16 lines
565 B
Bash
16 lines
565 B
Bash
storeExpr=$($TOP/src/nix-instantiate/nix-instantiate fallback.nix)
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echo "store expr is $storeExpr"
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# Register a non-existant successor (and a nox-existant substitute).
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suc=$NIX_STORE_DIR/deadbeafdeadbeafdeadbeafdeadbeaf-s.store
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(echo $suc && echo $TOP/no-such-program && echo 0) | $TOP/src/nix-store/nix-store --substitute
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$TOP/src/nix-store/nix-store --successor $storeExpr $suc
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outPath=$($TOP/src/nix-store/nix-store -qnf --fallback "$storeExpr")
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echo "output path is $outPath"
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text=$(cat "$outPath"/hello)
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if test "$text" != "Hello World!"; then exit 1; fi
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