mirror of
https://github.com/diddlesnaps/makemkv.git
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27 lines
1.0 KiB
Bash
Executable File
27 lines
1.0 KiB
Bash
Executable File
#!/bin/sh -e
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# save the original LD_LIBRARY_PATH, and unset it to check the cache
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ORIGINAL_LD_LIBRARY_PATH="$LD_LIBRARY_PATH"
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export LD_LIBRARY_PATH=""
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# FINAL_BINARY should be set and exported to what the "real" final executable
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# that's run is so we can check that
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# an alternative would be to always run the "real" final executable immediately
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# after this script in the chain, and then check "$1" here, but that is probably
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# fragile
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if [ -z "$FINAL_BINARY" ]; then
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echo "FINAL_BINARY unset, can't check the dynamic linker cache for correctness"
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else
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# this is a bit tricky, we want to exit 0 if we didn't find a library, but
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# exit 1 if we didn't _not_ find a library, so use the output phrase
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# "=> not found" as what to look for from ldd
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# TODO: make this less of a hack?
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if ldd "$FINAL_BINARY" | grep "=> not found" | grep -q "=> not found"; then
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# regenerate the cache first
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export LD_LIBRARY_PATH="$ORIGINAL_LD_LIBRARY_PATH"
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fi
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fi
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# execute the next command in the chain
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exec "$@"
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