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Previously, the progress bar had two subtly different states in which the bar
would not actually render, both with their own shortcomings: inactive (which
was irreversible) and paused (reversible, but swallowing logs). Furthermore,
there was no way of resetting the statistics, so a very bad solution was
implemented (243c0f18dae2a08ea0e46f7ff33277c63f7506d7) that would create a new
logger for each line of the repl, leaking the previous one and discarding the
value of printBuildLogs. Finally, if stderr was not attached to a TTY, the
update thread was started even though the logger was not active, violating the
invariant required by the destructor (which is not observed because the logger
is leaked).
In this commit, the two aforementioned states are unified into a single one,
which can be exited again, correctly upholds the invariant that the update
thread is only running while the progress bar is active, and does not swallow
logs. The latter change in behavior is not expected to be a problems in the
rare cases where the paused state was used before, since other loggers (like
the simple one) don't exhibit it anyway. The startProgressBar/stopProgressBar
API is removed due to being a footgun, and a new method for properly resetting
the progress is added.
Co-Authored-By: Qyriad <qyriad@qyriad.me>
Change-Id: I2b7c3eb17d439cd0c16f7b896cfb61239ac7ff3a
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Following the latest hacking.md currently fails because of a missing
include in upstream editline. This patch fixes the build by adding
that missing include.
Fixes #410.
Change-Id: Iefd4cb687ed3da71ccda9fe9624f38e6ef4623e5
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this was only used in one place, and that place has been rewritten to
use a temporary file instead. keeping this around is not very helpful
at this time, and in any case we'd be better off rewriting subprocess
handling in rust where we not only have a much safer library for such
things but also async frameworks necessary for this easily available.
Change-Id: I6f8641b756857c84ae2602cdf41f74ee7a1fda02
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Change-Id: Id12383f4741cba07159712700ebcfbe37e61560c
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Share evaluation caches across installables
Before:
$ rm -rf ~/.cache/nix && time -f '%E' nix build --dry-run \
'nixpkgs#hello' \
'nixpkgs#clang' \
'nixpkgs#cargo' \
'nixpkgs#rustup' \
'nixpkgs#bear' \
'nixpkgs#firefox' \
'nixpkgs#git-revise' \
'nixpkgs#hyperfine' \
'nixpkgs#curlie' \
'nixpkgs#xz' \
'nixpkgs#ripgrep'
0:03.61
After:
$ rm -rf ~/.cache/nix && time -f '%E' nix build --dry-run \
'nixpkgs#hello' \
'nixpkgs#clang' \
'nixpkgs#cargo' \
'nixpkgs#rustup' \
'nixpkgs#bear' \
'nixpkgs#firefox' \
'nixpkgs#git-revise' \
'nixpkgs#hyperfine' \
'nixpkgs#curlie' \
'nixpkgs#xz' \
'nixpkgs#ripgrep'
0:01.46
This could probably use a more proper benchmark...
Fixes #313
(cherry picked from commit de51e5c335865e3e0a8cccd283fec1a52cce243f)
Change-Id: I9350bebd462b6af12c51db5bf432321abfe84a16
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almost all places where Exprs are passed as pointers expect the pointers
to be non-null. pass them as references to encode this constraint in the
type system as well (and also communicate that Exprs must not be freed).
Change-Id: Ia98f166fec3c23151f906e13acb4a0954a5980a2
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This uses a minor hack in which we check the rl_line_buffer global
variable to workaround editline not including the colon in its
completion callback.
Fixes #361
Change-Id: Id159d209c537443ef5e37a975982e8e12ce1f486
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They are enabled by default, and Meson will also prints whether or not
they're enabled at the bottom at the end of configuration.
Change-Id: I48db238510bf9e74340b86f243f4bbe360794281
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Here's my guide so far:
$ rg '((?!(recursive).*) Nix
(?!(daemon|store|expression|Rocks!|Packages|language|derivation|archive|account|user|sandbox|flake).*))'
-g '!doc/' --pcre2
All items from this query have been tackled. For the documentation side:
that's for https://git.lix.systems/lix-project/lix/issues/162.
Additionally, all remaining references to github.com/NixOS/nix which
were not relevant were also replaced.
Fixes: https://git.lix.systems/lix-project/lix/issues/148.
Fixes: https://git.lix.systems/lix-project/lix/issues/162.
Change-Id: Ib3451fae5cb8ab8cd9ac9e4e4551284ee6794545
Signed-off-by: Raito Bezarius <raito@lix.systems>
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It seems like someone implemented precompiled headers a long time ago
and then it never got ported to meson or maybe didn't work at all.
This is, however, blessedly easy to simply implement. I went looking for
`#define` that could affect the result of precompiling the headers, and
as far as I can tell we aren't doing any of that, so this should truly
just be free build time savings.
Previous state:
Compilation (551 times):
Parsing (frontend): 1302.1 s
Codegen & opts (backend): 956.3 s
New state:
**** Time summary:
Compilation (567 times):
Parsing (frontend): 1123.0 s
Codegen & opts (backend): 1078.1 s
I wonder if the "regression" in codegen time is just doing the PCH
operation a few times, because meson does it per-target.
Change-Id: I664366b8069bab4851308b3a7571bea97ac64022
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Change-Id: Ic1f68e6af658e94ef7922841dd3ad4c69551ef56
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Change-Id: I1bd92479a2cb7e5c2c2e1541b80474adb05ea0df
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Change-Id: I9de2296b4012d50f540124001d54d6ca3be4c6da
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Change-Id: Icff0aa33fda5147bd5dbe256a0b9d6a6c8a2c3f6
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getDerivationPath() directly throws nix::Error for invalid derivations
Change-Id: I81ead950060b789794fa683b61c6349fece1690d
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* changes:
docs: linkify nix3-build mention in nix-build.md
build: make internal-api-docs PHONY
cleanup lookupFileArg
add docstring to lookupFileArg
add libcmd test for lookupFileArg
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This breaks downstreams linking to us on purpose to make sure that if
someone is linking to Lix they're doing it on purpose and crucially not
mixing up Nix and Lix versions in compatibility code.
We still need to fix the internal includes to follow the same schema so
we can drop the single-level include system entirely. However, this
requires a little more effort.
This adds pkg-config for libfetchers and config.h.
Migration path:
expr.hh -> lix/libexpr/expr.hh
nix/config.h -> lix/config.h
To apply this migration automatically, remove all `<nix/>` from
includes, so: `#include <nix/expr.hh>` -> `#include <expr.hh>`. Then,
the correct paths will be resolved from the tangled mess, and the
clang-tidy automated fix will work.
Then run the following for out of tree projects:
```
lix_root=$HOME/lix
(cd $lix_root/clang-tidy && nix develop -c 'meson setup build && ninja -C build')
run-clang-tidy -checks='-*,lix-fixincludes' -load=$lix_root/clang-tidy/build/liblix-clang-tidy.so -p build/ -fix src
```
Related: https://git.lix.systems/lix-project/nix-eval-jobs/pulls/5
Fixes: https://git.lix.systems/lix-project/lix/issues/279
Change-Id: I7498e903afa6850a731ef8ce77a70da6b2b46966
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Change-Id: I2acd56e7a542b12138f43c95af78fdd50e944619
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Change-Id: Ifc149764f5a15725d3d630677c6da29def4b0f3e
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These errors are now logged and explicitly ignored, rather than
implicitly ignored.
Change-Id: Ia26015466a17f2b11952df5317a4d150d79dc184
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File not found while importing causes a SysError, not an EvalError,
which is not currently caught by the tab-completion handler. Ignoring
all SysErrors might seem "dangerous" but this is the tab-completion
handler, any exception being bubbled up from there causes unexpected
behavior (causes the whole repl to exit).
Fixes #340.
Change-Id: I643048a47935e77f582decc539d9e51bdb96c890
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nixpkgs has 23000 attributes, and our previous limit would be hit if you
have more than one nixpkgs in the environment, for example, because
`repl-overlays` will load the new stuff from the environment on top of
the existing environment.
This is not really testable since if we did write such a test, it would
just be testing this constant tbh...
Fixes: https://git.lix.systems/lix-project/lix/issues/337
Change-Id: I49197bfb4db55b082f914f0d70e84f5f5f110954
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This turns errors like:
error: flake output attribute 'hydraJobs' is not a derivation or path
into errors like:
error: expected flake output attribute 'hydraJobs' to be a derivation or
path but found a set: { binaryTarball = «thunk»; build = «thunk»; etc> }
This change affects all InstallableFlake commands.
Change-Id: I899757af418b6f98201006ec6ee13a448c07077c
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Fixes: https://git.lix.systems/lix-project/lix/issues/328
Change-Id: Iedd79ff5f72e84766ebd234c63856170afc624f0
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Change-Id: I8d3eb8874a4138668011b525c3b400a55a1f4866
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Basically I'd expect the same behavior as with `nix-build`, i.e.
with `--keep-going` the hash-mismatch error of each failing
fixed-output derivation is shown.
The approach is derived from `Store::buildPaths` (`entry-point.cc`):
instead of throwing the first build-result, check if there are any build
errors and if so, display all of them and throw after that.
Unfortunately, the BuildResult struct doesn't have an `ErrorInfo`
(there's a FIXME for that at least), so I have to construct my own here.
This is a rather cheap bugfix and I decided against touching too many
parts of libstore for that (also I don't know if that's in line with the
ongoing refactoring work).
Closes https://git.lix.systems/lix-project/lix/issues/302
Change-Id: I378ab984fa271e6808c6897c45e0f070eb4c6fac
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Otherwise, it will be thrown again during exit when the repl is terminated by
end-of-input after the last command was interrupted.
Change-Id: I8456c47bc36cfb0892efdad5420f318f7e6526d5
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In commit 946fc12e4e6d7e097c5b6ed4f6bc4d516b10b901, the progress bar in the
repl was disabled again because it was observed to erase incremental output
from attrset evaluations from the terminal. Let's try adding the progress bar
again, this time showing up only when a build is initiated, which does not have
incremental output that could be destroyed to begin with. While this does mean
that we won't have a progress bar for eval-time fetching or IFD, it's still
better than nothing.
Change-Id: If4eb1035cd0c876f5b4ff1e2434b9baf99f150ac
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We're not using it anymore. Any leftover bugs in the Meson buildsystem
are now just bugs.
Closes #249.
Change-Id: I0465a0c37ae819f94d40e7829f5bff046aa63d73
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It doesn't seem to have ever been used.
Based off of commit a748e88bf4cca0fdc6ce75188e88017a7899d16b
Upstream-PR: https://github.com/NixOS/nix/pull/9656
Change-Id: Idcf250a645fa43f2ef11fb15b503b070a62a917e
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Based off of commit 6268a45b650f563bae2360e0540920a2959bdd40
Upstream-PR: https://github.com/NixOS/nix/pull/9656
Co-authored-by: Eelco Dolstra <edolstra@gmail.com>
Change-Id: I0fcf069a8537c61ad6fc4eee1f3c193a708ea1c4
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These names are parsed from the URL provided for that package
Based off of commit 257b768436a0e8ab7887f9b790c5b92a7fe51ef5
Upstream-PR: https://github.com/NixOS/nix/pull/8678
Co-authored-by: Felix Uhl <felix.uhl@outlook.com>
Change-Id: I76d5f9cfb11d3d2915b3dd1db21d7bb49e91f4fb
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nix3-profile automatically migrates any profile its used on to its style
of profile -- the ones with manifest.json instead of manifest.nix. On
non-NixOS systems, Nix is conventionally installed to the profile at
/nix/var/nix/profiles/default, so if a user passed that to `--profile`
of `nix profile`, then it would break upgrade-nix from ever working
again, without recreating the profile.
This commit fixes that, and allows upgrade-nix to work on either kind of
profile.
Fixes #16.
Change-Id: I4c49b1beba93bb50e8f8a107edc451affe08c3f7
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Notably, ProfileManifest and ProfileElement are useful generic
profile management code, and nix profile is not the only place in the
codebase where profiles are relevant.
This commit is in preparation for fixing upgrade-nix's interaction with
new-style profiles.
Change-Id: Iefc8bbd34b4bc6012175cb3d6e6a8207973bc792
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these seem to have been forgotten.
Change-Id: I6a084827d087f8098c19b62f2060a874d87202a1
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Previously, errors while printing values in `nix repl` would be printed
in `«error: ...»` brackets rather than displayed normally:
```
nix-repl> legacyPackages.aarch64-darwin.pythonPackages.APScheduler
«error: Package ‘python-2.7.18.7’ in /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/pkgs/development/interpreters/python/cpython/2.7/default.nix:335 is marked as insecure, refusing to evaluate.»
```
Now, errors will be displayed normally if they're emitted at the
top-level of an expression:
```
nix-repl> legacyPackages.aarch64-darwin.pythonPackages.APScheduler
error:
… in the condition of the assert statement
at /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/lib/customisation.nix:268:17:
267| in commonAttrs // {
268| drvPath = assert condition; drv.drvPath;
| ^
269| outPath = assert condition; drv.outPath;
… in the left operand of the OR (||) operator
at /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/pkgs/development/interpreters/python/passthrufun.nix:28:45:
27| if lib.isDerivation value then
28| lib.extendDerivation (valid value || throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.") {} value
| ^
29| else
(stack trace truncated; use '--show-trace' to show the full trace)
error: Package ‘python-2.7.18.7’ in /nix/store/6s0m1qc31zw3l3kq0q4wd5cp3lqpkq0q-source/pkgs/development/interpreters/python/cpython/2.7/default.nix:335 is marked as insecure, refusing to evaluate.
```
Errors emitted in nested structures (like e.g. when printing `nixpkgs`)
will still be printed in brackets.
Change-Id: I25aeddf08c017582718cb9772a677bf51b9fc2ad
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Change-Id: I9487f5832160c1093d8752f883c1be85f8310e0f
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Adds a `repl-overlays` option, which specifies files that can overlay
and modify the top-level bindings in `nix repl`. For example, with the
following contents in `~/.config/nix/repl.nix`:
info: final: prev: let
optionalAttrs = predicate: attrs:
if predicate
then attrs
else {};
in
optionalAttrs (prev ? legacyPackages && prev.legacyPackages ? ${info.currentSystem})
{
pkgs = prev.legacyPackages.${info.currentSystem};
}
We can run `nix repl` and use `pkgs` to refer to `legacyPackages.${currentSystem}`:
$ nix repl --repl-overlays ~/.config/nix/repl.nix nixpkgs
Lix 2.90.0
Type :? for help.
Loading installable 'flake:nixpkgs#'...
Added 5 variables.
Loading 'repl-overlays'...
Added 6 variables.
nix-repl> pkgs.bash
«derivation /nix/store/g08b5vkwwh0j8ic9rkmd8mpj878rk62z-bash-5.2p26.drv»
Change-Id: Ic12e0f2f210b2f46e920c33088dfe1083f42391a
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Change-Id: Ia1a72348336794b5fb9f2694dd750266089b904e
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package.nix previously needed this callPackage'd externally, which
didn't make a lot of sense to us since this is an internal dependency.
Thus we changed it to make it more self contained.
Change-Id: I4935bc0bc80e1a132bc9b1519e917791da95037c
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`:print` strings directly in `nix repl`
(cherry picked from commit 3539172fd2f7cee639ce46423c58beca4231f2db)
Change-Id: I1972f3bf3b56312851f38288509d371d37f21677
Upstream-PR: https://github.com/NixOS/nix/pull/10208
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For a long time `nix repl` has supported displaying documentation set on
builtins, however, it has long been convention to use Markdown comments
on Nix functions themselves for documentation. This exposes that
information to `nix repl` users in a nice and formatted way.
NixOS/rfcs#145 doc-comments are primarily what this feature is intended
to consume, however, support for lambda documentation in the repl is
experimental. We do our best effort to support the RFC here.
These changes are based on [the nix-doc library](https://github.com/lf-/nix-doc) and
are licensed under the terms described in the relevant source files.
Change-Id: Ic6fe947d39a22540705d890737e336c4720b0a22
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Forbid nested debuggers
(cherry picked from commit e164b39ee90fd655dbb7f479fdd4fbe38cc883bd)
Change-Id: Iff62f40fd251116516a63e2d3f9fb5b21480b16d
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Without this, the Meson setup won't bail out if nlohmann_json is
missing, leading to subpar DX (and maybe worse, but I'm not entirely
sure).
Change-Id: I5913111060226b540dcf003257c99a08e84da0de
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Change-Id: I14b9d81d09f188eacfb9c68bcfb84751c18e3779
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