Implement downloading releases

utils.go

@@ -1 +1,17 @@
-package main
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+func GetVersion(data string) (version string, err error) {
+	lines := strings.Split(data, "\n")
+	for _, line := range lines {
+		version = versionRegex.FindString(line)
+		if version != "" {
+			return version, nil
+		}
+	}
+	return "", fmt.Errorf("no version found")
+}