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Merge pull request #4590 from renard/optimize-mount-failure

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mount: detect mountpoint does not exist before opening the repository
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Michael Eischer 2023-12-24 10:59:56 +00:00 committed by GitHub
commit 433dd92959
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2 changed files with 16 additions and 6 deletions
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7
changelog/unreleased/pull-4590 Normal file
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@ -0,0 +1,7 @@
Enhancement: `mount` tests mountpoint existence before opening the repository
The restic `mount` command now checks for the existence of the
mountpoint before opening the repository, leading to quicker error
detection.
https://github.com/restic/restic/pull/4590

15
cmd/restic/cmd_mount.go
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@ -113,6 +113,15 @@ func runMount(ctx context.Context, opts MountOptions, gopts GlobalOptions, args
return errors.Fatal("wrong number of parameters")
}
mountpoint := args[0]
// Check the existence of the mount point at the earliest stage to
// prevent unnecessary computations while opening the repository.
if _, err := resticfs.Stat(mountpoint); errors.Is(err, os.ErrNotExist) {
Verbosef("Mountpoint %s doesn't exist\n", mountpoint)
return err
}
debug.Log("start mount")
defer debug.Log("finish mount")
@ -136,12 +145,6 @@ func runMount(ctx context.Context, opts MountOptions, gopts GlobalOptions, args
return err
}
mountpoint := args[0]
if _, err := resticfs.Stat(mountpoint); errors.Is(err, os.ErrNotExist) {
Verbosef("Mountpoint %s doesn't exist\n", mountpoint)
return err
}
mountOptions := []systemFuse.MountOption{
systemFuse.ReadOnly(),
systemFuse.FSName("restic"),