48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
package utils
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import (
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"io/fs"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/pkg/errors"
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)
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var sizeSuffixes = [...]string{"B", "KiB", "MiB", "GiB", "TiB"}
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// ConvertFileSize converts size in bytes down to biggest units it represents.
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// Returns converted size, unit and, a concatenation of size and unit
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func ConvertFileSize(size int64) (float64, string, string) {
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var idx int
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var fSize float64 = float64(size)
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for idx = 0; fSize >= 1024; fSize /= 1024 {
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idx++
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}
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fSizeStr := strconv.FormatFloat(fSize, 'f', 3, 64)
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fSizeStr = strings.TrimRight(fSizeStr, "0")
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fSizeStr = strings.TrimSuffix(fSizeStr, ".")
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return fSize, sizeSuffixes[idx], strings.Join([]string{fSizeStr, sizeSuffixes[idx]}, " ")
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}
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func DirectorySize(path string) (dirSz int64, err error) {
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err = filepath.Walk(path, func(_ string, info fs.FileInfo, err error) error {
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if err != nil {
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return errors.Wrapf(err, "failed to compute %s directory size", path)
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}
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dirSz += info.Size()
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return nil
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})
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if err != nil {
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return 0, err
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}
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return dirSz - 4096, nil
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}
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