dep ensure

vendor/github.com/hanwen/go-fuse/fuse/mount_darwin.go

@@ -0,0 +1,82 @@
+// Copyright 2016 the Go-FUSE Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package fuse
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"syscall"
+)
+
+func openFUSEDevice() (*os.File, error) {
+	fs, err := filepath.Glob("/dev/osxfuse*")
+	if err != nil {
+		return nil, err
+	}
+	if len(fs) == 0 {
+		// TODO(hanwen): run the load_osxfuse command.
+		return nil, fmt.Errorf("no FUSE devices found")
+	}
+	for _, fn := range fs {
+		f, err := os.OpenFile(fn, os.O_RDWR, 0)
+		if err != nil {
+			continue
+		}
+		return f, nil
+	}
+
+	return nil, fmt.Errorf("all FUSE devices busy")
+}
+
+const oldMountBin = "/Library/Filesystems/osxfusefs.fs/Support/mount_osxfusefs"
+const newMountBin = "/Library/Filesystems/osxfuse.fs/Contents/Resources/mount_osxfuse"
+
+func mount(mountPoint string, opts *MountOptions, ready chan<- error) (fd int, err error) {
+	f, err := openFUSEDevice()
+	if err != nil {
+		return 0, err
+	}
+
+	bin := oldMountBin
+	if _, err := os.Stat(newMountBin); err == nil {
+		bin = newMountBin
+	}
+
+	cmd := exec.Command(bin, "-o", strings.Join(opts.optionsStrings(), ","), "-o", fmt.Sprintf("iosize=%d", opts.MaxWrite), "3", mountPoint)
+	cmd.ExtraFiles = []*os.File{f}
+	cmd.Env = append(os.Environ(), "MOUNT_FUSEFS_CALL_BY_LIB=", "MOUNT_OSXFUSE_CALL_BY_LIB=",
+		"MOUNT_OSXFUSE_DAEMON_PATH="+os.Args[0],
+		"MOUNT_FUSEFS_DAEMON_PATH="+os.Args[0])
+
+	var out, errOut bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &errOut
+
+	if err := cmd.Start(); err != nil {
+		f.Close()
+		return 0, err
+	}
+	go func() {
+		err := cmd.Wait()
+		if err != nil {
+			err = fmt.Errorf("mount_osxfusefs failed: %v. Stderr: %s, Stdout: %s", err, errOut.String(), out.String())
+		}
+
+		ready <- err
+		close(ready)
+	}()
+
+	// The finalizer for f will close its fd so we return a dup.
+	defer f.Close()
+	return syscall.Dup(int(f.Fd()))
+}
+
+func unmount(dir string) error {
+	return syscall.Unmount(dir, 0)
+}