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feat: add repository management to PackageManager
Expand the PackageManager interface to include repository management: adding repository content, removing repository content, enabling existing repositories, and disabling existing repositories.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "strings" | ||
| ) | ||
|
|
||
| // canonicalizeRepoName converts the string filename into a suitable filename. | ||
| // It replaces all spaces with underscores and appends the given suffix. | ||
| func canonicalizeRepoName(filename, suffix string) string { | ||
| return strings.TrimSuffix(strings.ReplaceAll(filename, " ", "_"), suffix) + suffix | ||
| } | ||
|
|
||
| // readLines reads each line in file into a slice. | ||
| func readLines(name string) ([]string, error) { | ||
| file, err := os.Open(name) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("cannot open file for reading: %w", err) | ||
| } | ||
| defer file.Close() | ||
|
|
||
| var lines []string | ||
| scanner := bufio.NewScanner(file) | ||
| scanner.Split(bufio.ScanLines) | ||
| for scanner.Scan() { | ||
| lines = append(lines, scanner.Text()) | ||
| } | ||
| if err := scanner.Err(); err != nil { | ||
| return nil, fmt.Errorf("cannot read file: %w", err) | ||
| } | ||
|
|
||
| return lines, nil | ||
| } | ||
|
|
||
| // writeLines writes lines to file name. If truncate is true, the file is | ||
| // truncated before writing. | ||
| func writeLines(name string, lines []string, truncate bool) error { | ||
| var data []byte | ||
|
|
||
| for _, line := range lines { | ||
| data = append(data, line+"\n"...) | ||
| } | ||
|
|
||
| if truncate { | ||
| return ioutil.WriteFile(name, data, 0644) | ||
| } else { | ||
| file, err := os.OpenFile(name, os.O_WRONLY|os.O_APPEND, 0644) | ||
| if err != nil { | ||
| return fmt.Errorf("cannot open file for appending: %w", err) | ||
| } | ||
| defer file.Close() | ||
|
|
||
| if _, err := file.Write(data); err != nil { | ||
| return fmt.Errorf("cannot write to file: %w", err) | ||
| } | ||
| } | ||
| return nil | ||
| } |