diff --git a/home/felschr-work.nix b/home/felschr-work.nix
index 7797956..7a9ad0f 100644
--- a/home/felschr-work.nix
+++ b/home/felschr-work.nix
@@ -35,9 +35,7 @@ with pkgs;
   programs.gpg.enable = true;
 
   programs.git.custom = {
-    userName = "Felix Schroeter";
-    userEmail = "fs@upsquared.com";
-    signingKey = "6DA1 4A05 C6E0 7DBE EB81  BA24 28ED 46BC B881 7B7A";
+    defaultProfile = "work";
   };
 
   programs.firefox.enable = true;
diff --git a/home/felschr.nix b/home/felschr.nix
index f9e0a5b..08fb477 100644
--- a/home/felschr.nix
+++ b/home/felschr.nix
@@ -39,9 +39,7 @@ with pkgs;
   programs.gpg.enable = true;
 
   programs.git.custom = {
-    userName = "Felix Tenley";
-    userEmail = "dev@felschr.com";
-    signingKey = "22A6 DD21 EE66 E73D D4B9  3F20 A12D 7C9D 2FD3 4458";
+    defaultProfile = "private";
   };
 
   home.packages = with pkgs; [
diff --git a/home/git.nix b/home/git.nix
index 97c0938..270396d 100644
--- a/home/git.nix
+++ b/home/git.nix
@@ -3,36 +3,74 @@
 with lib;
 let
   cfg = config.programs.git.custom;
+  defaultProfiles = {
+    private = {
+      name       = "Felix Tenley";
+      email      = "dev@felschr.com";
+      signingKey = "22A6 DD21 EE66 E73D D4B9  3F20 A12D 7C9D 2FD3 4458";
+      dirs       = [ "/etc/nixos/" ];
+    };
+    work = {
+      name       = "Felix Schröter";
+      email      = "fs@upsquared.com";
+      signingKey = "6DA1 4A05 C6E0 7DBE EB81  BA24 28ED 46BC B881 7B7A";
+      dirs       = [ "~/dev/" ];
+    };
+  };
 in
 {
   options.programs.git.custom = {
-    userName = mkOption {
-      type    = types.str;
-      default = "Felix Tenley";
+    profiles = mkOption {
+      type = types.attrsOf (types.submodule ({ name, config, ... }: {
+        options = {
+          name = mkOption {
+            type = types.str;
+          };
+          email = mkOption {
+            type = types.str;
+          };
+          signingKey = mkOption {
+            type = types.str;
+          };
+          dirs = mkOption {
+            type = types.listOf types.str;
+          };
+        };
+      }));
+      default = defaultProfiles;
     };
-    userEmail = mkOption {
+    defaultProfile = mkOption {
       type    = types.str;
-      default = "dev@felschr.com";
-    };
-    signingKey = mkOption {
-      type = types.str;
+      default = "private";
     };
   };
 
-  config = {
+  config = let
+    profiles = cfg.profiles;
+  in {
     programs.git = {
       enable = true;
-      userName = cfg.userName;
-      userEmail = cfg.userEmail;
+      userName = profiles."${cfg.defaultProfile}".name;
+      userEmail = profiles."${cfg.defaultProfile}".email;
       ignores = [".direnv"];
       signing = {
-        key = cfg.signingKey;
+        key = profiles."${cfg.defaultProfile}".signingKey;
         signByDefault = true;
       };
       extraConfig = {
         pull = { rebase = true; };
         rebase = { autoStash = true; };
       };
+      includes = flatten (mapAttrsToList (name: profile: map (dir: {
+        condition = "gitdir:${dir}";
+        contents = {
+          user = {
+            name = profile.name;
+            email = profile.email;
+            signingkey = profile.signingKey;
+          };
+        };
+      }) profile.dirs) profiles);
     };
   };
 }