Eelco Dolstra
29d35805c6
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.
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.