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Added an example about overlay

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Matthieu Coudron 2019-03-07 17:17:18 +09:00
parent 5cfcfc300b
commit 404d057e89
1 changed files with 22 additions and 1 deletions
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23
doc/languages-frameworks/lua.section.md
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@ -72,6 +72,27 @@ For the sake of completeness, here's another example how to install the environm
}
```
### How to override a Python package using overlays?
Use the following overlay template:
```nix
self: prev:
{
lua = prev.lua.override {
packageOverrides = luaself: luaprev: {
luarocks-nix = luaprev.luarocks-nix.overrideAttrs(oa: {
pname = "toto";
src = /home/my_luarocks/repository;
});
};
luaPackages = lua.pkgs;
}
```
### Temporary Lua environment with `nix-shell`
For development you may need to use multiple environments.
@ -154,7 +175,7 @@ Each interpreter has the following attributes:
The `buildLuarocksPackage` function is implemented in `pkgs/development/interpreters/lua-5/build-lua-package.nix`
The following is an example:
```nix
luaexpat = buildLuaPackage rec {
luaexpat = buildLuarocksPackage rec {
pname = "luaexpat";
version = "1.3.0-1";