/
unrelatedFileCleaner.go
50 lines (41 loc) · 1.33 KB
/
unrelatedFileCleaner.go
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package command
import (
"fmt"
"io"
"os"
"path/filepath"
)
// DirectoryCleaner cleans up unrelated files
type DirectoryCleaner struct {
outputFolder string
}
// NewDirectoryCleaner returns a new directoryCleaner
func NewDirectoryCleaner(outputFolder string) *DirectoryCleaner {
return &DirectoryCleaner{
outputFolder: outputFolder,
}
}
// CleanupUnrelatedFiles searches the outputFolder for files that are not in relatedFiles and deletes them
func (cleaner DirectoryCleaner) CleanupUnrelatedFiles(relatedFiles []string, writer io.Writer) error {
unrelatedFiles := cleaner.findUnrelatedFiles(relatedFiles)
for _, unrelatedFile := range unrelatedFiles {
fmt.Fprintf(writer, "Removing file: %s\n", unrelatedFile)
err := os.Remove(unrelatedFile)
if err != nil {
return fmt.Errorf("could not remove unrelated file: %v", err)
}
}
return nil
}
func (cleaner DirectoryCleaner) findUnrelatedFiles(relatedFiles []string) []string {
dir, _ := os.Open(cleaner.outputFolder)
files, _ := dir.Readdir(-1)
unrelatedFiles := make([]string, 0, len(files))
for _, file := range files {
absoluteFileName, err := filepath.Abs(fmt.Sprintf("%s/%s", cleaner.outputFolder, file.Name()))
if err == nil && !ContainsString(absoluteFileName, relatedFiles) {
unrelatedFiles = append(unrelatedFiles, absoluteFileName)
}
}
return unrelatedFiles
}