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John Ericson 80d7994f52 Special-case error message to add extra information
The Derivation parser and old ATerm unfortunately leaves few ways to get
nice errors when an old version of Nix encounters a new version of the
format. The most likely scenario for this to occur is with a new client
making a derivation that the old daemon it is communicating with cannot
understand.

The extensions we just created for dynamic derivation deps will add a
version field, solving the problem going forward, but there is still the
issue of what to do about old versions of Nix up to now.

The solution here is to carefully catch the bad error from the daemon
that is likely to indicate this problem, and add some extra context to
it.

There is another "Ugly backwards compatibility hack" in
`remote-store.cc` that also works by transforming an error.

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-09-07 10:39:37 -04:00
.github Merge pull request #8925 from NixOS/dependabot/github_actions/cachix/install-nix-action-23 2023-09-05 20:37:26 +02:00
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 Allow dynamic derivation deps in inputDrvs 2023-09-07 10:39:37 -04:00
m4 autoconf: Fix C++17 detection not working on Ubuntu 16.04. 2019-07-03 04:32:25 +02:00
maintainers maintainers: add note on marking PRs as draft 2023-06-19 10:55:34 +02:00
misc Choose a reasonable number similar to LimitNOFile 2023-07-07 07:52:16 -07:00
mk Introduce notion of a test group, use for CA tests 2023-07-18 09:31:13 -04:00
perl Allow dynamic derivation deps in inputDrvs 2023-09-07 10:39:37 -04:00
scripts Merge pull request #8512 from scarf005/install-show-uid 2023-06-15 13:49:44 +02:00
src Special-case error message to add extra information 2023-09-07 10:39:37 -04:00
tests Special-case error message to add extra information 2023-09-07 10:39:37 -04:00
.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 Merge pull request #8653 from hercules-ci/gitignore-.cache 2023-08-18 15:02:21 +02:00
.version Bump version 2023-07-24 21:30:33 +02:00
boehmgc-coroutine-sp-fallback.diff Always disable GC in a coroutine unless the patch is applied 2023-04-07 14:54:38 +02:00
bootstrap.sh
configure.ac expand on the system type in hacking guide 2023-07-19 10:37:40 +02:00
CONTRIBUTING.md add checklist to contribution guide 2023-09-05 14:08:40 +02:00
COPYING
default.nix GC root for fetched nixpkgs/lib content 2023-08-16 15:46:37 +02:00
docker.nix fix "add an option to include flake-registry..." 2023-05-16 14:35:31 +02:00
flake.lock add flake-compat to flake.nix and use sha256 in default.nix 2023-03-06 21:11:24 +01:00
flake.nix update system definitions 2023-08-23 19:28:24 +01:00
local.mk Enable -Werror=switch-enum 2023-04-03 18:45:20 +02:00
Makefile Introduce notion of a test group, use for CA tests 2023-07-18 09:31:13 -04:00
Makefile.config.in Generate API docs with Doxygen 2023-03-10 12:51:06 -05:00
precompiled-headers.h Config: Use nlohmann/json 2020-08-20 11:02:16 +02:00
README.md Improve hacking.md 2023-02-13 12:00:00 +04:00
shell.nix Remove url literals 2022-01-24 13:28:21 +01:00

Nix

Open Collective supporters Test

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 to set up a development environment and build Nix from source.

Additional Resources

License

Nix is released under the LGPL v2.1.