shithub: hugo

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tpl: Fix params case issue with nested template funcs

Fixes #2740

--- a/tpl/template_ast_transformers.go

+++ b/tpl/template_ast_transformers.go

@@ -97,7 +97,10 @@

 				c.updateIdentsIfNeeded(an.Ident)

 			case *parse.VariableNode:

 				c.updateIdentsIfNeeded(an.Ident)

+			case *parse.PipeNode:

+				c.paramsKeysToLower(an)

 			}

+

 		}

 	}

 }

--- a/tpl/template_ast_transformers_test.go

+++ b/tpl/template_ast_transformers_test.go

@@ -104,6 +104,12 @@

 {{ .NotParam }}

 {{ .NotParam }}

 {{ $notparam }}

+

+

+{{ $lower := .Site.Params.LOWER }}

+F1: {{ printf "themes/%s-theme" .Site.Params.LOWER }}

+F2: {{ Echo (printf "themes/%s-theme" $lower) }}

+F3: {{ Echo (printf "themes/%s-theme" .Site.Params.LOWER) }}

 `

 )

@@ -152,6 +158,12 @@

 	require.Contains(t, result, "RANGE: 3: P1L")

 	require.Contains(t, result, "Hi There")

+

+	// Issue #2740

+	require.Contains(t, result, "F1: themes/P2L-theme")

+	require.Contains(t, result, "F2: themes/P2L-theme")

+	require.Contains(t, result, "F3: themes/P2L-theme")

+

 }

 func BenchmarkTemplateParamsKeysToLower(b *testing.B) {