Mukan Erkin Törük
c32551b6f7
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34 lines
1 KiB
Go
34 lines
1 KiB
Go
package xos
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import (
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"io"
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"os"
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"git.cw.tr/mukan-network/mukan-ignite/ignite/pkg/errors"
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)
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// Rename copy oldPath to newPath and then delete oldPath.
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// Unlike os.Rename, it doesn't fail when the oldPath and newPath are in
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// different partitions (error: invalid cross-device link).
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func Rename(oldPath, newPath string) error {
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inputFile, err := os.Open(oldPath)
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if err != nil {
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return errors.Errorf("rename %s %s: couldn't open oldpath: %w", oldPath, newPath, err)
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}
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defer inputFile.Close()
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outputFile, err := os.Create(newPath)
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if err != nil {
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return errors.Errorf("rename %s %s: couldn't open dest file: %w", oldPath, newPath, err)
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}
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defer outputFile.Close()
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_, err = io.Copy(outputFile, inputFile)
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if err != nil {
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return errors.Errorf("rename %s %s: writing to output file failed: %w", oldPath, newPath, err)
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}
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// The copy was successful, so now delete the original file
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err = os.Remove(oldPath)
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if err != nil {
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return errors.Errorf("rename %s %s: failed removing original file: %w", oldPath, newPath, err)
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}
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return nil
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}
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