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libutil/args: warn on unknown settings after parsing all flags

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This commit is contained in:
Cole Helbling 2024-05-14 12:13:40 -07:00
parent 06e13465c5
commit 39a269657e
2 changed files with 29 additions and 8 deletions
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28
doc/manual/rl-next/fix-silent-unknown-options Normal file
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---
synopsis: Warn on unknown settings anywhere in the command line
prs: 10701
---
All `nix` commands will now properly warn when an unknown option is specified anywhere in the command line.
Before:
```console
$ nix-instantiate --option foobar baz --expr '{}'
warning: unknown setting 'foobar'
$ nix-instantiate '{}' --option foobar baz --expr
$ nix eval --expr '{}' --option foobar baz
{ }
```
After:
```console
$ nix-instantiate --option foobar baz --expr '{}'
warning: unknown setting 'foobar'
$ nix-instantiate '{}' --option foobar baz --expr
warning: unknown setting 'foobar'
$ nix eval --expr '{}' --option foobar baz
warning: unknown setting 'foobar'
{ }
```