Qyriad
9523446901
Eval errors will now print a simple, no frills chain of involved
derivations at the bottom. For example, trying to evaluate
`pkgs.xonsh.override { python3 = pkgs.python2; }` has the usual
Package ‘python-2.7.18.8’ in /nix/store/9v6qa656sq3xc58vkxslqy646p0ajj61-source/pkgs/development/interpreters/python/cpython/2.7/default.nix:398 is marked as insecure, refusing to evaluate.
message, but now also includes the following:
note: trace involved the following derivations:
derivation 'xonsh-0.19.9'
derivation 'python2.7-xonsh-0.19.9'
derivation 'python2.7-setuptools-44.0.0'
To give the user information about why the erroring derivation was
involved in the first place.
We would like more structured information in the future, but this should
still be a significant improvement.
Change-Id: Icf6da52abd0a043cfb63943bf0b0c160c21ee59e
76 lines
2.6 KiB
Plaintext
76 lines
2.6 KiB
Plaintext
error:
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… while calling the 'getAttr' builtin
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at «internal»:1:500:
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… while calling the 'derivationStrict' builtin
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at «internal»:1:208:
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… while evaluating derivation 'package-you-care-about'
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whose name attribute is located at /pwd/in.nix:22:5
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at /pwd/in.nix:22:5:
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21| package-you-care-about = derivation {
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22| name = "package-you-care-about";
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| ^
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23| __structuredAttrs = true;
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… while evaluating attribute 'buildInputs' of derivation 'package-you-care-about'
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at /pwd/in.nix:25:5:
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24|
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25| buildInputs = [
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| ^
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26| direct-dependency
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… while evaluating list element at index 0
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… while calling the 'getAttr' builtin
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at «internal»:1:500:
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… while calling the 'derivationStrict' builtin
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at «internal»:1:208:
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… while evaluating derivation 'direct-dependency'
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whose name attribute is located at /pwd/in.nix:15:5
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at /pwd/in.nix:15:5:
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14| direct-dependency = derivation {
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15| name = "direct-dependency";
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| ^
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16| __structuredAttrs = true;
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… while evaluating attribute 'libtrans' of derivation 'direct-dependency'
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at /pwd/in.nix:18:5:
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17|
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18| libtrans = transitive-dependency;
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| ^
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19| };
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… while calling the 'getAttr' builtin
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at «internal»:1:500:
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… while calling the 'derivationStrict' builtin
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at «internal»:1:208:
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… while evaluating derivation 'transitive-dependency'
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whose name attribute is located at /pwd/in.nix:4:5
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at /pwd/in.nix:4:5:
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3| transitive-dependency = mkDerivation {
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4| name = "transitive-dependency";
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| ^
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5| __structuredAttrs = true;
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… while evaluating attribute 'nativeBuildInputs' of derivation 'transitive-dependency'
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at /pwd/in.nix:7:5:
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6|
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7| nativeBuildInputs = [
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| ^
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8| null
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… while evaluating list element at index 1
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… caused by explicit throw
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at /pwd/in.nix:9:8:
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8| null
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9| (throw "transitive dependency growls")
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| ^
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10| ];
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error: transitive dependency growls
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note: trace involved the following derivations:
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derivation 'package-you-care-about'
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derivation 'direct-dependency'
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derivation 'transitive-dependency'
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