128 lines
5.2 KiB
Bash
Executable File
128 lines
5.2 KiB
Bash
Executable File
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#!/bin/sh -xe
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#Build initramfs image
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# This file is part of PrawnOS (http://www.prawnos.com)
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# Copyright (c) 2018 Hal Emmerich <hal@halemmerich.com>
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# PrawnOS is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2
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# as published by the Free Software Foundation.
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# PrawnOS is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with PrawnOS. If not, see <https://www.gnu.org/licenses/>.
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outmnt=$(mktemp -d -p `pwd`)
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outdev=/dev/loop7
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KVER=$1
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ROOT_DIR=`pwd`
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build_resources=$ROOT_DIR/resources/BuildResources
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if [ ! -f $ROOT_DIR/PrawnOS-*-c201-libre-2GB.img-BASE ]
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then
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echo "No base filesystem, run 'make filesystem' first"
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exit 1
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fi
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#A hacky way to ensure the loops are properly unmounted and the temp files are properly deleted.
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#Without this, a reboot is sometimes required to properly clean the loop devices and ensure a clean build
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cleanup() {
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set +e
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umount -l $outmnt > /dev/null 2>&1
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rmdir $outmnt > /dev/null 2>&1
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losetup -d $outdev > /dev/null 2>&1
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set +e
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umount -l $outmnt > /dev/null 2>&1
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rmdir $outmnt > /dev/null 2>&1
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losetup -d $outdev > /dev/null 2>&1
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}
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trap cleanup INT TERM EXIT
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[ ! -d build ] && mkdir build
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losetup -P $outdev $ROOT_DIR/PrawnOS-*-c201-libre-2GB.img-BASE
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#mount the root filesystem
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mount -o noatime ${outdev}p3 $outmnt
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#mount the initramfs partition
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mount -o noatime ${outdev}p2 $outmnt/boot
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#make a skeleton filesystem
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initramfs_src=$outmnt/InstallResources/initramfs_src
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rm -rf $initramfs_src*
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mkdir -p $initramfs_src
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mkdir $initramfs_src/bin
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mkdir $initramfs_src/dev
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mkdir $initramfs_src/etc
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mkdir $initramfs_src/newroot
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mkdir $initramfs_src/boot
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mkdir $initramfs_src/proc
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mkdir $initramfs_src/sys
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mkdir $initramfs_src/sbin
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mkdir $initramfs_src/run
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mkdir $initramfs_src/run/cryptsetup
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mkdir $initramfs_src/lib
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mkdir $initramfs_src/lib/arm-linux-gnueabihf
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cp -a $outmnt/dev/console $outmnt/dev/tty $initramfs_src/dev/
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#install the few tools we need, and the supporting libs
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cp $outmnt/bin/busybox $outmnt/sbin/cryptsetup $initramfs_src/bin/
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cp $outmnt/lib/arm-linux-gnueabihf/libblkid.so.1 $initramfs_src/lib/arm-linux-gnueabihf/
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cp $outmnt/lib/arm-linux-gnueabihf/libuuid.so.1 $initramfs_src/lib/arm-linux-gnueabihf/
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cp $outmnt/lib/arm-linux-gnueabihf/libc.so.6 $initramfs_src/lib/arm-linux-gnueabihf/
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cp $outmnt/lib/ld-linux-armhf.so.3 $initramfs_src/lib/
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cp $outmnt/sbin/blkid $initramfs_src/bin/
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cp $outmnt/usr/sbin/cryptsetup $initramfs_src/bin/
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cp $outmnt/lib/arm-linux-gnueabihf/libm.so.6 $initramfs_src/lib/arm-linux-gnueabihf/libm.so.6
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cp $outmnt/lib/arm-linux-gnueabihf/libcryptsetup.so.12 $initramfs_src/lib/arm-linux-gnueabihf/libcryptsetup.so.12
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cp $outmnt/lib/arm-linux-gnueabihf/libpopt.so.0 $initramfs_src/lib/arm-linux-gnueabihf/libpopt.so.0
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cp $outmnt/lib/arm-linux-gnueabihf/libuuid.so.1 $initramfs_src/lib/arm-linux-gnueabihf/libuuid.so.1
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cp $outmnt/lib/arm-linux-gnueabihf/libblkid.so.1 $initramfs_src/lib/arm-linux-gnueabihf/libblkid.so.1
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cp $outmnt/lib/arm-linux-gnueabihf/libc.so.6 $initramfs_src/lib/arm-linux-gnueabihf/libc.so.6
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cp $outmnt/lib/ld-linux-armhf.so.3 $initramfs_src/lib/ld-linux-armhf.so.3
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cp $outmnt/lib/arm-linux-gnueabihf/libdevmapper.so.1.02.1 $initramfs_src/lib/arm-linux-gnueabihf/libdevmapper.so.1.02.1
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cp $outmnt/lib/arm-linux-gnueabihf/libssl.so.1.1 $initramfs_src/lib/arm-linux-gnueabihf/libssl.so.1.1
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cp $outmnt/lib/arm-linux-gnueabihf/libcrypto.so.1.1 $initramfs_src/lib/arm-linux-gnueabihf/libcrypto.so.1.1
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cp $outmnt/lib/arm-linux-gnueabihf/libargon2.so.1 $initramfs_src/lib/arm-linux-gnueabihf/libargon2.so.1
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cp $outmnt/lib/arm-linux-gnueabihf/librt.so.1 $initramfs_src/lib/arm-linux-gnueabihf/librt.so.1
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cp $outmnt/lib/arm-linux-gnueabihf/libdl.so.2 $initramfs_src/lib/arm-linux-gnueabihf/libdl.so.2
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cp $outmnt/lib/arm-linux-gnueabihf/libjson-c.so.3 $initramfs_src/lib/arm-linux-gnueabihf/libjson-c.so.3
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cp $outmnt/lib/arm-linux-gnueabihf/libselinux.so.1 $initramfs_src/lib/arm-linux-gnueabihf/libselinux.so.1
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cp $outmnt/lib/arm-linux-gnueabihf/libudev.so.1 $initramfs_src/lib/arm-linux-gnueabihf/libudev.so.1
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cp $outmnt/lib/arm-linux-gnueabihf/libpthread.so.0 $initramfs_src/lib/arm-linux-gnueabihf/libpthread.so.0
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cp $outmnt/lib/arm-linux-gnueabihf/libpcre.so.3 $initramfs_src/lib/arm-linux-gnueabihf/libpcre.so.3
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cp $outmnt/lib/arm-linux-gnueabihf/libgcc_s.so.1 $initramfs_src/lib/arm-linux-gnueabihf/libgcc_s.so.1
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cp $outmnt/lib/arm-linux-gnueabihf/libjson-c.so.4 $initramfs_src/lib/arm-linux-gnueabihf/libjson-c.so.4
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#add the init script
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cp $build_resources/initramfs-init $initramfs_src/init
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chmod +x $initramfs_src/init
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cp $initramfs_src/init $initramfs_src/sbin/init
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#compress and install
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rm -rf $outmnt/boot/PrawnOS-initramfs.cpio.gz
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cd $initramfs_src
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ln -s busybox bin/cat
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ln -s busybox bin/mount
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ln -s busybox bin/sh
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ln -s busybox bin/switch_root
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ln -s busybox bin/umount
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# store for kernel building
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find . -print0 | cpio --null --create --verbose --format=newc | gzip --best > $ROOT_DIR/build/PrawnOS-initramfs.cpio.gz
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