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Eelco Dolstra 29d35805c6
Sandbox: Fix /dev/ptmx on recent kernels 
This fixes "No such file or directory" when opening /dev/ptmx
(e.g. http://hydra.nixos.org/build/51094249).

The reason appears to be some changes to /dev/ptmx / /dev/pts handling
between Linux 4.4 and 4.9. See
https://patchwork.kernel.org/patch/7832531/.

The fix is to go back to mounting a proper /dev/pts instance inside
the sandbox. Happily, this now works inside user namespaces, even for
unprivileged users. So

  NIX_REMOTE=local?root=/tmp/nix nix-build \
    '<nixpkgs/nixos/tests/misc.nix>' -A test

works for non-root users.

The downside is that the fix breaks sandbox builds on older kernels
(probably pre-4.6), since mounting a devpts fails inside user
namespaces for some reason I've never been able to figure out. Builds
on those systems will fail with

  error: while setting up the build environment: mounting /dev/pts: Invalid argument

Ah well.
2017-03-31 18:20:19 +02:00
config Add config.guess, config.sub and install-sh 2013-11-25 11:26:02 +00:00
corepkgs Merge branch 'remove-perl' of https://github.com/shlevy/nix 2017-03-31 14:13:32 +02:00
doc/manual Merge branch 'remove-perl' of https://github.com/shlevy/nix 2017-03-31 14:13:32 +02:00
maintainers Update upload-release script 2017-01-03 11:42:56 +01:00
misc Dockerfile: 1.11.2 -> 1.11.7 2017-03-11 19:39:13 +01:00
mk Revert "Get rid of unicode quotes (#1140)" 2016-11-26 00:38:01 +01:00
perl Fix perl build 2017-03-31 15:31:34 +02:00
scripts Merge branch 'nix-copy-closure-c++' of https://github.com/shlevy/nix 2017-02-07 20:47:45 +01:00
src Sandbox: Fix /dev/ptmx on recent kernels 2017-03-31 18:20:19 +02:00
tests Merge branch 'remove-perl' of https://github.com/shlevy/nix 2017-03-31 14:13:32 +02:00
.dir-locals.el Add .dir-locals.el for Emacs 2016-01-28 11:12:04 +01:00
.gitignore Add nix-perl package for the perl bindings 2017-02-07 15:56:32 -05:00
bootstrap.sh bootstrap: Simplify & make more robust. 2011-09-06 12:11:05 +00:00
configure.ac Merge branch 'remove-perl' of https://github.com/shlevy/nix 2017-03-31 14:13:32 +02:00
COPYING * Change this to LGPL to keep the government happy. 2006-04-25 16:41:06 +00:00
local.mk Add nix-perl package for the perl bindings 2017-02-07 15:56:32 -05:00
Makefile Merge branch 'remove-perl' of https://github.com/shlevy/nix 2017-03-31 14:13:32 +02:00
Makefile.config.in Merge branch 'remove-perl' of https://github.com/shlevy/nix 2017-03-31 14:13:32 +02:00
nix.spec.in RPM build: Use parallel make 2017-02-21 14:52:36 +01:00
README.md Fix minor grammatical nitpick ("it's" vs. "its") in README.md. 2017-03-22 10:11:23 -04:00
release.nix Fix evaluation error 2017-03-31 15:54:15 +02:00
shell.nix Add support for brotli compression 2017-03-15 16:49:06 +01:00
version Bump 2016-01-20 16:34:37 +01:00

README.md

Nix, the purely functional package manager

Nix is a new take on package management that is fairly unique. Because of its purity aspects, a lot of issues found in traditional package managers don't appear with Nix.

To find out more about the tool, usage and installation instructions, please read the manual, which is available on the Nix website at http://nixos.org/nix/manual.

Contributing

Take a look at the Hacking Section of the manual. It helps you to get started with building Nix from source.

License

Nix is released under the LGPL v2.1

This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit.