104 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright 2021 The Gitea Authors. All rights reserved.
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| // SPDX-License-Identifier: MIT
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| 
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| package lfs
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| 
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| import (
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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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| 
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| 	"code.gitea.io/gitea/modules/log"
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| 	"code.gitea.io/gitea/modules/util"
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| )
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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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| 
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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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| 
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| 	ep.Path = strings.TrimSuffix(ep.Path, "/")
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| 
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| 	if ep.Scheme == "file" {
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| 		return ep
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| 	}
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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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| 
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| 	return ep
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	path = "file://" + slash + util.PathEscapeSegments(filepath.ToSlash(path))
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| 
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| 	u, _ := url.Parse(path)
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| 
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| 	return u
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| }
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