-
-
Notifications
You must be signed in to change notification settings - Fork 1.8k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
This module enables wrapping programs which require access to libGL with nixGL on non-NixOS systems.
- Loading branch information
Showing
2 changed files
with
65 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,64 @@ | ||
{ config, lib, pkgs, ... }: | ||
|
||
let cfg = config.nixGL; | ||
in { | ||
meta.maintainers = [ lib.maintainers.smona ]; | ||
|
||
options.nixGL.prefix = lib.mkOption { | ||
type = lib.types.str; | ||
default = ""; | ||
example = lib.literalExpression | ||
''"''${inputs.nixGL.packages.x86_64-linux.nixGLIntel}/bin/nixGLIntel"''; | ||
description = '' | ||
The nixGL command that `lib.nixGL.wrap` should wrap packages with. | ||
This can be used to provide libGL access to applications on non-NixOS systems. | ||
Some packages are wrapped by default (e.g. kitty, firefox), but you can wrap other packages | ||
as well, with `(config.lib.nixGL.wrap <package>)`. If this option is empty (the default), | ||
then `lib.nixGL.wrap` is a no-op. | ||
''; | ||
}; | ||
|
||
config = { | ||
lib.nixGL.wrap = # Wrap a single package with the configured nixGL wrapper | ||
pkg: | ||
|
||
if cfg.prefix == "" then | ||
pkg | ||
else | ||
# Wrap the package's binaries with nixGL, while preserving the rest of | ||
# the outputs and derivation attributes. | ||
(pkg.overrideAttrs (old: { | ||
name = "nixGL-${pkg.name}"; | ||
|
||
# Make sure this is false for the wrapper derivation, so nix doesn't expect | ||
# a new debug output to be produced. We won't be producing any debug info | ||
# for the original package. | ||
separateDebugInfo = false; | ||
|
||
buildCommand = '' | ||
set -eo pipefail | ||
${ | ||
# Heavily inspired by https://stackoverflow.com/a/68523368/6259505 | ||
pkgs.lib.concatStringsSep "\n" (map (outputName: '' | ||
echo "Copying output ${outputName}" | ||
set -x | ||
cp -rs --no-preserve=mode "${ | ||
pkg.${outputName} | ||
}" "''$${outputName}" | ||
set +x | ||
'') (old.outputs or [ "out" ]))} | ||
rm -rf $out/bin/* | ||
shopt -s nullglob # Prevent loop from running if no files | ||
for file in ${pkg.out}/bin/*; do | ||
echo "#!${pkgs.bash}/bin/bash" > "$out/bin/$(basename $file)" | ||
echo "exec -a \"\$0\" ${cfg.prefix} $file \"\$@\"" >> "$out/bin/$(basename $file)" | ||
chmod +x "$out/bin/$(basename $file)" | ||
done | ||
shopt -u nullglob # Revert nullglob back to its normal default state | ||
''; | ||
})); | ||
}; | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters