Waybar/flake.nix

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{
description = "Highly customizable Wayland bar for Sway and Wlroots based compositors";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
};
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outputs = { self, nixpkgs, ... }:
let
inherit (nixpkgs) lib;
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genSystems = func: lib.genAttrs [
"x86_64-linux"
"aarch64-linux"
]
(system: func (import nixpkgs { inherit system; }));
mkDate = longDate: (lib.concatStringsSep "-" [
(builtins.substring 0 4 longDate)
(builtins.substring 4 2 longDate)
(builtins.substring 6 2 longDate)
]);
in
{
devShells = genSystems
(pkgs:
{
default =
pkgs.mkShell
{
name = "waybar-shell";
# inherit attributes from upstream nixpkgs derivation
inherit (pkgs.waybar) buildInputs depsBuildBuild depsBuildBuildPropagated depsBuildTarget
depsBuildTargetPropagated depsHostHost depsHostHostPropagated depsTargetTarget
depsTargetTargetPropagated propagatedBuildInputs propagatedNativeBuildInputs strictDeps;
# overrides for local development
nativeBuildInputs = pkgs.waybar.nativeBuildInputs ++ (with pkgs; [
clang-tools
gdb
]);
};
});
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overlays = {
default = self.overlays.waybar;
waybar = final: prev: {
waybar = final.callPackage ./nix/default.nix {
waybar = prev.waybar;
# take the first "version: '...'" from meson.build
version =
(builtins.head (builtins.split "'"
(builtins.elemAt
(builtins.split " version: '" (builtins.readFile ./meson.build))
2)))
+ "+date=" + (mkDate (self.lastModifiedDate or "19700101")) + "_" + (self.shortRev or "dirty");
};
};
};
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packages = genSystems (pkgs: {
default = self.packages.${pkgs.stdenv.hostPlatform.system}.waybar;
inherit (pkgs) waybar;
});
};
}