mirror of
https://github.com/krizsipeti/custom_blfs_packages.git
synced 2025-01-23 14:32:21 +08:00
182 lines
6.7 KiB
Bash
Executable File
182 lines
6.7 KiB
Bash
Executable File
#!/bin/bash
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# Script that setups LFS installer
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set -e
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# Helper function to pach the packages.ent
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# Parameters are in this order: major, minor, patch, md5 and full path to packages.ent
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patchKernelVersion()
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{
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if [ ! -f "$5" ] ; then
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echo "The packages.ent file is not exist or not defined." >&2
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echo "File: $5"
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return 4
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fi
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sed -i -E "s@(<\!ENTITY linux-major-version \"+)(.+\">)@\1$1\">@" "$5"
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sed -i -E "s@(<\!ENTITY linux-minor-version \"+)(.+\">)@\1$2\">@" "$5"
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sed -i -E "s@(<\!ENTITY linux-md5 \"+)(.+\">)@\1$4\">@" "$5"
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if [ "-" == "$3" ] ; then
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sed -i -E '/<!--/ n; /<\!ENTITY linux-patch-version "/{s/<!E/<!--<!E/g;s/">/">-->/g;}' "$5"
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sed -i -E '/linux-minor-version;">-->/{s/<!--//g;s/-->//g;}' "$5"
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sed -i -E '/<!--/ n; /linux-patch-version;">/{s/<!E/<!--<!E/g;s/;">/;">-->/g;}' "$5"
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else
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sed -i -E '/<!ENTITY linux-patch-version "/{s/<!--//g;s/-->//g;}' "$5"
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sed -i -E "s@(<\!ENTITY linux-patch-version \"+)(.+\">)@\1$3\">@" "$5"
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sed -i -E '/linux-patch-version;">-->/{s/<!--//g;s/-->//g;}' "$5"
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sed -i -E '/<!--/ n; /linux-minor-version;">/{s/<!E/<!--<!E/g;s/;">/;">-->/g;}' "$5"
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fi
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}
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# Check if the lfs mount point folder is specified as the first argument
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if [ -z "$1" ]
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then
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echo "Please specify the lfs mount point folder as the first argument!" >&2
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exit 1
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fi
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# Check if the lfs folder is exists
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if [ ! -d "$1" ]
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then
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echo "LFS mount point folder does not exist!" >&2
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exit 2
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fi
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# Check if jhalfs folder is already exist and delete it if yes
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DIR_JHALFS="$1/jhalfs"
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if [ -d "$DIR_JHALFS" ]
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then
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echo Deleting old jhalfs folder: "$DIR_JHALFS"
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sudo rm -rf "$DIR_JHALFS"
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echo Done!
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fi
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# Now create the jhalfs folder and book-source sub-folder owned by the current user
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DIR_BOOK="$DIR_JHALFS/book-source"
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U="$(id -un)" # current user
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G="$(id -gn)" # current group
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echo Creating jhalfs folder...
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sudo install -v -o "$U" -g root -m 1777 -d "$DIR_JHALFS"
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sudo install -v -o "$U" -g "$G" -m 1777 -d "$DIR_BOOK"
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# Clone the LFS book repository to book-source folder
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echo Cloning lfs book sources...
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git clone https://git.linuxfromscratch.org/lfs.git "$DIR_BOOK"
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# Get the latest kernel version and download link from kernel.org
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echo Getting latest kernel from kernel.org...
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LATEST_KERNEL_URL="$(curl -v --silent https://www.kernel.org/ 2>&1 | sed -n '/<td id="latest_link">/{n; p}' | cut -d '"' -f 2)"
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LATEST_KERNEL_VER="$(cut -d '-' -f 2 <<< "$LATEST_KERNEL_URL" | rev | cut -c8- | rev)"
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echo Latest kernel version: "$LATEST_KERNEL_VER"
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echo Download URL: "$LATEST_KERNEL_URL"
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# Check sources folder existence and create if needed
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DIR_SOURCES="$1/sources"
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if [ ! -d "$DIR_SOURCES" ] ; then
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sudo install -v -o "$U" -g "$G" -m 1777 -d "$DIR_SOURCES"
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else
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sudo chmod -v 1777 "$DIR_SOURCES"
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fi
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# Download latest kernel if not done yet
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KERNEL_FILE_NAME="$(rev <<< "$LATEST_KERNEL_URL" | cut -d '/' -f1 | rev)"
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if [ ! -f "$DIR_SOURCES/$KERNEL_FILE_NAME" ] ; then
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echo Downloading kernel tar ball...
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wget -T 30 -t 5 --directory-prefix="$DIR_SOURCES" "$LATEST_KERNEL_URL"
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echo Done!
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fi
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# Patch packages.ent with latest kernel
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MD5_SUM="$(md5sum "$DIR_SOURCES/$KERNEL_FILE_NAME" | cut -d ' ' -f 1)"
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NUM_VER_DOTS="$(awk -F. '{print NF-1}' <<< "$LATEST_KERNEL_VER")"
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if [ "2" == "$NUM_VER_DOTS" ] ; then
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MAIN_VER="$(awk -F. '{print $(NF-2)}' <<< "$LATEST_KERNEL_VER")"
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MINOR_VER="$(awk -F. '{print $(NF-1)}' <<< "$LATEST_KERNEL_VER")"
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PATCH_VER="$(awk -F. '{print $(NF)}' <<< "$LATEST_KERNEL_VER")"
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elif [ "1" == "$NUM_VER_DOTS" ] ; then
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MAIN_VER="$(awk -F. '{print $(NF-1)}' <<< "$LATEST_KERNEL_VER")"
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MINOR_VER="$(awk -F. '{print $(NF)}' <<< "$LATEST_KERNEL_VER")"
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PATCH_VER="-"
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else
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echo Invalid count of version dots: "$NUM_VER_DOTS" >&2
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echo Where version number is: "$LATEST_KERNEL_VER" >&2
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exit 3
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fi
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patchKernelVersion "$MAIN_VER" "$MINOR_VER" "$PATCH_VER" "$MD5_SUM" "$DIR_BOOK/packages.ent"
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# Check for the kernel config and try to create it based on a previous one if not found
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KERNEL_CONFIG="$HOME/config-$LATEST_KERNEL_VER"
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if [ ! -f "$KERNEL_CONFIG" ] ; then
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# Look for older config files in the user's home directory
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CONFIG_FILE=$(find "$HOME" -type f -iwholename "$HOME/config-*")
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if [ -z "$CONFIG_FILE" ] ; then
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echo "Cannot find $KERNEL_CONFIG and also no old configs found to create it."
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exit 4
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fi
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# Select the most recent file based on modification date if there are more
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CONFIG_FILE=$(ls -Art $CONFIG_FILE | tail -n1)
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echo "Using the following old config: $CONFIG_FILE"
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# Extract the latest kernel tar ball and run 'make oldconfig'
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ORIG_FOLDER=$(pwd)
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cd "$DIR_SOURCES"
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if [ -d "linux-$LATEST_KERNEL_VER" ] ; then
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rm -rf "linux-$LATEST_KERNEL_VER"
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fi
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tar -xf "$KERNEL_FILE_NAME"
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cd "linux-$LATEST_KERNEL_VER"
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cp -v "$CONFIG_FILE" .config
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make oldconfig
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# After config created based on old config, copy it back to user's folder
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cp -v .config "$HOME/config-$LATEST_KERNEL_VER"
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# Go back to original folder and delete unpacked linux folder in sources
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cd "$ORIG_FOLDER"
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rm -rf "$DIR_SOURCES/linux-$LATEST_KERNEL_VER"
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fi
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# Check if setup folder is already exist and delete it if yes
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DIR_SETUP="$1/setup"
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if [ -d "$DIR_SETUP" ]
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then
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echo Deleting old setup folder: "$DIR_SETUP"
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sudo rm -rf "$DIR_SETUP"
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echo Done!
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fi
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# Now create the setup folder owned by the current user
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echo Creating setup folder...
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sudo install -v -o "$U" -g "$G" -m 755 -d "$DIR_SETUP"
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# Clone the jhalfs repository to setup folder
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echo Cloning jhalfs sources...
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git clone https://git.linuxfromscratch.org/jhalfs.git "$DIR_SETUP"
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# Patch opt_config to use -O3 -pipe -march=native
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echo Patching optimization config file...
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sed -i -E '/DEF_OPT_MODE=/s/noOpt/O3pipe_march/g' "$DIR_SETUP/optimize/opt_config"
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# Copy jhalfs config file and adjust some settings in it
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cp -iv lfs_configs/configuration "$DIR_SETUP/"
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echo Patching setup configuration file...
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FILE_CFG="$DIR_SETUP/configuration"
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sed -i -E "\@BUILDDIR=\"xxx\"@s@xxx@$1@g" "$FILE_CFG"
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sed -i -E "\@FSTAB=\"xxx\"@s@xxx@/home/$U/fstab@g" "$FILE_CFG"
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sed -i -E "\@CONFIG=\"xxx\"@s@xxx@/home/$U/config-$LATEST_KERNEL_VER@g" "$FILE_CFG"
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sed -i -E "\@KEYMAP=\"xxx\"@s@xxx@$(localectl | grep Keymap | awk -F' ' '{printf $NF}')@g" "$FILE_CFG"
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# Add additional blfs packages to build config if specified any
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if [ -n "$2" ] ; then
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SCRIPT_DIR="$DIR_SETUP/common/libs/func_install_blfs"
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LINE_NUMBER=$(grep "$SCRIPT_DIR" -e '$LINE_SUDO' -n -m1 | cut -d: -f1)
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ADDITIONAL_CONFIGS=$(sed 's/,/\n/g' <<< "$2" | sed 's/$/=y/' | sed 's/^/CONFIG_/' | sed '$!s/$/\\/')
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sed -i "$((LINE_NUMBER+1))i$ADDITIONAL_CONFIGS" "$SCRIPT_DIR"
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fi
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# Enter to setup folder and start installer
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cd "$DIR_SETUP"
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yes "yes" | ./jhalfs run
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