Remove the notion of "sys*"

- This idea originates from very early in the project and was, at the
  time, a very easy way to categorise things.
- Now, it doesn't really make much sense - it is fairly arbitary, often
  occuring when there is a change in kernel, but not from builder-hex0
  to fiwix, and sysb is in reality completely unnecessary.
- In short, the sys* stuff is a bit of a mess that makes the project
  more difficult to understand.
- This puts everything down into one folder and has a manifest file that
  is used to generate the build scripts on the fly rather than using
  coded scripts.
- This is created in the "seed" stage.

stage0-posix -- (calls) --> seed -- (generates) --> main steps

Alongside this change there are a variety of other smaller fixups to the
general structure of the live-bootstrap rootfs.

- Creating a rootfs has become much simpler and is defined as code in
  go.sh. The new structure, for an about-to-be booted system, is

/
-- /steps (direct copy of steps/)
-- /distfiles (direct copy of distfiles/)
-- all files from seed/*
-- all files from seed/stage0-posix/*

- There is no longer such a thing as /usr/include/musl, this didn't
  really make any sense, as musl is the final libc used. Rather, to
  separate musl and mes, we have /usr/include/mes, which is much easier
  to work with.
- This also makes mes easier to blow away later.
- A few things that weren't properly in packages have been changed;
  checksum-transcriber, simple-patch, kexec-fiwix have all been given
  fully qualified package names.
- Highly breaking change, scripts now exist in their package directory
  but NOT WITH THE packagename.sh. Rather, they use pass1.sh, pass2.sh,
  etc. This avoids manual definition of passes.
  - Ditto with patches; default directory is patches, but then any patch
    series specific to a pass are named patches-passX.

steps/sed-4.0.9/mk/main.mk

@@ -0,0 +1,47 @@
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2022 fosslinux <fosslinux@aussies.space>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+CC = tcc
+AR = tcc -ar
+
+CPPFLAGS = -DENABLE_NLS=0 \
+         -DHAVE_FCNTL_H \
+         -DHAVE_ALLOCA_H \
+         -DSED_FEATURE_VERSION=\"4.0\" \
+         -DVERSION=\"4.0.9\" \
+         -DPACKAGE=\"sed\"
+CFLAGS = -I . -I lib
+LDFLAGS = -L . -lsed -static
+
+.PHONY: all
+
+ifeq ($(LIBC),mes)
+    LIB_SRC = getline
+else
+    LIB_SRC = alloca
+endif
+
+LIB_SRC += getopt1 getopt utils regex obstack strverscmp mkstemp
+
+LIB_OBJ = $(addprefix lib/, $(addsuffix .o, $(LIB_SRC)))
+
+SED_SRC = compile execute regexp fmt sed
+SED_OBJ = $(addprefix sed/, $(addsuffix .o, $(SED_SRC)))
+
+all: sed/sed
+
+lib/regex.h: lib/regex_.h
+	cp $< $@
+
+lib/regex.o: lib/regex.h
+
+libsed.a: $(LIB_OBJ)
+	$(AR) cr $@ $^
+
+sed/sed: libsed.a $(SED_OBJ)
+	$(CC) $^ $(LDFLAGS) -o $@
+
+install:
+	install -D sed/sed $(DESTDIR)$(PREFIX)/bin/sed

steps/sed-4.0.9/pass1.kaem

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2021-22 fosslinux <fosslinux@aussies.space>
+# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+set -ex
+
+# Check tarball checksums
+checksum-transcriber sources
+sha256sum -c sources.SHA256SUM
+
+mkdir build src
+cd build
+
+# Extract
+cp ${DISTFILES}/${pkg}.tar.gz ../src/
+gzip -d -f ../src/${pkg}.tar.gz
+tar xf ../src/${pkg}.tar
+cd ${pkg}
+cp ../../mk/main.mk Makefile
+
+# Create config.h
+catm config.h
+
+# Build
+make -f Makefile LIBC=mes
+
+# Install
+cp sed/sed ${PREFIX}/bin/sed
+chmod 755 ${PREFIX}/bin/sed
+
+cd ../..
+
+# Checksums
+if match x${UPDATE_CHECKSUMS} xTrue; then
+    sha256sum -o ${pkg}.checksums \
+        /usr/bin/sed
+
+    cp ${pkg}.checksums ${SRCDIR}
+else
+    sha256sum -c ${pkg}.checksums
+fi

steps/sed-4.0.9/pass2.sh

@@ -0,0 +1,17 @@
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_prepare() {
+    default
+
+    touch config.h
+}
+
+src_compile() {
+    make -j1 PREFIX="${PREFIX}"
+}
+
+src_install() {
+    default
+}

steps/sed-4.0.9/sed-4.0.9.checksums

@@ -0,0 +1 @@
+27dbc29d04ad2a2905ab56c198660510010377062d716bc791a8d0e281fec4d4  /usr/bin/sed

steps/sed-4.0.9/sources

@@ -0,0 +1 @@
+https://mirrors.kernel.org/gnu/sed/sed-4.0.9.tar.gz c365874794187f8444e5d22998cd5888ffa47f36def4b77517a808dec27c0600