diff --git a/nix/configurations/hydrogen.nix b/nix/configurations/hydrogen.nix
index 6cc9c558..f4d95050 100644
--- a/nix/configurations/hydrogen.nix
+++ b/nix/configurations/hydrogen.nix
@@ -98,6 +98,7 @@ in
           # home modules
           #
           ./hydrogen/home/programs.nix
+          ./hydrogen/home/dev.nix
 
           ../homeModules/common/btop
           ../homeModules/common/fish
diff --git a/nix/configurations/hydrogen/home/dev.nix b/nix/configurations/hydrogen/home/dev.nix
new file mode 100644
index 00000000..d10f4926
--- /dev/null
+++ b/nix/configurations/hydrogen/home/dev.nix
@@ -0,0 +1,90 @@
+{pkgs, ...}: {
+  home.packages = [
+    pkgs.nil # nix
+    pkgs.pyright # python
+  ];
+
+  programs.git = {
+    enable = true;
+    signing.signByDefault = false; # no need to setup the key
+    includes = let
+      hasconfigRemoteCondition = cfg: let
+        cfg' = builtins.removeAttrs cfg ["url" "path"];
+        path = cfg.path or "*/**";
+      in [
+        (cfg' // {condition = "hasconfig:remote.*.url:git@${cfg.url}:${path}";})
+        (cfg' // {condition = "hasconfig:remote.*.url:https://${cfg.url}/${path}";})
+      ];
+
+      haskellIdentity = {
+        init.defaultBranch = "main";
+        user.name = "Léana Jiang";
+      };
+
+      universityIdentity = {
+        init.defaultBranch = "main";
+        user = {
+          name = "Léana CHIANG";
+          email = "leana.chiang@etudiant.univ-rennes1.fr";
+          signingKey = "0x32035DB97E777EEB";
+        };
+      };
+
+      blameIgnore = {
+        blame.ignoreRevsFile = ".git-blame-ignore-revs";
+      };
+    in
+      builtins.concatMap hasconfigRemoteCondition [
+        # Univ stuff
+        {
+          url = "gitlab.istic.univ-rennes1.fr";
+          contents = universityIdentity;
+        }
+        {
+          url = "gitlab2.istic.univ-rennes1.fr";
+          contents = universityIdentity;
+        }
+
+        # Haskell
+        {
+          url = "gitlab.haskell.org";
+          contents = haskellIdentity;
+        }
+
+        # Blame
+        # Turning this on globally will fail if the file doesn't exist
+        {
+          url = "github.com";
+          path = "nixos/nixpkgs.git";
+          contents = blameIgnore;
+        }
+        {
+          url = "gitlab.haskell.org";
+          path = "ghc/ghc.git";
+          contents = blameIgnore;
+        }
+        {
+          url = "github.com";
+          path = "haskell/cabal.git";
+          contents = blameIgnore;
+        }
+      ];
+  };
+
+  programs.gpg.enable = true;
+
+  nix = {
+    settings = {
+      extra-substituters = [
+        "https://ghc-nix.cachix.org"
+        "https://haskell-language-server.cachix.org"
+        "https://cache.iog.io"
+      ];
+      extra-trusted-public-keys = [
+        "ghc-nix.cachix.org-1:ziC/I4BPqeA4VbtOFpFpu6D1t6ymFvRWke/lc2+qjcg="
+        "haskell-language-server.cachix.org-1:juFfHrwkOxqIOZShtC4YC1uT1bBcq2RSvC7OMKx0Nz8="
+        "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
+      ];
+    };
+  };
+}