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2022-02-25Remove std::string alias (for real this time)Eelco Dolstra
Also use std::string_view in a few more places.
2021-11-23"recursive-nix" system feature only with experimental featureJohn Ericson
2021-10-26Make experimental-features a proper typeregnat
Rather than having them plain strings scattered through the whole codebase, create an enum containing all the known experimental features. This means that - Nix can now `warn` when an unkwown experimental feature is passed (making it much nicer to spot typos and spot deprecated features) - It’s now easy to remove a feature altogether (once the feature isn’t experimental anymore or is dropped) by just removing the field for the enum and letting the compiler point us to all the now invalid usages of it.
2021-10-15Add another path where a Rosetta 2 configuration file is possibly locatedyvt
2021-09-14Advise using --extra-experimental-features instead of --experimental-featuresEelco Dolstra
Fixes #3737.
2021-03-26Fix some typosEelco Dolstra
Fixes #4671.
2021-02-25Don't crash when copying realisations to a non-ca remoteregnat
Rather throw a proper exception, and catch&log it on the client side
2021-02-24Initialize plugins after handling initial command line flagsShea Levy
This is technically a breaking change, since attempting to set plugin files after the first non-flag argument will now throw an error. This is acceptable given the relative lack of stability in a plugin interface and the need to tie the knot somewhere once plugins can actually define new subcommands.
2021-02-24Bail if plugin-files is set after plugins have been loaded.Shea Levy
We know the flag will be ignored but the user wants it to take effect.
2021-02-22Add x86_64 compute levels as additional system typesDaniël de Kok
When performing distributed builds of machine learning packages, it would be nice if builders without the required SIMD instructions can be excluded as build nodes. Since x86_64 has accumulated a large number of different instruction set extensions, listing all possible extensions would be unwieldy. AMD, Intel, Red Hat, and SUSE have recently defined four different microarchitecture levels that are now part of the x86-64 psABI supplement and will be used in glibc 2.33: https://gitlab.com/x86-psABIs/x86-64-ABI https://lwn.net/Articles/844831/ This change uses libcpuid to detect CPU features and then uses them to add the supported x86_64 levels to the additional system types. For example on a Ryzen 3700X: $ ~/aps/bin/nix -vv --version | grep "Additional system" Additional system types: i686-linux, x86_64-v1-linux, x86_64-v2-linux, x86_64-v3-linux
2021-01-08string2Int(): Return std::optionalEelco Dolstra
2020-12-04Use com.apple.oahd.plist for rosetta 2 detectionMatthew Bauer
2020-12-03Add extraPlatforms for Rosetta 2 macOSMatthew Bauer
macOS systems with ARM64 can utilize a translation layer at /Library/Apple/usr/libexec/oah to run x86_64 binaries. This change makes Nix recognize that and it to "extra-platforms". Note that there are two cases here since Nix could be built for either x86_64 or aarch64. In either case, we can switch to the other architecture. Unfortunately there is not a good way to prevent aarch64 binaries from being run in x86_64 contexts or vice versa - programs can always execute programs for the other architecture.
2020-10-29Generalize extra-* settingsEelco Dolstra
This removes the extra-substituters and extra-sandbox-paths settings and instead makes every array setting extensible by setting "extra-<name> = <value>" in the configuration file or passing "--<name> <value>" on the command line.
2020-10-21Add NIX_CONFIG env var for applying nix.conf overridesChristian Kampka
2020-10-06Remove static variable name clashesEelco Dolstra
This was useful for an experiment with building Nix as a single compilation unit. It's not very useful otherwise but also doesn't hurt...
2020-09-22Merge pull request #4038 from maljub01/masterEelco Dolstra
Add a nix.conf option for allowing a symlinked store
2020-09-21Serialize SandboxMode enum to string for JSONCole Helbling
Rather than showing an integer as the default, instead show the boolean referenced in the description. The nix.conf.5 manpage used to show "default: 0", which is unnecessarily opaque and confusing (doesn't 0 mean false, even though the default is true?); now it properly shows that the default is true.
2020-09-21abstractsettingtojson.hh -> abstract-setting-to-json.hhEelco Dolstra
2020-09-21Don't include nlohmann/json.hpp in globals.hhEelco Dolstra
This reduces compilation time by 207s. Issue #4045.
2020-09-21Update the variable name accordinglyMarwan Aljubeh
2020-09-18Add a nix.conf option for allowing a symlinked storeMarwan Aljubeh
2020-09-16Complete the `toJSON` instance for `Setting<T>`regnat
Don't let it just contain the value, but also the other fields of the setting (description, aliases, etc..)
2020-08-20Config: Use nlohmann/jsonEelco Dolstra
2020-07-03Shorten the path to the test rootregnat
Fix a socket length failure on the OSX builders
2020-05-12Show hint how to enable experimental featuresEelco Dolstra
2020-05-04Flag: Use designated initializersEelco Dolstra
2020-04-14add NIX_USER_CONF_FILESzimbatm
Motivation: maintain project-level configuration files. Document the whole situation a bit better so that it corresponds to the implementation, and add NIX_USER_CONF_FILES that allows overriding which user files Nix will load during startup.
2020-03-20sandbox: fix /bin/sh on catalinaDaiderd Jordan
Sadly 10.15 changed /bin/sh to a shim which executes bash, this means it can't be used anymore without also opening up the sandbox to allow bash. Failed to exec /bin/bash as variant for /bin/sh (1: Operation not permitted).
2020-03-20libstore: relax default sandbox-paths on darwinDaiderd Jordan
2020-01-13unbreak build without pchJohn Ericson
2019-12-21Disable use-sqlite-wal under WSLBrian McKenna
Before: $ nix-channel --update unpacking channels... warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL) warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL) warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL) warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL) warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL) After: $ inst/bin/nix-channel --update unpacking channels... created 1 symlinks in user environment I've seen complaints that "sandbox" caused problems under WSL but I'm having no problems. I think recent changes could have fixed the issue.
2019-12-17Add priority setting to storesEelco Dolstra
This allows overriding the priority of substituters, e.g. $ nix-store --store ~/my-nix/ -r /nix/store/df3m4da96d84ljzxx4mygfshm1p0r2n3-geeqie-1.4 \ --substituters 'http://cache.nixos.org?priority=100 daemon?priority=10' Fixes #3264.
2019-12-02Merge remote-tracking branch 'origin/recursive-nix'Eelco Dolstra
2019-11-26Add feature to disable URL literalsEelco Dolstra
E.g. $ nix-build '<nixpkgs>' -A hello --experimental-features no-url-literals error: URL literals are disabled, at /nix/store/vsjamkzh15r3c779q2711az826hqgvzr-nixpkgs-20.03pre194957.bef773ed53f/nixpkgs/pkgs/top-level/all-packages.nix:1236:11 Helps with implementing https://github.com/NixOS/rfcs/pull/45.
2019-11-22getEnv(): Return std::optionalEelco Dolstra
This allows distinguishing between an empty value and no value.
2019-11-06Enable recursive Nix using a featureEelco Dolstra
Derivations that want to use recursion should now set requiredSystemFeatures = [ "recursive-nix" ]; to make the daemon socket appear. Also, Nix should be configured with "experimental-features = recursive-nix".
2019-10-21Add experimental-features settingEelco Dolstra
Experimental features are now opt-in. There is currently one experimental feature: "nix-command" (which enables the "nix" command. This will allow us to merge experimental features more quickly, without committing to supporting them indefinitely. Typical usage: $ nix build --experimental-features 'nix-command flakes' nixpkgs#hello (cherry picked from commit 8e478c234100cf03ea1b777d4bd42a9be7be9e8c, without the "flakes" feature)
2018-10-31config: use all of XDG_CONFIG_DIRSLinus Heckemann
Previously, config would only be read from XDG_CONFIG_HOME. This change allows reading config from additional directories, which enables e.g. per-project binary caches or chroot stores with the help of direnv.
2018-09-28Check requiredSystemFeatures for local buildsEelco Dolstra
For example, this prevents a "kvm" build on machines that don't have KVM. Fixes #2012.
2018-05-30Modularize config settingsEelco Dolstra
Allow global config settings to be defined in multiple Config classes. For example, this means that libutil can have settings and evaluator settings can be moved out of libstore. The Config classes are registered in a new GlobalConfig class to which config files etc. are applied. Relevant to https://github.com/NixOS/nix/issues/2009 in that it removes the need for ad hoc handling of useCaseHack, which was the underlying cause of that issue.
2018-04-11initPlugins: Fix dlopen error message.Shea Levy
2018-02-19Merge branch 'register-settings' of https://github.com/shlevy/nixEelco Dolstra
2018-02-15Set backup MANPATH in case man path isn’t set correctly.Matthew Bauer
Previously, this would fail at startup for non-NixOS installs: nix-env --help The fix for this is to just use "nixManDir" as the value for MANPATH when spawning "man". To test this, I’m using the following: $ nix-build release.nix -A build $ MANPATH= ./result/bin/nix-env --help Fixes #1627
2018-02-13Allow plugins to define new settings.Shea Levy
2018-02-13Enable specifying directories in plugin-files.Shea Levy
2018-02-08Add plugins to make Nix more extensible.Shea Levy
All plugins in plugin-files will be dlopened, allowing them to statically construct instances of the various Register* types Nix supports.
2017-11-21Propagate flags like --sandbox to the daemon properlyEelco Dolstra
2017-10-24nix: Respect -I, --arg, --argstrEelco Dolstra
Also, random cleanup to argument handling.
2017-10-24Remove the builder-files optionEelco Dolstra
You can now include files via the "builders" option, using the syntax "@<filename>". Having only one option makes it easier to override builders completely. For backward compatibility, the default is "@/etc/nix/machines", or "@<filename>" for each file name in NIX_REMOTE_SYSTEMS.
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