2 files changed, 9 insertions, 0 deletions

diff --git a/flake.nix b/flake.nix
index 8c46e88..170f9de 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,6 +39,9 @@
             git
             gitui
             sops
+
+            # Formatting
+            treefmt
             nixfmt-rfc-style
           ];
         };
diff --git a/treefmt.toml b/treefmt.toml
new file mode 100644
index 0000000..13bf952
--- /dev/null
+++ b/treefmt.toml
@@ -0,0 +1,6 @@
+[global]
+excludes = ["secrets/*", ".*ignore", ".git*", "*.lock"]
+
+[formatter.nix]
+command = "nixfmt"
+includes = [ "*.nix" ]