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Author SHA1 Message Date
Matt Sturgeon aad87c2aa8
lib.strings: add trim and trimWith 
`strings.trim` returns a copy of the string with all leading and trailing
whitespace removed.

`strings.trimWith` does the same thing, but calling code can decide
whether to trim the start and/or end of the string.
 2024-07-25 23:43:33 +01:00
Silvan Mosberger 7c6692836e
Merge pull request #149990 from ShamrockLee/lib-spdx-license 2024-07-25 22:27:10 +02:00
Yueh-Shun Li 10d2e6c906 lib.getLicenseFromSpdxIdOr: init 
Add lib.meta.getLicenseFromSpdxIdOr as a variant of
lib.meta.getLicenseFromSpdxId that explicitly state the default
(fallback) value if there's no license matching the given SPDX ID.
 2024-06-30 02:59:58 +08:00
lucasew 52cc703bba lib: add fromHexString 
Co-authored-by: lucasew <lucas59356@gmail.com>
 2024-06-28 20:53:53 +03:00
Rob Pilling 9c9c3848d4 cli.nix: permit separators between args -> -a=b, --xyz=abc, etc 2024-05-22 07:58:26 +01:00
Silvan Mosberger 6861ef7707 lib.lists.ifilter0: init 2024-04-22 18:33:14 +02:00
Gabriel Volpe 7b687a59cd
lib/tests: apply lints 2024-04-15 19:18:41 +02:00
Gabriel Volpe fe2bead78b
lib/attrsets: introduce mapCartesianProduct 2024-04-15 19:16:15 +02:00
Gabriel Volpe 10517cf9ab
tree-wide: use cartesianProduct 2024-04-15 19:13:22 +02:00
Silvan Mosberger a448a21521
Merge pull request #301556 from edef1c/lib-xor 
lib: add xor
 2024-04-04 22:03:53 +02:00
edef 725bb4e48c lib: add xor 
This gets clumsily reimplemented in various places, to no useful end.
 2024-04-04 19:46:58 +00:00
Johannes Kirschbauer c0f5f271d1
doc: migrate trivial files to doc-comment format (#299986) 
* doc: migrate trivial files to doc-comment format

* fix: revert some comments

* Apply suggestions from code review

Thanks @danielSidhion

Co-authored-by: Daniel Sidhion <DanielSidhion@users.noreply.github.com>

* Update lib/types.nix

---------

Co-authored-by: Daniel Sidhion <DanielSidhion@users.noreply.github.com>
Co-authored-by: Silvan Mosberger <github@infinisil.com>
 2024-04-04 16:36:07 +02:00
Florian Richer 3b883d3cdf
lib/strings: Add makeIncludePath (#296237) 
* Update strings.nix

* Fix typo in docs

* Update lib/strings.nix

Co-authored-by: lolbinarycat <dogedoge61+github@gmail.com>

* Update lib/strings.nix

Co-authored-by: lolbinarycat <dogedoge61+github@gmail.com>

* Add unit test with strings

* Move test to strings

* Add unit test with package structure

* testMakeIncludePathWithPkgs: use real pkgs

* Revert "testMakeIncludePathWithPkgs: use real pkgs"

This reverts commit fb1850c069.

* Update lib/tests/misc.nix

Co-authored-by: lolbinarycat <dogedoge61+github@gmail.com>

* Update lib/tests/misc.nix

Co-authored-by: Silvan Mosberger <github@infinisil.com>

---------

Co-authored-by: lolbinarycat <dogedoge61+github@gmail.com>
Co-authored-by: Silvan Mosberger <github@infinisil.com>
 2024-04-02 19:01:05 +02:00
Philip Taron c8a8550c28
Avoid top-level with in lib/tests/misc.nix 2024-03-11 16:30:31 -07:00
Silvan Mosberger fc3cc21d2a
Merge pull request #292209 from hercules-ci/lazyDerivation-multi-output 
lib.lazyDerivation: Support multi-output derivations
 2024-03-06 17:14:33 +01:00
Robert Hensing 612dcbe11e lib.lazyDerivation: Support multi-output derivations 2024-02-29 12:37:52 +01:00
Andrew Childs 741377b300 lib/customization: propagate function arguments in callPackagesWith 
makeOverridable is very careful to ensure the arguments to the
overridden function are the same as the input function. As a result,
the arguments of hello.override are exactly the same as the original
arguments of the hello function that produced the derivation.

However, callPackagesWith calls makeOverridable with a lambda that
does not propagate the arguments. The override function for a package
instantiated with callPackagesWith will not have the original
arguments.

For example:

    nix-repl> lib.functionArgs hello.override
    { callPackage = false; fetchurl = false; hello = false; lib = false; nixos = false; stdenv = false; testers = false; }

    nix-repl> lib.functionArgs openssl.override
    { }

By copying the arguments onto the inner lambda before passing it to
makeOverridable, we can make callPackage and callPackages behave the
same.

    nix-repl> lib.functionArgs openssl.override
    { buildPackages = false; coreutils = false; cryptodev = false; enableSSL2 = true; enableSSL3 = true; fetchurl = false; lib = false; perl = false; removeReferencesTo = false; static = true; stdenv = false; withCryptodev = true; withPerl = true; }
 2024-02-28 15:29:08 +02:00
Shea Levy ca1262a483
lib: Add optionalDrvAttr to conditionally set drv attributes. 
This allows for adding new, conditionally set, derivation attributes
to an existing derivation without changing any output paths in the
case where the condition is not met.
 2024-02-02 16:27:30 -05:00
Robert Hensing 6f4d0b5261 lib.types: Improve descriptions of composed types that have commas 
Type:   either ints.positive (enum ["auto"])
Before: positive integer, meaning >0 or value "auto" (singular enum)
After:  positive integer, meaning >0, or value "auto" (singular enum)
 2023-12-23 11:40:27 +01:00
Silvan Mosberger cf47b9a5c0
Merge pull request #270537 from 9999years/packagesFromDirectory 
lib.packagesFromDirectoryRecursive: init
 2023-12-19 22:03:01 +01:00
Rebecca Turner 090b929b8a
lib.packagesFromDirectoryRecursive: init 
Co-authored-by: Gabriella Gonzalez <GenuineGabriella@gmail.com>
 2023-12-19 09:48:17 -08:00
Robert Hensing 7d993b9521 lib.attrsets.hasAttrByPath: Document law and laziness, and test it 2023-12-08 23:19:09 +01:00
Robert Hensing 72bd4bbb58 lib.attrsets.longestValidPathPrefix: init 
Allows finding the most specific path that exists.
This is useful for error messages relating to attribute paths.
 2023-12-08 23:15:13 +01:00
Robert Hensing 67cc78643d lib.sortOn: init 
A more efficient sort in some cases, and often convenient.

This exposes `lib.lists.sortOn` immediately on `lib`, because it is
a sibling of `sort`, which is already present there.
Omitting it would lead to more confusion, and worse outcomes.
There's no confusion about the types `sort` or `sortOn` operate on.

Haskell agrees about the type for `sortOn`, and it is in its `base`.
 2023-12-08 22:15:29 +01:00
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
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
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
Gerg-L d2161d0632
lib/tests: add tests for getExe' and getExe 2023-10-16 20:29:28 -04:00
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
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
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
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
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
Silvan Mosberger 9790e70150 lib.list.findFirst: Make lazier 
There's no need to evaluate list elements after a matching element
 2023-06-06 17:17:32 +02:00
Silvan Mosberger 6996f76885 lib/tests: Add findFirst tests 2023-06-06 17:06:18 +02:00