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Merge pull request #1144 from wjkohnen/close-exclude-files
Close exclude files and check errors
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commit
d35eb6a0c3
@ -408,31 +408,7 @@ func runBackup(opts BackupOptions, gopts GlobalOptions, args []string) error {
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// add patterns from file
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if len(opts.ExcludeFiles) > 0 {
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for _, filename := range opts.ExcludeFiles {
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file, err := fs.Open(filename)
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if err != nil {
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Warnf("error reading exclude patterns: %v", err)
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return nil
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}
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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// ignore empty lines
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if line == "" {
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continue
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}
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// strip comments
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if strings.HasPrefix(line, "#") {
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continue
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}
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line = os.ExpandEnv(line)
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opts.Excludes = append(opts.Excludes, line)
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}
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}
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opts.Excludes = append(opts.Excludes, readExcludePatternsFromFiles(opts.ExcludeFiles)...)
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}
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selectFilter := func(item string, fi os.FileInfo) bool {
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@ -499,3 +475,45 @@ func runBackup(opts BackupOptions, gopts GlobalOptions, args []string) error {
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return nil
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}
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func readExcludePatternsFromFiles(excludeFiles []string) []string {
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var excludes []string
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for _, filename := range excludeFiles {
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err := func() (err error) {
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file, err := fs.Open(filename)
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if err != nil {
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return err
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}
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defer func() {
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// return pre-close error if there was one
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if errClose := file.Close(); err == nil {
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err = errClose
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}
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}()
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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// ignore empty lines
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if line == "" {
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continue
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}
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// strip comments
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if strings.HasPrefix(line, "#") {
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continue
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}
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line = os.ExpandEnv(line)
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excludes = append(excludes, line)
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}
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return scanner.Err()
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}()
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if err != nil {
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Warnf("error reading exclude patterns: %v:", err)
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return nil
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}
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}
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return excludes
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}
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