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Fix the error when accessing a forbidden path in pure eval

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If we’re in pure eval mode, then tell that in the error message rather
than (wrongly) speaking about restricted mode.

Fix https://github.com/NixOS/nix/issues/5611
This commit is contained in:
regnat 2021-11-25 14:48:01 +01:00
parent 1f7584d24c
commit c47027f3a1
2 changed files with 10 additions and 3 deletions
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5
tests/pure-eval.sh
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@ -6,7 +6,10 @@ nix eval --expr 'assert 1 + 2 == 3; true'
[[ $(nix eval --impure --expr 'builtins.readFile ./pure-eval.sh') =~ clearStore ]]
(! nix eval --expr 'builtins.readFile ./pure-eval.sh')
missingImpureErrorMsg=$(! nix eval --expr 'builtins.readFile ./pure-eval.sh' 2>&1)
echo "$missingImpureErrorMsg" | grep -q -- --impure || \
fail "The error message should mention the “--impure” flag to unblock users"
(! nix eval --expr builtins.currentTime)
(! nix eval --expr builtins.currentSystem)