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This gets us ready for dynamic derivation dependencies (part of RFC 92).
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use consistent wording everywhere.
add some details on the configuration option documentation.
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They were improperly added in 8a93b5a55184d9d34effdd94d58429c9ad1a3d14.
They were not `.gitignore`d because they were stale in that commit --
build artifacts no longer used that name by then and so `.gitignore` was
updated accordingly.
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Document user files of nix
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Derivations can output "text-hashed" data
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I suppose we can use `dynamic-derivations` for the few things we neeed.
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Experimentally allow forcing `nix-daemon` trust; use this to test
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We finally test the status quo of remote build trust in a number of
ways. We create a new experimental feature on `nix-daemon` to do so.
PR #3921, which improves the situation with trustless remote building,
will build upon these changes. This code / tests was pull out of there
to make this, so everything is easier to review, and in particular we
test before and after so the new behavior in that PR is readily apparent
from the testsuite diff alone.
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Issues:
1. Features gated on disabled experimental settings should warn and be
ignored, not silently succeed.
2. Experimental settings in the same config "batch" (file or env var)
as the enabling of the experimental feature should work.
3. For (2), the order should not matter.
These are analogous to the issues @roberth caught with my changes for
arg handling, but they are instead for config handling.
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
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Make `initLibStore` a viable alternative
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Fix #8162
The test is changed to compare `nlohmann::json` values, not strings of dumped
JSON, which allows us to format things more nicely.
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Rename and protect `BufferedSink::write`
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This is somewhat hacky fix just for 2.15. I unintentionally hid them
from the manual, when no one wanted to hide them that (including
myself). I also required the experimental feature to be enabled in an
order-dependent way, which is not good.
The simplest fix for this immanent release is just to always show them,
and always allow them to be set.
Effectively undoes some changes from aa663b7e89d3d02248d37ee9f68b52770b247018
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Documentation: list experimental features in manual
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disable gc on coroutine
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Versions older this are sufficiently old that we don't want to support
them, and they require extra support code.
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How signals should be handled depends on what kind of process Nix
is integrated into. The signal handler thread used by the stand-alone
Nix commands / processes may not work well in the context of other
runtime systems, such as those of Python, Perl, or Haskell.
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Part of an effort to make it easier to initialize the right things,
by moving code into the appropriate libraries.
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* Finish converting existing comments for internal API docs
99% of this was just reformatting existing comments. Only two exceptions:
- Expanded upon `BuildResult::status` compat note
- Split up file-level `symbol-table.hh` doc comments to get
per-definition docs
Also fixed a few whitespace goofs, turning leading tabs to spaces and
removing trailing spaces.
Picking up from #8133
* Fix two things from comments
* Use triple-backtick not indent for `dumpPath`
* Convert GNU-style `\`..'` quotes to markdown style in API docs
This will render correctly.
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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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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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This introduces the SourcePath type from lazy-trees as an abstraction
for accessing files from inputs that may not be materialized in the
real filesystem (e.g. Git repositories). Currently, however, it's just
a wrapper around CanonPath, so it shouldn't change any behaviour. (On
lazy-trees, SourcePath is a <InputAccessor, CanonPath> tuple.)
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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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Fix current and future `switch` bugs
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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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- 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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`///@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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SSH: don't erase password prompt if it is displayed
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