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2024-05-29util.hh: Delete remaining file and clean up headersTom Hubrecht
Change-Id: Ic1f68e6af658e94ef7922841dd3ad4c69551ef56
2024-05-29util.{hh,cc}: Split out strings.{hh,cc}Tom Hubrecht
Change-Id: I4f642d1046d56b5db26f1b0296ee16a0e02d444a
2024-05-29util.{hh,cc}: Split out file-system.{hh,cc}Tom Hubrecht
Change-Id: Ifa89a529e7e34e7291eca87d802d2f569cf2493e
2024-04-07Add `PathsSetting`Rebecca Turner
Change-Id: I1165f6ef033a5f757ca3716d3f8008ba36b01fd0
2024-03-17Delete hasPrefix and hasSuffix from the codebaseJade Lovelace
These now have equivalents in the standard lib in C++20. This change was performed with a custom clang-tidy check which I will submit later. Executed like so: ninja -C build && run-clang-tidy -checks='-*,nix-*' -load=build/libnix-clang-tidy.so -p .. -fix ../tests | tee -a clang-tidy-result Change-Id: I62679e315ff9e7ce72a40b91b79c3e9fc01b27e9
2024-03-04Merge pull request #9233 from bouk/bouk/apply-config-innereldritch horrors
config: add included files into parsedContents before applying (cherry picked from commit 82359eba6b692691ef08a71196ef25a61bc4d3d3) Change-Id: Idde3177010fec7b8bafe6088c3c23d5caf491845
2024-03-04Merge pull request #9299 from tfc/config-improvementseldritch horrors
Improvements in src/libutil/config.* (cherry picked from commit dea63bb81078d7290410544285c6df1a8e002952) Change-Id: I8090eb2ad393dd9964cf2d5254ec8c796b1bd367
2024-03-04Merge pull request #9191 from tfc/libutil-implementationeldritch horrors
libutil: Small improvements (cherry picked from commit edc07588ecd5053da57c2ab6c2543abf49730ce3) Change-Id: I01a481d872d859b372a4bade9bebd3dab2fb4efb
2024-03-04Merge pull request #9170 from tfc/fix-broken-moveeldritch horrors
Fix broken move (cherry picked from commit aa4f41d796630004e90790bffe2239420f77f696) Change-Id: I39d3f9f4f27328500de005c9205d905c55d6f9ea
2023-06-18Split `OptionalPathSetting` from `PathSetting`John Ericson
Rather than doing `allowEmpty` as boolean, have separate types and use `std::optional`. This makes it harder to forget the possibility of an empty path. The `build-hook` setting was categorized as a `PathSetting`, but actually it was split into arguments. No good! Now, it is `Setting<Strings>` which actually reflects what it means and how it is used. Because of the subtyping, we now also have support for `Setting<std::optional<String>>` in general. I imagine this can be used to clean up many more settings also.
2023-04-17Fix some issues with experimental config settingsJohn Ericson
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>
2023-04-16Mark experimental configuration settings programmaticallyJohn Ericson
Fix #8162 The test is changed to compare `nlohmann::json` values, not strings of dumped JSON, which allows us to format things more nicely.
2023-04-11Do not gate or hide experimental settingsJohn Ericson
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
2023-03-20Fix handling of experimental features mid-parseJohn Ericson
If we conditionally "declare" the argument, as we did before, based upon weather the feature is enabled, commands like nix --experimental-features=foo ... --thing-gated-on-foo won't work, because the experimental feature isn't enabled until *after* we start parsing. Instead, allow arguments to also be associated with experimental features (just as we did for builtins and settings), and then the command line parser will filter out the experimental ones. Since the effects of arguments (handler functions) are performed right away, we get the required behavior: earlier arguments can enable later arguments enabled! There is just one catch: we want to keep non-positional flags...non-positional. So if nix --experimental-features=foo ... --thing-gated-on-foo works, then nix --thing-gated-on-foo --experimental-features=foo ... should also work. This is not my favorite long-term solution, but for now this is implemented by delaying the requirement of needed experimental features until *after* all the arguments have been parsed.
2023-03-20Mark experimental features on settingsJohn Ericson
We hide them in various ways if the experimental feature isn't enabled. To do this, we had to move the experimental features list out of libnixstore, because the setting machinary itself depends on it. To do that, we made a new `ExperimentalFeatureSettings`.
2023-03-20Move enabled experimental feature to libutil structJohn Ericson
This is needed in subsequent commits to allow the settings and CLI args infrastructure itself to read this setting.
2022-10-22Fix C++20 warningsGraham Bennett
2022-02-25Remove std::string alias (for real this time)Eelco Dolstra
Also use std::string_view in a few more places.
2022-02-21Remove std::vector aliasEelco Dolstra
2021-10-27StyleEelco Dolstra
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.
2021-09-22Make setDefault() typedEelco Dolstra
2021-07-15Forward the whole Nix config to the post-build-hookregnat
Fill `NIX_CONFIG` with the value of the current Nix configuration before calling the post-build-hook. That way the whole configuration (including the possible `experimental-features`, a possibly `--store` option or whatever) will be made available to the hook
2021-03-26Fix some typosEelco Dolstra
Fixes #4671.
2021-01-08string2Int(): Return std::optionalEelco Dolstra
2020-11-09Fix appending to Setting<StringSet>Eelco Dolstra
Fixes: warning: unknown setting 'extra-sandbox-paths'
2020-10-29Fix assertion failure in tab completion for --optionEelco Dolstra
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.
2020-10-26BaseSetting<StringMap>::set(): Don't append to previous valueEelco Dolstra
2020-09-29Merge branch 'master' into access-tokensKevin Quick
2020-09-24Support StringMap configuration settings.Kevin Quick
Allows Configuration values that are space-separated key=value pairs.
2020-09-21abstractsettingtojson.hh -> abstract-setting-to-json.hhEelco Dolstra
2020-09-16Don't include nlohmann/json.hpp in config.hhregnat
Instead make a separate header with the template implementation of `BaseSetting<T>::toJSONObj` that can be included where needed
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..)
2020-08-20Allow 'nix' subcommands to provide docs in Markdown formatEelco Dolstra
2020-08-20List deprecated option aliases in the docsEelco Dolstra
2020-08-20Config: Use nlohmann/jsonEelco Dolstra
2020-08-19Generate the nix.conf docs from the source codeEelco Dolstra
This means we don't have two (divergent) sets of option descriptions anymore.
2020-05-27config.cc: extract parts of applyConfigFile into applyConfigAndreas Rammhold
This moves the actual parsing of configuration contents into applyConfig which applyConfigFile is then going to call. By changing this we can now test the configuration file parsing without actually create a file on disk.
2020-05-04Flag: Use designated initializersEelco Dolstra
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.
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.
2018-02-19Config::handleUnknownSettings(): Remove unused 'fatal' argumentEelco Dolstra
2018-02-13Allow plugins to define new settings.Shea Levy
2018-02-13Allow includes from nix.confShea Levy
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.
2017-07-30Replace Unicode quotes in user-facing strings by ASCIIJörg Thalheim
Relevant RFC: NixOS/rfcs#4 $ ag -l | xargs sed -i -e "/\"/s/’/'/g;/\"/s/‘/'/g"
2017-06-07Don't show flags from config settings in "nix --help"Eelco Dolstra
2017-06-07nix: Make all options available as flagsEelco Dolstra
Thus, instead of ‘--option <name> <value>’, you can write ‘--<name> <value>’. So --option http-connections 100 becomes --http-connections 100 Apart from brevity, the difference is that it's not an error to set a non-existent option via --option, but unrecognized arguments are fatal. Boolean options have special treatment: they're mapped to the argument-less flags ‘--<name>’ and ‘--no-<name>’. E.g. --option auto-optimise-store false becomes --no-auto-optimise-store