danielandClaude Opus 5
a06ef0192d
Co-Authored-By: Claude Opus 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01NQRTGoYgnZQsh7uCh6Jsxm
32 lines
1.2 KiB
Bash
Executable File
32 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# mkramdisk.sh - Create a USTAR tar archive for the MontaukOS ramdisk
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# Usage: ./scripts/mkramdisk.sh [input_dir] [output_path]
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set -e
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INPUT_DIR="${1:-programs/bin}"
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OUTPUT_PATH="${2:-ramdisk.tar}"
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if [ ! -d "$INPUT_DIR" ]; then
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echo "mkramdisk: input directory '$INPUT_DIR' does not exist, creating empty ramdisk"
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mkdir -p "$INPUT_DIR"
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# Create a placeholder file so the tar isn't completely empty
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echo "MontaukOS ramdisk" > "$INPUT_DIR/readme.txt"
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fi
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# Create USTAR tar archive.
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#
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# -h (dereference) is NOT optional: Fs/Ramdisk.cpp only recognises typeflag
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# '5' (directory), so a symlink entry unpacks as a zero-length regular file --
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# silently, with no error anywhere. A staged tree containing symlinks would
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# ship empty files. Copying the target in is the only faithful representation.
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tar --format=ustar -h -cf "$OUTPUT_PATH" -C "$INPUT_DIR" .
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if tar -tvf "$OUTPUT_PATH" | grep -q '^l'; then
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echo "mkramdisk: ERROR: symlink survived into $OUTPUT_PATH (would unpack as an empty file)" >&2
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tar -tvf "$OUTPUT_PATH" | grep '^l' >&2
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exit 1
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fi
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echo "mkramdisk: created $OUTPUT_PATH from $INPUT_DIR ($(wc -c < "$OUTPUT_PATH") bytes)"
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