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nixpkgs/lib/default.nix

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/lib/default.nix: Add file docstring & unit test hint
2017-03-30 20:03:40 +00:00
/* Library of low-level helper functions for nix expressions.
*
* Please implement (mostly) exhaustive unit tests
lib: Fix mismatched quotes in `lib.*` doc comments caused problems for automated rich text generation such as https://teu5us.github.io/nix-lib.html#customisation-functions
2023-01-01 21:51:54 +00:00
* for new functions in `./tests.nix`.
/lib/default.nix: Add file docstring & unit test hint
2017-03-30 20:03:40 +00:00
*/
lib/default.nix: reorder imports for clarity Group imports according to the kind of functions they contain, in a more descriptive manner.
2016-09-14 23:21:42 +00:00
let
* Put utility functions like fold in lib/default.nix. svn path=/nixpkgs/trunk/; revision=6605
2006-09-25 10:07:59 +00:00
lib: Add composeManyExtensions
2020-11-11 02:36:19 +00:00
inherit (import ./fixed-points.nix { inherit lib; }) makeExtensible;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
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 = ...; }
2018-04-06 16:51:10 +00:00
lib = makeExtensible (self: let
callLibs = file: import file { lib = self; };
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
in {
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
# often used, or depending on very little
trivial = callLibs ./trivial.nix;
fixedPoints = callLibs ./fixed-points.nix;
# datatypes
attrsets = callLibs ./attrsets.nix;
lists = callLibs ./lists.nix;
strings = callLibs ./strings.nix;
stringsWithDeps = callLibs ./strings-with-deps.nix;
# packaging
customisation = callLibs ./customisation.nix;
lib: Add lazyDerivation
2022-06-25 11:53:02 +00:00
derivations = callLibs ./derivations.nix;
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.
2018-03-04 03:09:35 +00:00
maintainers = import ../maintainers/maintainer-list.nix;
lib: Add lib.teams Also add a freedesktop maintainer group as an example.
2019-10-27 21:44:24 +00:00
teams = callLibs ../maintainers/team-list.nix;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
meta = callLibs ./meta.nix;
lib: add versions library
2018-03-03 04:26:32 +00:00
versions = callLibs ./versions.nix;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
# module system
modules = callLibs ./modules.nix;
options = callLibs ./options.nix;
types = callLibs ./types.nix;
# constants
licenses = callLibs ./licenses.nix;
add mechanism for handling meta.sourceProvenance attributes heavily based on patterns used by licenses infrastructure, so may appear overengineered for its initial level of use
2022-02-20 19:23:12 +00:00
sourceTypes = callLibs ./source-types.nix;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
systems = callLibs ./systems;
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).
2020-01-22 22:22:23 +00:00
# serialization
cli = callLibs ./cli.nix;
lib/gvariant: init
2023-06-14 08:14:23 +00:00
gvariant = callLibs ./gvariant.nix;
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).
2020-01-22 22:22:23 +00:00
generators = callLibs ./generators.nix;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
# misc
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.
2018-08-08 17:26:52 +00:00
asserts = callLibs ./asserts.nix;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
debug = callLibs ./debug.nix;
misc = callLibs ./deprecated.nix;
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.
2018-08-08 17:26:52 +00:00
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
# domain-specific
fetchers = callLibs ./fetchers.nix;
# Eval-time filesystem handling
lib.path.subpath.isValid: init The first path library function
2022-12-23 20:04:14 +00:00
path = callLibs ./path;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
filesystem = callLibs ./filesystem.nix;
lib.fileset.toSource: init
2023-08-16 22:55:32 +00:00
fileset = callLibs ./fileset;
lib.path.subpath.isValid: init The first path library function
2022-12-23 20:04:14 +00:00
sources = callLibs ./sources.nix;
lib: Collect system/platform related files Previously, platforms was a random thing in top-level
2017-02-09 02:27:22 +00:00
# back-compat aliases
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
platforms = self.systems.doubles;
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
lib.kernel: make public Remove the "version" parameter in order to make it more widely available. Starts making some kernel configuration helpers available. The intent is to be able to better build and check the linux kernel configuration.
2019-09-18 08:34:02 +00:00
# linux kernel configuration
kernel = callLibs ./kernel.nix;
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 15:12:15 +00:00
inherit (builtins) add addErrorContext attrNames concatLists
deepSeq elem elemAt filter genericClosure genList getAttr
lib: Add isPath Available since Nix 2.3, which is the Nixpkgs minimum version. Thanks zimbatm!
2022-12-30 23:53:24 +00:00
hasAttr head isAttrs isBool isInt isList isPath isString length
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 15:12:15 +00:00
lessThan listToAttrs pathExists readFile replaceStrings seq
lib: Add lib.trace for consistency This puts it among the trace* family of functions derived from it.
2020-10-20 14:34:15 +00:00
stringLength sub substring tail trace;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.trivial) id const pipe concat or and bitAnd bitOr bitXor
lib: Add lib.isFloat for consistency Unlike the other three is* functions in lib.trivial, it was only available as lib.trivial.isFloat
2020-10-20 13:24:59 +00:00
bitNot boolToString mergeAttrs flip mapNullable inNixShell isFloat min max
lib/trivial: actually expose warnIfNot and throwIf
2022-03-27 14:48:33 +00:00
importJSON importTOML warn warnIf warnIfNot throwIf throwIfNot checkListOfEnum
lib: Add mkRenamedOptionModuleWith Adds support for sinceRelease
2022-03-09 13:41:43 +00:00
info showWarnings nixpkgsVersion version isInOldestRelease
lib: Add toFunction
2022-03-21 22:06:01 +00:00
mod compare splitByAndCompare
lib.mirrorFunctionArgs: init Co-authored-by: Silvan Mosberger <github@infinisil.com>
2023-05-28 21:51:52 +00:00
functionArgs setFunctionArgs isFunction toFunction mirrorFunctionArgs
lib: add inPureEvalMode This makes a value that is true if builtins does not contain the currentSystem function, but false if it does.
2021-11-14 23:14:09 +00:00
toHexString toBaseDigits inPureEvalMode;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.fixedPoints) fix fix' converge extends composeExtensions
lib: Add composeManyExtensions
2020-11-11 02:36:19 +00:00
composeManyExtensions makeExtensible makeExtensibleWithCustomName;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.attrsets) attrByPath hasAttrByPath setAttrByPath
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 21:18:22 +00:00
getAttrFromPath attrVals attrValues getAttrs catAttrs filterAttrs
init: lib.foldlAttrs - provide comprehensive example - add unit test
2023-02-28 10:04:19 +00:00
filterAttrsRecursive foldlAttrs foldAttrs collect nameValuePair mapAttrs
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>
2023-09-10 15:56:29 +00:00
mapAttrs' mapAttrsToList attrsToList concatMapAttrs mapAttrsRecursive
mapAttrsRecursiveCond genAttrs isDerivation toDerivation optionalAttrs
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
zipAttrsWithNames zipAttrsWith zipAttrs recursiveUpdateUntil
lib.attrsets: Introduce showAttrPath
2021-12-02 17:12:51 +00:00
recursiveUpdate matchAttrs overrideExisting showAttrPath getOutput getBin
lib/attrsets: add getMan function
2020-05-11 09:08:29 +00:00
getLib getDev getMan chooseDevOutputs zipWithNames zip
lib.attrsets: Introduce updateManyAttrsByPath
2021-11-22 19:34:01 +00:00
recurseIntoAttrs dontRecurseIntoAttrs cartesianProductOfSets
updateManyAttrsByPath;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.lists) singleton forEach foldr fold foldl foldl' imap0 imap1
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
concatMap flatten remove findSingle findFirst any all count
lib.lists: add `replicate` `replicate` returns n copies of an element as a list. Co-Authored-By: Silvan Mosberger <contact@infinisil.com>
2022-12-17 20:57:17 +00:00
optional optionals toList range replicate partition zipListsWith zipLists
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`.
2023-12-07 18:51:07 +00:00
reverseList listDfs toposort sort sortOn naturalSort compareLists take
lib.lists.allUnique: init
2023-06-25 11:16:06 +00:00
drop sublist last init crossLists unique allUnique intersectLists
lib: add groupBy (#38612)
2018-06-10 17:31:09 +00:00
subtractLists mutuallyExclusive groupBy groupBy';
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.strings) concatStrings concatMapStrings concatImapStrings
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
intersperse concatStringsSep concatMapStringsSep
lib/strings: add `concatLines` Like `unlines` from Haskell. The aim is to replace the `concatStringsSep "\n"` pattern for generated files, which doesn't add a final newline.
2022-12-10 14:56:30 +00:00
concatImapStringsSep concatLines makeSearchPath makeSearchPathOutput
lib.makePerlPath -> perlPackages.makePerlPath
2018-12-15 03:50:31 +00:00
makeLibraryPath makeBinPath optionalString
python: Make .isPyPy flag more accurate. nix-repl> map (s: s.isPyPy) [ python python3 pypy pypy3 ] [ false false true true ]
2019-02-04 08:09:38 +00:00
hasInfix hasPrefix hasSuffix stringToCharacters stringAsChars escape
lib: Add isStringLike
2022-12-31 00:47:28 +00:00
escapeShellArg escapeShellArgs
isStorePath isStringLike
isValidPosixName toShellVar toShellVars
strings: add escapeQuery for url encoding
2023-03-02 20:41:51 +00:00
escapeRegex escapeURL escapeXML replaceChars lowerChars
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 15:12:15 +00:00
upperChars toLower toUpper addContextFrom splitString
lib: Add getName to mirror getVersion
2019-11-24 16:19:32 +00:00
removePrefix removeSuffix versionOlder versionAtLeast
getName getVersion
lib: add cmakeOptionType, cmakeBool and cmakeFeature
2023-09-20 23:41:57 +00:00
cmakeOptionType cmakeBool cmakeFeature
lib/default.nix: include mesonOption-related functions To bring them to the scope when calling `lib`.
2022-11-21 00:37:31 +00:00
mesonOption mesonBool mesonEnable
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 15:12:15 +00:00
nameFromURL enableFeature enableFeatureAs withFeature
lib: Add isStringLike
2022-12-31 00:47:28 +00:00
withFeatureAs fixedWidthString fixedWidthNumber
lib/strings: Refactor toInt into toInt and toIntBase10
2022-07-08 23:37:45 +00:00
toInt toIntBase10 readPathsFromFile fileContents;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.stringsWithDeps) textClosureList textClosureMap
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
noDepEntry fullDepEntry packEntry stringAfter;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.customisation) overrideDerivation makeOverridable
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 15:12:15 +00:00
callPackageWith callPackagesWith extendDerivation hydraJob
lib.customisation: add uncurried form of makeScopeWithSplicing Deeply-curried functions are pretty error-prone in untyped languages like Nix. This is a particularly bad case because `top-level/splice.nix` *also* declares a makeScopeWithSplicing, but it takes *two fewer arguments*. Let's add a version that uses attrset-passing form, to provide some minimal level of sanity-checking. This also provides defaults for keep and extra (these are often unneeded by the user).
2023-08-13 23:47:59 +00:00
makeScope makeScopeWithSplicing makeScopeWithSplicing';
lib: Add lazyDerivation
2022-06-25 11:53:02 +00:00
inherit (self.derivations) lazyDerivation;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.meta) addMetaAttrs dontDistribute setName updateName
lib: implement `setPrio` For when `hiPrio` and `lowPrio` are not enough.
2018-11-18 08:26:13 +00:00
appendToName mapDerivationAttrset setPrio lowPrio lowPrioSet hiPrio
lib/meta.nix: introduce getExe' getExe' can be used to get a binary other than the mainProgram from a derivation. Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
2023-08-13 10:27:41 +00:00
hiPrioSet getLicenseFromSpdxId getExe getExe';
lib.packagesFromDirectoryRecursive: init Co-authored-by: Gabriella Gonzalez <GenuineGabriella@gmail.com>
2023-11-28 01:14:36 +00:00
inherit (self.filesystem) pathType pathIsDirectory pathIsRegularFile
packagesFromDirectoryRecursive;
lib.sources.pathType and co.: Move to lib.filesystem These functions only work with the filesystem, they don't import anything as sources
2023-04-05 14:10:09 +00:00
inherit (self.sources) cleanSourceFilter
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
cleanSource sourceByRegex sourceFilesBySuffices
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 15:12:15 +00:00
commitIdFromGitRepo cleanSourceWith pathHasContext
lib.sources.pathType and co.: Move to lib.filesystem These functions only work with the filesystem, they don't import anything as sources
2023-04-05 14:10:09 +00:00
canCleanSource pathIsGitRepo;
lib/modules: introduce setDefaultModuleLocation Wraps a module with a default location for reporting errors.
2021-12-17 14:17:49 +00:00
inherit (self.modules) evalModules setDefaultModuleLocation
lib: applyIfFunction -> applyModuleArgsIfFunction
2022-03-21 21:54:07 +00:00
unifyModuleSyntax applyModuleArgsIfFunction mergeModules
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
mergeModules' mergeOptionDecls evalOptionValue mergeDefinitions
pushDownProperties dischargeProperties filterOverrides
sortProperties fixupOptionType mkIf mkAssert mkMerge mkOverride
lib: inherit mkImageMediaOverride
2021-08-18 12:20:41 +00:00
mkOptionDefault mkDefault mkImageMediaOverride mkForce mkVMOverride
Partially revert "lib/modules: Drop mkStrict and mkFixStrictness" mkFixStrictness was never properly deprecated and should only be removed after warning for some time. This partially reverts commit 8fb9984690c878fcd768e967190957441de05d11.
2021-07-12 05:23:45 +00:00
mkFixStrictness mkOrder mkBefore mkAfter mkAliasDefinitions
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
mkAliasAndWrapDefinitions fixMergeModules mkRemovedOptionModule
lib: Add mkRenamedOptionModuleWith Adds support for sinceRelease
2022-03-09 13:41:43 +00:00
mkRenamedOptionModule mkRenamedOptionModuleWith
mkMergedOptionModule mkChangedOptionModule
modules: add mkAliasOptionModuleMD mkAliasOptionModule should not default to mdDoc descriptions because that can break out-of-tree users of documentation infrastructure. add an explicitly-MD variant for now, to be removed some time after the MD transition is complete.
2022-12-30 19:43:53 +00:00
mkAliasOptionModule mkDerivedConfig doRename
mkAliasOptionModuleMD;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.options) isOption mkEnableOption mkSinkUndeclaredOptions
lib.types: Add unique like uniq, but custom errors Couldn't extend types.uniq and it had a silly name anyway. Now we can have better error messages.
2022-01-24 00:07:32 +00:00
mergeDefaultOption mergeOneOption mergeEqualOption mergeUniqueOption
getValues getFiles
optionAttrSetToDocList optionAttrSetToDocList'
lib/options: remove literalDocBook no longer supported. warning when used would not be appropriate, and docbook has been on the way out for long enough that throwing an error should not be necessary either.
2023-06-11 17:51:46 +00:00
scrubOptionValue literalExpression literalExample
lib/options: Add showOptionWithDefLocs
2022-06-15 11:11:22 +00:00
showOption showOptionWithDefLocs showFiles
modules: add mkPackageOptionMD another transitional option factory, like mkAliasOptionModuleMD.
2022-12-30 20:04:52 +00:00
unknownModule mkOption mkPackageOption mkPackageOptionMD
treewide: attempt at markdown option docs
2022-06-03 19:47:57 +00:00
mdDoc literalMD;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.types) isType setType defaultTypeMerge defaultFunctor
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
isOptionType mkOptionType;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.asserts)
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.
2018-08-08 17:26:52 +00:00
assertMsg assertOneOf;
lib: remove deprecated functions all of these have been deprecated and raising warnings since 18.09. it's about time we actually made good on "will be removed in the next release".
2023-02-24 15:28:06 +00:00
inherit (self.debug) traceIf traceVal traceValFn
traceSeq traceSeqN traceValSeq
traceValSeqFn traceValSeqN traceValSeqNFn traceFnSeqN
runTests testAllTrue;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.misc) maybeEnv defaultMergeArg defaultMerge foldArgs
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
maybeAttrNullable maybeAttr ifEnable checkFlag getValue
checkReqs uniqList uniqListExt condConcat lazyGenericClosure
innerModifySumArgs modifySumArgs innerClosePropagation
closePropagation mapAttrsFlatten nvs setAttr setAttrMerge
mergeAttrsWithFunc mergeAttrsConcatenateValues
mergeAttrsNoOverride mergeAttrByFunc mergeAttrsByFuncDefaults
Remove composableDerivation, closes #18763
2018-07-26 10:05:40 +00:00
mergeAttrsByFuncDefaultsClean mergeAttrBy
lib.fake{Sri => Hash}: fix and rename The previous hash was too short and caused evaluation-time errors like: invalid SRI hash 'sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=' Additionally, since the fact that this is broken implies that nobody could have been using it, "SRI" is a bit of a vague and obscure term, `fakeSriHash` would be somewhat of a mouthful, and the relevant fetcher parameters are just called `hash`, rename it to `fakeHash`.
2020-05-11 22:04:41 +00:00
fakeHash fakeSha256 fakeSha512
Remove composableDerivation, closes #18763
2018-07-26 10:05:40 +00:00
nixType imap;
lib: Use Nix's static scope checking, fix error message, optimize Nix can perform static scope checking, but whenever code is inside a `with` expression, the analysis breaks down, because it can't know statically what's in the attribute set whose attributes were brought into scope. In those cases, Nix has to assume that everything works out. Except it doesnt. Removing `with` from lib/ revealed an undefined variable in an error message. If that doesn't convince you that we're better off without `with`, I can tell you that this PR results in a 3% evaluation performance improvement because Nix can look up local variables by index. This adds up with applications like the module system. Furthermore, removing `with` makes the binding site of each variable obvious, which helps with comprehension.
2020-10-20 11:47:24 +00:00
inherit (self.versions)
lib/versions: expose splitVersion
2019-09-24 08:47:34 +00:00
splitVersion;
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 = ...; }
2018-04-06 16:51:10 +00:00
});
Convert libs to a fixed-point This does break the API of being able to import any lib file and get its libs, however I'm not sure people did this. I made this while exploring being able to swap out docFn with a stub in #2305, to avoid functor performance problems. I don't know if that is going to move forward (or if it is a problem or not,) but after doing all this work figured I'd put it up anyway :) Two notable advantages to this approach: 1. when a lib inherits another lib's functions, it doesn't automatically get put in to the scope of lib 2. when a lib implements a new obscure functions, it doesn't automatically get put in to the scope of lib Using the test script (later in this commit) I got the following diff on the API: + diff master fixed-lib 11764a11765,11766 > .types.defaultFunctor > .types.defaultTypeMerge 11774a11777,11778 > .types.isOptionType > .types.isType 11781a11786 > .types.mkOptionType 11788a11794 > .types.setType 11795a11802 > .types.types This means that this commit _adds_ to the API, however I can't find a way to fix these last remaining discrepancies. At least none are _removed_. Test script (run with nix-repl in the PATH): #!/bin/sh set -eux repl() { suff=${1:-} echo "(import ./lib)$suff" \ | nix-repl 2>&1 } attrs_to_check() { repl "${1:-}" \ | tr ';' $'\n' \ | grep "\.\.\." \ | cut -d' ' -f2 \ | sed -e "s/^/${1:-}./" \ | sort } summ() { repl "${1:-}" \ | tr ' ' $'\n' \ | sort \ | uniq } deep_summ() { suff="${1:-}" depth="${2:-4}" depth=$((depth - 1)) summ "$suff" for attr in $(attrs_to_check "$suff" | grep -v "types.types"); do if [ $depth -eq 0 ]; then summ "$attr" | sed -e "s/^/$attr./" else deep_summ "$attr" "$depth" | sed -e "s/^/$attr./" fi done } ( cd nixpkgs #git add . #git commit -m "Auto-commit, sorry" || true git checkout fixed-lib deep_summ > ../fixed-lib git checkout master deep_summ > ../master ) if diff master fixed-lib; then echo "SHALLOW MATCH!" fi ( cd nixpkgs git checkout fixed-lib repl .types )
2017-07-29 00:05:35 +00:00
in lib
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