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Also refine `nix derivation show`'s docs very slightly.
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This will match the files we added for `nix add derivation` in the rest
of this PR.
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Make it instead a method on `Derivation` that can work with any store.
We will need this for a CLI command to create a derivation.
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This is non-breaking change in the to-JSON direction. This *is* a
breaking change in the from-JSON direction, but we don't care, as that
is brand new in this PR.
`nix show-derivation --help` currently has the sole public documentation
of this format, it is updated accordingly.
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And test, of course
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The `write` name is ambiguous and could lead to some funny bugs like
https://github.com/NixOS/nix/pull/8173#issuecomment-1500009480. So
rename it to the more explicit `writeUnbuffered`.
Besides, this method shouldn't be (and isn't) used outside of the class
implementation, so mark it `protected`.
This makes it more symetrical to `BufferedSource` which uses a
`protected readUnbuffered` method.
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This function returns true or false depending on whether the Nix client
is trusted or not. Mostly relevant when speaking to a remote store with
a daemon.
We include this information in `nix ping store` and `nix doctor`
Co-Authored-By: John Ericson <John.Ericson@Obsidian.Systems>
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They are put in the manual separate pages under the new overarching
description of experimental features.
The settings page just lists the valid experimental feature names (so
people know what a valid setting entry looks like), with links to those
pages. It doesn't attempt to describe each experimental feature as that
is too much information for the configuration settings section.
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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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Adds examples and additional information to the `impure-derivations`,
`recursive-nix`, and `no-url-literals` experimental feature
documentation.
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It should be syntethised in terms of `operator==`, but the GCC version
used on aarch64-linux doesn't implement that (see
https://hydra.nixos.org/build/214848896=. So explicitely define it.
Fix https://github.com/NixOS/nix/issues/8159
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Instead of constructing a markdown list in C++ (which involved all sorts
of nasty string literals), export some JSON and assemble it with the
manual build system.
Besides following the precedent set with other dumped data, this is a
better separate of content and presentation; if we decide for example we
want to display this information in a different way, or in a different
section of the manual, it will become much easier to do so.
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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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NixRepl::mainLoop: restore old curRepl on function exit
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Fix current and future `switch` bugs
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Allow specifying alternative paths for reading/writing flake locks
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switch statements must now match all enum values or disable the
warning.
Explicit is good. This has helped us find two bugs, after solving
another one by debugging.
From now on, adding to an enum will raise errors where they are
not explicitly handled, which is good for productivity, and helps
us decide the correct behavior in all usages.
Notably still excluded from this though are the cases where the
warning is disabled by local pragmas.
fromTOML.cc did not build despite a top-level pragma, so I've had
to resort to a makefile solution for that.
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Prior to this, there was an ad-hoc whitelist in `main.cc`. Now, every
command states its stability.
In a future PR, we will adjust the manual to take advantage of this new
information in the JSON.
(It will be easier to do that once we have some experimental feature
docs to link too; see #5930 and #7798.)
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hercules-ci/fix-issue-8119-printValue-tBlackhole-abort
eval: Fix crash on missing printValue tBlackhole case
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Move `querySubstitutablePathInfos` from `LocalStore` to `Store`
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Fixes #8119
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Punt on improper global flags for now
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The code is not local-store-specific, so we should share it with all
stores. More uniform behavior is better, and a less store-specific
functionality is more maintainable.
This fixes a FIXME added in f73d911628 by @edolstra himself.
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- Use struct not `std::pair`, designated initializers
- Use `constexpr` array that we can index by enum tag
- It no longer segfaults; not sure why.
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bjornfor/use-nix-store-l-unless-experimental-enabled
Don't recommend 'nix log' unless experimental feature is enabled
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`///@file` makes them show up in the internal API dos. A tiny few were
missing `#pragma once`.
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Picking up from #8111.
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
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Document `gitlab` input scheme
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SSH: don't erase password prompt if it is displayed
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We weren't because this ancient PR predated it!
This is actually a new version of the pattern which addresses some
issues identified in #7479.
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Also improve content-address.hh API docs.
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