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With the switch to C++20, the rules became more strict, and we can no
longer initialize base classes. Make them comments instead.
(BTW
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2287r1.html
this offers some new syntax for this use-case. Hopefully this will be
adopted and we can eventually use it.)
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I don't think the `narHash` is in need of documentation more than the
other undocumented fields, but regardless this change has nothing to do
with that field and so we should leave the comment as is.
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`&` without space before is far more common on this codebase than I
thought, so it is not worth changing just this one file. Maybe we will
adopt a formatter someday but until then this is fine.
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Separate `path.hh` from `content-address.hh`
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Delete dead code
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Fix configure.ac rapidcheck tests
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Better error message for nix search when attr is not found
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manual: Document that the store timestamp is now 1, not 0
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nix flake show: Ignore empty attrsets
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Proposal: Use C++20
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For frameworks it's important that structures are as lazy as possible
to prevent infinite recursions, performance issues and errors that
aren't related to the thing to evaluate. As a consequence, they have
to emit more attributes than strictly (sic) necessary.
However, these attributes with empty values are not useful to the user
so we omit them.
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doc: add `__structuredAttrs`, `outputChecks`, `unsafeDiscardReferences`
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Commit 14bc3ce3d6d5745717fa19b8b43b5fdd117ff757 (0.13~43) changed the
timestamps in the Nix store from 0 to 1. Update the nix-store man
page to match.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
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Add more property tests
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- `AC_LANG_PUSH(C++)` is needed for the header check
- The library check is hopeless (without lots of third-party macros I
don't feel like getting) because name mangling
Pkg-config would make all this easier. I previously opened
https://github.com/emil-e/rapidcheck/issues/302, I should write a PR
too.
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The references set seems to have been unused since `LegacySSHStore`
references were first created in
caa5793b4a74049ee37dd88eb1c5b785456ce40d.
The method decls never were upstream, and accidentally added by me in
062533f7cdb74026096ca8c7d5b6e393893d59ef (probably due to `git rerere`).
Sorry!
This reduces the diff from #3746.
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No other getDefaultFlakeAttrPaths implementation has this trailing dot,
and the dot can show up in error messages like:
error: flake '...' does not provide attribute 'packages.x86_64-linux.', ...
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- Clarify doc comments, Installables::getCursors returns non-empty
vector
- Use vector::at in Installable::getCursor instead of checking for empty
vector and throwing an exception with error message.
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Handle the case where none of getActualAttrPaths() actually exists,
in which case instead of returning an empty vector.
This fixes the case where the user misspells the attribute name in nix
search. Instead of getting no search results, now it shows an error with
suggestions.
Also remove InstallableFlake::getCursor() override since it's now
equivalent to the base class version.
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This is a nice idea that @roberth requested. If we could factor our a
generic `std::variant` impl as a follow-up it would be even better!
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It is good to separate concerns; `StorePath` (in general) has nothing to
do with `ContentAddress` anyways.
This reduces the diff from #3746.
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Avoid some `StorePath` <-> `Path` round trips
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Stuff crept in there.
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Avoid needless work and throwing away invariants.
These conversions date back to when `StorePath` was in Rust and there
were issues with it missing utility methods.
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Move the default profiles to the user’s home
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nix flake show: don't evaluate derivations for foreign systems by default
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Things leading to another...
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Self-contained outputs
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Don't hardcode “x86_64-linux” as this won't work too nicely on other
platforms
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typetetris/fix-url-parsing-file-as-application-scheme
Fix url parsing for urls using `file+`
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Slightly butchered during the merge
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getDefaultNixPath: actually respect `{restrict,pure}-eval`
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Also put proper comparison methods on `DerivedPath` and
`NixStringContextElem`, which is needed for the tests but good in
general.
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This allows using Arbitrary "instances" defined in libstore-tests in
libexpr-tests, something we will leverage in a moment.
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Logic modeled after that for libraries.
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Move nixos tests
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Previously, getDefaultNixPath was called too early: at initialisation
time, before CLI and config have been processed, when `restrictEval` and
`pureEval` both have their default value `false`. Call it when
initialising the EvalState instead, and use `setDefault`.
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Improve warning when an untrusted user is using an untrusted substituter
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Co-authored-by: Théophane Hufschmitt <theophane.hufschmitt@tweag.io>
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