# Copyright 2016-2024 Martin V\"ath and Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8
RESTRICT="mirror"
inherit fcaps flag-o-matic gnuconfig required-use-warn toolchain-funcs

MY_PV=${PV//./-}
MY_P="schily-${MY_PV}"
MY_P_TAR="${MY_P}.tar.bz2"
S=${WORKDIR}/${MY_P}

SRC_URI="https://sourceforge.net/projects/schilytools/files/schily-2021-09-18.tar.bz2"
DESCRIPTION="Many tools from Joerg Schilling, including a POSIX compliant Bourne Shell"
HOMEPAGE="https://sourceforge.net/projects/schilytools/"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~sparc-solaris ~x86-solaris"
IUSE="acl caps doc nls split-usr suid unicode xattr"

PATCHES=(
	"${FILESDIR}"/fix-clone-uclibc.patch
	"${FILESDIR}"/strlcat-mapvers.patch
)

add_iuse_expand() {
	local i j
	j=${1}
	shift
	for i
	do	case ${i} in
		+*)
			IUSE=${IUSE}" +${j}_${i#?}";;
		*)
			IUSE=${IUSE}" ${j}_${i}";;
		esac
	done
}
add_iuse_expand renameschily \
	+calc +compare +count +getopt +jsh +libschily +man2html +p
add_iuse_expand schilytools +bosh +calc +calltree +cdrtools \
	+change +compare +copy +count +cpp +cstyle +cut \
	+hdump label +lndir +man2html manmake +match +mdigest mountcd \
	+obosh +p +paste +patch +pbosh pxupgrade +sccs +sfind +smake +star \
	+termcap +translit +udiff +ved

COMMON="!!app-cdr/cdrtools[-schily-tools(-)]
!renameschily_libschily? ( !sys-apps/man )
!renameschily_getopt? ( !sys-apps/man )
schilytools_calc? (
	!renameschily_calc? ( !sci-mathematics/calc )
)
schilytools_compare? (
	!renameschily_compare? (
		!media-gfx/imagemagick !media-gfx/graphicsmagick[imagemagick]
	)
)
schilytools_count? (
	!renameschily_count? ( !sys-devel/llvm )
)
schilytools_bosh? (
	!renameschily_jsh? ( !app-shells/heirloom-sh )
)
schilytools_man2html? (
	!renameschily_man2html? ( !sys-apps/man )
)
schilytools_p? (
	!renameschily_p? ( !dev-util/wiggle )
)
schilytools_translit? ( !dev-perl/Lingua-Translit )
acl? ( virtual/acl )
caps? ( sys-libs/libcap )
nls? ( virtual/libintl )"
DEPEND="${COMMON}"
RDEPEND="${COMMON}"
BDEPEND="nls? ( >=sys-devel/gettext-0.18.1.1 )"
LICENSE="GPL-2 LGPL-2.1 CDDL-Schily"
SLOT="0"

pkg_pretend() {
	required-use-warn
}

# Lot of this code is taken from app-cdr/cdrtools

FILECAPS=(
	cap_sys_resource,cap_dac_override,cap_sys_admin,cap_sys_nice,cap_net_bind_service,cap_ipc_lock,cap_sys_rawio+ep usr/bin/cdrecord --
	cap_dac_override,cap_sys_admin,cap_sys_nice,cap_net_bind_service,cap_sys_rawio+ep usr/bin/cdda2wav --
	cap_dac_override,cap_sys_admin,cap_net_bind_service,cap_sys_rawio+ep usr/bin/readcd
)

cdrtools_os() {
	local os="linux"
	[[ ${CHOST} == *-darwin* ]] && os="mac-os10"
	[[ ${CHOST} == *-freebsd* ]] && os="freebsd"
	echo "${os}"
}

src_schily_prepare() (
	gnuconfig_update

	# Remove profiled make files.
	find -name '*_p.mk' -delete || die "delete *_p.mk"

	# Adjusting hardcoded paths.
	sed -i -e "s|opt/schily|usr|" \
		$(find ./ -type f -name \*.[0-9ch] -exec grep -l 'opt/schily' '{}' '+') \
		|| die "sed opt/schily"

	sed -i -e "s|\(^INSDIR=\t\tshare/doc/\)|\1${PF}/|" \
		$(find ./ -type f -exec grep -l '^INSDIR.\+doc' '{}' '+') \
		|| die "sed doc"

	# Respect libdir.
	sed -i -e "s|\(^INSDIR=\t\t\)lib|\1$(get_libdir)|" \
		$(find ./ -type f -exec grep -l '^INSDIR.\+lib\(/\(siconv\)\?\)\?$' '{}' '+') \
		|| die "sed multilib"

	# Respect libdir for defaults.smk
	sed -i -e "s|/lib/|/$(get_libdir)/|" \
		smake/Makefile \
		|| die "sed multilib for smake"

	# Enable verbose build.
	sed -i -e '/@echo.*==>.*;/s:@echo[^;]*;:&set -x;:' \
		RULES/*.rul RULES/rules.prg RULES/rules.inc \
		|| die "sed verbose rules"

	# Respect CC/CXX variables.
	cd "${S}"/RULES || die
	local tcCC=$(tc-getCC)
	local tcCXX=$(tc-getCXX)
	sed -i -e "/cc-config.sh/s|\$(C_ARCH:%64=%) \$(CCOM_DEF)|${tcCC} ${tcCC}|" \
		rules1.top || die "sed rules1.top"
		# -e "s|^\(DEFCCOM_DEF=\).*|\1\t${tcCC}|" \
	sed -i -e "/^CC_COM_DEF=/s|gcc|${tcCC}|" \
		-e "/^CC++_COM_DEF=/s|g[+][+]|${tcCXX}|" \
		-e "/COPTOPT=/s|-O||" \
		-e 's|[$][(]GCCOPTOPT[)]||' \
		-e 's|[$][(]GCC_OPTXX[)]||' \
		cc-gcc.rul || die "sed cc-gcc.rul"
	sed -i -e "/^CC_COM_DEF=/s|clang|${tcCC}|" \
		-e "/^CC++_COM_DEF=/s|clang[+][+]|${tcCXX}|" \
		-e "/COPTOPT=/s|-O||" \
		-e 's|[$][(]CLANGOPTXX[)]||' \
		cc-clang.rul || die "sed cc-clang.rul"
	sed -i -e "s|^#\(CONFFLAGS +=\).*|\1\t-cc=${tcCC}|" \
		rules.cnf || die "sed rules.cnf"

	# Schily make setup.
	cd "${S}"/DEFAULTS || die
	local os=$(cdrtools_os)

	sed -i \
		-e "s|^\(DEFLINKMODE=\).*|\1\tdynamic|" \
		-e "s|^\(LINUX_INCL_PATH=\).*|\1|" \
		-e "s|^\(LDPATH=\).*|\1|" \
		-e "s|^\(RUNPATH=\).*|\1|" \
		-e "s|^\(INS_BASE=\).*|\1\t${ED}/usr|" \
		-e "s|^\(INS_RBASE=\).*|\1\t${ED}|" \
		-e "s|^\(DEFINSGRP=\).*|\1\t0|" \
		-e "s|^\(DEFCCOM=\).*|\1\t${tcCC}|" \
		-e '/^DEFUMASK/s,002,022,g' \
		Defaults.${os} || die "sed Schily make setup"
	# re DEFUMASK above:
	# bug 486680: grsec TPE will block the exec if the directory is
	# group-writable. This is painful with cdrtools, because it makes a bunch of
	# group-writable directories during build. Change the umask on their
	# creation to prevent this.
)

targets=""

have_target() {
	case " ${targets} " in
	*" ${1} "*)
		return 0;;
	esac
	return 1
}

targets() {
	local i
	for i
	do	have_target "${i}" && continue
		mv -v UNUSED_TARGETS/??"${i}" TARGETS || die
		targets=${targets}${targets:+\ }${i}
	done
}

src_prepare() {
	# schily-tools needs smake https://bugs.gentoo.org/818544
	unset MAKE
	filter-flags -fPIE -pie '-flto*' -fwhole-program -fno-common
	src_schily_prepare
	sed -i -e '1s!man1/sh\.1!man1/bosh.1!' -- "${S}/sh/"{jsh,pfsh}.1 || die
	sed -i \
		-e '/-DDO_POSIX_SH/s/^[#]//' \
		-e '/-DDO_POSIX_PATH/s/^/\#/' \
		-e '/[+][=] -DPOSIX_BOSH_PATH/iCPPOPTS += -DPOSIX_BOSH_PATH=\\"'"${EPREFIX}"'/bin/sh\\"' \
		-- "${S}/sh/"Makefile || die
	mkdir UNUSED_TARGETS || die
	mv TARGETS/[0-9][0-9]* UNUSED_TARGETS || die
	targets inc libfind
	targets include libschily libmdigest
	! use schilytools_bosh || targets sh libxtermcap libshedit libgetopt
	! use schilytools_calc || targets calc
	! use schilytools_calltree || targets calltree
	! use schilytools_change || targets change
	if use schilytools_cdrtools; then
		targets btcflash cdda2wav cdrecord mkisofs 'mkisofs!@!diag' \
			libdeflt libscg 'libscg!@!scg' \
			readcd rscsi scgcheck scgskeleton \
			libcdrdeflt libedc libfile libhfs_iso libparanoia \
			librscg libscgcmd libsiconv 'libsiconv!@!tables'
	fi
	if ! use acl; then
		sed -i -e 's/^CPPOPTS.*DUSE_ACL/#&/' -- star/Makefile || die
	fi
# nonexistent:
#	! use schilytools_cmd || targets cmd
	! use schilytools_compare || targets compare
	! use schilytools_copy || targets copy
	! use schilytools_count || targets count
	! use schilytools_cpp || targets cpp
	! use schilytools_cstyle || targets cstyle
	! use schilytools_cut || targets cut
	! use schilytools_hdump || targets hdump
	! use schilytools_label || targets label
	! use schilytools_lndir || targets lndir
	! use schilytools_man2html || targets man2html
	! use schilytools_manmake || targets man
	! use schilytools_match || targets match
	! use schilytools_mdigest || targets mdigest
	! use schilytools_mountcd || targets mountcd
	! use schilytools_obosh || targets obosh libxtermcap libshedit libgetopt
	! use schilytools_p || targets p libxtermcap
	! use schilytools_paste || targets paste
	! use schilytools_patch || targets patch
	! use schilytools_pbosh || targets pbosh libxtermcap libshedit libgetopt
	! use schilytools_pxupgrade || targets libdeflt libscg pxupgrade
	! use schilytools_sccs || targets sccs libgetopt
	! use schilytools_sfind || targets sfind
	! use schilytools_smake || targets smake
	if use schilytools_star; then
		targets libdeflt librmt mt rmt star star_sym tartest
	fi
	! use schilytools_termcap || targets termcap libxtermcap
	! use schilytools_translit || targets translit
	! use schilytools_udiff || targets udiff
	! use schilytools_ved || targets ved libxtermcap
	default
}

ac_cv_sizeof() {
	cat <<-EOF >"${T}"/test.c
	#include <inttypes.h>
	#include <stddef.h>
	#include <stdint.h>
	#include <sys/types.h>
	int main () {
		static int test_array [1 - 2 * !((sizeof(TYPE)) == LEN)];
		test_array [0] = 0;
		return test_array [0];
	}
	EOF

	local i=1
	while [[ ${i} -lt 20 ]] ; do
		if ${CC} ${CPPFLAGS} ${CFLAGS} -c "${T}"/test.c -o /dev/null -DTYPE="$1" -DLEN=$i 2>/dev/null; then
			echo ${i}
			return 0
		fi
		: $(( i += 1 ))
	done
	return 1
}

src_configure() {
	use acl || export ac_cv_header_sys_acl_h="no"
	use caps || export ac_cv_lib_cap_cap_get_proc="no"
	use xattr || export ac_cv_header_attr_xattr_h="no"
	export ac_cv_header_pulse_pulseaudio_h="no"

	# skip obsolete configure script
	if tc-is-cross-compiler ; then
		# Cache known values for targets. #486680

		tc-export CC
		local var val t types=(
			char "short int" int "long int" "long long"
			"unsigned char" "unsigned short int" "unsigned int"
			"unsigned long int" "unsigned long long"
			float double "long double" size_t ssize_t ptrdiff_t
			mode_t uid_t gid_t pid_t dev_t time_t wchar_t
			"char *" "unsigned char *"
		)
		for t in "${types[@]}" ; do
			var="ac_cv_sizeof_${t// /_}"
			var=${var//[*]/p}
			val=$(ac_cv_sizeof "${t}") || die "could not compute ${t}"
			export "${var}=${val}"
			einfo "Computing sizeof(${t}) as ${val}"
		done
		# We don't have these types.
		export ac_cv_sizeof___int64=0
		export ac_cv_sizeof_unsigned___int64=0
		export ac_cv_sizeof_major_t=${ac_cv_sizeof_dev_t}
		export ac_cv_sizeof_minor_t=${ac_cv_sizeof_dev_t}
		export ac_cv_sizeof_wchar=${ac_cv_sizeof_wchar_t}

		export ac_cv_type_prototypes="yes"
		export ac_cv_func_mlock{,all}="yes"
		export ac_cv_func_{e,f,g}cvt=$(usex elibc_glibc)
		export ac_cv_func_dtoa_r="no"
		export ac_cv_func_sys_siglist{,_def}="no"
		export ac_cv_func_printf_{j,ll}="yes"
		export ac_cv_realloc_null="yes"
		export ac_cv_no_user_malloc="no"
		export ac_cv_var_timezone="yes"
		export ac_cv_var___progname{,_full}="yes"
		export ac_cv_fnmatch_igncase="yes"
		export ac_cv_file__dev_{fd_{0,1,2},null,std{err,in,out},tty,zero}="yes"
		export ac_cv_file__usr_src_linux_include="no"

		case $(cdrtools_os) in
		linux)
			export ac_cv_func_bsd_{g,s}etpgrp="no"
			export ac_cv_hard_symlinks="yes"
			export ac_cv_link_nofollow="yes"
			export ac_cv_access_e_ok="no"

			export ac_cv_dev_minor_noncontig="yes"
			case ${ac_cv_sizeof_long_int} in
			4) export ac_cv_dev_minor_bits="32";;
			8) export ac_cv_dev_minor_bits="44";;
			esac

			cat <<-EOF >"${T}"/test.c
			struct {
				char start[6];
				unsigned char x1:4;
				unsigned char x2:4;
				char end[5];
			} a = {
				.start = {'S', 't', 'A', 'r', 'T', '_'},
				.x1 = 5,
				.x2 = 4,
				.end = {'_', 'e', 'N', 'd', 'X'},
			};
			EOF
			${CC} ${CPPFLAGS} ${CFLAGS} -c "${T}"/test.c -o "${T}"/test.o
			if grep -q 'StArT_E_eNdX' "${T}"/test.o ; then
				export ac_cv_c_bitfields_htol="no"
			elif grep -q 'StArT_T_eNdX' "${T}"/test.o ; then
				export ac_cv_c_bitfields_htol="yes"
			fi
			;;
		esac
	fi
}

src_compile() {
	if use unicode; then
		local flags="$(test-flags -finput-charset=ISO-8859-1 -fexec-charset=UTF-8)"
		if [[ -n ${flags} ]]; then
			append-flags ${flags}
		else
			ewarn "Your compiler does not support the options required to build"
			ewarn "cdrtools with unicode in USE. unicode flag will be ignored."
		fi
	fi
	append-flags -I"${S}"/libschily
	emake CPPOPTX="${CPPFLAGS}" COPTX="${CFLAGS}" C++OPTX="${CXXFLAGS}" \
		LDOPTX="${LDFLAGS}" GMAKE_NOWARN="true"
}

mustnothave() {
	local i
	for i; do
		test -r "${ED}${i}" && die "${ED}${i} must not exist"
	done
}

mustremove() {
	local i
	for i; do
		test -r "${ED}${i}" && rm -v -- "${ED}${i}" || \
			die "cannot remove ${ED}${i}"
	done
}

removedirs() {
	local i
	for i; do
		! test -d "${ED}${i}" || rm -rfv -- "${ED}${i}" || \
			die "cannot remove ${ED}${i}"
	done
}

src_install() {
	local i
	! use doc || dodoc -r Schily.Copyright README.SSPM PORTING CONTRIBUTING \
		AN-????-??-?? ANNOUNCEMENTS READMEs/README.linux
	emake CPPOPTX="${CPPFLAGS}" COPTX="${CFLAGS}" C++OPTX="${CXXFLAGS}" \
		LDOPTX="${LDFLAGS}" GMAKE_NOWARN="true" install
	find "${ED}" '(' -name '*.a' '-o' -name '*.so' ')' -delete || die
	use suid || find "$ED" -perm /4000 -exec chmod -v -- -s '{}' '+' || die
	if use schilytools_cdrtools; then
		# These symlinks are for compat with cdrkit.
		dosym schily /usr/include/scsilib
		dosym ../scg /usr/include/schily/scg

		cd "${S}"/cdda2wav || die
		docinto cdda2wav
		dodoc Changelog FAQ Frontends HOWTOUSE NEEDED README THANKS TODO

		cd "${S}"/mkisofs || die
		docinto mkisofs
		dodoc ChangeLog* TODO
	fi
	removedirs /usr/include
	if use schilytools_star; then
		removedirs /usr/share/doc/star
		mustremove /usr/bin/{gnu,}tar
		mv -i -- "${ED}"/usr/sbin/rmt{,.star} || die
	fi
	if use schilytools_sccs; then
		mv -v -- "${ED}"/usr/share/man/man1/{,sccs-}diff.1 || die
	else
		! test -d "${ED}"/usr/ccs || rm -rfv -- "${ED}"/usr/ccs || die
		mustnothave /usr/share/man/man1/diff.1
	fi
	if use schilytools_hdump; then
		mustremove /usr/bin/od /usr/share/man/man1/od.1
	else
		mustnothave /usr/bin/od /usr/share/man/man1/od.1
	fi
	if use schilytools_patch; then
		mustremove /usr/share/man/man1/patch.1
	else
		mustnothave /usr/share/man/man1/patch.1
	fi
	if use schilytools_bosh; then
		dodir bin || die
		rm -v -- "${ED}"/usr/bin/{bo,j,pf}sh \
			"${ED}"/usr/share/man/man1/bosh.1 || die
		rm -rfv -- "${ED}"/usr/xpg4 || die
		mv -v -- "${ED}"/{usr/bin/sh,bin/bosh} || die
		ln -s -- bosh "${ED}"/bin/jsh || die
		ln -s -- bosh "${ED}"/bin/pfsh || die
		mv -v -- "${ED}"/usr/share/man/man1/{,bo}sh.1 || die
		if use renameschily_jsh; then
			mv -v -- "${ED}"/bin/{,s}jsh || die
			mv -v -- "${ED}"/usr/share/man/man1/{,s}jsh.1 || die
		fi
	fi
	if use schilytools_calc && use renameschily_calc; then
		mv -v -- "${ED}"/usr/bin/{,s}calc || die
		mv -v -- "${ED}"/usr/share/man/man1/{,s}calc.1 || die
	fi
	if use schilytools_compare && use renameschily_compare; then
		mv -v -- "${ED}"/usr/bin/{,s}compare || die
		mv -v -- "${ED}"/usr/share/man/man1/{,s}compare.1 || die
	fi
	if use schilytools_count && use renameschily_count; then
		mv -v -- "${ED}"/usr/bin/{,s}count || die
		mv -v -- "${ED}"/usr/share/man/man1/{,s}count.1 || die
	fi
	if use schilytools_man2html && use renameschily_man2html; then
		mv -v -- "${ED}"/usr/bin/{,s}man2html || die
		mv -v -- "${ED}"/usr/share/man/man1/{,s}man2html.1 || die
	fi
	if use schilytools_p && use renameschily_p; then
		mv -v -- "${ED}"/usr/bin/{,s}p || die
		mv -v -- "${ED}"/usr/share/man/man1/{,s}p.1 || die
	fi
	if use schilytools_ved; then
		docompress -x /usr/share/man/help
	fi
	if use renameschily_libschily; then
		for i in error fexecve fnmatch getline {,f,s}printf strlen; do
			mv -v -- "${ED}"/usr/share/man/man3/{,schily-}${i}.3 || die
		done
	fi
	if use renameschily_getopt && have_target libgetopt; then
		mv -v -- "${ED}"/usr/share/man/man3/{,schily-}getopt.3 || die
		mv -v -- "${ED}"/usr/share/man/man3/{,schily-}getsubopt.3 || die
	fi
	use split-usr || move_to_usr_bin "${ED}"/bin/*
	if test -d "${ED}"/usr/etc
	then
		dodir etc
		mv -v -- "${ED}"/usr/etc/* "${ED}"/etc
		rmdir -- "${ED}"/usr/etc
	fi
}

move_to_usr_bin() {
	test -r "$1" || return 0
	test -d "${ED}"/usr/bin || mkdir -p -- "${ED}"/usr/bin || die
	mv -v -- "$@" "${ED}"/usr/bin || die
	rmdir "${ED}"/bin || die
}

pkg_postinst() {
	use schilytools_cdrtools || return 0
	fcaps_pkg_postinst

	if [[ ${CHOST} == *-darwin* ]] ; then
		einfo
		einfo "Darwin/OS X use the following device names:"
		einfo
		einfo "CD burners: (probably) ./cdrecord dev=IOCompactDiscServices"
		einfo
		einfo "DVD burners: (probably) ./cdrecord dev=IODVDServices"
		einfo
	fi
}