nix/overlay/Example.nix

# Example overlay file.
# Overlays can change parameters in package builds, like source version.
# This way you can change something in package without recreating the whole build process.
# More info: https://nixos.wiki/wiki/Overlays
{ ... }: {
	# Use a different revision.
	# nixpkgs.overlays = [ (final: prev: {
	#   yt-dlp = prev.yt-dlp.overrideAttrs (old: {
	#     src = prev.fetchFromGitHub {
	#       owner = "yt-dlp";
	#       repo  = "yt-dlp";
	#       rev   = "2024.03.10";
	#       hash  = "sha256-A6uciGErM4QgLrY5jMFGlPV2uH9O2cOhj5+IapyjVo0=";
	#     };
	#   });
	# })];

	# Apply patch to a program.
	# nixpkgs.overlays = [ (final: prev: {
	#   keyd = prev.keyd.overrideAttrs (old: {
	#     patches = (old.patches or []) ++ [(prev.fetchpatch {
	#       url   = "https://patch-diff.githubusercontent.com/raw/rvaiya/keyd/pull/545.patch";
	#       hash  = "sha256-aal8oAXws6DcpeCl7G9GMJQXeLDDbyotWFut0Rf82WI=";
	#     })];
	#   });
	# })];
}