refactor(template): isolate and add tests (#2069)

* refactor(template): isolate and add tests

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

---------

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
Signed-off-by: Dave <dave@gray101.com>
Co-authored-by: Dave <dave@gray101.com>

pkg/utils/path.go

@@ -2,10 +2,16 @@ package utils
 
 import (
 	"fmt"
+	"os"
 	"path/filepath"
 	"strings"
 )
 
+func ExistsInPath(path string, s string) bool {
+	_, err := os.Stat(filepath.Join(path, s))
+	return err == nil
+}
+
 func inTrustedRoot(path string, trustedRoot string) error {
 	for path != "/" {
 		path = filepath.Dir(path)