Automatically move gotosocial to later version if already in nixpkgs

nki-home/hardware-configuration.nix

@@ -9,6 +9,22 @@
   ...
 }:
 
+let
+  from-encdata = subvol: {
+    device = "/dev/disk/by-uuid/d1db9f65-6add-4714-b9d7-16e16f687396";
+    fsType = "btrfs";
+    options = [
+      "compress=zstd"
+      "subvol=${subvol}"
+    ];
+    encrypted = {
+      enable = true;
+      label = "encdata";
+      blkDev = "/dev/disk/by-uuid/6544f506-9a22-479c-8bfc-aee1b9e0deda";
+      keyFile = "/sysroot/var/crypto/key_data";
+    };
+  };
+in
 {
   imports = [
     (modulesPath + "/installer/scan/not-detected.nix")
@@ -45,20 +61,8 @@
     fsType = "vfat";
   };
 
-  fileSystems."/mnt/steam" = {
+  fileSystems."/mnt/steam" = from-encdata "steam";
-    device = "/dev/disk/by-uuid/d1db9f65-6add-4714-b9d7-16e16f687396";
+  fileSystems."/nix" = from-encdata "nix";
-    fsType = "btrfs";
-    options = [
-      "compress=zstd"
-      "subvol=steam"
-    ];
-    encrypted = {
-      enable = true;
-      label = "encdata";
-      blkDev = "/dev/disk/by-uuid/6544f506-9a22-479c-8bfc-aee1b9e0deda";
-      keyFile = "/sysroot/var/crypto/key_data";
-    };
-  };
 
   swapDevices = [ { device = "/dev/disk/by-uuid/561f6441-1915-4059-a5e1-76a449b0c9bf"; } ];
 

overlay.nix

@@ -31,31 +31,38 @@ let
   };
 
   overlay-versioning = final: prev: {
-    gotosocial = prev.gotosocial.overrideAttrs (attrs: rec {
+    gotosocial =
-      version = "0.18.1";
+      let
-      ldflags = [
+        local = prev.gotosocial.overrideAttrs (attrs: rec {
-        "-s"
+          version = "0.18.1";
-        "-w"
+          ldflags = [
-        "-X main.Version=${version}"
+            "-s"
-      ];
+            "-w"
-      doCheck = false;
+            "-X main.Version=${version}"
+          ];
+          doCheck = false;
 
-      web-assets = final.fetchurl {
+          web-assets = final.fetchurl {
-        url = "https://github.com/superseriousbusiness/gotosocial/releases/download/v${version}/gotosocial_${version}_web-assets.tar.gz";
+            url = "https://github.com/superseriousbusiness/gotosocial/releases/download/v${version}/gotosocial_${version}_web-assets.tar.gz";
-        hash = "sha256-5MSABLPyTbFMTno9vUDvLT9h7oQM6eNUuwD+dsHiCLo=";
+            hash = "sha256-5MSABLPyTbFMTno9vUDvLT9h7oQM6eNUuwD+dsHiCLo=";
-      };
+          };
-      src = final.fetchFromGitHub {
+          src = final.fetchFromGitHub {
-        owner = "superseriousbusiness";
+            owner = "superseriousbusiness";
-        repo = "gotosocial";
+            repo = "gotosocial";
-        rev = "v${version}";
+            rev = "v${version}";
-        hash = "sha256-4jV1G1HwpIST2Y27RAhJB3CoJevwuhxdzi615hj0Qv0=";
+            hash = "sha256-4jV1G1HwpIST2Y27RAhJB3CoJevwuhxdzi615hj0Qv0=";
-      };
+          };
-      postInstall = ''
+          postInstall = ''
-        tar xf ${web-assets}
+            tar xf ${web-assets}
-        mkdir -p $out/share/gotosocial
+            mkdir -p $out/share/gotosocial
-        mv web $out/share/gotosocial/
+            mv web $out/share/gotosocial/
-      '';
+          '';
-    });
+        });
+      in
+      if builtins.compareVersions prev.gotosocial.version local.version == -1 then
+        local
+      else
+        prev.gotosocial;
 
     input-remapper = final.unstable.input-remapper;