mirror of
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105 lines
1.9 KiB
Go
105 lines
1.9 KiB
Go
// Copyright 2021 The Gitea 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 lfs
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import (
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"fmt"
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"net/url"
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"os"
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"path"
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"path/filepath"
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"strings"
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"code.gitea.io/gitea/modules/log"
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)
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// DetermineEndpoint determines an endpoint from the clone url or uses the specified LFS url.
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func DetermineEndpoint(cloneurl, lfsurl string) *url.URL {
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if len(lfsurl) > 0 {
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return endpointFromURL(lfsurl)
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}
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return endpointFromCloneURL(cloneurl)
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}
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func endpointFromCloneURL(rawurl string) *url.URL {
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ep := endpointFromURL(rawurl)
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if ep == nil {
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return ep
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}
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ep.Path = strings.TrimSuffix(ep.Path, "/")
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if ep.Scheme == "file" {
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return ep
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}
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if path.Ext(ep.Path) == ".git" {
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ep.Path += "/info/lfs"
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} else {
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ep.Path += ".git/info/lfs"
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}
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return ep
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}
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func endpointFromURL(rawurl string) *url.URL {
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if strings.HasPrefix(rawurl, "/") {
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return endpointFromLocalPath(rawurl)
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}
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u, err := url.Parse(rawurl)
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if err != nil {
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log.Error("lfs.endpointFromUrl: %v", err)
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return nil
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}
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switch u.Scheme {
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case "http", "https":
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return u
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case "git":
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u.Scheme = "https"
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return u
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case "file":
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return u
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default:
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if _, err := os.Stat(rawurl); err == nil {
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return endpointFromLocalPath(rawurl)
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}
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log.Error("lfs.endpointFromUrl: unknown url")
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return nil
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}
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}
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func endpointFromLocalPath(path string) *url.URL {
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var slash string
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if abs, err := filepath.Abs(path); err == nil {
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if !strings.HasPrefix(abs, "/") {
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slash = "/"
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}
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path = abs
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}
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var gitpath string
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if filepath.Base(path) == ".git" {
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gitpath = path
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path = filepath.Dir(path)
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} else {
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gitpath = filepath.Join(path, ".git")
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}
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if _, err := os.Stat(gitpath); err == nil {
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path = gitpath
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} else if _, err := os.Stat(path); err != nil {
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return nil
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}
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path = fmt.Sprintf("file://%s%s", slash, filepath.ToSlash(path))
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u, _ := url.Parse(path)
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return u
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}
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