multilingual: Warn when resources are discarded #12079
Description
Reference: https://discourse.gohugo.io/t/hugo-v0-123-0-images-are-not-showing-up-any-more/48359/9
This is a goofy setup to begin with, but maybe we should warn users if we're going to discard resources.
content/
├── de/
│ └── s1/
│ └── files/ <-- branch bundle
│ ├── _index.md
│ └── a.txt
└── en/
└── s1/
└── files/ <-- just a dumb directory of s1 page resources
└── b.txt
Build with v0.122.0
public/
├── de/
│ ├── s1/
│ │ ├── files/
│ │ │ ├── a.txt
│ │ │ └── index.html
│ │ └── index.html
│ └── index.html
├── en/
│ ├── s1/
│ │ └── files/
│ │ └── b.txt <-- discarded with v0.123.0 (see below)
│ └── index.html
└── index.html
Build with v0.123.0
public/
├── de/
│ ├── s1/
│ │ ├── files/
│ │ │ ├── a.txt
│ │ │ └── index.html
│ │ └── index.html
│ └── index.html
├── en/
│ └── index.html
└── index.html
test case
func TestFoo(t *testing.T) {
t.Parallel()
files := `
-- config.toml --
disableKinds = ['rss','sitemap','taxonomy','term']
defaultContentLanguage = 'en'
defaultContentLanguageInSubdir = true
[languages.en]
contentDir = 'content/en'
weight = 1
[languages.de]
contentDir = 'content/de'
weight = 2
-- layouts/_default/list.html --
{{ .Title }}
-- content/de/s1/files/_index.md --
---
title: irrelevant
---
-- content/de/s1/files/a.txt --
I am de/s1/files/a.txt
--
-- content/en/s1/files/b.txt --
I am en/s1/files/b.txt
`
b := hugolib.Test(t, files)
b.AssertFileExists("public/de/s1/files/index.html", true)
b.AssertFileExists("public/en/s1/files/index.html", false)
b.AssertFileExists("public/de/s1/files/a.txt", true)
// This is the failing test:
b.AssertFileExists("public/en/s1/files/b.txt", true)
}