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Yorick van Pelt fcb8af550f Restore parent mount namespace in restoreProcessContext This ensures any started processes can't write to /nix/store (except during builds). This partially reverts `01d07b1e`, which happened because of #2646. The problem was only happening after nix downloads anything, causing me to suspect the download thread. The problem turns out to be: "A process can't join a new mount namespace if it is sharing filesystem-related attributes with another process", in this case this process is the curl thread. Ideally, we might kill it before spawning the shell process, but it's inside a static variable in the getFileTransfer() function. So instead, stop it from sharing FS state using unshare(). A strategy such as the one from #5057 (single-threaded chroot helper binary) is also very much on the table. Fixes #4337.		2021-10-15 16:25:49 +02:00
.github	Bump cachix/install-nix-action from 13 to 14	2021-09-14 12:57:56 +00:00
config	Run autoupdate	2021-06-01 11:42:38 +02:00
contrib	function-trace: always show the trace	2019-09-18 23:23:21 +02:00
doc/manual	Update release notes	2021-10-13 11:39:54 +02:00
m4	autoconf: Fix C++17 detection not working on Ubuntu 16.04.	2019-07-03 04:32:25 +02:00
maintainers	Update release script	2021-10-08 15:01:03 +02:00
misc	Merge pull request #4935 from alyssais/host_os	2021-07-08 12:40:54 +02:00
mk	mk/libraries.mk: fix trace-ld and trace-ar expansions	2021-10-08 22:59:42 +01:00
nix-rust	Apply OS checks to host platform, not build	2021-06-23 15:00:36 +00:00
perl	Expose a perl method to query a derivation	2021-07-30 11:55:14 +02:00
scripts	darwin-install: fix incorrect fn name	2021-10-12 18:17:27 -05:00
src	Restore parent mount namespace in restoreProcessContext	2021-10-15 16:25:49 +02:00
tests	Disable the eval-store test when using the daemon	2021-10-15 14:15:43 +02:00
.dir-locals.el	.dir-locals.el: Set c-block-comment-prefix	2020-07-10 11:21:06 +02:00
.editorconfig	Add .editorconfig	2017-06-05 22:57:28 +01:00
.gitignore	gitignore the `libstore-tests` executable	2021-10-08 10:12:27 +02:00
.version	Bump version to 2.5	2021-10-07 17:39:30 +02:00
boehmgc-coroutine-sp-fallback.diff	boehmgc: Remove unused code from patch	2021-06-25 17:45:48 +02:00
bootstrap.sh	bootstrap: Simplify & make more robust.	2011-09-06 12:11:05 +00:00
configure.ac	configure: explicit dependency on lowdown library	2021-09-14 07:54:37 +02:00
COPYING	* Change this to LGPL to keep the government happy.	2006-04-25 16:41:06 +00:00
default.nix	Simplify shell.nix and default.nix	2020-06-17 19:21:46 +02:00
flake.lock	flake.lock: Update	2021-10-06 12:41:23 +02:00
flake.nix	Adds a test for nss preload mechanism	2021-10-07 17:25:41 +00:00
local.mk	Remove 'dist' target	2020-12-03 16:17:58 +01:00
Makefile	Add a test for RefScanSink and clean up the code	2021-10-04 14:29:42 +02:00
Makefile.config.in	Apply OS checks to host platform, not build	2021-06-23 15:00:36 +00:00
precompiled-headers.h	Config: Use nlohmann/json	2020-08-20 11:02:16 +02:00
README.md	throw freenode down the memory hole	2021-05-27 21:48:39 +02:00
shell.nix	Add back flake-compat shell.nix	2020-07-17 14:58:59 +00:00

README.md

Nix

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

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

$ curl -L https://nixos.org/nix/install | sh

Information on additional installation methods is available on the Nix download page.

Building And Developing

See our Hacking guide in our manual for instruction on how to build nix from source with nix-build or how to get a development environment.

Additional Resources

License

Nix is released under the LGPL v2.1.