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-rw-r--r--flake.nix9
-rw-r--r--ops/ci/fmt.nix27
2 files changed, 34 insertions, 2 deletions
diff --git a/flake.nix b/flake.nix
index 86d32c8..db58906 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,7 +29,7 @@
};
# Output config, or config for NixOS system
- outputs = { ... }@inputs:
+ outputs = { self, ... }@inputs:
let lib = import ./nix { inherit inputs; };
in
{
@@ -42,7 +42,9 @@
let
pkgs = import inputs.nixpkgs { inherit system; };
home-manager = inputs.home-manager.defaultPackage."${system}";
- in {
+ ci = import ./ops/ci/fmt.nix { inherit pkgs; };
+ in
+ {
packages = pkgs // {
inherit home-manager;
@@ -58,6 +60,9 @@
};
};
+ # `nix run .#ci.format` formats in current directory!
+ apps.ci.format = ci.mkFmtScript self;
+
devShell = pkgs.mkShell {
buildInputs = with pkgs; [
nixUnstable
diff --git a/ops/ci/fmt.nix b/ops/ci/fmt.nix
new file mode 100644
index 0000000..a3d697c
--- /dev/null
+++ b/ops/ci/fmt.nix
@@ -0,0 +1,27 @@
+{ pkgs, ... }:
+let
+ config = pkgs.writeText "depot-treefmt-config" ''
+ [formatter.go]
+ command = "${pkgs.go}/bin/gofmt"
+ includes = ["*.go"]
+
+ [formatter.nix]
+ command = "${pkgs.nixpkgs-fmt}/bin/nixpkgs-fmt"
+ options = [ "--check"]
+ includes = [ "*.nix" ]
+ '';
+in
+rec {
+ mkFmtScript = src:
+ let
+ script = pkgs.writeScript "format" ''
+ set -euo pipefail
+ ROOT=$(${pkgs.git}/bin/git rev-parse --show-toplevel)
+ ${pkgs.treefmt}/bin/treefmt --clear-cache --fail-on-change --config-file ${config} --tree-root $ROOT
+ '';
+ in
+ {
+ type = "app";
+ program = "${script}";
+ };
+}