forked from gitea/gitea
124 lines
3.0 KiB
Go
124 lines
3.0 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Copyright 2015 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"fmt"
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"net"
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"net/url"
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"regexp"
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"strings"
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)
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var scpSyntax = regexp.MustCompile(`^([a-zA-Z0-9_]+@)?([a-zA-Z0-9._-]+):(.*)$`)
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// SubModule submodule is a reference on git repository
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type SubModule struct {
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Name string
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URL string
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}
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// SubModuleFile represents a file with submodule type.
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type SubModuleFile struct {
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*Commit
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refURL string
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refID string
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}
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// NewSubModuleFile create a new submodule file
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func NewSubModuleFile(c *Commit, refURL, refID string) *SubModuleFile {
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return &SubModuleFile{
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Commit: c,
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refURL: refURL,
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refID: refID,
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}
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}
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func getRefURL(refURL, urlPrefix, parentPath string) string {
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if refURL == "" {
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return ""
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}
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refURI := strings.TrimSuffix(refURL, ".git")
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prefixURL, _ := url.Parse(urlPrefix)
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urlPrefixHostname, _, err := net.SplitHostPort(prefixURL.Host)
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if err != nil {
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urlPrefixHostname = prefixURL.Host
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}
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// Relative url prefix check (according to git submodule documentation)
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if strings.HasPrefix(refURI, "./") || strings.HasPrefix(refURI, "../") {
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// ...construct and return correct submodule url here...
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idx := strings.Index(parentPath, "/src/")
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if idx == -1 {
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return refURI
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}
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return strings.TrimSuffix(urlPrefix, "/") + parentPath[:idx] + "/" + refURI
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}
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if !strings.Contains(refURI, "://") {
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// scp style syntax which contains *no* port number after the : (and is not parsed by net/url)
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// ex: git@try.gitea.io:go-gitea/gitea
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match := scpSyntax.FindAllStringSubmatch(refURI, -1)
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if len(match) > 0 {
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m := match[0]
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refHostname := m[2]
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path := m[3]
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if !strings.HasPrefix(path, "/") {
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path = "/" + path
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}
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if urlPrefixHostname == refHostname {
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return prefixURL.Scheme + "://" + urlPrefixHostname + path
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}
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return "http://" + refHostname + path
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}
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}
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ref, err := url.Parse(refURI)
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if err != nil {
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return ""
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}
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refHostname, _, err := net.SplitHostPort(ref.Host)
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if err != nil {
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refHostname = ref.Host
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}
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supportedSchemes := []string{"http", "https", "git", "ssh", "git+ssh"}
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for _, scheme := range supportedSchemes {
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if ref.Scheme == scheme {
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if urlPrefixHostname == refHostname {
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return prefixURL.Scheme + "://" + prefixURL.Host + ref.Path
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} else if ref.Scheme == "http" || ref.Scheme == "https" {
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if len(ref.User.Username()) > 0 {
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return ref.Scheme + "://" + fmt.Sprintf("%v", ref.User) + "@" + ref.Host + ref.Path
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}
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return ref.Scheme + "://" + ref.Host + ref.Path
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} else {
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return "http://" + refHostname + ref.Path
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}
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}
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}
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return ""
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}
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// RefURL guesses and returns reference URL.
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func (sf *SubModuleFile) RefURL(urlPrefix string, parentPath string) string {
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return getRefURL(sf.refURL, urlPrefix, parentPath)
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}
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// RefID returns reference ID.
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func (sf *SubModuleFile) RefID() string {
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return sf.refID
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}
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