url.go

Documentation: github.com/cli/go-gh/v2/internal/git

     1  package git
     2  
     3  import (
     4  	"fmt"
     5  	"net/url"
     6  	"strings"
     7  )
     8  
     9  func IsURL(u string) bool {
    10  	return strings.HasPrefix(u, "git@") || isSupportedProtocol(u)
    11  }
    12  
    13  func isSupportedProtocol(u string) bool {
    14  	return strings.HasPrefix(u, "ssh:") ||
    15  		strings.HasPrefix(u, "git+ssh:") ||
    16  		strings.HasPrefix(u, "git:") ||
    17  		strings.HasPrefix(u, "http:") ||
    18  		strings.HasPrefix(u, "git+https:") ||
    19  		strings.HasPrefix(u, "https:")
    20  }
    21  
    22  func isPossibleProtocol(u string) bool {
    23  	return isSupportedProtocol(u) ||
    24  		strings.HasPrefix(u, "ftp:") ||
    25  		strings.HasPrefix(u, "ftps:") ||
    26  		strings.HasPrefix(u, "file:")
    27  }
    28  
    29  // ParseURL normalizes git remote urls.
    30  func ParseURL(rawURL string) (u *url.URL, err error) {
    31  	if !isPossibleProtocol(rawURL) &&
    32  		strings.ContainsRune(rawURL, ':') &&
    33  		// Not a Windows path.
    34  		!strings.ContainsRune(rawURL, '\\') {
    35  		// Support scp-like syntax for ssh protocol.
    36  		rawURL = "ssh://" + strings.Replace(rawURL, ":", "/", 1)
    37  	}
    38  
    39  	u, err = url.Parse(rawURL)
    40  	if err != nil {
    41  		return
    42  	}
    43  
    44  	if u.Scheme == "git+ssh" {
    45  		u.Scheme = "ssh"
    46  	}
    47  
    48  	if u.Scheme == "git+https" {
    49  		u.Scheme = "https"
    50  	}
    51  
    52  	if u.Scheme != "ssh" {
    53  		return
    54  	}
    55  
    56  	if strings.HasPrefix(u.Path, "//") {
    57  		u.Path = strings.TrimPrefix(u.Path, "/")
    58  	}
    59  
    60  	if idx := strings.Index(u.Host, ":"); idx >= 0 {
    61  		u.Host = u.Host[0:idx]
    62  	}
    63  
    64  	return
    65  }
    66  
    67  // Extract GitHub repository information from a git remote URL.
    68  func RepoInfoFromURL(u *url.URL) (host string, owner string, name string, err error) {
    69  	if u.Hostname() == "" {
    70  		return "", "", "", fmt.Errorf("no hostname detected")
    71  	}
    72  
    73  	parts := strings.SplitN(strings.Trim(u.Path, "/"), "/", 3)
    74  	if len(parts) != 2 {
    75  		return "", "", "", fmt.Errorf("invalid path: %s", u.Path)
    76  	}
    77  
    78  	return normalizeHostname(u.Hostname()), parts[0], strings.TrimSuffix(parts[1], ".git"), nil
    79  }
    80  
    81  func normalizeHostname(h string) string {
    82  	return strings.ToLower(strings.TrimPrefix(h, "www."))
    83  }
    84
View as plain text