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Find a file
Qyriad 14bf54bd39 trace which part of foo.bar.baz errors 
Turns errors like:

let
  somepkg.src = throw "invalid foobar";
in somepkg.src.meta

error:
       … while evaluating the attribute 'src.meta'
         at «string»:2:3:
            1| let
            2|   somepkg.src = throw "invalid foobar";
             |   ^
            3| in somepkg.src.meta

       … while calling the 'throw' builtin
         at «string»:2:17:
            1| let
            2|   somepkg.src = throw "invalid foobar";
             |                 ^
            3| in somepkg.src.meta

       error: invalid foobar

into errors like:

let
  somepkg.src = throw "invalid foobar";
in somepkg.src.meta

error:
       … while evaluating the attribute 'src.meta'
         at «string»:2:3:
            1| let
            2|   somepkg.src = throw "invalid foobar";
             |   ^
            3| in somepkg.src.meta

       … while evaluating 'somepkg.src' to select 'meta' on it
         at «string»:3:4:
            2|   somepkg.src = throw "invalid foobar";
            3| in somepkg.src.meta
             |    ^

       … while calling the 'throw' builtin
         at «string»:2:17:
            1| let
            2|   somepkg.src = throw "invalid foobar";
             |                 ^
            3| in somepkg.src.meta

       error: invalid foobar

And for type errors, from:

let
  somepkg.src = "I'm not an attrset";
in somepkg.src.meta

error:
       … while evaluating the attribute 'src.meta'
         at «string»:2:3:
            1| let
            2|   somepkg.src = "I'm not an attrset";
             |   ^
            3| in somepkg.src.meta

       … while selecting an attribute
         at «string»:3:4:
            2|   somepkg.src = "I'm not an attrset";
            3| in somepkg.src.meta
             |    ^

       error: expected a set but found a string: "I'm not an attrset"

into:

let
  somepkg.src = "I'm not an attrset";
in somepkg.src.meta

error:
       … while evaluating the attribute 'src.meta'
         at «string»:2:3:
            1| let
            2|   somepkg.src = "I'm not an attrset";
             |   ^
            3| in somepkg.src.meta

       … while selecting 'meta' on 'somepkg.src'
         at «string»:3:4:
            2|   somepkg.src = "I'm not an attrset";
            3| in somepkg.src.meta
             |    ^

       error: expected a set but found a string: "I'm not an attrset"

For the low price of an enumerate() and a lambda you too can have the
incorrect line of code actually show up in the trace!

Change-Id: Ic1491c86e33c167891bdac9adad6224784760bd6
2024-07-04 17:42:35 -06:00
.github .github: clean up stale things and wrong references 2024-06-12 15:34:23 -07:00
bench
clang-tidy clang-tidy: work with angle brackets and external projects 2024-05-24 02:22:58 +00:00
contrib
doc trace which part of foo.bar.baz errors 2024-07-04 17:42:35 -06:00
lix-doc
maintainers Merge changes I476a2516,I8a274227 into main 2024-06-26 17:34:45 +00:00
meson libexpr: rewrite the parser with pegtl instead of flex/bison 2024-06-25 12:24:58 +00:00
misc libexpr: rewrite the parser with pegtl instead of flex/bison 2024-06-25 12:24:58 +00:00
nix-support Move version to a JSON file so we can have release names 2024-06-06 15:08:12 -07:00
perl libutil: allow draining Generator<Bytes> into sinks 2024-07-03 11:46:53 +00:00
releng releng: fix broken manifest from 2.90-rc1 2024-06-16 13:34:04 -07:00
scripts
src trace which part of foo.bar.baz errors 2024-07-04 17:42:35 -06:00
subprojects/aws_sdk build: fix static aws-cpp-sdk 2024-05-30 00:40:25 -06:00
tests trace when the foo part of foo.bar.baz errors 2024-07-04 16:33:02 -06:00
.clang-format
.clang-tidy
.dir-locals.el
.editorconfig
.envrc .envrc: remove MAKEFLAGS and use clang environment by default 2024-06-25 12:36:18 -06:00
.gitignore Put into place initial release engineering 2024-06-06 20:53:08 -07:00
.this-is-lix devShell: guard against running from another directory 2024-06-24 13:41:38 -07:00
boehmgc-coroutine-sp-fallback.diff [resubmit] flake: update nixpkgs pin 23.11->24.05 (+ boehmgc compat changes) 2024-06-12 15:34:22 -07:00
CONTRIBUTING.md
COPYING
default.nix
docker.nix releng: support multiarch docker images 2024-06-09 20:33:24 -07:00
flake.lock [resubmit] flake: update nixpkgs pin 23.11->24.05 (+ boehmgc compat changes) 2024-06-12 15:34:22 -07:00
flake.nix Merge "packaging: make pegtl use the __forDefaults mechanism" into main 2024-06-26 22:11:52 +00:00
justfile justfile: accept extra options to just setup and pass them to meson 2024-06-24 13:37:01 -07:00
meson.build libutil: generator type with on-yield value mapping 2024-07-03 11:46:53 +00:00
meson.options build: expose option to enable or disable precompiled std headers 2024-06-06 12:46:26 -06:00
package.nix packaging: make pegtl use the __forDefaults mechanism 2024-06-26 00:44:46 -07:00
README.md chore: rebrand Nix to Lix when it makes sense 2024-06-01 20:31:24 +02:00
shell.nix shell.nix: conform to documentation 2024-05-27 16:47:40 +02:00
treefmt.toml
version.json version: update to 2.91-dev for main 2024-06-15 18:46:18 -07:00

README.md

Lix

Lix is an implementation of Nix, a powerful package management system for Linux and other Unix systems that makes package management reliable and reproducible.

Read more about us at https://lix.systems.

Installation

On Linux and macOS the easiest way to install Lix is to run the following shell command (as a user other than root):

$ curl -sSf -L https://install.lix.systems/lix | sh -s -- install

For systems that already have a Nix implementation installed, such as NixOS systems, read our install page

Building And Developing

See our Hacking guide in our manual for instruction on how to to set up a development environment and build Lix from source.

Additional Resources

License

Lix is released under the LGPL v2.1.