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101 lines
3.1 KiB
101 lines
3.1 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/initramfs/build.sh
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# Copyright (C) 2007 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: Initial ramfs image (cpio.gz)
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initrddir="$build_toolchain/initrd"
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rm -rf "$initrddir"
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mkdir -p "$initrddir"
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INITRD_POSTFLIST_HOOK=
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INITRD_FLIST_PACKAGES=
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INITRD_FLIST_PATTERN="-e '/\.\(h\|o\|a\|a\..*\|la\|pc\)$/d;' -e '/ usr\/share\/\(doc\|info\|man\)\//d;'"
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INITRD_EMPTY_PATTERN="-e '/\.\/lib\/udev\/devices\//d;'"
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# weak function, should this package be extracted by flist or not?
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initrd_flist_install_filter() { true; }
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# source target specific code
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#
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if [ -f target/$target/build-initramfs.in ]; then
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. target/$target/build-initramfs.in
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fi
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# install what was flisted for stage 1 packages, use $INITRD_FLIST_PATTERN to skip files
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#
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if [ -z "$INITRD_FLIST_PACKAGES" ]; then
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INITRD_FLIST_PACKAGES=$( grep '^X .1' $base/config/$config/packages | cut -d' ' -f5 | tr '\n' ' ' )
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fi
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echo_status "Populating ${initrddir#$base/} ..."
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for pkg_name in $INITRD_FLIST_PACKAGES; do
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if initrd_flist_install_filter $pkg_name; then
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echo_status "- $pkg_name"
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flist="build/${SDECFG_ID}/var/adm/flists/$pkg_name"
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eval "sed -e '/ var\/adm/ d;' $INITRD_FLIST_PATTERN '$flist'" | cut -f2- -d' ' |
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tar -C "build/${SDECFG_ID}/" -cf- --no-recursion --files-from=- |
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tar -C "$initrddir" -xf-
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fi
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done
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# hook
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#
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[ -z "$INITRD_POSTFLIST_HOOK" ] || eval "$INITRD_POSTFLIST_HOOK"
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if [ -r "target/$target/init.sh" ]; then
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echo_status "Copying target's /init script."
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cp "target/$target/init.sh" "${initrddir}/init"
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chmod +x "${initrddir}/init"
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fi
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# remove empty folder, use $INITRD_EMPTY_PATTERN to skip folders
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#
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echo_status "Removing empty folders ..."
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( cd "$initrddir"; find . -type d ) | tac | eval "sed -e '/\.\/\(dev\|sys\|proc\|mnt\|tmp\)\$/d;' $INITRD_EMPTY_PATTERN" | while read folder; do
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count=$( find "${initrddir}/$folder" | wc -l )
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if [ $count -eq 1 ]; then
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rm -r "${initrddir}/$folder"
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# echo_status "- ${folder} deleted."
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fi
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done
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# sanity check
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[ -x "${initrddir}/init" ] || echo_warning "This image is missing an /init file, it wont run."
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for x in ${initrddir}/{,usr/}{sbin,bin}/* ${initrddir}/init ${initrddir}/lib/udev/*; do
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[ -e "$x" ] || continue
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signature="$( file "$x" 2> /dev/null | cut -d' ' -f2- )"
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case "$signature" in
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directory) continue ;;
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ASCII\ English\ text)
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continue ;;
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*symbolic*|*statically*|*shell*)
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continue ;;
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esac
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echo_warning "evil signature ($signature) on '${x#$initrddir}'."
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done
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echo_status "Expanded size: $( du -sh "$initrddir" | cut -f1)."
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echo_status "Creating ${initrddir#$base/}.img ..."
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( cd "$initrddir"; find * | cpio -o -H newc ) |
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gzip -c -9 > "$initrddir.img"
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echo_status "Image size: $( du -sh "$initrddir.img" | cut -f1)."
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