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https://github.com/privatevoid-net/nix-super.git
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159b5815b5
To quote Eelco in #5867: > Unfortunately we can't do > > evalSettings.pureEval.setDefault(false); > > because then we have to do the same in main.cc (where > pureEval is set to true), and that would allow pure-eval > to be disabled globally from nix.conf. Instead, a command should specify that it should be impure by default. Then, `evalSettings.pureEval` will be set to `false;` unless it's overridden by e.g. a CLI flag. In that case it's IMHO OK to be (theoretically) able to override `pure-eval` via `nix.conf` because it doesn't have an effect on commands where `forceImpureByDefault` returns `false` (i.e. everything where pure eval actually matters). Closes #5867
78 lines
2.2 KiB
Bash
78 lines
2.2 KiB
Bash
source common.sh
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testDir="$PWD"
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cd "$TEST_ROOT"
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replCmds="
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simple = 1
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simple = import $testDir/simple.nix
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:bl simple
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:log simple
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"
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replFailingCmds="
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failing = import $testDir/simple-failing.nix
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:b failing
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:log failing
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"
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replUndefinedVariable="
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import $testDir/undefined-variable.nix
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"
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testRepl () {
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local nixArgs=("$@")
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rm -rf repl-result-out || true # cleanup from other runs backed by a foreign nix store
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local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replCmds")"
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echo "$replOutput"
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local outPath=$(echo "$replOutput" |&
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grep -o -E "$NIX_STORE_DIR/\w*-simple")
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nix path-info "${nixArgs[@]}" "$outPath"
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[ "$(realpath ./repl-result-out)" == "$outPath" ] || fail "nix repl :bl doesn't make a symlink"
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# run it again without checking the output to ensure the previously created symlink gets overwritten
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nix repl "${nixArgs[@]}" <<< "$replCmds" || fail "nix repl does not work twice with the same inputs"
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# simple.nix prints a PATH during build
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echo "$replOutput" | grep -qs 'PATH=' || fail "nix repl :log doesn't output logs"
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local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replFailingCmds" 2>&1)"
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echo "$replOutput"
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echo "$replOutput" | grep -qs 'This should fail' \
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|| fail "nix repl :log doesn't output logs for a failed derivation"
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local replOutput="$(nix repl --show-trace "${nixArgs[@]}" <<< "$replUndefinedVariable" 2>&1)"
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echo "$replOutput"
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echo "$replOutput" | grep -qs "while evaluating the file" \
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|| fail "nix repl --show-trace doesn't show the trace"
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nix repl "${nixArgs[@]}" --option pure-eval true 2>&1 <<< "builtins.currentSystem" \
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| grep "attribute 'currentSystem' missing"
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nix repl "${nixArgs[@]}" 2>&1 <<< "builtins.currentSystem" \
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| grep "$(nix-instantiate --eval -E 'builtins.currentSystem')"
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}
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# Simple test, try building a drv
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testRepl
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# Same thing (kind-of), but with a remote store.
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testRepl --store "$TEST_ROOT/store?real=$NIX_STORE_DIR"
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testReplResponse () {
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local response="$(nix repl <<< "$1")"
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echo "$response" | grep -qs "$2" \
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|| fail "repl command set:
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$1
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does not respond with:
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$2
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but with:
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$response"
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}
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# :a uses the newest version of a symbol
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testReplResponse '
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:a { a = "1"; }
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:a { a = "2"; }
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"result: ${a}"
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' "result: 2"
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