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367 Commits

Author SHA1 Message Date
Robert Hensing
51357572f2
Merge pull request #269552 from adisbladis/lib-matchattrs-list-allocs 
lib.attrsets.matchAttrs: Avoid some list allocations when walking structure
 2023-11-27 14:44:37 +01:00
adisbladis
013a0a1357 lib.attrsets.matchAttrs: Avoid some list allocations when walking structure 
Benchmarks (`nix-instantiate ./. -A python3`):

- Before:
``` json
{
  "cpuTime": 0.29049500823020935,
  "envs": {
    "bytes": 4484216,
    "elements": 221443,
    "number": 169542
  },
  "gc": {
    "heapSize": 402915328,
    "totalBytes": 53086800
  },
  "list": {
    "bytes": 749424,
    "concats": 4242,
    "elements": 93678
  },
  "nrAvoided": 253991,
  "nrFunctionCalls": 149848,
  "nrLookups": 49612,
  "nrOpUpdateValuesCopied": 1587837,
  "nrOpUpdates": 10104,
  "nrPrimOpCalls": 130356,
  "nrThunks": 358981,
  "sets": {
    "bytes": 30423600,
    "elements": 1859999,
    "number": 41476
  },
  "sizes": {
    "Attr": 16,
    "Bindings": 16,
    "Env": 16,
    "Value": 24
  },
  "symbols": {
    "bytes": 236145,
    "number": 24453
  },
  "values": {
    "bytes": 10502520,
    "number": 437605
  }
}
```

- After:
``` json
{
  "cpuTime": 0.2946169972419739,
  "envs": {
    "bytes": 3315224,
    "elements": 172735,
    "number": 120834
  },
  "gc": {
    "heapSize": 402915328,
    "totalBytes": 48718432
  },
  "list": {
    "bytes": 347568,
    "concats": 4242,
    "elements": 43446
  },
  "nrAvoided": 173252,
  "nrFunctionCalls": 101140,
  "nrLookups": 73595,
  "nrOpUpdateValuesCopied": 1587837,
  "nrOpUpdates": 10104,
  "nrPrimOpCalls": 83067,
  "nrThunks": 304216,
  "sets": {
    "bytes": 29704096,
    "elements": 1831673,
    "number": 24833
  },
  "sizes": {
    "Attr": 16,
    "Bindings": 16,
    "Env": 16,
    "Value": 24
  },
  "symbols": {
    "bytes": 236145,
    "number": 24453
  },
  "values": {
    "bytes": 8961552,
    "number": 373398
  }
}
```
 2023-11-27 11:20:50 +13:00
adisbladis
4b4d413817 lib.meta: Avoid attrset allocation in platformMatch 
Benchmarks (`nix-instantiate ./. -A python3`)

- Before
``` json
{
  "cpuTime": 0.30625399947166443,
  "envs": {
    "bytes": 4484216,
    "elements": 221443,
    "number": 169542
  },
  "gc": {
    "heapSize": 402915328,
    "totalBytes": 53091024
  },
  "list": {
    "bytes": 749424,
    "concats": 4242,
    "elements": 93678
  },
  "nrAvoided": 253991,
  "nrFunctionCalls": 149848,
  "nrLookups": 49614,
  "nrOpUpdateValuesCopied": 1588326,
  "nrOpUpdates": 10106,
  "nrPrimOpCalls": 130356,
  "nrThunks": 359013,
  "sets": {
    "bytes": 30432320,
    "elements": 1860540,
    "number": 41480
  },
  "sizes": {
    "Attr": 16,
    "Bindings": 16,
    "Env": 16,
    "Value": 24
  },
  "symbols": {
    "bytes": 236218,
    "number": 24459
  },
  "values": {
    "bytes": 10504632,
    "number": 437693
  }
}
```

- After
```
{
  "cpuTime": 0.29695799946784973,
  "envs": {
    "bytes": 3296712,
    "elements": 169055,
    "number": 121517
  },
  "gc": {
    "heapSize": 402915328,
    "totalBytes": 49044992
  },
  "list": {
    "bytes": 504928,
    "concats": 4242,
    "elements": 63116
  },
  "nrAvoided": 175403,
  "nrFunctionCalls": 110554,
  "nrLookups": 44907,
  "nrOpUpdateValuesCopied": 1588326,
  "nrOpUpdates": 10106,
  "nrPrimOpCalls": 82330,
  "nrThunks": 306625,
  "sets": {
    "bytes": 29943328,
    "elements": 1843076,
    "number": 28382
  },
  "sizes": {
    "Attr": 16,
    "Bindings": 16,
    "Env": 16,
    "Value": 24
  },
  "symbols": {
    "bytes": 236218,
    "number": 24459
  },
  "values": {
    "bytes": 9037752,
    "number": 376573
  }
}
```
 2023-11-25 11:05:23 +13:00
Silvan Mosberger
ff562fa5fc
Merge pull request #266443 from amjoseph-nixpkgs/pr/lib-tests-no-aws-sdk 2023-11-19 06:17:18 +01:00
Adam Joseph
54c9a08aaf lib.tests: build nix without flaky aws-sdk-cpp 
The aws-sdk-cpp tests are flaky.

Since pull requests to staging cause nix to be rebuilt, this means
that staging PRs end up getting false CI failures due to whatever is
flaky in the AWS SDK tests.  Since none of our CI needs to (or
should be able to) contact AWS S3, let's just omit it all.  Bonus:
the tests build way faster.
 2023-11-18 20:19:10 -08:00
Silvan Mosberger
2dfb1d36cf lib.fileset.gitTracked/gitTrackedWith: init 
A configuration parameter for gitTrackedWith will be introduced in the
next commit
 2023-11-16 01:12:15 +01:00
Felix Buehler
66261e9961 lib.lists.allUnique: init 2023-11-14 19:52:32 +01:00
Silvan Mosberger
17012aa0d2
Merge pull request #261676 from h7x4/lib-add-replicatestring 
lib.strings: add `replicate`
 2023-11-07 18:29:31 +01:00
Silvan Mosberger
add254658a lib.filesystem: Don't test Nix-specific error messages 
In https://github.com/NixOS/nix/pull/9269 the error messages change
which would've broken this test.
 2023-11-01 18:56:03 +01:00
h7x4
206d20426c
lib.strings: add replicate 
`strings.replicate` returns n copies of a string, concatenated into a new
string

Co-authored-by: Silvan Mosberger <github@infinisil.com>
 2023-10-31 20:25:41 +01:00
Silvan Mosberger
e55ee23bf6
Merge pull request #260971 from Gerg-L/getExe 
lib.getExe': check arguments
 2023-10-31 17:29:15 +01:00
Gerg-L
d2161d0632
lib/tests: add tests for getExe' and getExe 2023-10-16 20:29:28 -04:00
Silvan Mosberger
302ec1a3cf
Merge pull request #258866 from schuelermine/mkPackageOptionV4 
lib/options: mkPackageOption: document better, add pkgsText and usePname options, refactor
 2023-10-16 20:40:48 +02:00
Robert Hensing
0a10279342 lib.makeOverridable: fix functionArgs on returned function 2023-10-11 22:56:53 +02:00
Silvan Mosberger
5323fbf703
Merge pull request #254452 from flyingcircusio/lib-attrsToList 
lib.attrsets.attrsToList: add function
 2023-10-10 19:49:17 +02:00
Oliver Schmidt
d70633f91c lib.attrsets.attrsToList: add function 
For transforming back between lists and attrsets, it makes sense to have
a quasi-inverse of `builtins.listToAttrs` available as a library
function.

Co-authored-by: Silvan Mosberger <github@infinisil.com>
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
 2023-10-10 16:11:01 +02:00
Anselm Schüler
55ab538abf
lib/tests: add test for pkgsText parameter and package set selection of mkPackageOption 2023-10-10 13:13:38 +02:00
Anselm Schüler
d27d38c13a
lib/tests: add more tests for mkPackageOption 2023-10-06 14:08:46 +02:00
linsui
a50cea84be lib.gvariant: make the tests really work 2023-09-28 16:30:05 +02:00
Silvan Mosberger
dd72ff27f7 lib.attrsets.foldlAttrs: Make stricter 
See the parent commit for the same change to lib.lists.foldl'
 2023-09-27 02:43:59 +02:00
Silvan Mosberger
3b6169f87b lib.lists.foldl': Make strict in the initial accumulator 
To maintain backwards compatibility, this can't be changed in the Nix language.
We can however ensure that the version Nixpkgs has the more intuitive behavior.
 2023-09-27 02:43:59 +02:00
Silvan Mosberger
9893fee947 lib.lists.foldl': Add tests 2023-09-26 18:55:54 +02:00
Robert Hensing
00e5487906
Merge pull request #249243 from lf-/jade/declarationsWithLocations 
nixos/modules: Add declarationPositions
 2023-09-17 19:43:07 +02:00
Robert Helgesson
54bc9b45a3
Merge pull request #250220 
lib.generators.toGitINI: escape string values in configuration
 2023-09-11 23:44:42 +02:00
Jade Lovelace
a1d3882307 nixos/modules: Add declarationPositions 
What it does: line and column level *declaration* position information:

$ nix repl .
nix-repl> :p nixosConfigurations.micro.options.environment.systemPackages.declarationPositions
[ { column = 7; file = "/nix/store/24aj3k7fgqv3ly7qkbf98qvphasrw9nb-source/nixos/modules/config/system-path.nix"; line = 63; } ]

Use cases:
- ctags over NixOS options, as will be presented at NixCon 2023 ;)
- improving the documentation pages to go to the exact line of the
  declarations.

Related work:
- https://github.com/NixOS/nixpkgs/pull/65024

  This one does it for all *definitions* rather than declarations, and
  it was not followed through with due to performance worries.
- https://github.com/NixOS/nixpkgs/pull/208173

  The basis for this change. This change is just a rebase of that one.
  I split it out to add the capability before adding users of it, in
  order to simplify review. However, the ctags script in there is a
  sample user of this feature.

Benchmarks: conducted by evaluating my own reasonably complex NixOS
configuration with the command:
`hyperfine -S none -w 1 -- "nix eval .#nixosConfigurations.snowflake.config.system.build.toplevel.outPath"`

```
Benchmark 1: nix eval .#nixosConfigurations.snowflake.config.system.build.toplevel.outPath
  Time (mean ± σ):      8.971 s ±  0.254 s    [User: 5.872 s, System: 1.388 s]
  Range (min … max):    8.574 s …  9.327 s    10 runs

Benchmark 1: nix eval .#nixosConfigurations.snowflake.config.system.build.toplevel.outPath
  Time (mean ± σ):      8.766 s ±  0.160 s    [User: 5.873 s, System: 1.346 s]
  Range (min … max):    8.496 s …  9.033 s    10 runs
```

Summary of results: it seems to be in the noise, this does not cause any
visible regression in times.
 2023-09-08 11:48:40 +02:00
Silvan Mosberger
d66929b7b1
Merge pull request #245623 from tweag/fileset.toSource 
File set combinators base: `lib.fileset.toSource`
 2023-09-02 04:07:02 +02:00
Silvan Mosberger
465e05c0c5 lib.fileset.toSource: init 2023-09-01 15:46:04 +02:00
Jan Tojnar
434d160d7c
Merge pull request #234615 from linsui/dconf 
nixos/dconf: support generating from attrs
 2023-08-28 18:31:52 +02:00
VwCSXg
147560180c lib.generators.toGitINI: added test 
Added basic generators.toGitINI test.
Mostly taken from 958c06303f/tests/modules/programs/git/git.nix.
The ${"\t} escape is used so that the lines aren't recognized as "Wrong
indent style".
 2023-08-21 13:12:40 +02:00
Robert Hensing
5ad01f1b6f lib/modules: Report a better error when option tree has bare type 
Improves on 0d472a6201
- https://github.com/NixOS/nixpkgs/pull/242339

We actually do have the file name.

Thanks Shawn8901 for the [feedback]!

feedback: https://github.com/NixOS/nixpkgs/pull/242339#issuecomment-1683107055
 2023-08-18 11:36:51 +02:00
linsui
da614d98e9 lib/gvariant: init 2023-08-15 19:20:39 +08:00
Silvan Mosberger
8fab18d4c1 lib.removePrefix: Add tests 2023-08-14 23:29:00 +02:00
Silvan Mosberger
87c5a6a84f
Merge pull request #243511 from tweag/lib.lists.hasPrefix 
`lib.lists.{hasPrefix,removePrefix}`: init
 2023-08-14 21:15:54 +02:00
Robert Hensing
0d472a6201 lib/modules: Report a good error when option tree has bare type 
Note that this removes the possibility of declaring an option
named `_type`.
 2023-08-14 10:44:56 +02:00
Robert Hensing
53b289836b
Merge pull request #243139 from hercules-ci/modules-test-default-argument 
lib/tests/modules: Test that _module.args works when a default argume…
 2023-08-02 20:12:37 +02:00
Robert Hensing
19f1d7da06
Merge pull request #245271 from sternenseemann/module-system-merge-no-type 
lib/modules: handle typeless options in mergeModules
 2023-07-27 10:55:08 +02:00
sternenseemann
9c35f44999 lib/modules: handle typeless options in mergeModules 
mkOption does not require a `type` argument and does not set the
resulting attribute if it is not given. Consequently, we need to be
prepared to merge options that have no type information.
 2023-07-26 23:58:04 +02:00
Silvan Mosberger
bd74cdfb2e
Merge pull request #243520 from tweag/lib.lists.commonPrefix 
`lib.lists.{findFirstIndex,commonPrefix}`: init
 2023-07-26 23:14:58 +02:00
Silvan Mosberger
7f61b01600 lib.lists.commonPrefix: init 2023-07-20 22:42:01 +02:00
Silvan Mosberger
53dcfd24ad lib.lists.findFirstIndex: init 
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
 2023-07-19 17:35:28 +02:00
Robert Hensing
0665253b86
Merge pull request #244044 from tweag/lib-readme 
Create a Readme in `lib`
 2023-07-19 16:34:36 +02:00
Silvan Mosberger
fa503f4b92 lib.attrsets.mergeAttrsList: init 
Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
 2023-07-18 20:27:15 +02:00
Silvan Mosberger
581d7c88be lib/tests: Unify documentation of individual testable files 2023-07-18 17:22:45 +02:00
Silvan Mosberger
9fdc0bb2bf lib.lists.removePrefix: init 2023-07-14 19:36:46 +02:00
Silvan Mosberger
bc8fbc2572 lib.lists.hasPrefix: init 2023-07-14 19:36:45 +02:00
Robert Hensing
72f2c8d6c6 lib/tests/modules: Test that _module.args works when a default argument is set 2023-07-12 21:54:57 +02:00
Robert Hensing
8014460c4d lib.mergeModules: Add context to error message 2023-07-11 13:03:52 +02:00
Ryan Burns
2964b720de
Merge pull request #240825 from r-burns/mips-embedded 
lib.platforms.mips{,64}-embedded: init
 2023-07-05 21:26:47 -07:00
Naïm Favier
f66b401fa3
lib/tests: invalidate hashes 
Having the current bash hash present in the nixpkgs tree makes Nix
detect bash as a runtime dependency of nixpkgs, which in turns messes up
`fetchFromGitHub` due to https://github.com/NixOS/nix/issues/6660
 2023-07-05 11:31:58 +02:00
Ryan Burns
c8ae88d97b lib.platforms.mips{,64}-embedded: init 2023-06-30 18:19:00 -07:00