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The release notes document the change in behavior, I don't include it
here so there is no risk to it getting out of sync.
> Motivation
>> Plumbing CLI should be simple
Store derivation installations are intended as "plumbing": very simple
utilities for advanced users and scripts, and not what regular users
interact with. (Similarly, regular Git users will use branch and tag
names not explicit hashes for most things.)
The plumbing CLI should prize simplicity over convenience; that is its
raison d'etre. If the user provides a path, we should treat it the same
way not caring what sort of path it is.
>> Scripting
This is especially important for the scripting use-case. when arbitrary
paths are sent to e.g. `nix copy` and the script author wants consistent
behavior regardless of what those store paths are. Otherwise the script
author needs to be careful to filter out `.drv` ones, and then run `nix
copy` again with those paths and `--derivation`. That is not good!
>> Surprisingly low impact
Only two lines in the tests need changing, showing that the impact of
this is pretty light.
Many command, like `nix log` will continue to work with just the
derivation passed as before. This because we used to:
- Special case the drv path and replace it with it's outputs (what this
gets rid of).
- Turn those output path *back* into the original drv path.
Now we just skip that entire round trip!
> Context
Issue #7261 lays out a broader vision for getting rid of `--derivation`,
and has this as one of its dependencies. But we can do this with or
without that.
`Installable::toDerivations` is changed to handle the case of a
`DerivedPath::Opaque` ending in `.drv`, which is new: it simply doesn't
need to do any extra work in that case. On this basis, commands like
`nix {show-derivation,log} /nix/store/...-foo.drv` still work as before,
as described above.
When testing older daemons, the post-build-hook will be run against the
old CLI, so we need the old version of the post-build-hook to support
that use-case.
Co-authored-by: Travis A. Everett <travis.a.everett@gmail.com>
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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Resolves #7437 for new `nix-store` by adding a `--stdin` flag.
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Turns out that the settings themselves have a bad data model anyway, so we cut that. They do still occur in the first example, but not in focus.
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Thanks Valentin!
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The reference documentation already implies the correct semantics.
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doc/hacking.md: Corrections and additions for cross
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- `nixpkgsFor` does all of native, static, cross, and the different stdenvs.
- The main Nix derivation is no longer duplicated for static.
- DRY nixpkgs.lib and lib.genAttrs calls.
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Improve hacking.md and add clangd+bear to devshell
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Fix foreign key error inserting into NARs #3898
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- Refer to current version in readme
- Split into flakes and non-flakes section
- Change order to move nix-build to the end, since people often start
with it in the beginning.
- Use proper "Note" syntax
- Add notes about editor integration
- Move information about target platforms and stdenvs into separate
sections
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
Co-authored-by: Alexander Bantyev <alexander.bantyev@tweag.io>
Co-authored-by: Théophane Hufschmitt <theophane.hufschmitt@tweag.io>
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Follow XDG Base Directory standard
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XDG Base Directory is a standard for locations for storing various
files. Nix has a few files which seem to fit in the standard, but
currently use a custom location directly in the user's ~, polluting
it:
- ~/.nix-profile
- ~/.nix-defexpr
- ~/.nix-channels
This commit adds a config option (use-xdg-base-directories) to follow
the XDG spec and instead use the following locations:
- $XDG_STATE_HOME/nix/profile
- $XDG_STATE_HOME/nix/defexpr
- $XDG_STATE_HOME/nix/channels
If $XDG_STATE_HOME is not set, it is assumed to be ~/.local/state.
Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
Co-authored-by: Tim Fenney <kodekata@gmail.com>
Co-authored-by: pasqui23 <pasqui23@users.noreply.github.com>
Co-authored-by: Artturin <Artturin@artturin.com>
Co-authored-by: John Ericson <Ericson2314@Yahoo.com>
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Fix minor syntax issue in one of the examples.
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disallow selecting shell prompt in code samples
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Attribute set expressions need to end with a ;
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docs: Fix small formatting errors
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These were accidentally logged and do not need to appear in make's
log output.
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Use a pipe for all install commands
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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This is a workaround for
[mdBook#2000](https://github.com/rust-lang/mdBook/issues/2000)
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fix documentation for `clang11Stdenv` dev shell
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Co-authored-by: John Ericson <git@JohnEricson.me>
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`clang11StdenvPackages` does not exist
```
│ └───x86_64-linux
│ ├───ccacheStdenv: development environment 'nix'
│ ├───clang11Stdenv: development environment 'nix'
│ ├───clangStdenv: development environment 'nix'
│ ├───default: development environment 'nix'
│ ├───gccStdenv: development environment 'nix'
│ ├───libcxxStdenv: development environment 'nix'
│ └───stdenv: development environment 'nix'
```
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Expand installation.md
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manual: Document that the store timestamp is now 1, not 0
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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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Slightly butchered during the merge
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Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
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It is just the new CLI that gets the `^` syntax. The old CLI already has
a (slightly different) `!` syntax.
Fixes #7682
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Read file type
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Property tests are great!
Co-authored-by: Cole Helbling <cole.e.helbling@outlook.com>
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Coerce strings fixups
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