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vcs_url.go
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/
vcs_url.go
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package base
import (
"errors"
"net/url"
"regexp"
"strings"
)
var (
scpSyntaxRe = regexp.MustCompile(`^(\w+)@([\w.-]+):(.*)$`)
scheme = []string{"git", "https", "http", "git+ssh", "ssh", "file", "ftp", "ftps"}
)
// ParseVCSUrl ref https://github.com/golang/go/blob/master/src/cmd/go/internal/vcs/vcs.go
// see https://go-review.googlesource.com/c/go/+/12226/
// git url define https://git-scm.com/docs/git-clone#_git_urls
func ParseVCSUrl(repo string) (*url.URL, error) {
var (
repoURL *url.URL
err error
)
if m := scpSyntaxRe.FindStringSubmatch(repo); m != nil {
// Match SCP-like syntax and convert it to a URL.
// Eg, "git@github.com:user/repo" becomes
// "ssh://git@github.com/user/repo".
repoURL = &url.URL{
Scheme: "ssh",
User: url.User(m[1]),
Host: m[2],
Path: m[3],
}
} else {
if !strings.Contains(repo, "//") {
repo = "//" + repo
}
if strings.HasPrefix(repo, "//git@") {
repo = "ssh:" + repo
} else if strings.HasPrefix(repo, "//") {
repo = "https:" + repo
}
repoURL, err = url.Parse(repo)
if err != nil {
return nil, err
}
}
// Iterate over insecure schemes too, because this function simply
// reports the state of the repo. If we can't see insecure schemes then
// we can't report the actual repo URL.
for _, s := range scheme {
if repoURL.Scheme == s {
return repoURL, nil
}
}
return nil, errors.New("unable to parse repo url")
}