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It is less important, and used less widely, than `DerivedPath`.
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Further search path cleanups
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libexpr: remove std::move() for `basePath` in parser, it has no effect
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`fetchClosure`: input addressed and pure
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- Better types
- Own header / C++ file pair
- Test factored out methods
- Pass parsed thing around more than strings
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
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We should use `std::optional<std::string>` not `std::pair<bool,
std::string>` for an optional string.
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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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Profile list improvements
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* Document the path flakeref format
Fix https://github.com/NixOS/nix/issues/8482
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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This just dumps the profile manifest to stdout.
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'resolvedRef' was incorrect, since a resolved ref is one after
registry resolution, which may still be unlocked (e.g. 'nixpkgs' ->
'github:NixOS/nixpkgs').
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If we call `adjustLoc`, the global variable `prev_yylloc` is shared
between threads and racy.
Currently, nix itself does not concurrently parsing files, but this is
helpful for libexpr users. (The parser is thread-safe except this.)
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libexpr: extend `Value::print` to allow limited depth
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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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A single variable is nice and self-contained.
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When explicitly requested by the caller, as suggested in the meeting
(https://github.com/NixOS/nix/pull/8090#issuecomment-1531139324)
> @edolstra: { toPath } vs { fromPath } is too implicit
I've opted for the `inputAddressed = true` requirement, because it
we did not agree on renaming the path attributes.
> @roberth: more explicit
> @edolstra: except for the direction; not immediately clear in which direction the rewriting happens
This is in fact the most explicit syntax and a bit redundant, which is
good, because that redundancy lets us deliver an error message that
reminds expression authors that CA provides a better experience to
their users.
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Fix building derivations in local chroot store on OpenAFS,
where hard linking accross directories causes cross-device link error
(EXDEV).
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Allow to sign path as unprivileged user
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libexpr: fix leaking `es2` in stripIndentation (parser.y)
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User can now sign path as unprivileged/allowed user
refs #1708
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This is done in roughly the same way builtin functions are documented.
Also auto-link experimental features for primops, subsuming PR #8371.
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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* nix flake check: improve error message if overlay is not a lambda
Suppose you have an overlay like this
{
inputs = { /* ... */ };
outputs = { flake-utils, ... }: flake-utils.lib.eachDefaultSystem
(system: {
overlays.default = final: prev: {
};
});
}
then `nix flake check` (correctly) fails because `overlays` are supposed
to have the structure `overlays.<name> = final: prev: exp`. However, the
error-message is a little bit counter-intuitive:
error: overlay does not take an argument named 'final'
While one might guess where the error actually comes from because the
trace above says `… while checking the overlay 'overlays.x86_64-linux'`
this is still pretty confusing because it complains about an argument
not being named `final` even though that's evidently the case.
With this change, the error-message actually makes it clear what's
wrong:
[ma27@carsten:~/Projects/nix/tmp]$ nix flake check --extra-experimental-features 'nix-command flakes' path:$(pwd)
error:
… while checking flake output 'overlays'
at /nix/store/clgblnxx003hyrq8qkz5ab6kgqkck6qc-source/flake.nix:4:5:
3| outputs = { ... }: {
4| overlays.x86_64-linux.snens = final: prev: {
| ^
5| kek = throw "snens";
… while checking the overlay 'overlays.x86_64-linux'
at /nix/store/clgblnxx003hyrq8qkz5ab6kgqkck6qc-source/flake.nix:4:5:
3| outputs = { ... }: {
4| overlays.x86_64-linux.snens = final: prev: {
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5| kek = throw "snens";
error: overlay is not a lambda, but a set instead
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Use a struct not `std::pair` for `SearchPathElem`
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Add `dirtyRev` and `dirtyShortRev` to `fetchGit`
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Fixes #4682
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I got very confused trying to keep all the `first` and `second` straight
reading the code, *especially* as there is also another `(boolean,
string)` pair type also being used.
Named fields is much better.
There are other cleanups that we can do (for example, the existing
TODO), but we can do them later. Doing them now would just make this
harder to review.
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reword documentation on trusted users and substituters
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libexpr: remove unused token `ATTRPATH` in token declaration
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- Improved API docs from comment
- Exit codes are for `nix-build`, not just `nix-store --release`
- Make note in tests so the magic numbers are not surprising
Picking up where #8387 left off.
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Split `OptionalPathSetting` from `PathSetting`
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GC server: Clear O_NONBLOCK on the right file descriptor
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Previously it was not possible to open a local store when its database is on a read-only filesystem. Obviously a store on a read-only filesystem cannot be modified, but it would still be useful to be able to query it.
This change adds a new read-only setting to LocalStore. When set to true, Nix will skip operations that fail when the database is on a read-only filesystem (acquiring big-lock, schema migration, etc), and the store database will be opened in immutable mode.
Co-authored-by: Ben Radford <benradf@users.noreply.github.com>
Co-authored-by: cidkidnix <cidkidnix@protonmail.com>
Co-authored-by: Dylan Green <67574902+cidkidnix@users.noreply.github.com>
Co-authored-by: John Ericson <git@JohnEricson.me>
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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The bug fix in 6d30f9e6fea7d451033653f8f167aef58f7f5347 erroneously
cleared O_NONBLOCK on the server rather than client FD (leaving both
in an incorrect state).
Fixes #8551.
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