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package git
import (
"fmt"
"net/url"
"strings"
)
func IsURL(u string) bool {
return strings.HasPrefix(u, "git@") || isSupportedProtocol(u)
}
func isSupportedProtocol(u string) bool {
return strings.HasPrefix(u, "ssh:") ||
strings.HasPrefix(u, "git+ssh:") ||
strings.HasPrefix(u, "git:") ||
strings.HasPrefix(u, "http:") ||
strings.HasPrefix(u, "git+https:") ||
strings.HasPrefix(u, "https:")
}
func isPossibleProtocol(u string) bool {
return isSupportedProtocol(u) ||
strings.HasPrefix(u, "ftp:") ||
strings.HasPrefix(u, "ftps:") ||
strings.HasPrefix(u, "file:")
}
// ParseURL normalizes git remote urls.
func ParseURL(rawURL string) (u *url.URL, err error) {
if !isPossibleProtocol(rawURL) &&
strings.ContainsRune(rawURL, ':') &&
// Not a Windows path.
!strings.ContainsRune(rawURL, '\\') {
// Support scp-like syntax for ssh protocol.
rawURL = "ssh://" + strings.Replace(rawURL, ":", "/", 1)
}
u, err = url.Parse(rawURL)
if err != nil {
return
}
if u.Scheme == "git+ssh" {
u.Scheme = "ssh"
}
if u.Scheme == "git+https" {
u.Scheme = "https"
}
if u.Scheme != "ssh" {
return
}
if strings.HasPrefix(u.Path, "//") {
u.Path = strings.TrimPrefix(u.Path, "/")
}
if idx := strings.Index(u.Host, ":"); idx >= 0 {
u.Host = u.Host[0:idx]
}
return
}
// Extract GitHub repository information from a git remote URL.
func RepoInfoFromURL(u *url.URL) (host string, owner string, name string, err error) {
if u.Hostname() == "" {
return "", "", "", fmt.Errorf("no hostname detected")
}
parts := strings.SplitN(strings.Trim(u.Path, "/"), "/", 3)
if len(parts) != 2 {
return "", "", "", fmt.Errorf("invalid path: %s", u.Path)
}
return normalizeHostname(u.Hostname()), parts[0], strings.TrimSuffix(parts[1], ".git"), nil
}
func normalizeHostname(h string) string {
return strings.ToLower(strings.TrimPrefix(h, "www."))
}
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