Added modes "mbr_only", "original" and parameter variables MKRESCUE_SED_*
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@ -16,33 +16,105 @@ echo >&2
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# grub-mkrescue -o output.iso minimal \
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# --xorriso=/home/thomas/xorriso-1.4.3./frontend/grub-mkrescue-sed.sh
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#
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# It will manipulate the xorriso arguments before
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# they get executed by the neighboring ../../xorriso/xorriso program.
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# It will manipulate the xorriso arguments before they get executed by a
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# xorriso program. Default is the neighboring ../../xorriso/xorriso program or,
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# if that neighbor cannot be found, the system-wide installed xorriso.
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#
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# In its current form it implements an experiment which should be
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# accompanied by a xorriso from
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# The mode "mjg" implements an experiment which should be accompanied by a
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# GNU xorriso built by
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# export CPPFLAGS="-DLibisofs_mjg_boot_for_grub2"
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# ./configure && make clean && make
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#
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# The mode "mbr_only" implements an alternative fully UEFI compliant layout
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# which does not produce GTP, HFS+, and APM.
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# It is supposed to work with any unmodified xorriso >= 1.3.2
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#
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# Variation settings:
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#
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# Variation settings
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#
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# The environment variables MKRESCUE_SED_* override the following
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# default settings:
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# First argument of -append_partition
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# Manipulation mode:
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# "mjg" = ESP in MBR+GPT+APM, with HFS+
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# "mbr_only" = ESP in MBR, without HFS+
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# "original" = pass arguments unchanged
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mode="mjg"
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if test -n "$MKRESCUE_SED_MODE"
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then
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mode="$MKRESCUE_SED_MODE"
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fi
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# First argument of -append_partition with mode "mjg". Values: 1 or 2.
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partno=1
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if test -n "$MKRESCUE_SED_PARTNO"
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then
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partno="$MKRESCUE_SED_PARTNO"
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fi
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# Replacement for option --protective-msdos-label
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# Replacement for option --protective-msdos-label. Either itself or empty text.
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# If the environment variable contains the word "no", this means empty.
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protective="--protective-msdos-label"
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if test -n "$MKRESCUE_SED_PROTECTIVE"
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then
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if test x"$MKRESCUE_SED_PROTECTIVE" = xno
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then
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protective=""
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elif test x"$MKRESCUE_SED_PROTECTIVE" = xyes
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then
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protective="--protective-msdos-label"
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else
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protective="$MKRESCUE_SED_PROTECTIVE"
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fi
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fi
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# "yes" make the script very verbous
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# "yes" shows xorriso arguments, "extra" additionally shows all input files.
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debug=no
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if test -n "$MKRESCUE_SED_DEBUG"
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then
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debug="$MKRESCUE_SED_DEBUG"
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fi
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if test "$debug" = yes
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# The path to the program that will be executed with the converted arguments.
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if test -n "$MKRESCUE_SED_XORRISO"
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then
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xorriso="$MKRESCUE_SED_XORRISO"
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else
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# Prefer neighboring xorriso binary over system-wide installed one.
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self_dir="$(dirname $(dirname "$0") )"
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if test -x "$self_dir"/xorriso/xorriso
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then
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xorriso="$self_dir"/xorriso/xorriso
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else
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xorriso="xorriso"
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fi
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fi
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# MKRESCUE_SED_XORRISO_ARGS will be used as first arguments of the xorriso run.
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# (Trailing xorriso arguments may be simply added to the grub-mkrescue
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# command line.)
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# Each argument must be a single word. No whitespace. No quotation marks.
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#
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# Do the work
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#
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echo "frontend/grub-mkrescue-sed.sh mode: $mode" >&2
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echo >&2
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if test x"$debug" = xyes -o x"$debug" = xextra
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then
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# Show arguments
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echo "##### Begin of received arguments" >&2
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echo "$0" >&2
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for i in "$@"
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do
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echo "|""$i""|" >&2
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echo "$i" >&2
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done
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echo "##### End of recived arguments" >&2
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echo >&2
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fi
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# Look for the name of the /tmp directory with the GRUB2 files.
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@ -61,12 +133,14 @@ do
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fi
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done
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if test "$debug" = yes
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if test x"$debug" = xextra
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then
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# Show files on disk
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find "$dir"
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fi
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if test x"$mode" = xmjg
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then
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# Exchange arguments for the experimental GRUB2 mjg layout
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x=$(echo " $*" | sed \
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-e "s/-efi-boot-part --efi-boot-image/-no-pad -append_partition $partno 0xef \/tmp\/$(basename "$dir")\/efi.img/" \
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@ -74,13 +148,34 @@ x=$(echo " $*" | sed \
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-e "s/--protective-msdos-label/$protective/" \
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)
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if test "$debug" = yes
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elif test x"$mode" = xmbr_only
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then
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# Exchange arguments for no-HFS MBR-only layout
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x=$(echo " $*" | sed \
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-e "s/-efi-boot-part --efi-boot-image/-no-pad -append_partition 2 0xef \/tmp\/$(basename "$dir")\/efi.img/" \
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-e "s/-hfsplus .*CoreServices\/boot.efi//" \
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-e "s/--protective-msdos-label/$protective/" \
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)
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elif test x"$mode" = xoriginal
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then
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# Pass arguments unchanged
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x=" $*"
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else
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echo >&2
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echo "$0 : FATAL : Unknown manipulation mode '$mode'." >&2
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echo >&2
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exit 1
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fi
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if test x"$debug" = xyes -o x"$debug" = xextra
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then
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echo "+ converted xorriso arguments:" >&2
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echo " $x" >&2
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echo >&2
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fi
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# Run neighboring xorriso binary with the altered arguments
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self_dir=$(dirname $(dirname "$0") )
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"$self_dir"/xorriso/xorriso $x
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# Run xorriso binary with the converted arguments
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"$xorriso" $MKRESCUE_SED_XORRISO_ARGS $x
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