76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
package healthcheck
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import (
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"bufio"
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"fmt"
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"os"
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"path/filepath"
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)
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// fileExists checks if a file exists at the specified path.
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func fileExists(filePath string) bool {
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_, err := os.Stat(filePath)
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return !os.IsNotExist(err)
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}
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// filesMatch checks if two files are identical.
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func filesMatch(file1, file2 string) (bool, error) {
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f1, err := os.Open(file1)
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if err != nil {
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return false, err
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}
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defer f1.Close()
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f2, err := os.Open(file2)
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if err != nil {
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return false, err
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}
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defer f2.Close()
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scanner1 := bufio.NewScanner(f1)
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scanner2 := bufio.NewScanner(f2)
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for scanner1.Scan() && scanner2.Scan() {
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line1 := scanner1.Text()
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line2 := scanner2.Text()
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if line1 != line2 {
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return false, nil
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}
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}
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if scanner1.Scan() || scanner2.Scan() {
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// One file has more lines than the other
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return false, nil
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}
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return true, nil
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}
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// VerifyDirectory checks if the contents of two directories are identical.
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func VerifyDirectory(rootDir, compareDir string) error {
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err := filepath.Walk(rootDir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return fmt.Errorf("error walking directory: %w", err)
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}
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if !info.IsDir() {
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relPath, _ := filepath.Rel(rootDir, path)
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file2 := filepath.Join(compareDir, relPath)
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if !fileExists(file2) {
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return fmt.Errorf("File %s is missing. Please immediately revert your changes!\n",
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filepath.Join(rootDir, relPath))
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}
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match, err := filesMatch(path, file2)
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if err != nil {
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return fmt.Errorf("error matching files: %w", err)
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}
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if !match {
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return fmt.Errorf("File %s is altered. Please revert your changes or contact the teaching team if you have a valid reason for adjusting them.\n",
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filepath.Join(rootDir, relPath))
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}
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}
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return nil
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})
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return err
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}
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