add samples/mount_hello executable
This is a simple program to verify that the FUSE library itself works, easier to run than the existing samples/mount with flushfs.geesefs-0-30-9
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// Copyright 2015 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// A simple tool for mounting sample file systems, used by the tests in
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// samples/.
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package main
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import (
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"context"
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"flag"
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"log"
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"os"
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"github.com/jacobsa/fuse"
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"github.com/jacobsa/fuse/samples/hellofs"
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"github.com/jacobsa/timeutil"
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)
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var fType = flag.String("type", "", "The name of the samples/ sub-dir.")
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var fMountPoint = flag.String("mount_point", "", "Path to mount point.")
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var fReadyFile = flag.Uint64("ready_file", 0, "FD to signal when ready.")
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var fReadOnly = flag.Bool("read_only", false, "Mount in read-only mode.")
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var fDebug = flag.Bool("debug", false, "Enable debug logging.")
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func main() {
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flag.Parse()
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// Create an appropriate file system.
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server, err := hellofs.NewHelloFS(timeutil.RealClock())
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if err != nil {
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log.Fatalf("makeFS: %v", err)
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}
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// Mount the file system.
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if *fMountPoint == "" {
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log.Fatalf("You must set --mount_point.")
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}
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cfg := &fuse.MountConfig{
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ReadOnly: *fReadOnly,
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}
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if *fDebug {
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cfg.DebugLogger = log.New(os.Stderr, "fuse: ", 0)
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}
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mfs, err := fuse.Mount(*fMountPoint, server, cfg)
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if err != nil {
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log.Fatalf("Mount: %v", err)
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}
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// Wait for it to be unmounted.
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if err = mfs.Join(context.Background()); err != nil {
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log.Fatalf("Join: %v", err)
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}
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}
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