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https://github.com/urbit/shrub.git
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36 lines
622 B
Bash
Executable File
36 lines
622 B
Bash
Executable File
source $stdenv/setup
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set -e
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if ! [ -f "$IVORY" ]; then
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echo "$IVORY doesn't exist"
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exit 1
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fi
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#
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# heuristics to confirm the ivory pill is valid
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#
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# first 7 bytes != "version" (start of an lfs pointer)
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#
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if [ "$(cat "$IVORY" | head -c 7)" = "version" ]; then
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echo "$IVORY is an LFS pointer (it starts with 'version')"
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echo "to fix, run: git lfs install"
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exit 1
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fi
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# greater than 10KB
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#
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if ! [ $(du -k "$IVORY" | cut -f1) -gt 10 ]; then
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echo "$IVORY is less than 10KB"
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exit 1
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fi
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cat $IVORY > u3_Ivory.pill
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xxd -i u3_Ivory.pill > ivory.h
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mkdir -p $out/include
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mv ivory.h $out/include
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rm u3_Ivory.pill
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