chore: import upstream snapshot with attribution

scripts/volcengine/env.go

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+func updateEnvVarInFile(key, newValue string) {
+	oldValue := os.Getenv(key)
+	if len(oldValue) > 0 {
+		return
+	}
+
+	filePath := ".env"
+	input, err := os.ReadFile(filePath)
+	if err != nil {
+		panic(fmt.Errorf("can not read file %s: %w", ".env", err))
+	}
+
+	lines := strings.Split(string(input), "\n")
+	found := false
+
+	for i, line := range lines {
+		trimmedLine := strings.TrimSpace(line)
+
+		var prefix string
+		if strings.HasPrefix(trimmedLine, "export ") {
+			prefix = "export "
+			trimmedLine = strings.TrimPrefix(trimmedLine, "export ")
+		}
+
+		parts := strings.SplitN(trimmedLine, "=", 2)
+		if len(parts) == 2 && parts[0] == key {
+			lines[i] = fmt.Sprintf(`%s%s="%s"`, prefix, key, newValue)
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		panic(fmt.Errorf("can not find var %s in file %s", key, filePath))
+	}
+
+	output := strings.Join(lines, "\n")
+	err = os.WriteFile(filePath, []byte(output), 0o644)
+	if err != nil {
+		panic(fmt.Errorf("can not write file %s: %w", filePath, err))
+	}
+}