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25 lines
704 B
Bash
25 lines
704 B
Bash
source common.sh
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# Instantiate.
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drvPath=$($nixinstantiate substitutes2.nix)
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echo "derivation is $drvPath"
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# Find the output path.
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outPath=$($nixstore -qvvvvv "$drvPath")
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echo "output path is $outPath"
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regSub() {
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(echo $1 && echo "" && echo $2 && echo 3 && echo $outPath && echo Hallo && echo Wereld && echo 0) | $nixstore --register-substitutes
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}
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# Register a substitute for the output path.
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regSub $outPath $(pwd)/substituter.sh
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# Register another substitute for the output path. This one takes
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# precedence over the previous one. It will fail.
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regSub $outPath $(pwd)/substituter2.sh
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$nixstore -rvv "$drvPath"
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text=$(cat "$outPath"/hello)
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if test "$text" != "Hallo Wereld"; then exit 1; fi
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