From eb706eb12cfee5d9a62b16496f12dc0ad33333e3 Mon Sep 17 00:00:00 2001 From: Xe Date: Mon, 21 Feb 2022 13:05:21 +0000 Subject: [PATCH] initial commit for the blog Signed-off-by: Xe --- .gitignore | 1 + flake.lock | 26 +++++++++++++++++++++++++ flake.nix | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ go.mod | 3 +++ main.go | 7 +++++++ 5 files changed, 94 insertions(+) create mode 100644 .gitignore create mode 100644 flake.lock create mode 100644 flake.nix create mode 100644 go.mod create mode 100644 main.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c4a847d --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/result diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..ff6e3c6 --- /dev/null +++ b/flake.lock @@ -0,0 +1,26 @@ +{ + "nodes": { + "nixpkgs": { + "locked": { + "lastModified": 1642609835, + "narHash": "sha256-ZwJnV4mdis28u5vH240ec2mrApuEJYJekn23qlTwJ8c=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "77aa71f66fd05d9e7b7d1c084865d703a8008ab7", + "type": "github" + }, + "original": { + "id": "nixpkgs", + "ref": "nixos-21.11", + "type": "indirect" + } + }, + "root": { + "inputs": { + "nixpkgs": "nixpkgs" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..db774b6 --- /dev/null +++ b/flake.nix @@ -0,0 +1,57 @@ +{ + description = "A simple Go package"; + + # Nixpkgs / NixOS version to use. + inputs.nixpkgs.url = "nixpkgs/nixos-21.11"; + + outputs = { self, nixpkgs }: + let + + # Generate a user-friendly version number. + version = builtins.substring 0 8 self.lastModifiedDate; + + # System types to support. + supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ]; + + # Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'. + forAllSystems = nixpkgs.lib.genAttrs supportedSystems; + + # Nixpkgs instantiated for supported system types. + nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; }); + + in + { + + # Provide some binary packages for selected system types. + packages = forAllSystems (system: + let + pkgs = nixpkgsFor.${system}; + in + { + go-hello = pkgs.buildGoModule { + pname = "go-hello"; + inherit version; + # In 'nix develop', we don't need a copy of the source tree + # in the Nix store. + src = ./.; + + # This hash locks the dependencies of this package. It is + # necessary because of how Go requires network access to resolve + # VCS. See https://www.tweag.io/blog/2021-03-04-gomod2nix/ for + # details. Normally one can build with a fake sha256 and rely on native Go + # mechanisms to tell you what the hash should be or determine what + # it should be "out-of-band" with other tooling (eg. gomod2nix). + # To begin with it is recommended to set this, but one must + # remeber to bump this hash when your dependencies change. + #vendorSha256 = pkgs.lib.fakeSha256; + + vendorSha256 = "sha256-pQpattmS9VmO3ZIQUFn66az8GSmB4IvYhTTCFn6SUmo="; + }; + }); + + # The default package for 'nix build'. This makes sense if the + # flake provides only one package or there is a clear "main" + # package. + defaultPackage = forAllSystems (system: self.packages.${system}.go-hello); + }; +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..ea79ba3 --- /dev/null +++ b/go.mod @@ -0,0 +1,3 @@ +module example.com/go-hello + +go 1.16 diff --git a/main.go b/main.go new file mode 100644 index 0000000..c0b0831 --- /dev/null +++ b/main.go @@ -0,0 +1,7 @@ +package main + +import "fmt" + +func main() { + fmt.Println("Hello Nix!") +}