263 lines
6.0 KiB
Bash
Executable File
263 lines
6.0 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-FileCopyrightText: 2022 Andrius Štikonas <andrius@stikonas.eu>
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# SPDX-FileCopyrightText: 2021-22 fosslinux <fosslinux@aussies.space>
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# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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set -e
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# shellcheck source=sysa/helpers.sh
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. helpers.sh
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# shellcheck disable=SC2154
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export PREFIX="${prefix}"
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# shellcheck disable=SC2154
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export SOURCES="${sysa}"
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export DESTDIR=/tmp/destdir
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export REPO="${PREFIX}/src/repo"
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create_sysb() {
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# Copy everything in
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echo "Creating sysb rootfs"
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mkdir -p "/sysb${PREFIX}"
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for d in bin include lib libexec share; do
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# Minimise RAM (storage) use - use hard links
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cp -rl "${PREFIX}/${d}" "/sysb${PREFIX}/${d}"
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done
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mkdir /sysb/usr/src
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cp "${SOURCES}/helpers.sh" "${SOURCES}/SHA256SUMS.pkgs" "${SOURCES}/bootstrap.cfg" /sysb/usr/src/
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cp -rl "${REPO}" "/sysb/${REPO}"
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populate_device_nodes /sysb
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echo "Creating sysb initramfs"
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gen_initramfs_list.sh -o "${PREFIX}/boot/initramfs-sysb.cpio.gz" /sysb
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rm -rf /sysb # Cleanup
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}
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go_sysb() {
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# Mount proc for kexec
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mkdir /proc /etc
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mount -t proc proc /proc
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# kexec time
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echo "Loading kernel + sysb initramfs using kexec"
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kexec -l "${PREFIX}/boot/linux-4.9.10" --console-serial \
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--initrd="${PREFIX}/boot/initramfs-sysb.cpio.gz" \
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--append="init=/init console=ttyS0"
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echo "kexecing into sysb"
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kexec -e
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}
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# Ask some questions
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echo
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echo "Now that bash has been built, there are potentially some questions for you!"
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echo "To give your answer, type your answer, press Enter, and then Control-D."
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echo
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ask_chroot() {
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read -r CHROOT_STRING
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if [ "${CHROOT_STRING}" = "yes" ] || [ "${CHROOT_STRING}" = "y" ]; then
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CHROOT=True
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elif [ "${CHROOT_STRING}" = "no" ] || [ "${CHROOT_STRING}" = "n" ]; then
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CHROOT=False
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else
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echo "Invalid response. Please give a yes/no answer."
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ask_chroot
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fi
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}
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if [ -z "${CHROOT}" ]; then
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echo "Currently, it is unknown if live-bootstrap is running in a chroot"
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echo "or not. Is it? (yes/no answer)"
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ask_chroot
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echo
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fi
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ask_timestamps() {
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read -r TIMESTAMPS_STRING
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if [ "${TIMESTAMPS_STRING}" = "yes" ] || [ "${TIMESTAMPS_STRING}" = "y" ]; then
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FORCE_TIMESTAMPS=True
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elif [ "${TIMESTAMPS_STRING}" = "no" ] || [ "${TIMESTAMPS_STRING}" = "n" ]; then
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FORCE_TIMESTAMPS=False
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else
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echo "Invalid response. Please give a yes/no answer."
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ask_timestamps
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fi
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}
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if [ -z "${FORCE_TIMESTAMPS}" ]; then
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echo "Would you like all timestamps to be set to unix time 0"
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echo "(Jan 1 1970 00:00) at the end of the bootstrap? This makes a"
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echo "fully reproducible disk image. (yes/no answer)"
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ask_timestamps
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echo
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fi
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echo "Thank you! All done."
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# Write to bootstrap.cfg
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rm "${SOURCES}/bootstrap.cfg"
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for var in CHROOT FORCE_TIMESTAMPS DISK ARCH UPDATE_CHECKSUMS; do
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echo "export ${var}=${!var}" >> "${SOURCES}/bootstrap.cfg"
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done
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mkdir -p "${DESTDIR}" "${REPO}" /dev
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build flex-2.5.11
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# Patch meslibc to support > 255 command line arguments
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build mes-0.23 mes-libc-0.23.sh
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build tcc-0.9.27 tcc-meslibc-rebuild.sh checksums/tcc-meslibc-rebuild
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build musl-1.1.24 "" checksums/pass1
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# Rebuild tcc using musl
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build tcc-0.9.27 tcc-musl-pass1.sh checksums/tcc-musl-pass1
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# Rebuild musl using tcc-musl
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build musl-1.1.24 "" checksums/pass2
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# Rebuild tcc-musl using new musl
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build tcc-0.9.27 tcc-musl-pass2.sh checksums/tcc-musl-pass2
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# Rebuild sed using musl
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build sed-4.0.9 sed-4.0.9.sh checksums/pass2
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# Rebuild bzip2 using musl
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build bzip2-1.0.8 bzip2-1.0.8.sh checksums/bzip2-pass2
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build m4-1.4.7
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build flex-2.6.4
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build bison-3.4.1 stage1.sh checksums/stage1
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build bison-3.4.1 stage2.sh checksums/stage2
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build bison-3.4.1 stage3.sh checksums/stage3
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build grep-2.4
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build diffutils-2.7
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# Rebuild coreutils using musl
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build coreutils-5.0 coreutils-5.0.sh checksums/pass2
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# Build only date, mktemp and sha256sum
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build coreutils-6.10
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build gawk-3.0.4
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build perl-5.000
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build perl-5.003
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build perl5.004-05 '' '' '' perl5.004_05
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build perl5.005-03 '' '' '' perl5.005_03
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build perl-5.6.2
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populate_device_nodes
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build autoconf-2.52 stage1.sh
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build automake-1.6.3 stage1.sh
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build automake-1.6.3 stage2.sh
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build automake-1.6.3 stage3.sh
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build automake-1.4-p6
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build autoconf-2.52 stage2.sh
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build autoconf-2.13
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build autoconf-2.12
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build libtool-1.4
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build binutils-2.14
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# Build musl with fewer patches
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build musl-1.1.24 binutils-rebuild.sh checksums/pass3 patches-pass3
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populate_device_nodes
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# Rebuild tcc-musl using new musl
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build tcc-0.9.27 tcc-musl-pass3.sh checksums/tcc-musl-pass3 patches-musl-pass3
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build autoconf-2.53 stage1.sh
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build autoconf-2.53 stage2.sh
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build automake-1.7 stage1.sh
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build autoconf-2.54 stage1.sh
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build autoconf-2.54 stage2.sh
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build automake-1.7 stage2.sh
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build autoconf-2.55
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build automake-1.7.8
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build autoconf-2.57
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build autoconf-2.59
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build automake-1.8.5
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build help2man-1.36.4
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build autoconf-2.61 stage1.sh
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build autoconf-2.61 stage2.sh
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build automake-1.9.6 stage1.sh
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build automake-1.9.6 stage2.sh
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build findutils-4.2.33
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build libtool-2.2.4
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build automake-1.10.3
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build autoconf-2.64
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build gcc-4.0.4 pass1.sh checksums/pass1
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# This hack fixes a strange bug in mes libc bash
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set -x
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build linux-headers-5.10.41 '' '' '' linux-5.10.41
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set +x
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build musl-1.2.2
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build gcc-4.0.4 pass2.sh checksums/pass2
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build util-linux-2.19.1
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build kbd-1.15
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build make-3.82
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# Clear up some RAM space
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grep '^pkg=' /after.kaem | sed 's/pkg="//' | sed 's/"$//' | while read -r p ; do
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rm -rf "${SOURCES:?}/${p:?}"
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done
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rm -rf "${SOURCES}/mes"
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grep '^build' "${SOURCES}/run.sh" | sed "s/build //" | sed "s/ .*$//" | while read -r p ; do
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rm -rf "${SOURCES:?}/${p:?}"
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done
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if [ "${CHROOT}" = False ]; then
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build kexec-tools-2.0.22
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build linux-4.9.10
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create_sysb
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go_sysb
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fi
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# In chroot mode transition directly into System C.
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SYSC="/sysc"
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cp -R "${PREFIX}" "${SYSC}"
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cp "${SOURCES}/helpers.sh" "${SOURCES}/SHA256SUMS.pkgs" "${SOURCES}/bootstrap.cfg" "${SYSC}/usr/src/"
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exec chroot "${SYSC}" /init
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