a bit o' spruce, from http://play.spruce.cf

spruce.json

{"flavor":"1.16.1","prune":["meta"],"env":["HOME=/home/user"],"cherry_pick":[],"yaml":[{"filename":"file1.yml","contents":"--- #\njobs:\n- name: foobar\n  plan:\n  - get: number-one\n  - put: put-one\n  - task: foobar-task\n    input_mapping:\n      number-one: some-value\n\n\n"},{"filename":"file2.yml","contents":"--- # hammer\n- type: replace\n  path: /jobs/name=foobar/plan/task=foobar-task/input_mapping/new-input-mapping?\n  value: value-of-new-input\n \n- type: replace\n  path: /jobs/name=foobar/plan/-\n  value: { \"get\": \"something\" }\n  \n\n\n\n"}],"skip_eval":false,"fallback_append":false,"go_patch":true,"debug":false,"trace":false}