Generate netlify _redirects from Hugo data file for editing in Forestry.io

_directories.md

• config.toml: /config.toml
• index.redir: /layouts/index.redir
• redirects-json.yml: .forestry/front_matter/templates/redirects-json.yml
• redirects.json: /data/redirects.json

config.toml

[outputs]
home = ["HTML", "REDIR"]

[mediaTypes]
[mediaTypes."text/netlify"]
delimiter = ""

[outputFormats]
[outputFormats.REDIR]
mediatype = "text/netlify"
baseName = "_redirects"
isPlainText = true
notAlternative = true

index.redir

# Netlify redirects. See https://www.netlify.com/docs/redirects/
# Edit redirects in /data/redirects.json

{{ range $r := .Site.Data.redirects }}
{{  $r.from }} {{ $r.to }} {{ if $r.status }}{{ $r.status }}{{ end }}
{{ end }}

redirects-json.yml

---
label: redirects.json
hide_body: true
is_partial: false
fields:
- name: Redirects
  label: Redirects
  type: field_group_list
  fields:
  - name: from
    label: From URL
    type: text
    hidden: false
    default: ''
    config:
      required: true
    description: URL to redirect from (/about.html)
  - name: to
    label: To URL
    type: text
    hidden: false
    default: ''
    config:
      required: true
    description: URL to redirect to (/about)
  - name: status
    label: Status
    type: text
    hidden: false
    default: ''
    description: 'Optional redirect status. Default: 301'
  hidden: false
  default: ''
  description: 'Documentation: https://www.netlify.com/docs/redirects/'
pages:
- data/redirects.json

redirects.json

[
  {
    "from": "/contact.html",
    "to": "/contact",
    "status": ""
  },
  {
    "from": "/home.html",
    "to": "/",
    "status": 302
  },
  {
    "from": "/about.html",
    "to": "/about"
  }
]

Gleaned from here: https://gohugo.io/news/http2-server-push-in-hugo/