mirror of https://github.com/perkeep/perkeep.git
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
/*
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Copyright 2013 The Perkeep Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package fs
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import (
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"errors"
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"os/exec"
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"runtime"
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"time"
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)
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// Unmount attempts to unmount the provided FUSE mount point, forcibly
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// if necessary.
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func Unmount(point string) error {
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var cmd *exec.Cmd
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switch runtime.GOOS {
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case "darwin":
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cmd = exec.Command("/usr/sbin/diskutil", "umount", "force", point)
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case "linux":
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cmd = exec.Command("fusermount", "-u", point)
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default:
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return errors.New("unmount: unimplemented")
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}
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errc := make(chan error, 1)
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go func() {
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if err := exec.Command("umount", point).Run(); err == nil {
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errc <- err
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}
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// retry to unmount with the fallback cmd
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errc <- cmd.Run()
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}()
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select {
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case <-time.After(1 * time.Second):
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return errors.New("umount timeout")
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case err := <-errc:
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return err
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}
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}
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