTCMDLIST(dirname)
//BINCMDLIST(egrep)
//ASTCMDLIST(egrep)
ASTCMDLIST(expr)
ASTCMDLIST(fds)
//BINCMDLIST(fgrep)
//ASTCMDLIST(fgrep)
ASTCMDLIST(fmt)
ASTCMDLIST(fold)
//BINCMDLIST(grep)
//ASTCMDLIST(grep)
ASTCMDLIST(head)
ASTCMDLIST(id)
//BINCMDLIST(iconv)
//ASTCMDLIST(iconv)
ASTCMDLIST(join)
ASTCMDLIST(ln)
ASTCMDLIST(logname)
//ASTCMDLIST(ls)
ASTCMDLIST(md5sum)
BINCMDLIST(md5sum)
ASTCMDLIST(mkdir)
ASTCMDLIST(mkfifo)
ASTCMDLIST(mktemp)
ASTCMDLIST(mv)
ASTCMDLIST(paste)
ASTCMDLIST(pathchk)
ASTCMDLIST(pids)
//BINCMDLIST(od)
//ASTCMDLIST(od)
//BINCMDLIST(readlink)
//ASTCMDLIST(readlink)
//BINCMDLIST(realpath)
//ASTCMDLIST(realpath)
ASTCMDLIST(rev)
ASTCMDLIST(rm)
ASTCMDLIST(rmdir)
ASTCMDLIST(stty)
//ASTCMDLIST(sha1sum)
//BINCMDLIST(sha1sum)
//ASTCMDLIST(sha256sum)
//BINCMDLIST(sha256sum)
//ASTCMDLIST(sha384sum)
//BINCMDLIST(sha384sum)
//ASTCMDLIST(sha512sum)
//BINCMDLIST(sha512sum)
ASTCMDLIST(sum)
ASTCMDLIST(sync)
ASTCMDLIST(tail)
ASTCMDLIST(tee)
//BINCMDLIST(tr)
//ASTCMDLIST(tr)
ASTCMDLIST(tty)
ASTCMDLIST(uname)
ASTCMDLIST(uniq)
//ASTCMDLIST(vmstate)
ASTCMDLIST(wc)
// ASTCMDLIST(xgrep)
//BINCMDLIST(xargs)
//ASTCMDLIST(xargs)

#ifdef __cplusplus
}
#endif

#endif /* !_GNULINUX_KSH_CMDLIST_H */
ENDOFTEXT
	return 0
}

src_compile()
{
	cd ${S}

	#
	# prepare build
	#

	# translate cygport ARCH to AST hosttype
	if [[ "$ARCH" == 'i686' ]] ; then
		ast_hosttype='cygwin.i386'
	elif [[ "$ARCH" == 'x86_64' ]] ; then
		ast_hosttype='cygwin.i386-64'
	else
		false
	fi

	gnulinux_builtin_header="${PWD}/tmp_gnulinux_builtin_header.h"
	print_gnulinux_builtin_header >"${gnulinux_builtin_header}"

	# ksh93+AST config flags
	bast_flags="-DSHOPT_CMDLIB_BLTIN=0 -DSH_CMDLIB_DIR=\\\"/usr/ast/bin\\\" -DSHOPT_CMDLIB_HDR=\\\"${gnulinux_builtin_header}\\\" -DSHOPT_SYSRC"

	# build debug
	#export IFFEFLAGS=-d1

	# fix build issues with mkfifo
	if false ; then
		# ksh93 v1.0.8
		sed -i -r 's/mkfifo.+?(-m [[:digit:]]+)/mkfifo /g' ./src/cmd/INIT/package.sh ./bin/package
	else
		# ksh93 >= v1.0.9
		sed -i -r 's/mkfifo.+?(-m [[:digit:]]+)/mkfifo /g' ./bin/package
	fi


	#
	# build AT&T AST ksh
	#
	if [[ "$ARCH" == 'i686' ]] ; then
		export SHELL=/bin/bash HOSTTYPE="${ast_hosttype}"; \
			/bin/bash ./bin/package make \
				CC="/usr/bin/gcc -m32 -std=gnu17" CCFLAGS="-Os -g ${bast_flags}" SHELL="$SHELL" HOSTTYPE="$HOSTTYPE"
	elif [[ "$ARCH" == 'x86_64' ]] ; then
		export SHELL=/bin/bash HOSTTYPE="${ast_hosttype}"; \
			/bin/bash ./bin/package make \
				CC="/usr/bin/gcc -m64 -std=gnu17" CCFLAGS="-Os -g ${bast_flags}" SHELL="$SHELL" HOSTTYPE="$HOSTTYPE"
	else
		# unsupported arch!
		false
	fi


	#
	# create ksh.kshrc
	#
	{
		printf '#\n'
		printf '# /etc/ksh.kshrc+~/.kshrc are sourced only for interactive shells\n'
		printf '#\n'
		printf '\n'
		printf 'function _ksh_kshrc_is_windows_admin_account\n'
		printf '{\n'
		printf '	#\n'
		printf '	# Test whether we have the Windows permissions to install DLLs\n'
		printf '	# and the kernel module\n'
		printf '	#\n'
		printf '	# Usually Windows Adminstrator rights are indicated by the\n'
		printf '	# membership in group "544(Administratoren)" (Cygwin maps\n'
		printf '	# "SID S-1-5-32-544" to GID 544)\n'
		printf '	#\n'
		printf '	if [[ "$(/usr/bin/id -G)" =~ (^|[[:space:]]+)544([[:space:]]+|$) ]] ; then\n'
		printf '		return 0\n'
		printf '	fi\n'
		printf '	return 1\n'
		printf '}\n'
		printf '\n'
		printf '# default prompt\n'
		printf 'if _ksh_kshrc_is_windows_admin_account ; then\n'
		printf '	PS1=$'\''\\E[1;91m$(/usr/bin/logname)@$(/usr/bin/hostname) \\E[1;33m${PWD/~(Sl-r)$HOME/"~"}\\E[0m\\n$ '\''\n'
		printf 'else\n'
		printf '	PS1=$'\''\\E[1;32m$(/usr/bin/logname)@$(/usr/bin/hostname) \\E[1;33m${PWD/~(Sl-r)$HOME/"~"}\\E[0m\\n$ '\''\n'
		printf 'fi\n'
		printf '\n'
		printf '# default editor mode\n'
		printf 'set -o gmacs\n'
		printf '\n'
		printf '# EOF.\n'
	} >${S}/etc_ksh_kshrc
}

#
# install ksh, rksh, shcomp
#
src_install()
{
	if [[ "$ARCH" == 'i686' ]] ; then
		ast_hosttype='cygwin.i386'
	elif [[ "$ARCH" == 'x86_64' ]] ; then
		ast_hosttype='cygwin.i386-64'
	else
		false
	fi

	/usr/bin/install -D -m0755 ${S}/arch/${ast_hosttype}/bin/ksh.exe ${D}/bin/ksh.exe
	ln ${D}/bin/ksh.exe ${D}/bin/rksh.exe
	ln ${D}/bin/ksh.exe ${D}/bin/ksh93.exe
	ln ${D}/bin/ksh.exe ${D}/bin/rksh93.exe
	/usr/bin/install -D -m0755 ${S}/arch/${ast_hosttype}/bin/ksh.exe ${D}/bin/shcomp.exe
	/usr/bin/install -D -m0644 ${S}/arch/${ast_hosttype}/man/man1/sh.1 ${D}/usr/share/man/man1/ksh.1
	/usr/bin/install -D -m0644 ${S}/etc_ksh_kshrc ${D}/etc/ksh.kshrc

	for i in ${S}/src/cmd/ksh93/tests/* ; do
		/usr/bin/install -D -m0644 $i ${D}/usr/share/ksh/tests/$(basename "$i")
	done
}

CYGWIN_MAINTAINER=Roland%20Mainz
CYGWIN_MAINTAINER_EMAIL=roland.mainz@nrubsig.org

CYGWIN_CO_MAINTAINER=Cedric%20Blancher
CYGWIN_CO_MAINTAINER_EMAIL=cedric.blancher@gmail.com

# EOF.