vendor/github.com/hashicorp/go-getter/detect_github.go

   1 package getter
   2
   3 import (
   4         "fmt"
   5         "net/url"
   6         "strings"
   7 )
   8
   9 // GitHubDetector implements Detector to detect GitHub URLs and turn
  10 // them into URLs that the Git Getter can understand.
  11 type GitHubDetector struct{}
  12
  13 func (d *GitHubDetector) Detect(src, _ string) (string, bool, error) {
  14         if len(src) == 0 {
  15                 return "", false, nil
  16         }
  17
  18         if strings.HasPrefix(src, "github.com/") {
  19                 return d.detectHTTP(src)
  20         }
  21
  22         return "", false, nil
  23 }
  24
  25 func (d *GitHubDetector) detectHTTP(src string) (string, bool, error) {
  26         parts := strings.Split(src, "/")
  27         if len(parts) < 3 {
  28                 return "", false, fmt.Errorf(
  29                         "GitHub URLs should be github.com/username/repo")
  30         }
  31
  32         urlStr := fmt.Sprintf("https://%s", strings.Join(parts[:3], "/"))
  33         url, err := url.Parse(urlStr)
  34         if err != nil {
  35                 return "", true, fmt.Errorf("error parsing GitHub URL: %s", err)
  36         }
  37
  38         if !strings.HasSuffix(url.Path, ".git") {
  39                 url.Path += ".git"
  40         }
  41
  42         if len(parts) > 3 {
  43                 url.Path += "//" + strings.Join(parts[3:], "/")
  44         }
  45
  46         return "git::" + url.String(), true, nil
  47 }