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John Ericson ea0adfc582 Get rid of .drv special-casing for store path installables
The release notes document the change in behavior, I don't include it
here so there is no risk to it getting out of sync.

> Motivation

>> Plumbing CLI should be simple

Store derivation installations are intended as "plumbing": very simple
utilities for advanced users and scripts, and not what regular users
interact with. (Similarly, regular Git users will use branch and tag
names not explicit hashes for most things.)

The plumbing CLI should prize simplicity over convenience; that is its
raison d'etre. If the user provides a path, we should treat it the same
way not caring what sort of path it is.

>> Scripting

This is especially important for the scripting use-case. when arbitrary
paths are sent to e.g. `nix copy` and the script author wants consistent
behavior regardless of what those store paths are. Otherwise the script
author needs to be careful to filter out `.drv` ones, and then run `nix
copy` again with those paths and `--derivation`. That is not good!

>> Surprisingly low impact

Only two lines in the tests need changing, showing that the impact of
this is pretty light.

Many command, like `nix log` will continue to work with just the
derivation passed as before. This because we used to:

- Special case the drv path and replace it with it's outputs (what this
  gets rid of).

- Turn those output path *back* into the original drv path.

Now we just skip that entire round trip!

> Context

Issue #7261 lays out a broader vision for getting rid of `--derivation`,
and has this as one of its dependencies. But we can do this with or
without that.

`Installable::toDerivations` is changed to handle the case of a
`DerivedPath::Opaque` ending in `.drv`, which is new: it simply doesn't
need to do any extra work in that case. On this basis, commands like
`nix {show-derivation,log} /nix/store/...-foo.drv` still work as before,
as described above.

When testing older daemons, the post-build-hook will be run against the
old CLI, so we need the old version of the post-build-hook to support
that use-case.

Co-authored-by: Travis A. Everett <travis.a.everett@gmail.com>
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
2023-02-28 17:07:05 -05:00
.github Bump zeebe-io/backport-action from 1.1.0 to 1.2.0 2023-02-27 22:57:30 +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 Get rid of .drv special-casing for store path installables 2023-02-28 17:07:05 -05:00
m4 autoconf: Fix C++17 detection not working on Ubuntu 16.04. 2019-07-03 04:32:25 +02:00
maintainers Merge pull request #7412 from edolstra/release-process 2023-02-24 09:13:46 +01:00
misc Merge pull request #6645 from Artturin/limitinfinity 2022-12-09 13:36:13 +01:00
mk Fix static build 2023-02-14 15:54:19 +01:00
perl Fix building with GCC 9 2023-02-10 18:38:57 +01:00
scripts nix-profile{,-daemon}.sh.in: Allow XDG_STATE_HOME to be unset 2023-02-28 10:10:20 -08:00
src Get rid of .drv special-casing for store path installables 2023-02-28 17:07:05 -05:00
tests Get rid of .drv special-casing for store path installables 2023-02-28 17:07:05 -05:00
.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 Clean up daemon handling 2023-02-23 11:31:44 -05:00
.version Bump version 2023-01-17 22:08:36 +01:00
boehmgc-coroutine-sp-fallback.diff Update boehmgc-coroutine-sp-fallback.diff 2023-01-24 15:11:55 +01:00
bootstrap.sh
configure.ac Fix configure.ac rapidcheck tests 2023-01-30 12:08:57 -05:00
COPYING
default.nix Remove url literals 2022-01-24 13:28:21 +01:00
docker.nix Add nobody user/group to Nix docker image 2022-11-29 10:01:46 +00:00
flake.lock flake.lock: Update 2022-12-08 17:09:50 +01:00
flake.nix Fix the static build 2023-02-22 14:10:07 +01:00
local.mk Remove 'dist' target 2020-12-03 16:17:58 +01:00
Makefile Fix building with GCC 9 2023-02-10 18:38:57 +01:00
Makefile.config.in Embed the sandbox shell into the statically linked 'nix' binary 2022-06-23 04:08:28 +02:00
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.