chore: manage flake

flake.lock

+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1691155011,
+        "narHash": "sha256-O15tC0ysw+fcacEbOzrDrkVNIR+SgtArSGvpgsEqpvA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9652a97d9738d3e65cf33c0bc24429e495a7868f",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-23.05",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1689431009,
+        "narHash": "sha256-hPgQCRWP5q/Xc4qOIP3c2krR9nQua78+t9EDiuey5nc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "af8279f65fe71ce5a448408034a8c06e2b4b2c66",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-23.05",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "versionTool": "versionTool"
+      }
+    },
+    "versionTool": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "narHash": "sha256-jzixQKFFW4oxO0S4GYqbkFCXzhBd6com6Z9+MtVKakU=",
+        "type": "tarball",
+        "url": "https://gitlab.schukai.com/oss/utilities/version/-/archive/0.5.0/version-0.5.0.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://gitlab.schukai.com/oss/utilities/version/-/archive/0.5.0/version-0.5.0.tar.gz"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -2,9 +2,13 @@
  description = "docman is a document management tool";
 
   # Nixpkgs / NixOS version to use.
-  inputs.nixpkgs.url = "nixpkgs/nixos-23.05";
+  
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-23.05";
+    versionTool.url = "https://gitlab.schukai.com/oss/utilities/version/-/archive/0.5.0/version-0.5.0.tar.gz";
+  };
 
-  outputs = { self, nixpkgs }:
+  outputs = { self, nixpkgs, versionTool, ... }:
     let
 
       # to work with older version of flakes
@@ -21,11 +25,13 @@
       # Nixpkgs instantiated for supported system types.
       nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
       
-      versionTool = nixpkgs.lib.fetchzip {
-        url = "https://gitlab.schukai.com/oss/utilities/version/-/archive/0.5.0/version-0.5.0.tar.gz";
-        # You'll need to provide the correct hash here.
-        # sha256 = "0000000000000000000000000000000000000000000000000000";
-      };      
+      pkgs = import nixpkgs { system = "x86_64-linux"; };
+      
+#      versionTool = pkgs.fetchzip {
+#        url = "https://gitlab.schukai.com/oss/utilities/version/-/archive/0.5.0/version-0.5.0.tar.gz";
+#        # You'll need to provide the correct hash here.
+#        sha256 = "sha256-jzixQKFFW4oxO0S4GYqbkFCXzhBd6com6Z9+MtVKakU=";
+#      };      
 
     in
     {
@@ -35,7 +41,7 @@
         let
           pkgs = nixpkgsFor.${system};
           buildDate = builtins.date "%Y%m%d" (builtins.fromJSON lastModifiedDate);
-          version = builtins.readFile "${versionTool}/version print --git";
+          #version = builtins.readFile "${versionTool}/version print --git";
         in
         {
           docman = pkgs.buildGoModule {
@@ -59,9 +65,11 @@
             # "-X release.version=$version -X release.build=$(due --iso-8601 | tr -d "-" )"
             
             ldflags = [
-                 "-X release.version=${version}"
+                 "-X release.version=${versionTool}"
                  "-X release.build=${buildDate}"
                       ];
+                      
+            buildInputs = [ versionTool.defaultPackage ];                      
 
 
             meta = with nixpkgs.legacyPackages.${system}.lib; {