rootfs build updated
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@@ -1,28 +1,44 @@
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#!/bin/sh
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#--------------------------------- Logo ---------------------------------------------------------------------
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# ####### ## ## ## ## ####### ####### | ####### ## ## ## ######## ## ## |
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#------------------------------------------------------------------------------------------------------------
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# Script to build linux install media image
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version=0.0.1
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version=0.0.1 # script version
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# TolaMironcenko is licensed under MIT
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#--- import rolors ---
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. ./colors.sh
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#---------------------
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#--- import funcs ----
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. ./funcs.sh
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#---------------------
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#------------ config ------------------
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root=$(pwd)
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disk="sdz"
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distro_name="Simple"
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distro_desc="Simple linux distro"
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distro_codename="zero_zero_one"
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hyperv_support="false"
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out=$root/out
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build=$root/build
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kernel=""
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busybox=""
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sourcesfilename=sources.txt
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initramfsfile=$root/initramfs/initramfs.txt
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initramfspath=$build/initramfs
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rootfsfile=$root/rootfs/rootfs.txt
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rootfspath=$build/rootfs
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root=$(pwd) # root build directory
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disk="sdz" # disk to write install image
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distro_name="Simple" # distro name
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distro_desc="Simple linux distro" # distro desctiption
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distro_codename="zero_zero_one" # distro codename
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hyperv_support="false" # hyperv support for kernel image
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out=$root/out # output directory
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build=$root/build # build directory
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sourcesfilename=sources.txt # sources file for downloading
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initramfsfile=$root/initramfs/initramfs.txt # file to created directories for initramfs
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initramfspath=$build/initramfs # initramfs build directory
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rootfsfile=$root/rootfs/rootfs.txt # file to created directories for rootfs
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rootfspath=$build/rootfs # rootfs build directory
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fulllogfile=/dev/null # file for full build logs
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makeflags=-j16 # makeflags
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#--------------------------------------
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#-------- check root ------------------
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@@ -32,9 +48,10 @@ if [ $(id -u) -ne 0 ]; then
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fi
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#--------------------------------------
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mkdir $out
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mkdir $root/.log
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mkdir $out &> $fulllogfile
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mkdir $root/.log &> $fulllogfile
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#------------ Download needed sources from sources.txt ------------------
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download_sources() {
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printf "$UGREEN** Downloading sources\n$RESET"
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cat $sourcesfilename
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@@ -42,16 +59,59 @@ download_sources() {
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wget --input-file=$sourcesfilename --continue --directory-prefix=$root/downloads
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check $? "Download sources"
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}
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#------------------------------------------------------------------------
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#--------------- Building Linux Kernel ---------------------
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kernel() {
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printf "$UGREEN** Building Linux Kernel\n$RESET"
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rm -r $build/kernel &> $fulllogfile
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mkdir -p $build/kernel &> $fulllogfile
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cd $build/kernel
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printf "$UGREEN** Extracting Linux Kernel\n$RESET"
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tar -xvf $root/downloads/linux-*.tar.xz &> $fulllogfile
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check $? "Extract Linux Kernel"
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cd linux-*
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printf "$UGREEN** Configuring Linux Kernel\n$RESET"
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make defconfig &> $fulllogfile
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check $? "Configure Linux Kernel"
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printf "$UGREEN** Building Linux Kernel\n$RESET"
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make $makeflags &> $fulllogfile
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check $? "Build Linux Kernel"
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ls -lh arch/x86/boot/bzImage
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} # kernel
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#-----------------------------------------------------------
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#----------- Build and Install kernel modules --------------
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kernel_modules() {
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printf "$UGREEN** Building Linux Kernel modules\n$RESET"
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cd $build/kernel/linux-*
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make modules &> fulllogfile
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check $? "Build Linux Kernel modules"
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printf "$UGREEN** Installing Linux Kernel modules into rootfs path\n$RESET"
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mkdir -pv $rootfspath/usr/lib &> fulllogfile
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cd $rootfspath
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ln -sv usr/lib lib &> $fulllogfile
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cd $root/build/kernel/linux-*
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make INSTALL_MOD_PATH=$rootfspath modules_install &> $fulllogfile
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check $? "Install Linux Kernel modules"
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} # kernel_modules
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#-----------------------------------------------------------
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#------------------ Building initramfs.img ------------------------
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initramfs() {
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printf "$UGREEN** Building initramfs\n$RESET"
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rm -r $initramfspath;
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#--------- Creating directories and files -------------------
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rm -r $initramfspath &> $fulllogfile
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mkdir -p $initramfspath;
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cd $initramfspath;
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mkdir -p $(cat $initramfsfile);
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cp $root/initramfs/init.in $initramfspath/init
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chmod 755 $initramfspath/init
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rm -r $build/busybox
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#------------------------------------------------------------
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#------------ Building initramfs busybox and copy to initramfs directory --------------------
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rm -r $build/busybox &> $fulllogfile
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mkdir -p $build/busybox
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cd $build/busybox
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tar -xjf $root/downloads/busybox-1.36.1.tar.bz2
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@@ -63,28 +123,81 @@ initramfs() {
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make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- oldconfig &> $root/.log/busybox-configure.log
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check $? "Configure busybox all logs in .log"
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printf "$UGREEN** Building busybox\n$RESET"
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make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- -j16 &> $root/.log/busybox-build.log
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make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- $makeflags &> $root/.log/busybox-build.log
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check $? "Build busybox all logs in .log"
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cp busybox $initramfspath/bin
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cd $initramfspath/bin
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for i in $(./busybox --list); do ln -s busybox $i; done
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cd ..
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#--------------------------------------------------------------------------------------------
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#--------------------- Creating initramfs.img image ------------
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find . | cpio -H newc -o | gzip > ../initramfs.img
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check $? "Build initramfs.img image"
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cd $root
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}
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#---------------------------------------------------------------
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} # initramfs
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#------------------------------------------------------------------
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#----------- Building rootfs ----------------------
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rootfs() {
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rm -rv $rootfspath
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mkdir -pv $rootfspath
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printf "$UGREEN** Building rootfs\n$RESET"
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rm -rv $rootfspath &> $fulllogfile
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mkdir -pv $rootfspath &> $fulllogfile
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cd $rootfspath
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mkdir -pv $(cat $rootfsfile)
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}
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mkdir -pv $(cat $rootfsfile) &> $fulllogfile
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ln -sv usr/lib lib &> $fulllogfile
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ln -sv usr/lib lib64 &> $fulllogfile
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ln -sv usr/bin bin &> $fulllogfile
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ln -sv usr/bin sbin &> $fulllogfile
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cd usr
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ln -sv bin sbin &> $fulllogfile
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ln -sv lib lib64 &> $fulllogfile
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cp -rv $root/rootfs/etc/* $rootfspath/etc/ &> $fulllogfile
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cp -rv $root/rootfs/usr/* $rootfspath/usr/ &> $fulllogfile
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rm -rv $build/busybox &> $fulllogfile
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mkdir -v $build/busybox &> $fulllogfile
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cd $build/busybox
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tar -xvjf $root/downloads/busybox-*.tar.bz2 &> $fulllogfile
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cd busybox-*
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cp -v $root/busybox/busybox-rootfs-config .config
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printf "$UGREEN** Configuring busybox\n$RESET"
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make oldconfig &> $root/.log/busybox-configure.log
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check $? "Configure busybox all logs in .log"
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printf "$UGREEN** Building busybox\n$RESET"
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make $makeflags &> $root/.log/busybox-build.log
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check $? "Build busybox all logs in .log"
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cp -v busybox $rootfspath/usr/bin
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cd $rootfspath/usr/bin
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for i in $(./busybox --list); do ln -s busybox $i; done
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chmod 640 $rootfspath/etc/shadow $rootfspath/etc/inittab
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chmod 755 $rootfspath/etc/init.d/* $rootfspath/usr/share/udhcpc/default.script
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chmod 644 $rootfspath/etc/{passwd,group,hostname,hosts,fstab,shells,issue} $rootfspath/etc/network/interfaces
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check $? "Build rootfs"
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} # rootfs
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#--------------------------------------------------
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#---------- Cleaning build and out directory ---------
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clean() {
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rm -rv $out
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rm -rv $build
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}
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printf "$UGREEN** Cleaning build and out directories\n$RESET"
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rm -rv $out &> $fulllogfile
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rm -rv $build &> $fulllogfile
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printf "$UGREEN** SUCCESS: Cleaning build and out directories\n$RESET"
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} # clean
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#-----------------------------------------------------
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if [ "$1" = "clean" ]; then
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clean
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exit 0
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fi
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clean
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# download_sources
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initramfs
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# kernel
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# kernel_modules
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# initramfs
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rootfs
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