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2024-05-23Merge changes I462a8cf0,I3b0bcea3,I2acd56e7,Ifc149764,I9e2ef170 into mainQyriad
* changes: docs: linkify nix3-build mention in nix-build.md build: make internal-api-docs PHONY cleanup lookupFileArg add docstring to lookupFileArg add libcmd test for lookupFileArg
2024-05-23Merge "packaging: rename nixexpr -> lixexpr and so on" into mainjade
2024-05-23packaging: rename nixexpr -> lixexpr and so onJade Lovelace
This breaks downstreams linking to us on purpose to make sure that if someone is linking to Lix they're doing it on purpose and crucially not mixing up Nix and Lix versions in compatibility code. We still need to fix the internal includes to follow the same schema so we can drop the single-level include system entirely. However, this requires a little more effort. This adds pkg-config for libfetchers and config.h. Migration path: expr.hh -> lix/libexpr/expr.hh nix/config.h -> lix/config.h To apply this migration automatically, remove all `<nix/>` from includes, so: `#include <nix/expr.hh>` -> `#include <expr.hh>`. Then, the correct paths will be resolved from the tangled mess, and the clang-tidy automated fix will work. Then run the following for out of tree projects: ``` lix_root=$HOME/lix (cd $lix_root/clang-tidy && nix develop -c 'meson setup build && ninja -C build') run-clang-tidy -checks='-*,lix-fixincludes' -load=$lix_root/clang-tidy/build/liblix-clang-tidy.so -p build/ -fix src ``` Related: https://git.lix.systems/lix-project/nix-eval-jobs/pulls/5 Fixes: https://git.lix.systems/lix-project/lix/issues/279 Change-Id: I7498e903afa6850a731ef8ce77a70da6b2b46966
2024-05-23cleanup lookupFileArgQyriad
Change-Id: I2acd56e7a542b12138f43c95af78fdd50e944619
2024-05-23add docstring to lookupFileArgQyriad
Change-Id: Ifc149764f5a15725d3d630677c6da29def4b0f3e
2024-05-23repl: log errors writing to history fileQyriad
These errors are now logged and explicitly ignored, rather than implicitly ignored. Change-Id: Ia26015466a17f2b11952df5317a4d150d79dc184
2024-05-23Merge "repl: do not crash when tab-completing import errors" into mainPierre Bourdon
2024-05-23repl: do not crash when tab-completing import errorsPierre Bourdon
File not found while importing causes a SysError, not an EvalError, which is not currently caught by the tab-completion handler. Ignoring all SysErrors might seem "dangerous" but this is the tab-completion handler, any exception being bubbled up from there causes unexpected behavior (causes the whole repl to exit). Fixes #340. Change-Id: I643048a47935e77f582decc539d9e51bdb96c890
2024-05-22fix: enlarge envSize by several times to not be close to nixpkgs sizeJade Lovelace
nixpkgs has 23000 attributes, and our previous limit would be hit if you have more than one nixpkgs in the environment, for example, because `repl-overlays` will load the new stuff from the environment on top of the existing environment. This is not really testable since if we did write such a test, it would just be testing this constant tbh... Fixes: https://git.lix.systems/lix-project/lix/issues/337 Change-Id: I49197bfb4db55b082f914f0d70e84f5f5f110954
2024-05-21print type and value in "flake attr is not a derivation" errorsQyriad
This turns errors like: error: flake output attribute 'hydraJobs' is not a derivation or path into errors like: error: expected flake output attribute 'hydraJobs' to be a derivation or path but found a set: { binaryTarball = «thunk»; build = «thunk»; etc> } This change affects all InstallableFlake commands. Change-Id: I899757af418b6f98201006ec6ee13a448c07077c
2024-05-19repl-interacter: save history after entering every linePuck Meerburg
Fixes: https://git.lix.systems/lix-project/lix/issues/328 Change-Id: Iedd79ff5f72e84766ebd234c63856170afc624f0
2024-05-15build: fix build when gc is disabledMel Zuser
Change-Id: I8d3eb8874a4138668011b525c3b400a55a1f4866
2024-05-15Merge "nix3-build: show all FOD errors with `--keep-going`" into mainMaximilian Bosch
2024-05-15nix3-build: show all FOD errors with `--keep-going`Maximilian Bosch
Basically I'd expect the same behavior as with `nix-build`, i.e. with `--keep-going` the hash-mismatch error of each failing fixed-output derivation is shown. The approach is derived from `Store::buildPaths` (`entry-point.cc`): instead of throwing the first build-result, check if there are any build errors and if so, display all of them and throw after that. Unfortunately, the BuildResult struct doesn't have an `ErrorInfo` (there's a FIXME for that at least), so I have to construct my own here. This is a rather cheap bugfix and I decided against touching too many parts of libstore for that (also I don't know if that's in line with the ongoing refactoring work). Closes https://git.lix.systems/lix-project/lix/issues/302 Change-Id: I378ab984fa271e6808c6897c45e0f070eb4c6fac
2024-05-13repl: clear the interrupt before reading the next lineAlois Wohlschlager
Otherwise, it will be thrown again during exit when the repl is terminated by end-of-input after the last command was interrupted. Change-Id: I8456c47bc36cfb0892efdad5420f318f7e6526d5
2024-05-08repl: show a progress bar while performing buildsAlois Wohlschlager
In commit 946fc12e4e6d7e097c5b6ed4f6bc4d516b10b901, the progress bar in the repl was disabled again because it was observed to erase incremental output from attrset evaluations from the terminal. Let's try adding the progress bar again, this time showing up only when a build is initiated, which does not have incremental output that could be destroyed to begin with. While this does mean that we won't have a progress bar for eval-time fetching or IFD, it's still better than nothing. Change-Id: If4eb1035cd0c876f5b4ff1e2434b9baf99f150ac
2024-05-07remove the autoconf+Make buildsystemQyriad
We're not using it anymore. Any leftover bugs in the Meson buildsystem are now just bugs. Closes #249. Change-Id: I0465a0c37ae819f94d40e7829f5bff046aa63d73
2024-05-02nix3-profile: remove check "name" attr in manifestsQyriad
It doesn't seem to have ever been used. Based off of commit a748e88bf4cca0fdc6ce75188e88017a7899d16b Upstream-PR: https://github.com/NixOS/nix/pull/9656 Change-Id: Idcf250a645fa43f2ef11fb15b503b070a62a917e
2024-05-02nix3-profile: make element names stableQyriad
Based off of commit 6268a45b650f563bae2360e0540920a2959bdd40 Upstream-PR: https://github.com/NixOS/nix/pull/9656 Co-authored-by: Eelco Dolstra <edolstra@gmail.com> Change-Id: I0fcf069a8537c61ad6fc4eee1f3c193a708ea1c4
2024-05-02nix3-profile: allow using human-readable names to select packagesQyriad
These names are parsed from the URL provided for that package Based off of commit 257b768436a0e8ab7887f9b790c5b92a7fe51ef5 Upstream-PR: https://github.com/NixOS/nix/pull/8678 Co-authored-by: Felix Uhl <felix.uhl@outlook.com> Change-Id: I76d5f9cfb11d3d2915b3dd1db21d7bb49e91f4fb
2024-04-29fix `nix upgrade-nix` on new-style profilesQyriad
nix3-profile automatically migrates any profile its used on to its style of profile -- the ones with manifest.json instead of manifest.nix. On non-NixOS systems, Nix is conventionally installed to the profile at /nix/var/nix/profiles/default, so if a user passed that to `--profile` of `nix profile`, then it would break upgrade-nix from ever working again, without recreating the profile. This commit fixes that, and allows upgrade-nix to work on either kind of profile. Fixes #16. Change-Id: I4c49b1beba93bb50e8f8a107edc451affe08c3f7
2024-04-29refactor some nix-env and profile code to libcmdQyriad
Notably, ProfileManifest and ProfileElement are useful generic profile management code, and nix profile is not the only place in the codebase where profiles are relevant. This commit is in preparation for fixing upgrade-nix's interaction with new-style profiles. Change-Id: Iefc8bbd34b4bc6012175cb3d6e6a8207973bc792
2024-04-11libcmd: install generated headers as welleldritch horrors
these seem to have been forgotten. Change-Id: I6a084827d087f8098c19b62f2060a874d87202a1
2024-04-09Print top-level errors normally in `nix repl`Rebecca Turner
Previously, errors while printing values in `nix repl` would be printed in `«error: ...»` brackets rather than displayed normally: ``` nix-repl> legacyPackages.aarch64-darwin.pythonPackages.APScheduler «error: Package ‘python-2.7.18.7’ in /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/pkgs/development/interpreters/python/cpython/2.7/default.nix:335 is marked as insecure, refusing to evaluate.» ``` Now, errors will be displayed normally if they're emitted at the top-level of an expression: ``` nix-repl> legacyPackages.aarch64-darwin.pythonPackages.APScheduler error: … in the condition of the assert statement at /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/lib/customisation.nix:268:17: 267| in commonAttrs // { 268| drvPath = assert condition; drv.drvPath; | ^ 269| outPath = assert condition; drv.outPath; … in the left operand of the OR (||) operator at /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/pkgs/development/interpreters/python/passthrufun.nix:28:45: 27| if lib.isDerivation value then 28| lib.extendDerivation (valid value || throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.") {} value | ^ 29| else (stack trace truncated; use '--show-trace' to show the full trace) error: Package ‘python-2.7.18.7’ in /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/pkgs/development/interpreters/python/cpython/2.7/default.nix:335 is marked as insecure, refusing to evaluate. ``` Errors emitted in nested structures (like e.g. when printing `nixpkgs`) will still be printed in brackets. Change-Id: I25aeddf08c017582718cb9772a677bf51b9fc2ad
2024-04-09format repl-overlays.nix to fix pre-commit checksQyriad
Change-Id: I9487f5832160c1093d8752f883c1be85f8310e0f
2024-04-09Merge "Add `repl-overlays`" into mainrebecca “wiggles” turner
2024-04-08Add `repl-overlays`Rebecca Turner
Adds a `repl-overlays` option, which specifies files that can overlay and modify the top-level bindings in `nix repl`. For example, with the following contents in `~/.config/nix/repl.nix`: info: final: prev: let optionalAttrs = predicate: attrs: if predicate then attrs else {}; in optionalAttrs (prev ? legacyPackages && prev.legacyPackages ? ${info.currentSystem}) { pkgs = prev.legacyPackages.${info.currentSystem}; } We can run `nix repl` and use `pkgs` to refer to `legacyPackages.${currentSystem}`: $ nix repl --repl-overlays ~/.config/nix/repl.nix nixpkgs Lix 2.90.0 Type :? for help. Loading installable 'flake:nixpkgs#'... Added 5 variables. Loading 'repl-overlays'... Added 6 variables. nix-repl> pkgs.bash «derivation /nix/store/g08b5vkwwh0j8ic9rkmd8mpj878rk62z-bash-5.2p26.drv» Change-Id: Ic12e0f2f210b2f46e920c33088dfe1083f42391a
2024-04-08pragma once and ///@file everything missing itJade Lovelace
Change-Id: Ia1a72348336794b5fb9f2694dd750266089b904e
2024-04-08nix-doc -> lix-doc, make self-contained in package.nixJade Lovelace
package.nix previously needed this callPackage'd externally, which didn't make a lot of sense to us since this is an internal dependency. Thus we changed it to make it more self contained. Change-Id: I4935bc0bc80e1a132bc9b1519e917791da95037c
2024-04-07Merge pull request #10208 from 9999years/print-strings-directlyRobert Hensing
`:print` strings directly in `nix repl` (cherry picked from commit 3539172fd2f7cee639ce46423c58beca4231f2db) Change-Id: I1972f3bf3b56312851f38288509d371d37f21677 Upstream-PR: https://github.com/NixOS/nix/pull/10208
2024-04-03repl: improve `:doc` builtin repl command to support lambdas.Lunaphied
For a long time `nix repl` has supported displaying documentation set on builtins, however, it has long been convention to use Markdown comments on Nix functions themselves for documentation. This exposes that information to `nix repl` users in a nice and formatted way. NixOS/rfcs#145 doc-comments are primarily what this feature is intended to consume, however, support for lambda documentation in the repl is experimental. We do our best effort to support the RFC here. These changes are based on [the nix-doc library](https://github.com/lf-/nix-doc) and are licensed under the terms described in the relevant source files. Change-Id: Ic6fe947d39a22540705d890737e336c4720b0a22
2024-03-31Merge pull request #9920 from 9999years/forbid-nested-debuggersThéophane Hufschmitt
Forbid nested debuggers (cherry picked from commit e164b39ee90fd655dbb7f479fdd4fbe38cc883bd) Change-Id: Iff62f40fd251116516a63e2d3f9fb5b21480b16d
2024-03-29meson: add missing explicit dependency on nlohmann_jsonWinter
Without this, the Meson setup won't bail out if nlohmann_json is missing, leading to subpar DX (and maybe worse, but I'm not entirely sure). Change-Id: I5913111060226b540dcf003257c99a08e84da0de
2024-03-29meson: install pkg-config files for librarieseldritch horrors
Change-Id: I14b9d81d09f188eacfb9c68bcfb84751c18e3779
2024-03-25Merge pull request #8817 from iFreilicht/flake-update-lock-overhaulThéophane Hufschmitt
Overhaul `nix flake update` and `nix flake lock` UX (cherry picked from commit 12a0ae73dbb37becefa5a442eb4532ff0de9ce65) Change-Id: Iff3b4f4235ebb1948ec612036b39ab29e4ca22b2
2024-03-25Overhaul completions, redo #6693 (#8131)John Ericson
As I complained in https://github.com/NixOS/nix/pull/6784#issuecomment-1421777030 (a comment on the wrong PR, sorry again!), #6693 introduced a second completions mechanism to fix a bug. Having two completion mechanisms isn't so nice. As @thufschmitt also pointed out, it was a bummer to go from `FlakeRef` to `std::string` when collecting flake refs. Now it is `FlakeRefs` again. The underlying issue that sought to work around was that completion of arguments not at the end can still benefit from the information from latter arguments. To fix this better, we rip out that change and simply defer all completion processing until after all the (regular, already-complete) arguments have been passed. In addition, I noticed the original completion logic used some global variables. I do not like global variables, because even if they save lines of code, they also obfuscate the architecture of the code. I got rid of them moved them to a new `RootArgs` class, which now has `parseCmdline` instead of `Args`. The idea is that we have many argument parsers from subcommands and what-not, but only one root args that owns the other per actual parsing invocation. The state that was global is now part of the root args instead. This did, admittedly, add a bunch of new code. And I do feel bad about that. So I went and added a lot of API docs to try to at least make the current state of things clear to the next person. -- This is needed for RFC 134 (tracking issue #7868). It was very hard to modularize `Installable` parsing when there were two completion arguments. I wouldn't go as far as to say it is *easy* now, but at least it is less hard (and the completions test finally passed). Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io> Change-Id: If18cd5be78da4a70635e3fdcac6326dbfeea71a5 (cherry picked from commit 67eb37c1d0de28160cd25376e51d1ec1b1c8305b)
2024-03-25feat: notation to refer to no attribute search prefixTom Bereknyei
An attrPath prefix of "." indicates no need to try default attrPath prefixes. For example `nixpkgs#legacyPackages.x86_64-linux.ERROR` searches through ``` trying flake output attribute 'packages.x86_64-linux.legacyPackages.x86_64-linux.ERROR' using cached attrset attribute '' trying flake output attribute 'legacyPackages.x86_64-linux.legacyPackages.x86_64-linux.ERROR' using cached attrset attribute 'legacyPackages.x86_64-linux' trying flake output attribute 'legacyPackages.x86_64-linux.ERROR' using cached attrset attribute 'legacyPackages.x86_64-linux' ``` And there is no way to specify that one does not want the automatic search behavior. Now one can specify `nixpkgs#.legacyPackages.x86_64-linux.ERROR` to only refer to the rooted attribute path without any default injection of attribute search path or system. Change-Id: Iac1334e1470137b7ce11dcf845513810230638ec (cherry picked from commit d4aed18883b361133607296fb6cd789c47427a38)
2024-03-25Merge "Improve new CLI UX by supporting short `-E` flag for `--expr`" into mainlunaphied
2024-03-24Improve new CLI UX by supporting short `-E` flag for `--expr`Lunaphied
Change-Id: I55881c846da8416a92a14deedfa5bbbf09a122fb
2024-03-23Revert "Merge pull request #9476 from alois31/restore-progress-bar"Jade Lovelace
Observed to regress nix repl attrset printing with narrow windows. This reverts commit a2d5e803cf16e048f30f0334114759f81f6c5d20. Fixes: https://git.lix.systems/lix-project/lix/issues/168 Change-Id: I8e0031475b4ec26d6a71014357d973578b70815c
2024-03-22build: optionally build and install with mesonQyriad
This commit adds several meson.build, which successfully build and install Lix executables, libraries, and headers. Meson does not yet build docs, Perl bindings, or run tests, which will be added in following commits. As such, this commit does not remove the existing build system, or make it the default, and also as such, this commit has several FIXMEs and TODOs as notes for what should be done before the existing autoconf + make buildsystem can be removed and Meson made the default. This commit does not modify any source files. A Meson-enabled build is also added as a Hydra job, and to `nix flake check`. Change-Id: I667c8685b13b7bab91e281053f807a11616ae3d4
2024-03-18un-nixes ur lix, a littleJade Lovelace
I didn't really go attack the docs because we need to pull a bunch of PRs. I went looking for strings in the code that called lix nix. Change-Id: I2138bb4dd239096bc530946b281db7f875195b39
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
2024-03-11add automated usage mode to the replJade Lovelace
This is definitely not a stable thing, but it does feel slightly crimes to put it as an experimental feature. Shrug, up for bikeshedding. Change-Id: I6ef176e3dee6fb1cac9c0a7a60d553a2c63ea728
2024-03-11refactor: repl prompts are now the job of the interacterJade Lovelace
Change-Id: I17c2873dfbbff303cdbdc7a8903deb8409ce3026
2024-03-11refactor: move readline stuff into its own fileJade Lovelace
This is in direct preparation for an automation mode of nix repl. Change-Id: I26e6ca88ef1c48aab11a2d1e939ff769f1770caa
2024-03-11util.hh: split out signals stuffJade Lovelace
Copies part of the changes of ac89bb064aeea85a62b82a6daf0ecca7190a28b7 Change-Id: I9ce601875cd6d4db5eb1132d7835c5bab9f126d8
2024-03-09Rename `ProcessLineResult` variantseldritch horrors
(cherry picked from commit 8e71883e3f59100479e96aa1883ef52dbaa03fd3) Change-Id: If7d8b75eaec623dac106ce2363fa148af37d150c
2024-03-09`:quit` in the debugger should quit the whole programeldritch horrors
(cherry picked from commit 2a8fe9a93837733e9dd9ed5c078734a35b203e14) Change-Id: I71dadfef6b24d9272b206e9e2c408040559d8a1c
2024-03-09Pretty-print values in the REPLeldritch horrors
Pretty-print values in the REPL by printing each item in a list or attrset on a separate line. When possible, single-item lists and attrsets are printed on one line, as long as they don't contain a nested list, attrset, or thunk. Before: ``` { attrs = { a = { b = { c = { }; }; }; }; list = [ 1 ]; list' = [ 1 2 3 ]; } ``` After: ``` { attrs = { a = { b = { c = { }; }; }; }; list = [ 1 ]; list' = [ 1 2 3 ]; } ``` (cherry picked from commit c0a15fb7d03dfb8f53bc6726c414bc88aa362592) Change-Id: Ia2b41849165a5ddb63f7a8c272a2476b3e4292df