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149 lines
3.8 KiB
149 lines
3.8 KiB
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# Filename: target/share/squashfs/build.sh
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# Copyright (C) 2011 The OpenSDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License. A copy of the
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# GNU General Public License can be found in the file COPYING.
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# --- SDE-COPYRIGHT-NOTE-END ---
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#Description: SquashFS rootfs
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rootfs="$build_toolchain/squashfs"
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image="$rootfs.sqx"
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rm -f "$image"
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rm -rf "$rootfs"
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mkdir -p "$rootfs"
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SQUASHFS_REMOVE_EMPTY_DIRS=0
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SQUASHFS_REMOVE_BROKEN_LINKS=0
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# Hooks
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#
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SQUASHFS_POSTINSTALL_HOOK=
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SQUASHFS_POSTOVERLAY_HOOK=
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# Lists
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#
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SQUASHFS_INSTALL_PACKAGES=
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SQUASHFS_INSTALL_PATTERN="-e '/ boot/d;'"
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SQUASHFS_EMPTY_PATTERN="-e '/\.\/lib\/udev\/devices\//d;'"
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# source library, and the target specific overlay
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#
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. "target/share/squashfs.in"
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if [ -f target/$target/build-squashfs.in ]; then
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. target/$target/build-squashfs.in
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fi
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# install what was flisted for stage 1 packages, use $SQUASHFS_INSTALL_PATTERN to skip files
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#
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[ -n "$SQUASHFS_INSTALL_PACKAGES" ] || SQUASHFS_INSTALL_PACKAGES=$( squashfs_list_packages )
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echo_status "Populating ${rootfs#$base/} ..."
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for pkg_name in $SQUASHFS_INSTALL_PACKAGES; do
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if squashfs_install "$pkg_name" "build/$SDECFG_ID" "$rootfs"; then
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echo_status "- $pkg_name"
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eval "squashfs_install_flist '$pkg_name' 'build/$SDECFG_ID' '$rootfs' $( squashfs_install_pattern "$pkg_name" "$SQUASHFS_INSTALL_PATTERN" )"
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fi
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done
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# hook $SQUASHFS_POSTINSTALL_HOOK
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#
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[ -z "$SQUASHFS_POSTINSTALL_HOOK" ] || eval "$SQUASHFS_POSTINSTALL_HOOK"
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# Apply overlay
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squashfs_install_overlay "target/$target" "$rootfs"
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# hook $SQUASHFS_POSTOVERLAY_HOOK
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#
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[ -z "$SQUASHFS_POSTOVERLAY_HOOK" ] || eval "$SQUASHFS_POSTOVERLAY_HOOK"
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# remove empty directories, use $SQUASHFS_EMPTY_PATTERN to skip directories
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#
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if [ $SQUASHFS_REMOVE_EMPTY_DIRS -ne 0 ]; then
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echo_status "Removing empty directories ..."
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( cd "$rootfs"; find . -type d ) | tac |
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eval "sed -e '/\.\/\(dev\|sys\|proc\|mnt\|srv\|tmp\|root\|var\)\(\|\/.*\)$/d;' $SQUASHFS_EMPTY_PATTERN" | while read folder; do
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count=$( find "$rootfs/$folder" | wc -l )
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if [ $count -eq 1 ]; then
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#echo_status "- ${folder} deleted."
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rm -r "$rootfs/$folder"
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fi
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done
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fi
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if [ $SQUASHFS_REMOVE_BROKEN_LINKS -ne 0 ]; then
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echo_status "Checking for broken symlinks ..."
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( cd "$rootfs"; find . -type l | cut -c2- ) | while read link; do
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x="$link"
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case "$link" in
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/dev/*) continue ;;
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esac
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while true; do
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target=$( readlink "$rootfs$x" )
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case "$target" in
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/proc/*)
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continue 2
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;;
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/*)
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;;
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*)
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# relatives turned into absolute
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target="${x%/*}/${target}"
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esac
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[ -L "$rootfs$target" ] || break 1
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x="$target"
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done
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if [ ! -e "$rootfs$target" ]; then
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echo_warning "- $link is broken ($target), deleting."
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rm -f "$rootfs$link"
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fi
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done
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fi
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# ldconfig
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#
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if [ -s "$rootfs/etc/ld.so.conf" ]; then
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echo_status "Running ldconfig ..."
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ldconfig -r "$rootfs"
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fi
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# sanity checks
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#
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for x in $rootfs/{,usr/}{sbin,bin}/* $rootfs/init $rootfs/lib/udev/*; do
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[ -e "$x" ] || continue
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signature="$( file "$x" 2> /dev/null | cut -d' ' -f2- )"
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case "$signature" in
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directory) continue ;;
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ASCII\ English\ text)
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continue ;;
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*symbolic*|*statically*|*shell*)
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continue ;;
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*dynamically\ linked*)
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[ "$SDECFG_STATIC" == 1 ] || continue ;;
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esac
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echo_warning "evil signature ($signature) on '${x#$rootfs}'."
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done
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echo_status "Expanded size: $( du -sh "$rootfs" | cut -f1)."
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echo_status "Creating ${rootfs#$base/}.sqx ..."
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( mksquashfs $rootfs $image -comp $SDECFG_IMAGE_SQUASHFS_COMP )
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echo_status "Image size: $( du -sh "$rootfs.sqx" | cut -f1)."
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