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package templates
import (
"errors"
"text/template"
"github.com/Masterminds/sprig/v3"
)
// GetFuncMap returns the list of functions provided by sprig. It changes the
// function "fail" to set the given string, this way we can report template
// errors directly to the template without having the wrapper that text/template
// adds.
//
// sprig "env" and "expandenv" functions are removed to avoid the leak of
// information.
func GetFuncMap(failMessage *string) template.FuncMap {
m := sprig.TxtFuncMap()
delete(m, "env")
delete(m, "expandenv")
m["fail"] = func(msg string) (string, error) {
*failMessage = msg
return "", errors.New(msg)
}
return m
}
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