23 lines
715 B
Markdown
23 lines
715 B
Markdown
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---
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synopsis: Duplicate attribute reports are more accurate
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# prs: cl 557
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---
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Duplicate attribute errors are now more accurate, showing the path at which an error was detected rather than the full, possibly longer, path that caused the error.
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Error reports are now
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```ShellSession
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$ nix eval --expr '{ a.b = 1; a.b.c.d = 1; }'
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error: attribute 'a.b' already defined at «string»:1:3
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at «string»:1:12:
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1| { a.b = 1; a.b.c.d = 1;
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| ^
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```
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instead of
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```ShellSession
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$ nix eval --expr '{ a.b = 1; a.b.c.d = 1; }'
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error: attribute 'a.b.c.d' already defined at «string»:1:3
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at «string»:1:12:
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1| { a.b = 1; a.b.c.d = 1;
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| ^
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```
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