#!/bin/sh #--------------------------------- Logo --------------------------------------------------------------------- # ####### ## ## ## ####### ## ####### | ## ## ## ## ## ## ## ## | # ## ## #### #### ## ## ## ## | ## ## ## ## ## ## ## ## | # ## ## ## ## ## ## ## ## | ## ## ## ## ## ## ## | # ## ## ## ## ## ## ## ## ## | ## ## ### ## ## ## ## | # ####### ## ## ## ####### ## ####### | ## ## #### ## ## ## ## | # ## ## ## ## ## ## ## | ## ## ## #### ## ## ## | # ## ## ## ## ## ## ## | ## ## ## ### ## ## ## ## | # ## ## ## ## ## ## ## | ## ## ## ## ## ## ## ## | # ####### ## ## ## ## ####### ####### | ####### ## ## ## ######## ## ## | #------------------------------------------------------------------------------------------------------------ # Script to build linux install media image version=0.0.1 # script version # TolaMironcenko is licensed under MIT #--- import rolors --- . ./colors.sh #--------------------- #--- import funcs ---- . ./funcs.sh #--------------------- #------------ config ------------------ root=$(pwd) # root build directory disk="sdz" # disk to write install image distro_name="Simple" # distro name distro_desc="Simple linux distro" # distro desctiption distro_codename="zero_zero_one" # distro codename hyperv_support="false" # hyperv support for kernel image out=$root/out # output directory build=$root/build # build directory sourcesfilename=sources.txt # sources file for downloading initramfsfile=$root/initramfs/initramfs.txt # file to created directories for initramfs initramfspath=$build/initramfs # initramfs build directory rootfsfile=$root/rootfs/rootfs.txt # file to created directories for rootfs rootfspath=$build/rootfs # rootfs build directory fulllogfile=$root/.log/fulllog.log # file for full build logs makeflags=-j16 # makeflags #-------------------------------------- #-------- check root ------------------ if [ $(id -u) -ne 0 ]; then printf "$URED** You are not root\n$RESET" exit 1 fi #-------------------------------------- mkdir $out &>> $fulllogfile mkdir $root/.log &>> $fulllogfile #------------ Download needed sources from sources.txt ------------------ download_sources() { printf "$UGREEN** Downloading sources\n$RESET" cat $sourcesfilename if [ ! -d downloads ]; then mkdir downloads; fi wget --input-file=$sourcesfilename --continue --directory-prefix=$root/downloads check $? "Download sources" } #------------------------------------------------------------------------ #--------------- Building Linux Kernel --------------------- kernel() { printf "$UGREEN** Building Linux Kernel\n$RESET" rm -r $build/kernel &>> $fulllogfile mkdir -p $build/kernel &>> $fulllogfile cd $build/kernel printf "$UGREEN** Extracting Linux Kernel\n$RESET" tar -xvf $root/downloads/linux-6.7.4.tar.xz &>> $fulllogfile check $? "Extract Linux Kernel" cd linux-6.7.4 printf "$UGREEN** Configuring Linux Kernel\n$RESET" make mrproper &>> $fulllogfile cp -v $root/kernel/config-6.7.4 .config &>> $fulllogfile make oldconfig &>> $fulllogfile check $? "Configure Linux Kernel" printf "$UGREEN** Building Linux Kernel\n$RESET" make $makeflags &>> $fulllogfile check $? "Build Linux Kernel" ls -lh arch/x86/boot/bzImage } # kernel #----------------------------------------------------------- #----------- Build and Install kernel modules -------------- kernel_modules() { printf "$UGREEN** Building Linux Kernel modules\n$RESET" cd $build/kernel/linux-6.7.4 make modules &>> fulllogfile check $? "Build Linux Kernel modules" printf "$UGREEN** Installing Linux Kernel modules into rootfs path\n$RESET" mkdir -pv $rootfspath/usr/lib &>> fulllogfile cd $rootfspath ln -sv usr/lib lib &>> $fulllogfile cd $root/build/kernel/linux-6.7.4 make INSTALL_MOD_PATH=$rootfspath modules_install &>> $fulllogfile check $? "Install Linux Kernel modules" } # kernel_modules #----------------------------------------------------------- #------------ glibc ---------------------------------------- glibc() { printf "$UGREEN** Building glibc\n$RESET" mkdir -p $build/glibc &>> $fulllogfile cd $build/glibc tar -xvf $root/downloads/glibc-2.39.tar.xz &>> $fulllogfile check $? "Extract glibc" cd glibc-2.39 mkdir build cd build echo "rootsbindir=/usr/bin" > configparms ../configure \ --prefix=/usr \ --disable-werror \ --enable-kernel=4.19 \ --enable-stack-protector=strong \ --disable-nscd \ libc_cv_slibdir=/usr/lib &>> $fulllogfile check $? "Configure glibc" make $makeflags &>> $fulllogfile check $? "Build glibc" make DESTDIR=$rootfspath install &>> $fulllogfile check $? "Install glibc to rootfs" cd $rootfspath find -name \*.a -delete &>> $fulllogfile strip --strip-unneeded $rootfspath/usr/lib/* $rootfspath/usr/bin/* &>> $fulllogfile chroot $rootfspath /bin/sh -c "mkdir -p /usr/lib/locale;localedef -i C -f UTF-8 C.UTF-8;localedef -i en_US -f UTF-8 en_US.UTF-8;localedef -i ru_RU -f UTF-8 ru_RU-UTF-8;" cd $root check $? "Build and install glibc" } #----------------------------------------------------------- #------------------ Building initramfs.img ------------------------ initramfs() { printf "$UGREEN** Building initramfs\n$RESET" #--------- Creating directories and files ------------------- rm -r $initramfspath &>> $fulllogfile mkdir -p $initramfspath cd $initramfspath mkdir -p $(cat $initramfsfile) cp $root/initramfs/init.in $initramfspath/init chmod 755 $initramfspath/init #------------------------------------------------------------ #------------ Building initramfs busybox and copy to initramfs directory -------------------- rm -r $build/busybox &>> $fulllogfile mkdir -p $build/busybox cd $build/busybox tar -xjf $root/downloads/busybox-1.36.1.tar.bz2 check $? "Extract busybox" cd busybox-1.36.1 cp $root/busybox/busybox-initramfs-config .config export PATH=$PATH:/opt/toolchains/x86_64-buildroot-linux-uclibc-gcc/bin printf "$UGREEN** Configuring busybox\n$RESET" make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- oldconfig &> $fulllogfile check $? "Configure busybox all logs in .log" printf "$UGREEN** Building busybox\n$RESET" make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- $makeflags &> $fulllogfile check $? "Build busybox all logs in .log" cp busybox $initramfspath/bin cd $initramfspath/bin for i in $(./busybox --list); do ln -s busybox $i; done cd .. #-------------------------------------------------------------------------------------------- #--------------------- Creating initramfs.img image ------------ find . | cpio -H newc -o | gzip > ../initramfs.img check $? "Build initramfs.img image" cd $root #--------------------------------------------------------------- } # initramfs #------------------------------------------------------------------ #----------- Building rootfs ---------------------- rootfs() { printf "$UGREEN** Building rootfs\n$RESET" rm -rv $rootfspath &>> $fulllogfile mkdir -pv $rootfspath &>> $fulllogfile cd $rootfspath mkdir -pv $(cat $rootfsfile) &>> $fulllogfile ln -sv usr/lib lib &>> $fulllogfile ln -sv usr/lib lib64 &>> $fulllogfile ln -sv usr/bin bin &>> $fulllogfile ln -sv usr/bin sbin &>> $fulllogfile cd usr ln -sv bin sbin &>> $fulllogfile ln -sv lib lib64 &>> $fulllogfile cp -rv $root/rootfs/etc/* $rootfspath/etc/ &>> $fulllogfile cp -rv $root/rootfs/usr/* $rootfspath/usr/ &>> $fulllogfile cp -rv $root/rootfs/boot/* $rootfspath/boot/ &>> $fulllogfile cd .. ln -sv /proc/mounts etc/mtab &>> $fulllogfile rm -rv $build/busybox &>> $fulllogfile mkdir -v $build/busybox &>> $fulllogfile cd $build/busybox tar -xvjf $root/downloads/busybox-1.36.1.tar.bz2 &>> $fulllogfile cd busybox-1.36.1 cp -v $root/busybox/busybox-rootfs-config .config &>> $fulllogfile printf "$UGREEN** Configuring busybox\n$RESET" make oldconfig &> $fulllogfile check $? "Configure busybox all logs in .log" printf "$UGREEN** Building busybox\n$RESET" make $makeflags &> $fulllogfile check $? "Build busybox all logs in .log" cp -v busybox $rootfspath/usr/bin &>> $fulllogfile cd $rootfspath/usr/bin for i in $(./busybox --list); do ln -s busybox $i; done glibc kernel cp -v $root/build/kernel/linux-6.7.4/arch/x86/boot/bzImage $rootfspath/boot/vmlinuz-linux &>> $fulllogfile kernel_modules &>> $fulllogfile initramfs cp -v $root/build/initramfs.img $rootfspath/boot/ chmod 640 $rootfspath/etc/shadow $rootfspath/etc/inittab chmod 755 $rootfspath/etc/init.d/* $rootfspath/usr/share/udhcpc/default.script chmod 644 $rootfspath/etc/{passwd,group,hostname,hosts,fstab,shells,issue} $rootfspath/etc/network/interfaces check $? "Build rootfs" } # rootfs #-------------------------------------------------- #---------- Cleaning build and out directory --------- clean() { printf "$UGREEN** Cleaning build and out directories\n$RESET" rm -rv $root/.log/* &>> $fulllogfile mkdir -p $root/.log rm -rv $out &>> $fulllogfile mkdir -p $out rm -rv $build &>> $fulllogfile mkdir -p $build printf "$UGREEN** SUCCESS: Cleaning build and out directories\n$RESET" } # clean #----------------------------------------------------- #------------- grub rescue --------------------------- grub_rescue() { grub-mkrescue -o $build/simplelinux.iso $rootfspath } #----------------------------------------------------- if [ "$1" = "clean" ]; then clean exit 0 fi clean download_sources # kernel # kernel_modules # initramfs rootfs grub_rescue