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Maximilian Bosch bb1a851bcf
build: also throw hash-mismatch errors if buildMode == bmCheck 
This actually bit me quite recently in `nixpkgs` because I assumed that
`nix-build --check` would also error out if hashes don't match anymore[1]
and so I wrongly assumed that I couldn't reproduce the mismatch error.

The fix is rather simple, during the output registration a so-called
`delayedException` is instantiated e.g. if a FOD hash-mismatch occurs.
However, in case of `nix-build --check` (or `--rebuild` in case of `nix
build`), the code-path where this exception is thrown will never be
reached.

By adding that check to the if-clause that causes an early exit in case
of `bmCheck`, the issue is gone. Also added a (previously failing)
test-case to demonstrate the problem.

[1] https://github.com/NixOS/nixpkgs/pull/139238, the underlying issue
    was that `nix-prefetch-git` returns different hashes than `fetchgit`
    because the latter one fetches submodules by default.
2021-09-27 15:44:39 +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 Quiet 2021-09-22 14:12:31 +02:00
m4 autoconf: Fix C++17 detection not working on Ubuntu 16.04. 2019-07-03 04:32:25 +02:00
maintainers upload-release.pl: Fix deprecated 'nix' calls 2021-07-28 22:58:25 +02:00
misc Merge pull request #4935 from alyssais/host_os 2021-07-08 12:40:54 +02:00
mk mk: prefert inplace library paths to system ones 2021-08-28 13:51:10 +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 fix install on macOS monterey 2021-09-21 13:38:29 -05:00
src build: also throw hash-mismatch errors if buildMode == bmCheck 2021-09-27 15:44:39 +02:00
tests build: also throw hash-mismatch errors if buildMode == bmCheck 2021-09-27 15:44:39 +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 Merge pull request #5111 from Pamplemousse/clean 2021-08-09 20:05:03 +02:00
.version Revert "Bump version to 3.0" 2020-10-26 11:30:18 +01:00
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 2021-09-13 14:45:21 +02:00
flake.nix flake: Use the real nixUnstable from nixpkgs 2021-09-20 14:37:09 +02:00
local.mk Remove 'dist' target 2020-12-03 16:17:58 +01:00
Makefile nlohmann_json: Update to 3.9.1, fix use of internal copy 2021-07-15 12:25:53 +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

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 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.