hugo/testscripts/commands/deprecate.txt

# Test deprecation logging.
hugo -e info --logLevel info
stdout 'INFO  deprecated: item was deprecated in Hugo'

hugo -e warn --logLevel warn
stdout 'WARN  deprecated: item was deprecated in Hugo'

! hugo -e error --logLevel warn
stdout 'ERROR deprecated: item was deprecated in Hugo'

-- hugo.toml --
baseURL = "https://example.com/"
disableKinds = ["taxonomy", "term"]
-- layouts/index.html --
Deprecate:
{{ if eq hugo.Environment "info" }}
    {{ debug.TestDeprecationInfo "item" "alternative" }}
{{ end }}
{{ if eq hugo.Environment "warn" }}
    {{ debug.TestDeprecationWarn "item" "alternative" }}
{{ end }}
{{ if eq hugo.Environment "error" }}
    {{ debug.TestDeprecationErr "item" "alternative" }}
{{ end }}