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A modern, delicious implementation of the Nix package manager, focused on correctness, usability, and growth — and committed to doing right by its community
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Jade Lovelace e715e5fd31 releng: fix logging inside interactive xonsh 
I don't know when this broke, it seems like it happened since the 24.05
upgrade, so xonsh 0.15.

What happened is that xonsh was trying to intercept log output, which
explodes if you have the logger survive past one command input. This is,
however, impossible to avoid if you are trying to use logging when you
import releng from inside xonsh for interactive use!

The error below is because the memory handler backing the stdout/stderr
of the one command that's just been run was closed after the command
completed.

Change-Id: I2be642aebf93da9818d08ff8b97c2e72ba5ac581

--- Logging error ---
Traceback (most recent call last):
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/logging/__init__.py", line 1113, in emit
    stream.write(msg + self.terminator)
  File "/nix/store/34951j60xcsw6zj4v8lsaf491acv0by3-python3-3.11.9-env/lib/python3.11/site-packages/xonsh/base_shell.py", line 183, in write
    self.mem.write(s)
ValueError: I/O operation on closed file.
Call stack:
  File "/nix/store/xgdp1p1gv8ni1awnkzyqasnn6gz5wlvx-xonsh-0.15.1/bin/xonsh", line 8, in <module>
    sys.exit(main())
  File "/nix/store/34951j60xcsw6zj4v8lsaf491acv0by3-python3-3.11.9-env/lib/python3.11/site-packages/xonsh/main.py", line 470, in main
    sys.exit(main_xonsh(args))
  File "/nix/store/34951j60xcsw6zj4v8lsaf491acv0by3-python3-3.11.9-env/lib/python3.11/site-packages/xonsh/main.py", line 514, in main_xonsh
    shell.shell.cmdloop()
  File "/nix/store/34951j60xcsw6zj4v8lsaf491acv0by3-python3-3.11.9-env/lib/python3.11/site-packages/xonsh/ptk_shell/shell.py", line 406, in cmd
loop
    line = self.singleline(auto_suggest=auto_suggest)
  File "/nix/store/34951j60xcsw6zj4v8lsaf491acv0by3-python3-3.11.9-env/lib/python3.11/site-packages/xonsh/ptk_shell/shell.py", line 374, in sin
gleline
    line = self.prompter.prompt(**prompt_args)
  File "/nix/store/34951j60xcsw6zj4v8lsaf491acv0by3-python3-3.11.9-env/lib/python3.11/site-packages/prompt_toolkit/shortcuts/prompt.py", line 1
026, in prompt
    return self.app.run(
  File "/nix/store/34951j60xcsw6zj4v8lsaf491acv0by3-python3-3.11.9-env/lib/python3.11/site-packages/prompt_toolkit/application/application.py",
 line 1002, in run
    return asyncio.run(coro)
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/asyncio/runners.py", line 189, in run
    with Runner(debug=debug) as runner:
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/asyncio/runners.py", line 59, in __enter__
    self._lazy_init()
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/asyncio/runners.py", line 137, in _lazy_init
    self._loop = events.new_event_loop()
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/asyncio/events.py", line 810, in new_event_loop
    return get_event_loop_policy().new_event_loop()
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/asyncio/events.py", line 699, in new_event_loop
    return self._loop_factory()
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/asyncio/unix_events.py", line 64, in __init__
    super().__init__(selector)
  File "/nix/store/7hnr99nxrd2aw6lghybqdmkckq60j6l9-python3-3.11.9/lib/python3.11/asyncio/selector_events.py", line 54, in __init__
    logger.debug('Using selector: %s', selector.__class__.__name__)
Message: 'Using selector: %s'
Arguments: ('EpollSelector',)

Change-Id: I90959809129aaf96aad4577599031688599ed85e
2024-06-13 15:17:44 -07:00
.github .github: clean up stale things and wrong references 2024-06-12 15:34:23 -07:00
bench Add benchmarking scripts 2024-04-08 19:50:24 -07:00
clang-tidy clang-tidy: work with angle brackets and external projects 2024-05-24 02:22:58 +00:00
contrib function-trace: always show the trace 2019-09-18 23:23:21 +02:00
doc doc: Write an index of environment variables used in testsuite 2024-06-12 15:34:23 -07:00
lix-doc lix-doc: don't chomp bold headings off 2024-05-15 15:24:03 -07:00
maintainers Put into place initial release engineering 2024-06-06 20:53:08 -07:00
meson packaging: rename nixexpr -> lixexpr and so on 2024-05-23 16:45:23 -06:00
misc Misc workaround removals since 24.05 upgrade 2024-06-12 15:34:23 -07:00
nix-support Move version to a JSON file so we can have release names 2024-06-06 15:08:12 -07:00
perl Move version to a JSON file so we can have release names 2024-06-06 15:08:12 -07:00
releng releng: fix logging inside interactive xonsh 2024-06-13 15:17:44 -07:00
scripts remove the autoconf+Make buildsystem 2024-05-07 17:04:30 -06:00
src doc: rewrite the multi-user documentation to actually talk about security 2024-06-12 15:34:23 -07:00
subprojects/aws_sdk build: fix static aws-cpp-sdk 2024-05-30 00:40:25 -06:00
tests Merge "tests/libcmd: set HOME to a temporary directory" into main 2024-06-13 05:27:55 +00:00
.clang-format Add pre-commit checks 2024-03-29 22:57:40 -07:00
.clang-tidy Add basic clang-tidy config 2024-03-29 20:26:38 -07:00
.dir-locals.el .dir-locals.el: Set c-block-comment-prefix 2020-07-10 11:21:06 +02:00
.editorconfig add editorconfig for markdown 2024-05-24 02:22:44 +00:00
.envrc Set MAKEFLAGS=-j and GTEST_BRIEF in .envrc 2024-03-28 18:17:28 -07:00
.gitignore Put into place initial release engineering 2024-06-06 20:53:08 -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 chore: re-work the contribution guide 2024-05-07 01:28:35 +00:00
COPYING Add pre-commit checks 2024-03-29 22:57:40 -07:00
default.nix Format Nix code with nixfmt 2024-04-08 13:00:00 -07:00
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 Check devShells in CI 2024-06-12 15:34:23 -07:00
justfile justfile: remove --quiet from just test 2024-05-24 02:22:25 +00:00
meson.build [resubmit] flake: update nixpkgs pin 23.11->24.05 (+ boehmgc compat changes) 2024-06-12 15:34:22 -07:00
meson.options build: expose option to enable or disable precompiled std headers 2024-06-06 12:46:26 -06:00
package.nix dev shell: Add bashInteractive 2024-06-12 15:34:23 -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 Format Nix code with nixfmt 2024-04-08 13:00:00 -07:00
version.json version: update to 2.90.0-rc1 2024-06-13 13:03:25 -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.