initial commit

build_image.sh

@@ -0,0 +1,90 @@
+#!/bin/sh
+
+# Script to build linux install media image
+version=0.0.1
+# TolaMironcenko is licensed under MIT
+
+. ./colors.sh
+. ./funcs.sh
+
+#------------ config ------------------
+root=$(pwd)
+disk="sdz"
+distro_name="Simple"
+distro_desc="Simple linux distro"
+distro_codename="zero_zero_one"
+hyperv_support="false"
+out=$root/out
+build=$root/build
+kernel=""
+busybox=""
+sourcesfilename=sources.txt
+initramfsfile=$root/initramfs/initramfs.txt
+initramfspath=$build/initramfs
+rootfsfile=$root/rootfs/rootfs.txt
+rootfspath=$build/rootfs
+#--------------------------------------
+
+#-------- check root ------------------
+if [ $(id -u) -ne 0 ]; then
+    printf "$URED** You are not root\n$RESET"
+    exit 1
+fi
+#--------------------------------------
+
+mkdir $out
+mkdir $root/.log
+
+download_sources() {
+    printf "$UGREEN** Downloading sources\n$RESET"
+    cat $sourcesfilename
+    if [ ! -d downloads ]; then mkdir downloads; fi
+    wget --input-file=$sourcesfilename --continue --directory-prefix=$root/downloads
+    check $? "Download sources"
+}
+
+initramfs() {
+    printf "$UGREEN** Building initramfs\n$RESET"
+    rm -r $initramfspath;
+    mkdir -p $initramfspath;
+    cd $initramfspath;
+    mkdir -p $(cat $initramfsfile);
+    cp $root/initramfs/init.in $initramfspath/init
+    chmod 755 $initramfspath/init
+    rm -r $build/busybox
+    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 &> $root/.log/busybox-configure.log
+    check $? "Configure busybox all logs in .log"
+    printf "$UGREEN** Building busybox\n$RESET"
+    make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- -j16 &> $root/.log/busybox-build.log
+    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 ..
+    find . | cpio -H newc -o | gzip > ../initramfs.img
+    check $? "Build initramfs.img image"
+    cd $root
+}
+
+rootfs() {
+    rm -rv $rootfspath
+    mkdir -pv $rootfspath
+    cd $rootfspath
+    mkdir -pv $(cat $rootfsfile)
+}
+
+clean() {
+    rm -rv $out
+    rm -rv $build
+}
+
+# download_sources
+initramfs