ethersync: init at 0.6.0

This is an NGI package. It has lived in NGIpkgs for a few months now and
is ready to be migrated to Nixpkgs.

Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com>

pkgs/by-name/et/ethersync/package.nix

@@ -0,0 +1,41 @@
+{
+  fetchFromGitHub,
+  lib,
+  rustPlatform,
+  versionCheckHook,
+  nix-update-script,
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "ethersync";
+  version = "0.6.0";
+
+  src = fetchFromGitHub {
+    owner = "ethersync";
+    repo = "ethersync";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-dHV4+WxNdEvRZK8WNK0qp9f43Y9oSUtlXrq/mI0yWls=";
+  };
+
+  sourceRoot = "${finalAttrs.src.name}/daemon";
+
+  cargoHash = "sha256-uKtJp4RD0YbOmtzbxebpYQxlBmP+5k88d+76hT4cTI8=";
+
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  versionCheckProgramArg = "--version";
+  doInstallCheck = true;
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Real-time co-editing of local text files";
+    homepage = "https://ethersync.github.io/ethersync/";
+    downloadPage = "https://github.com/ethersync/ethersync";
+    changelog = "https://github.com/ethersync/ethersync/blob/${finalAttrs.src.tag}/CHANGELOG.md";
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [
+      prince213
+      ethancedwards8
+    ];
+  };
+})