6장 완료후 책의 끝까지 유용하게 사용하는 스크립트

사용법:
auto-lfs s : chroot 실행, 필요한 시스템 디렉토리 마운트
auto-lfs c : chroot 종료후 불필요한 시스템 디렉토리 마운트 해제

#!/bin/bash
# Begin auto-lfs
#
# For LFS 12.1-systemd
# you can use it after proceeding with <7.2 Changing Owner> 
# Mount and unmount kernel virtual file system and entering to chroot environment

LFS=/mnt/lfs
LFS_PART=/dev/nvme0n1p6
VERSION=0.1.5
# Dedicated partition mount
if mountpoint -q $LFS; then true; else mount $LFS_PART $LFS; fi
if mountpoint -q $LFS/boot; then true; else mount /dev/nvme0n1p3 $LFS/boot; fi
if mountpoint -q $LFS/boot/efi; then true; else  mount /dev/nvme0n1p1 $LFS/boot/efi; fi
if mountpoint -q $LFS/home; then true; else  mount /dev/nvme0n1p4 $LFS/home; fi

# Mount point dirctory check
if [ ! -d $LFS/dev ]; then
        echo "Make necessary directories"
        mkdir -pv $LFS/{dev,proc,sys,run}
else
        echo "All required directories have been verified."
fi

# To prepare for run 'chroot', run 'umount' block if a directory exists, or run 'mount' block
case $1 in
    clean|c|-c)
        if mountpoint -q $LFS/dev/shm; then
            # Unmount Kernel Virtual File System used in previous LFS sessions.
            echo "LFS is now set to '"$LFS"'"
            echo "Now proceed with the unmount of <Kernel Virtual File System> for chroot"
            for kvfs in dev/shm dev/pts sys proc run dev sources; do
                    umount -q $LFS/$kvfs
            done
            findmnt -o FSTYPE,SIZE,USED,AVAIL,USE%,TARGET | grep lfs
            echo "Ok unmount unnecessary devices"
            echo "Good bye"
            exit 0
        else
            echo "Cleanup of Kernel Virtual File System is Complete."
            findmnt -o FSTYPE,SIZE,USED,AVAIL,USE%,TARGET | grep lfs
            exit 0
        fi
    ;;
    start|s|-s)
        # Mount the Kernel Virtual File System to Enter LFS chroot environment.
        echo "Now proceed with the mount of <Kernel Virtual File System> for chroot"
        echo "LFS is now set to '"$LFS"'"
        if mountpoint -q $LFS/dev; then true; else mount --bind /dev $LFS/dev; fi
        if mountpoint -q $LFS/dev/pts; then true; else mount -t devpts devpts -o gid=5,mode=0620 $LFS/dev/pts; fi
        if mountpoint -q $LFS/proc; then true; else mount -t proc proc $LFS/proc; fi
        if mountpoint -q $LFS/sys; then true; else mount -t sysfs sysfs $LFS/sys; fi
        if mountpoint -q $LFS/run; then true; else mount -t tmpfs tmpfs $LFS/run; fi
        if mountpoint -q $LFS/dev/shm; then true; else mount -t tmpfs -o nosuid,nodev tmpfs $LFS/dev/shm; fi
        if mountpoint -q $LFS/sources; then  true; else mount --bind /mnt/sources $LFS/sources; fi
        findmnt -o FSTYPE,SIZE,USED,AVAIL,USE%,TARGET | grep lfs
        # Run 'chroot'
        chroot "$LFS" $(type -p env) -i \
            HOME=/root                  \
            TERM="$TERM"                \
            PS1='<LFS> \u@\h [ \w ] \$ '\
            PATH=/usr/bin:/usr/sbin     \
            MAKEFLAGS="-j$(nproc)"      \
            TESTSUITEFLAGS="-j$(nproc)" \
            NINJAJOBS="$(nproc)"        \
            /bin/bash --login
        exit 0
    ;;
    version|v|-v)
        echo "LFS chroot script $VERSION"
        exit 0
    ;;
    help|h|-h)
        echo "LFS chroot script $VERSION"
        echo "Usage:"
        echo "clean   or c- Unmount Kernel Virtual File System"
        echo "start   or s- Mount and run 'chroot' command with necessary variables"
        echo "version or v- Print script version"
        echo "help    or h - This screen"
        exit 0
    ;;
    *)
        #Guidance on the factors needed to execute script
        echo "sh ./Auto_LFS.sh [ start | clean | help | version ]"
        exit 0
    ;;
esac

다운로드 링크 입력: 다운로드 → 압축 해제 → 디렉토리 이동

user@host:[ ~ ] $ pre-stage  https://xorg.freedesktop.org/archive/individual/proto/xcb-proto-1.17.0.tar.xz
xcb-proto-1.17.0.tar 100% [====================================================>]  148.19K  302.76KB/s
                          [Files: 1  Bytes: 148.19K [153.40KB/s] Redirects: 0  Todo: 0  Errors: 0    ]
user@host:[ /workbench/xcb-proto-1.17.0 ] $ _

#!/bin/bash
# 파일명이나 다운로드 링크를 입려가면 압축해제 후 해당 디렉토리로 이동하는 스크립트.
# 입력받은 문자열이 파일 다운로드 링크인지 파일명인지 확인.
# 입력받은 문자열이 "git"로 끝나면 별도 처리
# 링크면 다운로드후 진행.
# 파일명이면 압축 해제하고 디렉토리 변경 시도.
# 파일명과 디렉토리에 일관성이 없으면 디렉토리 변경 실패.

InputStringType=$(echo "$1" | awk 'BEGIN { FS = ":" } ; { print $1 }')
BuildBase=/workbench
SourceBase=/sources
TargetFile=$(basename "$1")
GitCheck=${TargetFile: -3}
TargetDir=$(echo "$TargetFile" | sed -e 's/\.tar.*$//' -e 's/\.tgz*$//' -e 's/\.src*$//' -e 's/\.zip*$//' -e 's@^.*/@@')

function chg_dir() {
        cd "$1"
}

# BuildBase로 이동
if [ "$PWD" != "$BuildBase" ]; then 
        chg_dir "$BuildBase"
fi

#
if [ "$GitCheck" == "git" ]; then 
        git clone "$1"
        cd $(basename -s .git "$1")
        return
fi

case "$InputStringType" in
        https|http|ftp)
            wget --no-verbose --no-clobber --directory-prefix=/sources "$1"
        ;;
        *)
        ;;
esac

# Prepare Package Build
if file "$TargetFile" | grep -q 'Zip archive data'; then
        mkdir -p "$TargetDir"
        chg_dir "$TargetDir"
        unzip -q "SourceBase"/"$TargetFile"
else
        tar -xf "$SourceBase"/"$TargetFile"
        chg_dir "$TargetDir"
fi