test: Also check yaml format in .yml files

.github/FUNDING.yml

@@ -1,3 +1,4 @@
+---
 # You can add one username per supported platform and one custom link.
 custom: "https://paypal.me/purpleidea"
 github: purpleidea

.github/settings.yml

@@ -1,3 +1,4 @@
+---
 # These settings are synced to GitHub by https://probot.github.io/apps/settings/
 
 repository:
@@ -77,7 +78,7 @@ labels:
 # oldname: Help Wanted
 
 # Collaborators: give specific users access to this repository.
-#collaborators:
+# collaborators:
 # - username: purpleidea
 # # Note: Only valid on organization-owned repositories.
 # # The permission to grant the collaborator. Can be one of:
@@ -91,7 +92,7 @@ labels:
 
 # NOTE: The APIs needed for teams are not supported yet by GitHub Apps
 # https://developer.github.com/v3/apps/available-endpoints/
-#teams:
+# teams:
 # - name: core
 # permission: admin
 # - name: docs

.travis.yml

@@ -1,3 +1,4 @@
+---
 language: go
 os:
  - linux
@@ -20,34 +21,35 @@ before_install:
  - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then travis_retry travis_retry sudo apt update; fi
  - git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
  - git fetch --unshallow
+
 install: 'make deps'
 matrix:
  fast_finish: false
  allow_failures:
- - go: 1.21.x
- - go: tip
- - os: osx
+  - go: 1.21.x
+  - go: tip
+  - os: osx
  # include only one build for osx for a quicker build as the nr. of these runners are sparse
  include:
- - name: "basic tests"
- go: 1.20.x
- env: TEST_BLOCK=basic
- - name: "shell tests"
- go: 1.20.x
- env: TEST_BLOCK=shell
- - name: "race tests"
- go: 1.20.x
- env: TEST_BLOCK=race
- - go: 1.21.x
- - go: tip
- - os: osx
+  - name: "basic tests"
+  go: 1.20.x
+  env: TEST_BLOCK=basic
+  - name: "shell tests"
+  go: 1.20.x
+  env: TEST_BLOCK=shell
+  - name: "race tests"
+  go: 1.20.x
+  env: TEST_BLOCK=race
+  - go: 1.21.x
+  - go: tip
+  - os: osx
 script: 'TEST_BLOCK="$TEST_BLOCK" make test'
 
 # the "secure" channel value is the result of running: ./misc/travis-encrypt.sh
 # with a value of: irc.freenode.net#mgmtconfig to eliminate noise from forks...
 notifications:
  irc:
- #channels:
+ # channels:
  # - secure: 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
  template:
  - "%{repository} (%{commit}: %{author}): %{message}"

test/test-yamlfmt.sh

@@ -15,12 +15,12 @@ if [ -z "$LINTER" ]; then
 fi
 
 find_files() {
- git ls-files | grep '\.yaml$' \
+ git ls-files | grep '\.ya\?ml$' \
  || fail_test "Could not find yaml files via git ls-files"
 }
 
 bad_files=$(
- find_files | xargs $LINTER | grep '\.yaml$'
+ find_files | xargs $LINTER | grep '\.ya\?ml$'
 )
 
 if [[ -n "${bad_files}" ]]; then