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Fix resource transformation chaining after content access

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When a transformed resource had been initialized (e.g. via .Data, .Content
or .RelPermalink) before chaining another transformation, the new chain
would run on the transformed output instead of the original source,
re-running all transformations on their own output.

Fixes #15189

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Bjørn Erik Pedersen
2026-08-10 18:10:06 +02:00
committed by GitHub
parent 8a55df7af2
commit f772998fa3
2 changed files with 52 additions and 1 deletions
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tpl/css/build_integration_test.go
+43
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@@ -537,6 +537,49 @@ ARTIFACT: {{ .RelPermalink }}|{{ .Permalink }}|{{ .MediaType.Type }}
b.AssertFileExists("public/css/main.css.map", true)
}
func TestCSSBuildDataArtifactsAndThenFingerprint(t *testing.T) {
t.Parallel()
files := `
-- hugo.toml --
baseURL = "https://example.org/mysite/"
disableKinds = ['page','rss','section','sitemap','taxonomy','term']
-- assets/css/main.css --
@import "/fonts/fonts.css";
body { color: #222; }
-- assets/fonts/fonts.css --
@font-face {
font-family: 'Comic Neue';
src: url(ComicNeue-Regular.woff2) format('woff2'), url(ComicNeue-Regular.ttf) format('truetype');
}
-- assets/fonts/ComicNeue-Regular.ttf --
fakefontdata
-- assets/fonts/ComicNeue-Regular.woff2 --
fakefontdata2
-- layouts/home.html --
{{ with resources.Get "css/main.css" }}
ORIG CSS SHA256: {{ .Content | crypto.Hash "sha256" }}|
{{ with . | css.Build (dict "minify" true) }}
{{ range .Data.Artifacts }}
ARTIFACT: {{ .RelPermalink }}|{{ .Permalink }}|{{ .MediaType.Type }}
{{ end }}
BUILT CSS SHA256: {{ .Content | crypto.Hash "sha256" }}|
{{ with . | fingerprint }}
FINGERPRINTED: {{ .RelPermalink }}|
{{ end }}
{{ end }}
{{ end }}
`
b := hugolib.Test(t, files, hugolib.TestOptOsFs())
b.AssertFileContent("public/index.html",
"ARTIFACT: /mysite/css/ComicNeue-Regular-UA4ODE7N.ttf|",
"ORIG CSS SHA256: a2b878c05df0f346c3854caebd21f00bb0965b46628440b8ccb31ce675af6bfe|",
"BUILT CSS SHA256: 5f8757d5579386b8755e0df759c7eecfd069c385294dfe7bc3695862d7f218b1|",
"FINGERPRINTED: /mysite/css/main.5f8757d5579386b8755e0df759c7eecfd069c385294dfe7bc3695862d7f218b1.css|",
)
}
// Issue #14623
func TestCSSBuildLoadersPartial(t *testing.T) {
t.Parallel()