+# efi boot {{{
+ # default, independent of UEFI support
+ BOOT_ARGS="-no-emul-boot -boot-load-size 4 -boot-info-table -b boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat"
+
+ case "$MKISOFS" in
+ xorriso*)
+ echo "Using xorriso for ISO generation."
+ if ! dpkg --compare-versions $(dpkg-query -W -f='${Version}\n' xorriso 2>/dev/null) gt-nl 1.1.6-1 ; then
+ echo "Disabling (U)EFI boot support since xorriso version is not recent enough."
+ else
+ echo "xorriso with -eltorito-alt-boot support present"
+
+ if ! [ -r "${WRKDIR}/cddir/boot/efi.img" ] ; then
+ echo "File /boot/efi.img not found, not extending boot arguments for (U)EFI boot."
+ else
+ echo "/boot/efi.img found, extending boot arguments for (U)EFI boot."
+ BOOT_ARGS="$BOOT_ARGS -boot-info-table -eltorito-alt-boot -e boot/efi.img -no-emul-boot"
+ fi
+ fi
+ ;;
+ esac
+# }}}
+
+# adjust ISO for small output if necessary {{{
+ if [ -n "$URI" ] ; then
+ bootloader_files=$(find . -name "*.cfg" -type f)
+ bootloader_files+=" "
+ bootloader_files+=$(find . -name "*.lst" -type f)
+ output_dir=$(dirname "$ISOFILE")
+ for squashfs in $(find . -name *.squashfs) ; do
+ media_path="$(dirname "$squashfs")"
+ filename="$(basename "$squashfs")"
+ target="$output_dir/$filename"
+ if [ -f "$target" ] && [ ! -n "$FORCE" ] ; then
+ echo >&2 "Warning: $target already exists, and -force not specified, not overwriting"
+ else
+ mv $squashfs $target
+ OUTPUT_FILES+=("$target")
+ fi
+ sed -i -e "s#^\(^.*$media_path.*\)\($URI\)\(.*$\)#\1$URI/$filename\3#g" $bootloader_files
+
+ done
+ fi
+# }}}
+
+# copy specified directory to cd {{{
+ if [ -n "$DIR" ] ; then
+ echo >&2 "Copying ${DIR} to generated ISO"
+ for param in GRML_NAME VERSION RELEASENAME DATE SHORT_NAME \
+ VERSION BOOTID RELEASE_INFO ; do
+ EXCLUDE_PARAM="$EXCLUDE_PARAM --exclude **%${param}%**"
+ done
+ rsync -a ${DIR}/ $EXCLUDE_PARAM .
+ fi
+
+ # adjust files from overlay directory
+ for GRML_VERSION_FILE in $(find . -name grml-version) ; do
+ GRML_NAME=$(awk '{print $1}' "$GRML_VERSION_FILE")
+ VERSION=$(awk '{print $2}' "$GRML_VERSION_FILE")
+ RELEASENAME=$(sed 's/.*- \(.*\).*\[.*/\1/' "$GRML_VERSION_FILE")
+ DATE=$(sed 's/.*\[\(.*\)].*/\1/' "$GRML_VERSION_FILE")
+ SHORT_NAME="$(echo $GRML_NAME | tr -d ',./;\- ')"
+ RELEASE_INFO="$GRML_NAME $VERSION - $RELEASENAME"
+ BOOTID=$(cat conf/bootid.txt)
+
+ for param in GRML_NAME VERSION RELEASENAME DATE SHORT_NAME \
+ RELEASE_INFO BOOTID ; do
+ value="$(eval echo '$'"$param")"
+
+ # copy parameterized files from the overlay directory
+ for file in $(find ${DIR} -name "*%$param%*") ; do
+ file=${file##$DIR/}
+ target_dir="$(dirname ${file})"
+ mkdir -p "$target_dir" || true
+ cp -r ${DIR}/${file} ./${target_dir}/"$(basename ${file/\%${param}\%/$value})"
+ done
+
+ # adjust config files
+ for file in ./boot/isolinux/*.cfg ./boot/isolinux/*.msg \
+ ./boot/grub/*.cfg ; do
+ sed -i "s/%$param%/$value/g" ${file} 2>/dev/null || true
+ done
+ done
+ done
+# }}}
+