Commit graph

87 commits

Author SHA1 Message Date
Profpatsch 07eb21ceaf
Merge pull request #78337 from Profpatsch/lib-improve-cli-module
lib: improve cli module
2020-01-24 21:05:53 +01:00
Profpatsch 88a7f65c83 lib/cli: unexport symbols & sort with generators
lib/cli is very similar to generators, so it should follow largely the
same interface. Similar to how generators isn’t exported, we should
also namespace cli by default (plus “cli” is only three characters to
type).
2020-01-23 14:47:38 +01:00
Franz Pletz 46773a15b3
nixos/version: fix case where .git is a symlink
Before c9214c394b and
9d396d2e42 if .git is symlink the version
would gracefully default to no git revision. With those changes an
exception is thrown instead.

This introduces a new function `pathIsGitRepo` that checks if
`commitIdFromGitRepo` fails without error so we don't have to
reimplement this logic again and can fail gracefully.
2020-01-20 00:53:44 +01:00
Robert Hensing 8da81465c1
Merge pull request #75539 from Gabriel439/gabriel/renderOptions
Add `pkgs.lib.encodeGNUCommandLine`
2020-01-14 12:04:05 +01:00
elseym c9214c394b
lib.commitIdFromGitRepo: support git-worktree
lib.commitIdFromGitRepo now resolves the refs from the
parent repository in case the supplied path is a file
containing the path to said repository. this adds support
for git-worktree and things alike. see gitrepository-layout(5).

this also:
- adds a new boolean function lib.pathIsRegularFile to
  check whether a path is a regular file
- patches lib.revisionWithDefault and
  the revision and versionSuffix attributes in
  config.system.nixos in order to support git-worktrees
2020-01-10 22:29:48 +01:00
Silvan Mosberger de5f73d434
lib/modules: Recursive disabledModules
With this change, disabledModules applies recursively, meaning if you
have a module "foo.nix" with

    imports = [ ./bar.nix ];

then setting

  disabledModules = [ "foo.nix" ];

will disable both "foo.nix" and "bar.nix", whereas previously only
"foo.nix" would be disabled.

This change along with https://github.com/NixOS/nixpkgs/pull/61570 allows
modules to be fully disabled even when they have some `mkRenamedOption`
imports.
2020-01-09 17:26:05 +01:00
Gabriel Gonzalez a46679facd
Export toGNUCommandLine
... as suggested by @roberth

Co-Authored-By: Robert Hensing <roberth@users.noreply.github.com>
2020-01-05 14:44:42 -08:00
Silvan Mosberger 5414b4018b
lib/modules: Don't pack submodules specially
This has the beneficial side effect of allowing paths to be used as modules in
types.{submodule,submoduleWith}
2020-01-01 01:13:03 +01:00
Gabriel Gonzalez 8c6a05c8c9 Rename renderOptions to encodeGNUCommandLine
... as suggested by @edolstra
2019-12-13 18:19:24 -08:00
Gabriel Gonzalez 183a99734f Add pkgs.lib.renderOptions
This adds a new utility to intelligently convert Nix records to
command line options to reduce boilerplate for simple use cases and to
also reduce the likelihood of malformed command lines
2019-12-11 16:30:05 -08:00
John Ericson d0d5136cce Merge remote-tracking branch 'upstream/master' into wrapper-pname-support 2019-11-24 17:25:07 +00:00
John Ericson 84a105254d lib: Add getName to mirror getVersion 2019-11-24 16:24:50 +00:00
Profpatsch 8252861507 lib/trivial: add pipe function
`pipe` is a useful operator for creating pipelines of functions.

It works around the usual problem of e.g. string operations becoming
deeply nested functions.

In principle, there are four different ways this function could be
written:

pipe val [ f1 .. fn ]
pipe val [ fn .. f1 ]
compose [ f1 .. fn ] val
compose [ fn .. f1 ] val

The third and fourth form mirror composition of functions, they would
be the same as e.g. `(f1 << f2 << f3 .. << fn) val`.
However, it is not clear which direction the list should have (as one
can see in the second form, which is the most absurd.

In order not to confuse users, we decide for the most “intuitive”
form, which mirrors the way unix pipes work (thus the name `pipe`).
The flow of data goes from left to right.

Co-Authored-By: Silvan Mosberger <infinisil@icloud.com>
2019-10-21 13:19:16 +02:00
Joachim Fasting fd3052901c
lib/versions: expose splitVersion 2019-09-26 17:42:42 +02:00
danbst 210c57883e and one more place 2019-08-05 14:14:40 +03:00
danbst 69920dafbf lib: introduce foreach = flip map
The main purpose is to bring attention to `flip map`, which improves
code readablity. It is useful when ad-hoc anonymous function
grows two or more lines in `map` application:

```
      map (lcfg:
        let port = lcfg.port;
            portStr = if port != defaultPort then ":${toString port}" else "";
            scheme = if cfg.enableSSL then "https" else "http";
        in "${scheme}://cfg.hostName${portStr}"
      ) (getListen cfg);
```
Compare this to `foreach`-style:
```
      foreach (getListen cfg) (lcfg:
        let port = lcfg.port;
            portStr = if port != defaultPort then ":${toString port}" else "";
            scheme = if cfg.enableSSL then "https" else "http";
        in "${scheme}://cfg.hostName${portStr}"
      );
```
This is similar to Haskell's `for` (http://hackage.haskell.org/package/base-4.12.0.0/docs/Data-Traversable.html#v:for)
2019-07-14 13:29:58 +03:00
Matthew Bauer a52e317200 check-meta: use system tuple in platforms
Fixes #60345
2019-04-30 12:59:03 -04:00
Corbin 5719f892e1 python: Make .isPyPy flag more accurate.
nix-repl> map (s: s.isPyPy) [ python python3 pypy pypy3 ]
[ false false true true ]
2019-04-09 20:41:08 +02:00
Jan Malakhovski 570aed4b46 lib: add showWarnings 2019-03-08 11:19:18 +02:00
(cdep)illabout 81fa1e392b lib/modules: Change mkAliasOptionModule to use the priority for the alias.
This commit changes the `mkAliasOptionModule` function to make sure that
the priority for the aliased option is propagated to the non-aliased
option.

This also affects the `mkRenamedOptionModule` function in a similar
fashion.

This also removes the `mkAliasOptionModuleWithPriority` function, since
its functionality is now subsumed by `mkAliasOptionModule`.

This change was recommended by @nbp:
https://github.com/NixOS/nixpkgs/pull/53397#discussion_r245487432
2019-01-24 13:02:16 +09:00
Michael Raskin 4d0e1b792f
Merge pull request #50561 from oxij/lib/setPrio
lib: implement `setPrio`
2019-01-18 08:23:31 +00:00
Nicolas B. Pierron a3beabf327
Merge pull request #53397 from cdepillabout/aliasoptionmodule-set-priority
lib/modules: Add function to create option alias that respects priority
2019-01-14 20:28:28 +01:00
Jörg Thalheim b75aff7202
Merge pull request #53754 from danbst/lib-fake-hashes
lib: add fake hashes
2019-01-10 17:56:09 +00:00
danbst 68a6b47b8c lib: add shortcuts for fake hashes (fakeSha256, fakeSha512)
Fake hashes can be used as placeholders for all the places, where
Nix expression requires a hash, but we don't yet have one.

This should be more convenient than following:
- echo|sha256sum, copy into clipboard, go to editor, paste into previously
  edited place
- search nixpkgs for a random package, copy it's hash to cliboard, go to
  editor, paste into previously edited place

Nix can add support for these fake hashes. In that case printed error should contain
only 1 hash, so no more problem "which of two hashes from error should I use?"

Idea by irc:Synthetica
2019-01-10 19:27:35 +02:00
(cdep)illabout b81b3ad1b0
lib/modules: Add a function to create an option alias that respects the priority
This commit adds a function `mkAliasOptionModuleWithPriority`.  This
function will make an alias to an existing option and copy over the
priority.

This functionality is needed for PRs like #53041.  In that case
`nixos-generate-config` added an option to `hardware-configuration.nix`
with `mkDefault`.  That option was then changed and an alias created for
the old name.

The end user should be able to set the non-alias option in their
`configuration.nix` and have everything work correctly.  Without this
function, the priority for the option won't be copied over correctly
and the end-user will get a message saying they have the same option
set to two different values.
2019-01-04 18:35:10 +09:00
Frederik Rietdijk 070290bda7 Merge master into staging-next 2018-12-31 12:00:36 +01:00
Frederik Rietdijk c6e043d57c Remove composableDerivation, closes #18763 2018-12-30 12:33:45 +00:00
volth fed7914539
Merge branch 'staging' into make-perl-pathd 2018-12-18 17:13:27 +00:00
volth bb9557eb7c lib.makePerlPath -> perlPackages.makePerlPath 2018-12-15 03:50:31 +00:00
Alyssa Ross 67b1265fb3
bundlerEnv: ensure dependencies always included
Suppose I have a Gemfile like this:

    source "https://rubygems.org"
    gem "actioncable"
    gem "websocket-driver", group: :test

The gemset.nix generated by Bundix 2.4.1 will set ActionCable's groups
to [ "default" ], and websocket-driver's to [ "test" ]. This means that
the generated bundlerEnv wouldn't include websocket-driver unless the
test group was included, even though it's required by the default group.

This is arguably a bug in Bundix (websocket-driver's groups should
probably be [ "default" "test" ] or just [ "default" ]), but there's no
reason bundlerEnv should omit dependencies even given such an input --
it won't necessarily come from Bundix, and it would be good for
bundlerEnv to do the right thing.

To fix this, filterGemset is now a recursive function, that adds
dependencies of gems in the group to the filtered gemset until it
stabilises on the gems that match the required groups, and all of their
recursive dependencies.
2018-12-11 21:26:07 +00:00
Jan Malakhovski 1b3629ef34 lib: implement setPrio
For when `hiPrio` and `lowPrio` are not enough.
2018-11-22 08:59:48 +00:00
Profpatsch efdf618330 lib: move assertMsg and assertOneOf to their own library file
Since the `assertOneOf` uses `lib.generators`, they are not really trivial
anymore and should go into their own library file.
2018-09-06 18:14:27 +02:00
Profpatsch 320cdecd16 lib/trivial: add assertOneOf 2018-09-06 18:14:27 +02:00
Profpatsch 0e2aa97f3a lib/trivial: add assertMsg 2018-09-06 18:14:27 +02:00
Aaron Andersen 74d446176e as requested:
- moved function into strings.nix
- renamed function from makePerl5Lib
- removed duplicates entries in the resulting value
- rewrote the function from scratch after learning a few things (much cleaner now)
2018-08-21 20:11:28 +02:00
volth 3c2bbe217c lib: bitAnd, bitOr, bitXor (bitsize-agnostic fallback function) (#41491)
* lib: bitAnd, bitOr, bitXor

* lib: test for bitAnd, bitOr, bitXor

* lib: bitsize-agnostic zipIntBits

* lib: bitNot

* lib: bitNot
2018-06-10 21:25:48 +02:00
volth 4e85c4ff27 lib: add groupBy (#38612) 2018-06-10 19:31:09 +02:00
Profpatsch f98272d6e2 Revert "lib: bitAnd, bitOr, bitXor" 2018-06-05 18:45:20 +02:00
volth 0addac3b0a lib: bitAnd, bitOr, bitXor 2018-06-01 21:36:31 +00:00
John Ericson 9e9cdd7027 lib: Add more configure flag helpers
Add with/without to match enable/disable, and add
`--{enable,with}-key=value` versions of both.
2018-05-11 17:43:35 +02:00
Maximilian Bosch 9274ea3903
treewide: rename version attributes
As suggested in https://github.com/NixOS/nixpkgs/pull/39416#discussion_r183845745
the versioning attributes in `lib` should be consistent to
`nixos/version` which implicates the following changes:

* `lib.trivial.version` -> `lib.trivial.release`
* `lib.trivial.suffix` -> `lib.trivial.versionSuffix`
* `lib.nixpkgsVersion` -> `lib.version`

As `lib.nixpkgsVersion` is referenced several times in `NixOS/nixpkgs`,
`NixOS/nix` and probably several user's setups. As the rename will cause
a notable impact it's better to keep `lib.nixpkgsVersion` as alias with
a warning yielded by `builtins.trace`.
2018-04-28 14:23:53 +02:00
Profpatsch a455637d28 lib/debug: remove the deprecated strict function
The grace period was long enough.
2018-04-27 18:59:39 +02:00
Profpatsch a5f6cdfd7e lib/debug: add traceValFn, traceValSeqFn, traceValSeqNFn
Being able to modify the value on-the-fly before printing is very useful in
practice.
2018-04-27 18:59:39 +02:00
Jörg Thalheim 0fe11dbedd
Merge pull request #38611 from volth/nat-sort
lib: add naturalSort
2018-04-08 22:44:15 +01:00
volth 25c2fd80b1 lib: add naturalSort 2018-04-08 13:18:13 +00:00
Silvan Mosberger e1dee4efcb lib: make extensible
This allows the lib fixed point to be extended with

  myLib = lib.extend (self: super: {
    foo = "foo";
  })

With this it's possible to have the new modified lib attrset available to all
modules when using evalModules

  myLib.evalModules {
    modules = [ ({ lib, ... }: {
      options.bar = lib.mkOption {
	default = lib.foo;
      };
    }) ];
  }

  => { config = { bar = "foo"; ... }; options = ...; }
2018-04-07 13:21:49 -04:00
John Ericson 2fa2197a96
Merge pull request #34444 from obsidiansystems/meta-check
lib: Fix #30902
2018-03-18 13:51:03 -04:00
John Ericson c26252af3e lib, stdenv: Check meta.platforms against host platform and be open world
First, we need check against the host platform, not the build platform.
That's simple enough.

Second, we move away from exahustive finite case analysis (i.e.
exhaustively listing all platforms the package builds on). That only
work in a closed-world setting, where we know all platforms we might
build one. But with cross compilation, we may be building for arbitrary
platforms, So we need fancier filters. This is the closed world to open
world change.

The solution is instead of having a list of systems (strings in the form
"foo-bar"), we have a list of of systems or "patterns", i.e. attributes
that partially match the output of the parsers in `lib.systems.parse`.
The "check meta" logic treats the systems strings as an exact whitelist
just as before, but treats the patterns as a fuzzy whitelist,
intersecting the actual `hostPlatform` with the pattern and then
checking for equality. (This is done using `matchAttrs`).

The default convenience lists for `meta.platforms` are now changed to be
lists of patterns (usually a single pattern) in
`lib/systems/for-meta.nix` for maximum flexibility under this new
system.

Fixes #30902
2018-03-15 00:44:34 -04:00
Jan Malakhovski 610b5b8045 rename lib/maintainers-list.nix into maintainers/maintainer-list.nix
Many commits unrelated to `lib` touch that file, this will make `git log ./lib` much saner.

This is what I meant in https://github.com/NixOS/nixpkgs/pull/36119#issuecomment-370184101.
2018-03-06 14:15:21 +00:00
Jörg Thalheim 73774ef8f9
Merge pull request #36168 from ryantm/majorminor
a single version attribute for expressions previously using "majorVersion"
2018-03-04 20:06:48 +00:00