[macbook] Add herdr.

flake.lock

@@ -193,6 +193,25 @@
         "type": "github"
       }
     },
+    "herdr": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_3",
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1784213830,
+        "narHash": "sha256-51752gcxLf+W1cFw9u8aCJ+78h8/wQYhsnMX4NkNnYU=",
+        "owner": "ogulcancelik",
+        "repo": "herdr",
+        "rev": "6e4768a7ccb172b96c30eabe745747fbde31f777",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ogulcancelik",
+        "repo": "herdr",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -371,6 +390,22 @@
       }
     },
     "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1779357205,
+        "narHash": "sha256-cCO8aTqss5x9Ky8GWkpY0Hy5fyTZEbtifSUV8QjSzic=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f83fc3c307e74bc5fd5adb7eb6b8b13ffd2a36e1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1768323494,
         "narHash": "sha256-yBXJLE6WCtrGo7LKiB6NOt6nisBEEkguC/lq/rP3zRQ=",
@@ -386,7 +421,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_5": {
       "locked": {
         "lastModified": 1749086602,
         "narHash": "sha256-DJcgJMekoxVesl9kKjfLPix2Nbr42i7cpEHJiTnBUwU=",
@@ -402,7 +437,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_5": {
+    "nixpkgs_6": {
       "locked": {
         "lastModified": 1747542820,
         "narHash": "sha256-GaOZntlJ6gPPbbkTLjbd8BMWaDYafhuuYRNrxCGnPJw=",
@@ -445,11 +480,12 @@
         "apple-silicon": "apple-silicon",
         "ghostty": "ghostty",
         "godig": "godig",
+        "herdr": "herdr",
         "home-manager": "home-manager_2",
         "nix-darwin": "nix-darwin",
         "nixgl": "nixgl",
         "nixos-hardware": "nixos-hardware",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_4",
         "nixpkgs-darwin": "nixpkgs-darwin",
         "nixpkgs-electron-32": "nixpkgs-electron-32",
         "nixpkgs-unstable": "nixpkgs-unstable",
@@ -460,6 +496,27 @@
         "zen-browser": "zen-browser"
       }
     },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "herdr",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1783577481,
+        "narHash": "sha256-EWMxOWrJ031f8f/lrcEmhTRs4npw1/5N3Hcjin846c8=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "4cdea398dc491b082dccdce0fad1ed0b75fa3394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "sops-nix": {
       "inputs": {
         "nixpkgs": [
@@ -483,7 +540,7 @@
     "ssh-agent-switcher": {
       "inputs": {
         "flake-utils": "flake-utils_5",
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_5"
       },
       "locked": {
         "lastModified": 1749108251,
@@ -592,7 +649,7 @@
     },
     "walker": {
       "inputs": {
-        "nixpkgs": "nixpkgs_5",
+        "nixpkgs": "nixpkgs_6",
         "systems": "systems_6"
       },
       "locked": {