#!/bin/sh
#
#	$NetBSD: listsrcdirs,v 1.50 2020/04/25 15:42:14 bouyer Exp $
#

#
# This script echoes the NetBSD source directories useful for
# rump kernels.
# Feed the output to whichever method you use to obtain NetBSD sources, e.g.
#
# ./listsrcdirs | xargs cvs -d anoncvs@anoncvs.netbsd.org:/cvsroot -z3 co -P
#

# Check that the intersection between all branches is the null set
if [ "${LISTSRCDIRS_INSANITY}" != 'y' ]; then
	if [ ! -z "$(LISTSRCDIRS_INSANITY=y sh $0 all | sort | uniq -d)" ]; then
		echo $0: INTERNAL ERROR
		exit 1
	fi
fi

# default echomode (for compat)
em='sys posix'

# everything we support
all='sys posix usr'

# mini-getopt (so that we don't have to with getopt vs. getopts
cvsmode=false
if [ "${1}" = "-c" ]; then
	cvsmode=true
	shift
fi

[ ! -z "${*}" ] && em="${*}"
[ "$em" = all ] && em="${all}"
for x in ${em}; do
	for y in ${all}; do
		[ $x = $y ] && continue 2
	done
	echo invalid specifier $x
	exit 1
done

iswanted ()
{

	for x in ${em}; do
		if [ "$x" = "$1" ]; then
			return 0
		fi
	done
	return 1
}

lsrc ()
{

	what=$1
	pfx=$2
	shift 2

	iswanted ${what} && for arg in $* ; do echo src${pfx}${arg} ; done
}

include_headerlist ()
{
	what=$1
	pfx=$2
	shift 2

	if iswanted ${what}; then
		[ -f headerlist ] \
			|| { echo 'missing file: headerlist' 1>&2; exit 1; }
		sed -E -e '/^#/d' -e '/^[  ]*$/d' \
		    -e "/^\.?\/?/s##src${pfx}#" headerlist \
		    | egrep -v "^src${pfx}($(echo "$@" | tr ' ' \|))/include"
	fi
}

ARCHS="amd64 i386 x86 xen arm evbarm sparc sparc64 powerpc evbppc mips evbmips aarch64 riscv"
ARCHS_EXTRA="arm/arm32 Makefile"
# files listed in src/tools/Makefile.nbincludes
ARCHS_EXTRA="$ARCHS_EXTRA ews4800mips/include/pdinfo.h
ews4800mips/include/vtoc.h
dreamcast/include/endian_machdep.h
evbsh3/include/endian_machdep.h
hpcsh/include/endian_machdep.h
landisk/include/endian_machdep.h
mmeye/include/endian_machdep.h
sh3/include/endian_machdep.h"

# sources necessary for building rump kernel components.  This list
# depends on TOOLS_BUILDRUMP=yes.
lsrc sys /			build.sh Makefile Makefile.inc
lsrc sys /			tools common include share/mk
lsrc sys /etc/			Makefile.params master.passwd group
lsrc sys /lib/lib		c util
lsrc sys /external/bsd/		flex mdocml byacc
lsrc sys /external/cddl/	osnet
lsrc sys /external/historical/	nawk
lsrc sys /bin/			cat
lsrc sys /usr.bin/		make xinstall config mktemp sed tsort
lsrc sys /usr.bin/		lorder join cksum m4 mkdep Makefile.inc
lsrc sys /usr.bin/		rpcgen rump_wmd
lsrc sys /usr.bin/		genassym stat uname
lsrc sys /usr.sbin/		mtree

# sources hosted in the NetBSD tree that are required/useful
# when targeting POSIX-y platforms
lsrc posix /lib/lib		rump rumpdev rumpnet rumpvfs
lsrc posix /lib/lib		rumpuser rumpclient rumphijack
lsrc posix /usr.bin/		rump_server rump_allserver shmif_dumpbus

# assorted userspace sources, mostly for configuration & diagnostics
# NOTE! libc++ is handled below as a special case due to the NetBSD
# dist directory consisting ~90% (50+MB) of tests unnecessary to us
lsrc usr /lib/			i18n_module
lsrc usr /lib/lib		crypt ipsec kvm m npf pci prop
lsrc usr /lib/lib		pthread rmt wrap y z
lsrc usr /libexec/		ld.elf_so
lsrc usr /bin/			chmod cp dd df ed ln ls mkdir mv pax
lsrc usr /bin/			rm rmdir
lsrc usr /sbin/			brconfig cgdconfig chown
lsrc usr /sbin/			disklabel dump fdisk
lsrc usr /sbin/			fsck fsck_ext2fs fsck_ffs fsck_msdos
lsrc usr /sbin/			ifconfig mknod
lsrc usr /sbin/			modstat mount
lsrc usr /sbin/			mount_ext2fs mount_ffs mount_msdos mount_tmpfs
lsrc usr /sbin/			newfs newfs_ext2fs newfs_msdos
lsrc usr /sbin/			ping ping6 raidctl reboot
lsrc usr /sbin/			rndctl route setkey sysctl umount
lsrc usr /usr.bin/		kdump ktrace mixerctl sockstat
lsrc usr /usr.sbin/		arp dumpfs mdconfig ndp npf pcictl
lsrc usr /usr.sbin/		rtadvd vnconfig wlanctl
lsrc usr /external/bsd/		libnv libpcap tcpdump wpa
lsrc usr /crypto/		Makefile.openssl
lsrc usr /crypto/dist/		ipsec-tools
lsrc usr /crypto/external/bsd/	openssl


# If -c is given, use CVS syntax to exclude large subdirectories
# of sys.  Otherwise just do it wholesale.
if ${cvsmode}; then
	iswanted sys && \
	    echo \!src/sys/arch \
		 \!src/sys/external/gpl2/dts \
		 \!src/sys/external/bsd/drm \
		 \!src/sys/external/bsd/drm2 \
		src/sys

	iswanted usr && \
	    echo \!src/external/bsd/libc++/dist/libcxx/test \
	           src/external/bsd/libc++

	# pick a few useful archs, namely those mentioned in buildrump.sh
	for arch in ${ARCHS}; do
		lsrc sys /sys/arch/${arch}/ include ${arch} Makefile
	done
	# the includes mentioned in src/tools/headerlist are required.
	# but pull in only those that have not been pulled in by the previous
	# loop
	include_headerlist sys /sys/arch/ ${ARCHS}
	for extra in ${ARCHS_EXTRA}; do
		lsrc sys /sys/arch/ ${extra}
	done
else
	lsrc sys / sys

	lsrc usr /external /bsd/libc++
fi