mirror of
https://github.com/krglaws/MyLFS.git
synced 2025-07-26 15:46:59 +00:00
add --install command
This commit is contained in:
Kyle Glaws
155
mylfs.sh
155
mylfs.sh
@ -58,6 +58,9 @@ function usage {
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" the build, since the image will be automatically mounted\n" \
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" and then unmounted at the end.\n" \
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"\n" \
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" -n|--install Specify the path to a block device on which to install the\n" \
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" fully built img file.\n" \
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"\n" \
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" -c|--clean This will unmount and delete the image, and clear the\n" \
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" logs.\n" \
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"\n" \
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@ -196,9 +199,6 @@ function init_image {
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# create image file
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fallocate -l$LFS_IMG_SIZE $LFS_IMG
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# hopefully banish any ghost images (fdisk could prompt more than expected)
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dd if=/dev/zero of=$LFS_IMG bs=1M count=1 conv=notrunc &> /dev/null
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# attach loop device
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export LOOP=$(losetup -f) # export for grub.sh
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losetup $LOOP $LFS_IMG
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@ -218,7 +218,7 @@ function init_image {
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# so ignore non-zero exit code, and manually re-read
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trap - ERR
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set +e
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echo "$FDISK_INSTR" | fdisk $LOOP &> /dev/null
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echo "$FDISK_INSTR" | fdisk --wipe always $LOOP &> /dev/null
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set -e
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trap "echo 'init failed.' && unmount_image && exit 1" ERR
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@ -235,7 +235,7 @@ function init_image {
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# setup root partition
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mkfs -t $LFS_FS $LOOP_P2 &> /dev/null
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mkdir -p $LFS
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mount $LOOP_P2 $LFS
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mount -t $LFS_FS $LOOP_P2 $LFS
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# setup EFI partition
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mkfs.vfat $LOOP_P1 &> /dev/null
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@ -251,7 +251,7 @@ function init_image {
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# setup root partition
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mkfs -t $LFS_FS $LOOP_P1 &> /dev/null
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mkdir -p $LFS
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mount $LOOP_P1 $LFS
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mount -t $LFS_FS $LOOP_P1 $LFS
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e2label $LOOP_P1 $LFSROOTLABEL
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fi
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@ -308,7 +308,7 @@ function init_image {
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install_template ./templates/etc__fstab LFSROOTLABEL LFSEFILABEL LFSFSTYPE
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else
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install_template ./templates/etc__fstab LFSROOTLABEL LFSFSTYPE
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sed -i "s/.*LFSEFILABEL.*//" $LFS/etc/fstab
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sed -i "s/.*LFSEFILABEL.*//" $LFS/etc/fstab
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fi
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# make special device files
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@ -393,7 +393,7 @@ function mount_image {
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export LOOP=$(losetup -f) # export for grub.sh
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local LOOP_P1=${LOOP}p1
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local LOOP_P2=${LOOP}p2
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if $UEFI
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then
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losetup -P $LOOP $LFS_IMG
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@ -427,7 +427,8 @@ function unmount_image {
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fi
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# unmount everything
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local MOUNTED_LOCS=$(mount | grep $LFS)
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local GREP_FOR=$({ [ -n "$INSTALL_TGT" ] && echo "$LFS\|$INSTALL_MOUNT"; } || echo "$LFS")
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local MOUNTED_LOCS=$(mount | grep $GREP_FOR)
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if [ -n "$MOUNTED_LOCS" ];
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then
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echo "$MOUNTED_LOCS" | cut -d" " -f3 | tac | xargs umount
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@ -573,6 +574,125 @@ function build_phase {
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return 0
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}
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function install_image {
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if [ $UID -ne 0 ]
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then
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echo "ERROR: must be run as root"
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exit 1
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fi
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if [ ! -f $LFS_IMG ]
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then
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echo "ERROR: $LFS_IMG does not exist. Be sure to build LFS completely before attempting to install."
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exit 1
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fi
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local PART_PREFIX=""
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case "$(basename $INSTALL_TGT)" in
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sd[a-z])
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PART_PREFIX=""
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;;
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nvme[0-9]n[1-9])
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PART_PREFIX="p"
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;;
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*)
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echo "ERROR: Unsupported device name '$INSTALL_TGT'."
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exit 1
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;;
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esac
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read -p "WARNING: This will delete all contents of the device '$INSTALL_TGT'. Continue? (Y/N): " CONFIRM
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if [[ $CONFIRM != [yY] && $CONFIRM != [yY][eE][sS] ]]
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then
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echo "Cancelled."
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exit
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fi
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echo -n "Installing LFS onto ${INSTALL_TGT}... "
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if $VERBOSE
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then
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set -x
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fi
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# partition the device
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if $UEFI
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then
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local FDISK_INSTR=$FDISK_INSTR_UEFI
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else
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local FDISK_INSTR=$FDISK_INSTR_BIOS
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fi
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# remove spaces and comments
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FDISK_INSTR=$(echo "$FDISK_INSTR" | sed 's/ *#.*//')
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echo "$FDISK_INSTR" | fdisk --wipe always $INSTALL_TGT > /dev/null
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trap "echo 'install failed.' && unmount_image && exit 1" ERR
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local LOOP=$(losetup -f)
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losetup -P $LOOP $LFS_IMG
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local LOOP_P1=${LOOP}p1
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local LOOP_P2=${LOOP}p2
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local INSTALL_P1="${INSTALL_TGT}${PART_PREFIX}1"
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local INSTALL_P2="${INSTALL_TGT}${PART_PREFIX}2"
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mkdir -p $LFS $INSTALL_MOUNT
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if $UEFI
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then
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# setup root partition
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mkfs -t $LFS_FS $INSTALL_P2 &> /dev/null
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mkdir -p $INSTALL_MOUNT
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mount -t $LFS_FS $INSTALL_P2 $INSTALL_MOUNT
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# setup EFI partition
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mkfs.vfat $INSTALL_P1 &> /dev/null
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mkdir -p $INSTALL_MOUNT/boot/efi
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mount -t vfat $INSTALL_P1 $INSTALL_MOUNT/boot/efi
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# label the partitions
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dosfslabel $INSTALL_P1 $LFSEFILABEL &> /dev/null
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e2label $INSTALL_P2 $LFSROOTLABEL
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# mount $LFS_IMG
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mount $LOOP_P2 $LFS
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mount -t vfat $INSTALL_P1 $LFS/boot/efi
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else
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# setup root partition
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mkfs -t $LFS_FS $INSTALL_P1 &> /dev/null
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mkdir -p $LFS
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mount -t $LFS_FS $INSTALL_P1 $INSTALL_MOUNT
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# add label
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e2label $INSTALL_P1 $LFSROOTLABEL
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# mount $LFS_IMG
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mount -t $LFS_FS $LOOP_P1 $LFS
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fi
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cp -r $LFS/* $INSTALL_MOUNT/
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mount --bind /dev $INSTALL_MOUNT/dev
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mount --bind /dev/pts $INSTALL_MOUNT/dev/pts
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mount -t sysfs sysfs $INSTALL_MOUNT/sys
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local GRUB_CMD="grub-install $INSTALL_TGT --target i386-pc"
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if $UEFI
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then
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GRUB_CMD="grub-install $INSTALL_TGT --bootloader-id=LFS --recheck"
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fi
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chroot $INSTALL_MOUNT /usr/bin/bash -c "$GRUB_CMD"
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set +x
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trap - ERR
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unmount_image
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echo "done."
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}
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function clean_image {
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if [ $UID -ne 0 ]
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then
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@ -659,11 +779,13 @@ while [ $# -gt 0 ]; do
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;;
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-p|--start-phase)
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STARTPHASE="$2"
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[ -z "$STARTPHASE" ] && echo "ERROR: $1 missing argument." && exit 1
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shift
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shift
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;;
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-a|--start-package)
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STARTPKG="$2"
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[ -z "$STARTPKG" ] && echo "ERROR: $1 missing argument." && exit 1
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shift
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shift
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;;
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@ -673,6 +795,7 @@ while [ $# -gt 0 ]; do
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;;
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-k|--kernel-config)
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KERNELCONFIG="$2"
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[ -z "$KERNELCONFIG" ] && echo "ERROR: $1 missing argument." && exit 1
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shift
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shift
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;;
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@ -684,6 +807,12 @@ while [ $# -gt 0 ]; do
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UNMOUNT=true
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shift
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;;
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-n|--install)
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INSTALL_TGT="$2"
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[ -z "$INSTALL_TGT" ] && echo "ERROR: $1 missing argument." && exit 1
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shift
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shift
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;;
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-c|--clean)
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CLEAN=true
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shift
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@ -701,7 +830,7 @@ while [ $# -gt 0 ]; do
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done
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OPCOUNT=0
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for OP in BUILDALL CHECKDEPS DOWNLOAD INIT STARTPHASE MOUNT UNMOUNT CLEAN
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for OP in BUILDALL CHECKDEPS DOWNLOAD INIT STARTPHASE MOUNT UNMOUNT INSTALL_TGT CLEAN
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do
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OP="${!OP}"
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if [ -n "$OP" -a "$OP" != "false" ]
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@ -747,6 +876,12 @@ $MOUNT && mount_image && exit
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$UNMOUNT && unmount_image && exit
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$CLEAN && clean_image && exit
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if [ -n "$INSTALL_TGT" ]
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then
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install_image
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exit
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fi
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if [ -n "$STARTPHASE" ]
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then
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if [ ! -f $LFS_IMG ]
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