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73 lines
3.1 KiB
Bash
Executable file
73 lines
3.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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source common.sh
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requireDaemonNewerThan "2.8pre20220311"
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TODO_NixOS
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enableFeatures "ca-derivations impure-derivations"
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restartDaemon
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clearStoreIfPossible
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# Basic test of impure derivations: building one a second time should not use the previous result.
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printf 0 > "$TEST_ROOT"/counter
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# `nix derivation add` with impure derivations work
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drvPath=$(nix-instantiate ./impure-derivations.nix -A impure)
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nix derivation show "$drvPath" | jq .[] > "$TEST_HOME"/impure-drv.json
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drvPath2=$(nix derivation add < "$TEST_HOME"/impure-drv.json)
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[[ "$drvPath" = "$drvPath2" ]]
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# But only with the experimental feature!
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expectStderr 1 nix derivation add < "$TEST_HOME"/impure-drv.json --experimental-features nix-command | grepQuiet "experimental Nix feature 'impure-derivations' is disabled"
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nix build --dry-run --json --file ./impure-derivations.nix impure.all
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json=$(nix build -L --no-link --json --file ./impure-derivations.nix impure.all)
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path1=$(echo "$json" | jq -r .[].outputs.out)
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path1_stuff=$(echo "$json" | jq -r .[].outputs.stuff)
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[[ $(< "$path1"/n) = 0 ]]
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[[ $(< "$path1_stuff"/bla) = 0 ]]
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[[ $(nix path-info --json "$path1" | jq .[].ca) =~ fixed:r:sha256: ]]
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path2=$(nix build -L --no-link --json --file ./impure-derivations.nix impure | jq -r .[].outputs.out)
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[[ $(< "$path2"/n) = 1 ]]
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# Test impure derivations that depend on impure derivations.
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path3=$(nix build -L --no-link --json --file ./impure-derivations.nix impureOnImpure | jq -r .[].outputs.out)
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[[ $(< "$path3"/n) = X2 ]]
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path4=$(nix build -L --no-link --json --file ./impure-derivations.nix impureOnImpure | jq -r .[].outputs.out)
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[[ $(< "$path4"/n) = X3 ]]
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# Test that (self-)references work.
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[[ $(< "$path4"/symlink/bla) = 3 ]]
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[[ $(< "$path4"/self/n) = X3 ]]
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# Input-addressed derivations cannot depend on impure derivations directly.
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(! nix build -L --no-link --json --file ./impure-derivations.nix inputAddressed 2>&1) | grep 'depends on impure derivation'
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drvPath=$(nix eval --json --file ./impure-derivations.nix impure.drvPath | jq -r .)
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[[ $(nix derivation show "$drvPath" | jq ".[\"$(basename "$drvPath")\"].outputs.out.impure") = true ]]
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[[ $(nix derivation show "$drvPath" | jq ".[\"$(basename "$drvPath")\"].outputs.stuff.impure") = true ]]
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# Fixed-output derivations *can* depend on impure derivations.
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path5=$(nix build -L --no-link --json --file ./impure-derivations.nix contentAddressed | jq -r .[].outputs.out)
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[[ $(< "$path5") = X ]]
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[[ $(< "$TEST_ROOT"/counter) = 5 ]]
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# And they should not be rebuilt.
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path5=$(nix build -L --no-link --json --file ./impure-derivations.nix contentAddressed | jq -r .[].outputs.out)
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[[ $(< "$path5") = X ]]
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[[ $(< "$TEST_ROOT"/counter) = 5 ]]
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# Input-addressed derivations can depend on fixed-output derivations that depend on impure derivations.
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path6=$(nix build -L --no-link --json --file ./impure-derivations.nix inputAddressedAfterCA | jq -r .[].outputs.out)
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[[ $(< "$path6") = X ]]
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[[ $(< "$TEST_ROOT"/counter) = 5 ]]
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# Test nix/fetchurl.nix.
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path7=$(nix build -L --no-link --print-out-paths --expr "import <nix/fetchurl.nix> { impure = true; url = file://$PWD/impure-derivations.sh; }")
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cmp "$path7" "$PWD"/impure-derivations.sh
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