Upstream to https://github.com/srid/nixpkgs-match

flake.lock

@@ -240,6 +240,24 @@
         "type": "github"
       }
     },
+    "flake-parts_4": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib_4"
+      },
+      "locked": {
+        "lastModified": 1672877861,
+        "narHash": "sha256-ROnSmsk5grROL6gnHBnSdqlPPBrBJMApCeB7xzY567M=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "7930f5b1c356270cec420d4f4cb43f4907206640",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "flake-root": {
       "locked": {
         "lastModified": 1671378805,
@@ -591,6 +609,43 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib_4": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1672350804,
+        "narHash": "sha256-jo6zkiCabUBn3ObuKXHGqqORUMH27gYDIFFfLq5P4wg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "677ed08a50931e38382dbef01cba08a8f7eac8f6",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-match": {
+      "inputs": {
+        "flake-parts": "flake-parts_4",
+        "nixpkgs": "nixpkgs_8"
+      },
+      "locked": {
+        "lastModified": 1672924430,
+        "narHash": "sha256-rzMnLkTGxKowPEaI0am4iNouLvYFjYf2rtjV1lou8tw=",
+        "owner": "srid",
+        "repo": "nixpkgs-match",
+        "rev": "8776f12051e0d9c6467df9f1a0728291d10ad441",
+        "type": "github"
+      },
+      "original": {
+        "owner": "srid",
+        "repo": "nixpkgs-match",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 0,
@@ -682,6 +737,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_8": {
+      "locked": {
+        "lastModified": 1672756850,
+        "narHash": "sha256-Smbq3+fitwA13qsTMeaaurv09/KVbZfW7m7lINwzDGA=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "298add347c2bbce14020fcb54051f517c391196b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks-nix": {
       "inputs": {
         "flake-utils": "flake-utils_2",
@@ -722,6 +793,7 @@
         "nixos-shell": "nixos-shell",
         "nixos-vscode-server": "nixos-vscode-server",
         "nixpkgs": "nixpkgs_7",
+        "nixpkgs-match": "nixpkgs-match",
         "zk-nvim": "zk-nvim"
       }
     },

flake.nix

@@ -28,6 +28,7 @@
     comma.url = "github:nix-community/comma";
     comma.inputs.nixpkgs.follows = "nixpkgs";
     emanote.url = "github:srid/emanote";
+    nixpkgs-match.url = "github:srid/nixpkgs-match";
 
     # Emacs
     emacs-overlay.url = "github:nix-community/emacs-overlay";

systems/darwin.nix

@@ -14,6 +14,7 @@
     nixpkgs-fmt
     emanote
     inputs.hci.packages.${system}.hercules-ci-cli
+    inputs.nixpkgs-match.packages.${system}.default
 
     # We must install Agda globally so that Doom-Emacs' agda config can
     # recognize it. It doesn't matter that our projects use Nix/direnv.
@@ -41,24 +42,6 @@
       '';
     })
 
-    # Spit out the nixpkgs rev pinned by the given flake.
-    (pkgs.writeShellApplication {
-      name = "nixpkgs-rev";
-      text = ''
-        NIXPKGS=$(nix flake metadata --json "$1" | jq -r .locks.nodes.root.inputs.nixpkgs)
-        nix flake metadata --json "$1" | \
-          jq -r .locks.nodes."$NIXPKGS".locked.rev
-      '';
-    })
-
-    (pkgs.writeShellApplication {
-      name = "nixpkgs-update-using";
-      text = ''
-        REV=$(nixpkgs-rev "$1")
-        nix flake lock --update-input nixpkgs --override-input nixpkgs github:nixos/nixpkgs/"$REV"
-      '';
-    })
-
   ];
 
   nix = {