53 lines
1.0 KiB
Go
53 lines
1.0 KiB
Go
package log
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import (
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"fmt"
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"io"
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"os"
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"path/filepath"
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"github.com/ulikunitz/xz"
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)
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func compress(path string) {
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in, err := os.Open(path)
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if err != nil {
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fmt.Fprintf(os.Stderr, "compress %s: failed to open: %v", path, err)
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return
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}
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defer in.Close()
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outPath := filepath.Join(filepath.Dir(path), "archives", filepath.Base(path)+".xz")
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os.MkdirAll(filepath.Dir(outPath), 0700)
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out, err := os.Create(outPath)
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if err != nil {
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fmt.Fprintf(os.Stderr, "compress %s: failed to create target: %v", path, err)
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return
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}
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defer out.Close()
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w, err := xz.NewWriter(out)
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if err != nil {
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fmt.Fprintf(os.Stderr, "compress %s: failed to create writer: %v", path, err)
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return
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}
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if _, err := io.Copy(w, in); err != nil {
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fmt.Fprintf(os.Stderr, "compress %s: write failed: %v", path, err)
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return
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}
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if err := w.Close(); err != nil {
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fmt.Fprintf(os.Stderr, "compress %s: close failed: %v", path, err)
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return
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}
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if err := os.Remove(path); err != nil {
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fmt.Fprintf(os.Stderr, "compress %s: failed to remove source: %v", path, err)
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}
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}
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