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// Copyright 2021 Google LLC
//
// 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 fuse
import (
"os"
"github.com/GoogleCloudPlatform/cloudsql-proxy/logging"
)
const (
macfusePath = "/Library/Filesystems/macfuse.fs/Contents/Resources/mount_macfuse"
osxfusePath = "/Library/Filesystems/osxfuse.fs/Contents/Resources/mount_osxfuse"
)
// Supported checks if macfuse or osxfuse are installed on the host by looking
// for both in their known installation location.
func Supported() bool {
// This code follows the same strategy as hanwen/go-fuse.
// See https://github.com/hanwen/go-fuse/blob/0f728ba15b38579efefc3dc47821882ca18ffea7/fuse/mount_darwin.go#L121-L124.
// check for macfuse first (newer version of osxfuse)
if _, err := os.Stat(macfusePath); err != nil {
// if that fails, check for osxfuse next
if _, err := os.Stat(osxfusePath); err != nil {
logging.Errorf("Failed to find osxfuse or macfuse. Verify FUSE installation and try again (see https://osxfuse.github.io).")
return false
}
}
return true
}
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