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template: preserve quoted numeric strings in DeepCopyWithTemplate #5098

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Merged
siavashs merged 6 commits into from
Sep 9, 2026
Merged

template: preserve quoted numeric strings in DeepCopyWithTemplate #5098

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3a36ca5
feat(deepcopywithtemplate): improvments to keep quoted scalar as string
holger-waschke Mar 18, 2026
0da5231
chore(template_test.go): add additional unit test to test deepcopywit…
holger-waschke Mar 20, 2026
c9b1d81
Merge branch 'origin-main' into hwa/fix_deep_copy_with_template
holger-waschke Aug 10, 2026
78de602
Update template/template.go
holger-waschke Sep 8, 2026
e06c572
test(template): cover JSON and scalar rendering regressions
holger-waschke Sep 8, 2026
e9febdf
fix(template): correct indentation in DeepCopyWithTemplate function
holger-waschke Sep 9, 2026
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8 changes: 7 additions & 1 deletion template/template.go
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Original file line number Diff line number Diff line change
Expand Up @@ -463,10 +463,16 @@ func DeepCopyWithTemplate(value any, tmplTextFunc TemplateFunc) (any, error) {
if ok == nil {
var inlineType any
err := yaml.Unmarshal([]byte(parsed), &inlineType)
if err != nil || (inlineType != nil && reflect.TypeOf(inlineType).Kind() == reflect.String) {
if err != nil {
// ignore error, thus the string is not an interface
return parsed, ok
}
if inlineString, isString := inlineType.(string); isString {
return inlineString, ok
}
if strings.TrimSpace(parsed) == "" {
return parsed, ok
}
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return DeepCopyWithTemplate(inlineType, tmplTextFunc)
}
return parsed, ok
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8 changes: 8 additions & 0 deletions template/template_test.go
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Expand Up @@ -693,6 +693,14 @@ func TestDeepCopyWithTemplate(t *testing.T) {
fn: withSuffix,
want: "hello-templated",
},
{
title: "quoted numeric string stays string",
input: "hello",
fn: TemplateFunc(func(string) (string, error) {
return "\"123\"", nil
}),
want: "123",
},
{
title: "string parsed as YAML map",
input: "foo: bar",
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