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44 lines
1.1 KiB
Plaintext
44 lines
1.1 KiB
Plaintext
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##
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# Create GPT disk image with UEFI boot loaders and content of the run directory
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#
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# \param --image-uefi-size disk size in MiB
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#
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proc image_uefi_size { } { return [get_cmd_arg --image-uefi_size 0] }
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##
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# Create uefi image
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#
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proc run_image { {unused ""} } {
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requires_installation_of parted
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requires_installation_of mkfs.vfat
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requires_installation_of mcopy
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set run_size [expr [regsub {\s.*} [exec du -sm [run_dir]] {}]]
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if {[image_uefi_size] > 0} {
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set disk_size [image_uefi_size]
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} else {
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set disk_size [expr $run_size + 1]
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}
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# generate head space designated for the partition table
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exec dd if=/dev/zero of=[run_dir].header count=34 bs=512 2>/dev/null
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exec dd if=/dev/zero of=[run_dir].partition bs=1M count=$disk_size 2>/dev/null
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exec mkfs.vfat -n GENODE [run_dir].partition
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# copy content to disk image
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foreach file [exec ls [run_dir]] {
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exec mcopy -i [run_dir].partition -s [run_dir]/$file ::
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}
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exec cat [run_dir].header [run_dir].partition > [run_dir].img
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exec parted -a none -s [run_dir].img -- mklabel gpt mkpart ESP fat32 34s [expr $disk_size * 1024 * 1024 / 512]s set 1 boot on
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exec rm -f [run_dir].header [run_dir].partition
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}
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