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56 lines
1.0 KiB
Go
56 lines
1.0 KiB
Go
package mountlib
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import (
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"io"
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"os"
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"runtime"
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"github.com/pkg/errors"
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"github.com/rclone/rclone/fs"
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)
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// CheckMountEmpty checks if folder is empty
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func CheckMountEmpty(mountpoint string) error {
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fp, fpErr := os.Open(mountpoint)
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if fpErr != nil {
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return errors.Wrap(fpErr, "Can not open: "+mountpoint)
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}
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defer fs.CheckClose(fp, &fpErr)
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_, fpErr = fp.Readdirnames(1)
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if fpErr == io.EOF {
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return nil
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}
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msg := "Directory is not empty: " + mountpoint + " If you want to mount it anyway use: --allow-non-empty option"
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if fpErr == nil {
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return errors.New(msg)
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}
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return errors.Wrap(fpErr, msg)
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}
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// ClipBlocks clips the blocks pointed to the OS max
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func ClipBlocks(b *uint64) {
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var max uint64
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switch runtime.GOOS {
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case "windows":
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if runtime.GOARCH == "386" {
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max = (1 << 32) - 1
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} else {
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max = (1 << 43) - 1
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}
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case "darwin":
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// OSX FUSE only supports 32 bit number of blocks
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// https://github.com/osxfuse/osxfuse/issues/396
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max = (1 << 32) - 1
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default:
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// no clipping
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return
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}
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if *b > max {
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*b = max
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}
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}
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