fix: Make splitList output []interface{}

internal/cmd/config.go

@@ -398,6 +398,7 @@ func newConfig(options ...configOption) (*Config, error) {
 	// Override sprig template functions. Delete them from the template function
 	// map first to avoid a duplicate function panic.
 	delete(c.templateFuncs, "fromJson")
+	delete(c.templateFuncs, "splitList")
 	delete(c.templateFuncs, "toPrettyJson")
 
 	// The completion template function is added in persistentPreRunRootE as
@@ -477,6 +478,7 @@ func newConfig(options ...configOption) (*Config, error) {
 		"secret":                   c.secretTemplateFunc,
 		"secretJSON":               c.secretJSONTemplateFunc,
 		"setValueAtPath":           c.setValueAtPathTemplateFunc,
+		"splitList":                c.splitListTemplateFunc,
 		"stat":                     c.statTemplateFunc,
 		"toIni":                    c.toIniTemplateFunc,
 		"toPrettyJson":             c.toPrettyJsonTemplateFunc,

internal/cmd/templatefuncs.go

@@ -482,6 +482,15 @@ func (c *Config) setValueAtPathTemplateFunc(path, value, dict any) any {
 	return result
 }
 
+func (c *Config) splitListTemplateFunc(sep string, s string) []interface{} {
+	strSlice := strings.Split(s, sep)
+	result := make([]interface{}, len(strSlice))
+	for i, v := range strSlice {
+		result[i] = v
+	}
+	return result
+}
+
 func (c *Config) statTemplateFunc(name string) any {
 	switch fileInfo, err := c.fileSystem.Stat(name); {
 	case err == nil:

internal/cmd/testdata/scripts/issue3603.txtar

@@ -0,0 +1,2 @@
+exec chezmoi execute-template '{{ "a b" | splitList " " | quoteList }}'
+stdout '["a" "b"]'