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Sergei Zimmerman 6e78cc90d3
libexpr: Fix invalid handling of errors for imported functions 
c39cc00404 has added assertions for
all Value accesses and the following case has started failing with
an `unreachable`:

(/tmp/fun.nix):

```nix
{a}: a
```

```
$ nix eval --impure --expr 'import /tmp/fun.nix {a="a";b="b";}'
```

This would crash:

```
terminating due to unexpected unrecoverable internal error: Unexpected condition in getStorage at ../include/nix/expr/value.hh:844
```

This is not a regression, but rather surfaces an existing problem, which previously
was left undiagnosed. In the case of an import `fun` is the `import` primOp, so that read is invalid
and previously this resulted in an access into an inactive union member, which is UB.
The correct thing to use is `vCur`. Identical problem also affected the case of a missing argument.

Add previously failing test cases to the functional/lang test suite.

Fixes #13448.
2025-07-11 20:20:48 +03:00
.github Revert "Drop magic-nix-cache" 2025-06-18 18:06:24 +02:00
contrib function-trace: always show the trace 2019-09-18 23:23:21 +02:00
doc/manual Merge pull request #13402 from DavHau/build-cores 2025-07-09 23:06:55 +03:00
maintainers release-process.md: Remove unnecessary step 2025-07-08 16:15:45 +02:00
misc libstore: Don't default build-dir to temp-dir, store setting 2025-06-22 16:49:44 +02:00
nix-meson-build-support flake: Add meson formatter 2025-06-11 22:08:03 +00:00
packaging Remove propagated-build-inputs when static 2025-05-26 21:54:19 -07:00
scripts installers, tests: remove --preserve=mode from cp invocations 2025-07-07 15:34:18 -06:00
src libexpr: Fix invalid handling of errors for imported functions 2025-07-11 20:20:48 +03:00
tests libexpr: Fix invalid handling of errors for imported functions 2025-07-11 20:20:48 +03:00
.clang-format Factor out lookupExecutable and other PATH improvments 2024-08-07 18:12:58 -04:00
.clang-tidy Add .clang-tidy 2024-02-01 01:01:39 +01:00
.dir-locals.el .dir-locals.el: Set c-block-comment-prefix 2020-07-10 11:21:06 +02:00
.editorconfig No global eval settings in libnixexpr 2024-06-24 12:15:16 -04:00
.gitignore Overriding gtest with gmock 2025-05-31 07:41:27 -07:00
.mergify.yml Update .mergify.yml 2025-07-08 16:18:53 +02:00
.shellcheckrc housekeeping: shellcheck for tests/functional/ca/build-cache.sh 2024-06-12 17:41:16 -04:00
.version Bump version 2025-07-08 16:14:50 +02:00
CITATION.cff chore: PhD thesis as reference in CITATION.cff 2024-05-18 20:05:22 +02:00
CONTRIBUTING.md Rename doc/manual{src -> source} 2024-10-14 11:21:24 -04:00
COPYING * Change this to LGPL to keep the government happy. 2006-04-25 16:41:06 +00:00
default.nix Format .nix files 2025-01-24 17:04:02 +01:00
docker.nix docker: fix nixConf - fmt 2025-07-09 09:34:50 +02:00
flake.lock flake.lock: Update 2025-05-15 11:31:34 +02:00
flake.nix docker: use callPackage, parametrise the image build 2025-06-12 19:50:31 +02:00
HACKING.md Rename doc/manual{src -> source} 2024-10-14 11:21:24 -04:00
meson.build Restore multiline formatting of lists in meson files 2025-06-20 23:12:36 +03:00
meson.format flake: Add meson formatter 2025-06-11 22:08:03 +00:00
meson.options flake: Add meson formatter 2025-06-11 22:08:03 +00:00
README.md fix(docs): update Matrix channel links 2025-05-04 12:17:48 +02:00
shell.nix Remove url literals 2022-01-24 13:28:21 +01:00

README.md

Nix

Open Collective supporters CI

Nix is a powerful package manager for Linux and other Unix systems that makes package management reliable and reproducible. Please refer to the Nix manual for more details.

Installation and first steps

Visit nix.dev for installation instructions and beginner tutorials.

Full reference documentation can be found in the Nix manual.

Building and developing

Follow instructions in the Nix reference manual to set up a development environment and build Nix from source.

Contributing

Check the contributing guide if you want to get involved with developing Nix.

Additional resources

Nix was created by Eelco Dolstra and developed as the subject of his PhD thesis The Purely Functional Software Deployment Model, published 2006. Today, a world-wide developer community contributes to Nix and the ecosystem that has grown around it.

License

Nix is released under the LGPL v2.1.