Add Nix flake

flake.lock

@@ -0,0 +1,85 @@
+{
+  "nodes": {
+    "devshell": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1682700442,
+        "narHash": "sha256-qjaAAcCYgp1pBBG7mY9z95ODUBZMtUpf0Qp3Gt/Wha0=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "fb6673fe9fe4409e3f43ca86968261e970918a83",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1683207485,
+        "narHash": "sha256-gs+PHt/y/XQB7S8+YyBLAM8LjgYpPZUVFQBwpFSmJro=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "cc45a3f8c98e1c33ca996e3504adefbf660a72d1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devshell": "devshell",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,60 @@
+{
+  description = "Retrospace website development environment";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-22.11";
+    flake-utils.url = "github:numtide/flake-utils";
+    devshell = {
+      url = "github:numtide/devshell";
+      inputs = {
+        flake-utils.follows = "flake-utils";
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, devshell }:
+    flake-utils.lib.eachDefaultSystem (system: {
+      devShell =
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+
+            overlays = [ devshell.overlays.default ];
+          };
+        in
+        pkgs.devshell.mkShell {
+          name = "Retrospace website development environment";
+          packages = with pkgs; [
+            (pkgs.ruby_3_1.withPackages
+              (ps: with ps; [
+                bundler
+                jekyll
+                kramdown-parser-gfm
+                webrick
+              ])
+            )
+            nixpkgs-fmt
+            isort
+          ];
+          env = [ ];
+          commands = [
+            {
+              name = "retrospace:lint";
+              category = "Maintenance";
+              help = "Lint all the files in project";
+              command = ''
+                nixpkgs-fmt *.nix
+              '';
+            }
+            {
+              name = "retrospace:deploy";
+              help = "Deploy the website";
+              command = ''
+                jekyll build && rsync -v -rz --checksum --delete ./_site/ endor:/var/www/retrospace.be
+              '';
+            }
+          ];
+        };
+    });
+}