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lib/strings: Add makeIncludePath (#296237)

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* 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 fb1850c069cfb324f3a43323da740a27a11793f3.

* 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>
This commit is contained in:
Florian Richer 2024-04-02 19:01:05 +02:00 committed by GitHub
parent 9ce47d84cd
commit 3b883d3cdf
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3 changed files with 43 additions and 1 deletions
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2
lib/default.nix
View file

@ -97,7 +97,7 @@ let
inherit (self.strings) concatStrings concatMapStrings concatImapStrings
intersperse concatStringsSep concatMapStringsSep
concatImapStringsSep concatLines makeSearchPath makeSearchPathOutput
makeLibraryPath makeBinPath optionalString
makeLibraryPath makeIncludePath makeBinPath optionalString
hasInfix hasPrefix hasSuffix stringToCharacters stringAsChars escape
escapeShellArg escapeShellArgs
isStorePath isStringLike

12
lib/strings.nix
View file

@ -206,6 +206,18 @@ rec {
*/
makeLibraryPath = makeSearchPathOutput "lib" "lib";
/* Construct an include search path (such as C_INCLUDE_PATH) containing the
header files for a set of packages or paths.
Example:
makeIncludePath [ "/usr" "/usr/local" ]
=> "/usr/include:/usr/local/include"
pkgs = import <nixpkgs> { }
makeIncludePath [ pkgs.openssl pkgs.zlib ]
=> "/nix/store/9rz8gxhzf8sw4kf2j2f1grr49w8zx5vj-openssl-1.0.1r-dev/include:/nix/store/wwh7mhwh269sfjkm6k5665b5kgp7jrk2-zlib-1.2.8-dev/include"
*/
makeIncludePath = makeSearchPathOutput "dev" "include";
/* Construct a binary search path (such as $PATH) containing the
binaries for a set of packages.

30
lib/tests/misc.nix
View file

@ -64,6 +64,7 @@ let
lists
listToAttrs
makeExtensible
makeIncludePath
makeOverridable
mapAttrs
matchAttrs
@ -296,6 +297,35 @@ runTests {
expected = "a\nb\nc\n";
};
testMakeIncludePathWithPkgs = {
expr = (makeIncludePath [
# makeIncludePath preferably selects the "dev" output
{ dev.outPath = "/dev"; out.outPath = "/out"; outPath = "/default"; }
# "out" is used if "dev" is not found
{ out.outPath = "/out"; outPath = "/default"; }
# And it returns the derivation directly if there's no "out" either
{ outPath = "/default"; }
# Same if the output is specified explicitly, even if there's a "dev"
{ dev.outPath = "/dev"; outPath = "/default"; outputSpecified = true; }
]);
expected = "/dev/include:/out/include:/default/include:/default/include";
};
testMakeIncludePathWithEmptyList = {
expr = (makeIncludePath [ ]);
expected = "";
};
testMakeIncludePathWithOneString = {
expr = (makeIncludePath [ "/usr" ]);
expected = "/usr/include";
};
testMakeIncludePathWithManyString = {
expr = (makeIncludePath [ "/usr" "/usr/local" ]);
expected = "/usr/include:/usr/local/include";
};
testReplicateString = {
expr = strings.replicate 5 "hello";
expected = "hellohellohellohellohello";