323 lines
7.2 KiB
Bash
Executable File
323 lines
7.2 KiB
Bash
Executable File
#!/bin/sh
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# lh_binary_rootfs(1) - build rootfs image
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# Copyright (C) 2006-2008 Daniel Baumann <daniel@debian.org>
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#
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# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
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# This is free software, and you are welcome to redistribute it
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# under certain conditions; see COPYING for details.
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set -e
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# Including common functions
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. "${LH_BASE:-/usr/share/live-helper}"/functions.sh
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# Setting static variables
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DESCRIPTION="$(Echo 'build rootfs image')"
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HELP=""
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USAGE="${PROGRAM} [--force]"
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Arguments "${@}"
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# Reading configuration files
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Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
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Set_defaults
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Echo_message "Begin building root filesystem image..."
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# Requiring stage file
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Require_stagefile .stage/config .stage/bootstrap .stage/binary_chroot
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# Checking stage file
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Check_stagefile .stage/binary_rootfs
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# Checking lock file
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Check_lockfile .lock
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# Creating lock file
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Create_lockfile .lock
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case "${LH_ARCHITECTURE}" in
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amd64|i386)
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LINUX="vmlinuz"
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;;
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powerpc)
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LINUX="vmlinux"
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;;
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esac
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case "${LH_INITRAMFS}" in
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casper)
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INITFS="casper"
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;;
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live-initramfs)
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INITFS="live"
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;;
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esac
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# Creating directory
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mkdir -p binary/${INITFS}
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for STAGE in ${LH_CACHE_STAGES}
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do
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if [ "${STAGE}" = "rootfs" ] && [ -d cache/stages_rootfs ]
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then
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# Removing old chroot
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rm -rf binary/"${INITFS}"/filesystem.*
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# Restoring old cache
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mkdir -p binary/"${INITFS}"
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${LH_ROOT_COMMAND} cp -a cache/stages_rootfs/filesystem.* binary/"${INITFS}"
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if [ -n "${LH_ROOT_COMMAND}" ]
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then
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${LH_ROOT_COMMAND} chown -R $(whoami):$(whoami) binary
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fi
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# Creating stage file
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Create_stagefile .stage/binary_rootfs
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exit 0
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fi
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done
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# Handling chroot excludes
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if [ "${LH_CHROOT_BUILD}" = "enabled" ]
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then
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if [ -f config/binary_rootfs/excludes ]
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then
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cp config/binary_rootfs/excludes chroot/chroot/excludes
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chroot chroot/chroot /usr/bin/env -i xargs --arg-file=/excludes -I FILE bash -c 'rm -rf FILE'
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rm -f chroot/chroot/excludes
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fi
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if [ "${LH_DEBIAN_INSTALLER}" != "live" ]
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then
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case "${LH_PACKAGES_LISTS}" in
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stripped|minimal)
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# kernel images
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rm -f chroot/chroot/boot/${LINUX}*
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rm -f chroot/chroot/boot/initrd.img*
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# kernel symlinks
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rm -f chroot/chroot/${LINUX}*
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rm -f chroot/chroot/initrd.img*
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;;
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esac
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fi
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else
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if [ "${LH_CHROOT_FILESYSTEM}" != "squashfs" ]
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then
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Echo_warning "rootfs excludes are not supported on non-chrooted builds unless squashfs as chroot filesystem is used, thus ignoring excludes now."
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fi
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fi
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case "${LH_CHROOT_FILESYSTEM}" in
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ext2|ext3)
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# Checking depends
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Check_package chroot/usr/bin/genext2fs genext2fs
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# Restoring cache
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Restore_cache cache/packages_binary
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# Installing depends
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Install_package
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# Remove old image
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if [ -f binary/${INITFS}/filesystem.${LH_CHROOT_FILESYSTEM} ]
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then
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rm -f binary/${INITFS}/filesystem.${LH_CHROOT_FILESYSTEM}
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fi
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DU_DIM="$(du -ks chroot/chroot | cut -f1)"
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REAL_DIM="$(Calculate_partition_size ${DU_DIM} ${LH_CHROOT_FILESYSTEM})"
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if [ "${LH_DISTRIBUTION}" = "etch" ]
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then
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RESERVED_PERCENTAGE="--reserved-blocks"
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else
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RESERVED_PERCENTAGE="--reserved-percentage"
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fi
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case "${LH_CHROOT_BUILD}" in
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enabled)
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Chroot chroot "genext2fs --size-in-blocks=${REAL_DIM} ${RESERVED_PERCENTAGE}=0 --root=chroot filesystem.${LH_CHROOT_FILESYSTEM}"
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# Move image
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mv chroot/filesystem.${LH_CHROOT_FILESYSTEM} binary/${INITFS}
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rm -rf chroot/chroot
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;;
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disabled)
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genext2fs --size-in-blocks=${REAL_DIM} ${RESERVED_PERCENTAGE}=0 --root=chroot binary/${INITFS}/filesystem.${LH_CHROOT_FILESYSTEM}
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;;
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esac
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# Saving cache
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Save_cache cache/packages_binary
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# Removing depends
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Remove_package
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;;
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jffs2)
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# Checking depends
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Check_package chroot/usr/sbin/mkfs.jffs2 mtd-tools
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# Restoring cache
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Restore_cache cache/packages_binary
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# Installing depends
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Install_package
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# Remove old jffs2 image
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if [ -f binary/${INITFS}/filesystem.jffs2 ]
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then
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rm -f binary/${INITFS}/filesystem.jffs2
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fi
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if [ -n "${LH_JFFS2_ERASEBLOCK}" ]
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then
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JFFS2_OPTIONS="--eraseblock=${LH_JFFS2_ERASEBLOCK}"
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fi
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case "${LH_CHROOT_BUILD}" in
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enabled)
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Chroot chroot "mkfs.jffs2 ${JFFS2_OPTIONS} --root=chroot --output filesystem.jffs2"
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# Move image
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mv chroot/filesystem.jffs2 binary/${INITFS}
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rm -rf chroot/chroot
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;;
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disabled)
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mkfs.jffs2 ${JFFS2_OPTIONS} --root=chroot --output binary/${INITFS}/filesystem.jffs2
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;;
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esac
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# Saving cache
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Save_cache cache/packages_binary
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# Removing depends
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Remove_package
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;;
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plain)
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if [ -d binary/${INITFS}/filesystem.dir ]
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then
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rm -rf binary/${INITFS}/filesystem.dir
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fi
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case "${LH_CHROOT_BUILD}" in
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enabled)
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mv chroot/chroot binary/${INITFS}/filesystem.dir
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;;
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disabled)
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cp -a chroot binary/${INITFS}/filesystem.dir
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;;
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esac
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;;
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squashfs)
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# Checking depends
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Check_package chroot/usr/share/doc/squashfs-tools squashfs-tools
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# Restoring cache
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Restore_cache cache/packages_binary
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# Installing depends
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Install_package
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# Remove old squashfs image
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if [ -f binary/${INITFS}/filesystem.squashfs ]
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then
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rm -f binary/${INITFS}/filesystem.squashfs
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fi
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# Remove stale squashfs image
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rm -f chroot/filesystem.squashfs
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if [ "${_QUIET}" = "enabled" ] && [ "${LH_DISTRIBUTION}" != "etch" ]
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then
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MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -no-progress"
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fi
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if [ "${_VERBOSE}" = "enabled" ]
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then
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MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -info"
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fi
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if [ -f config/binary_rootfs/squashfs.sort ]
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then
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MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -sort squashfs.sort"
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cp config/binary_rootfs/squashfs.sort chroot #FIXME
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fi
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case "${LH_CHROOT_BUILD}" in
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enabled)
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# Create image
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Chroot chroot "mksquashfs chroot filesystem.squashfs ${MKSQUASHFS_OPTIONS}"
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# Move image
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${LH_ROOT_COMMAND} mv chroot/filesystem.squashfs binary/${INITFS}
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${LH_ROOT_COMMAND} rm -rf chroot/chroot chroot/squashfs.sort
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;;
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disabled)
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if [ -f config/binary_rootfs/excludes ]
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then
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case "${LH_DISTRIBUTION}" in
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etch)
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MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -ef config/binary_rootfs/excludes"
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if grep '*' config/binary_rootfs/excludes > /dev/null
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then
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Echo_warning "etch squashfs does not support wildcard excludes in config/binary_rootfs/excludes and are ignored. Please build in chrooted mode or adjust your exclude file."
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fi
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;;
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lenny|sid)
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MKSQUASHFS_OPTIONS="${MKSQUASHFS_OPTIONS} -wildcards -ef config/binary_rootfs/excludes"
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;;
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esac
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fi
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mksquashfs chroot binary/${INITFS}/filesystem.squashfs ${MKSQUASHFS_OPTIONS}
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;;
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esac
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if [ -n "${LH_ROOT_COMMAND}" ]
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then
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${LH_ROOT_COMMAND} chown -R $(whoami):$(whoami) binary/${INITFS}
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fi
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# Saving cache
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Save_cache cache/packages_binary
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# Removing depends
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Remove_package
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;;
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esac
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for STAGE in ${LH_CACHE_STAGES}
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do
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if [ "${STAGE}" = "rootfs" ]
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then
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rm -rf cache/stages_rootfs
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mkdir -p cache/stages_rootfs
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${LH_ROOT_COMMAND} cp -a binary/"${INITFS}"/filesystem.* cache/stages_rootfs
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if [ -n "${LH_ROOT_COMMAND}" ]
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then
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${LH_ROOT_COMMAND} chown -R $(whoami):$(whoami) cache/stages_rootfs
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fi
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fi
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done
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# Creating stage file
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Create_stagefile .stage/binary_rootfs
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