Add script to generate distribution tarball

.gitignore

@@ -1,2 +1,3 @@
 /target
 *.db
+/dist

flake.nix

@@ -0,0 +1,72 @@
+{
+  description = "Notification service";
+  inputs = {
+    fenix.url = "github:nix-community/fenix";
+    naersk.url = "github:nix-community/naersk";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs, naersk, fenix }:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+      ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+    in
+    {
+      formatter = nixpkgs.lib.genAttrs supportedSystems (system:
+        let
+          pkgs = nixpkgs.legacyPackages."${system}";
+        in
+        pkgs.nixpkgs-fmt
+      );
+
+      packages = nixpkgs.lib.genAttrs supportedSystems (system:
+        let
+          pkgs = nixpkgs.legacyPackages."${system}";
+          buildNotifiers = (arch:
+            let
+              crossSystem = "${arch}-unknown-linux-musl";
+              pkgsCross = import nixpkgs ({
+                system = system;
+                crossSystem.config = crossSystem;
+              });
+              rustToolchain = with fenix.packages.${system};
+                combine [
+                  stable.rustc
+                  stable.cargo
+                  targets.${crossSystem}.stable.rust-std
+                ];
+
+              naersk' = pkgs.callPackage naersk {
+                cargo = rustToolchain;
+                rustc = rustToolchain;
+              };
+            in
+            naersk'.buildPackage rec {
+              pname = "notifiers";
+              src = ./.;
+              nativeBuildInputs = [
+                pkgs.pkg-config
+              ];
+
+              TARGET_CC = "${pkgsCross.stdenv.cc}/bin/${pkgsCross.stdenv.cc.targetPrefix}cc";
+              CARGO_BUILD_RUSTFLAGS = [ "-C" "linker=${TARGET_CC}" ];
+
+              OPENSSL_STATIC = 1;
+              OPENSSL_LIB_DIR = "${pkgsCross.pkgsStatic.openssl.out}/lib";
+              OPENSSL_INCLUDE_DIR = "${pkgsCross.pkgsStatic.openssl.dev}/include";
+              CARGO_BUILD_TARGET = crossSystem;
+            }
+          );
+        in
+        rec {
+          default = x86_64;
+          x86_64 = buildNotifiers "x86_64";
+          aarch64 = buildNotifiers "aarch64";
+        }
+      );
+    };
+}

scripts/dist.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# Build static Linux binary using musl
+set -euo pipefail
+
+VERSION=0.1.0
+TMP="$(mktemp -d)"
+DESTDIR="$TMP/notifiers-$VERSION-linux-x86_64"
+mkdir -p "$DESTDIR"
+nix build .#x86_64
+cp result/bin/notifiers "$DESTDIR"
+pushd "$TMP"
+tar czf "notifiers-$VERSION-linux-x86_64.tar.gz" "notifiers-$VERSION-linux-x86_64"
+popd
+mkdir -p dist
+mv "$TMP/notifiers-$VERSION-linux-x86_64.tar.gz" "dist/notifiers-$VERSION-linux-x86_64.tar.gz"
+rm -fr "$TMP"