Replace dprint prettier plugin with yamlfmt

.github/dependabot.yml

@@ -10,8 +10,8 @@ updates:
       determinatesystems-actions:
         patterns:
           - 'DeterminateSystems*'
-  # TODO: Consider to enable this feature after realized CI
-  # - package-ecosystem: 'docker'
-  #   directory: '/'
-  #   schedule:
-  #     interval: 'monthly'
+# TODO: Consider to enable this feature after realized CI
+# - package-ecosystem: 'docker'
+#   directory: '/'
+#   schedule:
+#     interval: 'monthly'

.github/renovate.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "github>kachick/renovate-config-dprint#1.1.0"
+  ],
+  "labels": ["dependencies", "renovate"],
+  "nix": {
+    "enabled": false
+  }
+}

.github/workflows/lint.yml

@@ -14,6 +14,17 @@ jobs:
         with:
           dprint-version: '0.45.1' # selfup { "regex": "\\d[^']+", "script": "dprint --version | cut -d ' ' -f 2" }
 
+  yamlfmt:
+    timeout-minutes: 15
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+      - name: Install yamlfmt
+        run: go install github.com/google/yamlfmt/cmd/[email protected] # TODO: Apply selfup after https://github.com/google/yamlfmt/pull/180
+      - run: yamlfmt -lint .
+
   typos:
     timeout-minutes: 15
     runs-on: ubuntu-24.04

.vscode/extensions.json

@@ -4,6 +4,7 @@
     "editorconfig.editorconfig",
     "tekumara.typos-vscode",
     "dprint.dprint",
+    "kachick.vscode-yamlfmt",
     "jnoortheen.nix-ide",
     "ms-azuretools.vscode-docker"
   ]

.vscode/settings.json

@@ -1,6 +1,12 @@
 {
   "editor.defaultFormatter": "dprint.dprint",
   "editor.formatOnSave": true,
+  "[yaml]": {
+    "editor.defaultFormatter": "kachick.vscode-yamlfmt"
+  },
+  "[github-actions-workflow]": {
+    "editor.defaultFormatter": "kachick.vscode-yamlfmt"
+  },
   "nix.enableLanguageServer": true,
   "nix.serverPath": "nil",
   "nix.serverSettings": {

Taskfile.yml

@@ -19,10 +19,12 @@ tasks:
     cmds:
       - dprint fmt
       - nixpkgs-fmt ./*.nix
+      - yamlfmt .
       - shfmt --write ./images/*/*.bash
   lint:
     cmds:
       - dprint check
+      - yamlfmt -lint .
       - typos . .github .vscode
       - nixpkgs-fmt --check ./*.nix
       - trivy config --exit-code 1 .
@@ -39,5 +41,6 @@ tasks:
       - nil --version
       - task --version
       - dprint --version
+      - yamlfmt -version
       - typos --version
       - trivy --version

flake.nix

@@ -26,6 +26,7 @@
               nixpkgs-fmt
               go-task
               dprint
+              yamlfmt
               typos
               shfmt
               shellcheck

images/ubuntu-nix-systemd/try.bash

@@ -5,7 +5,7 @@ set -euxo pipefail
 image_tag=ubuntu-nix-systemd
 user="$1"
 
-podman build --tag "$image_tag" --build-arg username="$user" --file "./images/${image_tag}/Containerfile"  .
+podman build --tag "$image_tag" --build-arg username="$user" --file "./images/${image_tag}/Containerfile" .
 container_id="$(podman run --rm --detach "$image_tag")"
 sleep 1 # Wait systemd to be ready
 podman exec --user "$user" --interactive --tty "$container_id" bash

yamlfmt.yml

@@ -0,0 +1,7 @@
+gitignore_excludes: true
+line_ending: lf
+formatter:
+  type: basic
+  retain_line_breaks_single: true
+  # https://github.com/google/yamlfmt/issues/182
+  scan_folded_as_literal: true