forgejo/modules/lfs/endpoint.go
KN4CK3R c03e488e14
Add LFS Migration and Mirror (#14726)
* Implemented LFS client.

* Implemented scanning for pointer files.

* Implemented downloading of lfs files.

* Moved model-dependent code into services.

* Removed models dependency. Added TryReadPointerFromBuffer.

* Migrated code from service to module.

* Centralised storage creation.

* Removed dependency from models.

* Moved ContentStore into modules.

* Share structs between server and client.

* Moved method to services.

* Implemented lfs download on clone.

* Implemented LFS sync on clone and mirror update.

* Added form fields.

* Updated templates.

* Fixed condition.

* Use alternate endpoint.

* Added missing methods.

* Fixed typo and make linter happy.

* Detached pointer parser from gogit dependency.

* Fixed TestGetLFSRange test.

* Added context to support cancellation.

* Use ReadFull to probably read more data.

* Removed duplicated code from models.

* Moved scan implementation into pointer_scanner_nogogit.

* Changed method name.

* Added comments.

* Added more/specific log/error messages.

* Embedded lfs.Pointer into models.LFSMetaObject.

* Moved code from models to module.

* Moved code from models to module.

* Moved code from models to module.

* Reduced pointer usage.

* Embedded type.

* Use promoted fields.

* Fixed unexpected eof.

* Added unit tests.

* Implemented migration of local file paths.

* Show an error on invalid LFS endpoints.

* Hide settings if not used.

* Added LFS info to mirror struct.

* Fixed comment.

* Check LFS endpoint.

* Manage LFS settings from mirror page.

* Fixed selector.

* Adjusted selector.

* Added more tests.

* Added local filesystem migration test.

* Fixed typo.

* Reset settings.

* Added special windows path handling.

* Added unit test for HTTPClient.

* Added unit test for BasicTransferAdapter.

* Moved into util package.

* Test if LFS endpoint is allowed.

* Added support for git://

* Just use a static placeholder as the displayed url may be invalid.

* Reverted to original code.

* Added "Advanced Settings".

* Updated wording.

* Added discovery info link.

* Implemented suggestion.

* Fixed missing format parameter.

* Added Pointer.IsValid().

* Always remove model on error.

* Added suggestions.

* Use channel instead of array.

* Update routers/repo/migrate.go

* fmt

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
2021-04-08 18:25:57 -04:00

107 lines
1.9 KiB
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package lfs
import (
"fmt"
"net/url"
"os"
"path"
"path/filepath"
"strings"
"code.gitea.io/gitea/modules/log"
)
// DetermineEndpoint determines an endpoint from the clone url or uses the specified LFS url.
func DetermineEndpoint(cloneurl, lfsurl string) *url.URL {
if len(lfsurl) > 0 {
return endpointFromURL(lfsurl)
}
return endpointFromCloneURL(cloneurl)
}
func endpointFromCloneURL(rawurl string) *url.URL {
ep := endpointFromURL(rawurl)
if ep == nil {
return ep
}
if strings.HasSuffix(ep.Path, "/") {
ep.Path = ep.Path[:len(ep.Path)-1]
}
if ep.Scheme == "file" {
return ep
}
if path.Ext(ep.Path) == ".git" {
ep.Path += "/info/lfs"
} else {
ep.Path += ".git/info/lfs"
}
return ep
}
func endpointFromURL(rawurl string) *url.URL {
if strings.HasPrefix(rawurl, "/") {
return endpointFromLocalPath(rawurl)
}
u, err := url.Parse(rawurl)
if err != nil {
log.Error("lfs.endpointFromUrl: %v", err)
return nil
}
switch u.Scheme {
case "http", "https":
return u
case "git":
u.Scheme = "https"
return u
case "file":
return u
default:
if _, err := os.Stat(rawurl); err == nil {
return endpointFromLocalPath(rawurl)
}
log.Error("lfs.endpointFromUrl: unknown url")
return nil
}
}
func endpointFromLocalPath(path string) *url.URL {
var slash string
if abs, err := filepath.Abs(path); err == nil {
if !strings.HasPrefix(abs, "/") {
slash = "/"
}
path = abs
}
var gitpath string
if filepath.Base(path) == ".git" {
gitpath = path
path = filepath.Dir(path)
} else {
gitpath = filepath.Join(path, ".git")
}
if _, err := os.Stat(gitpath); err == nil {
path = gitpath
} else if _, err := os.Stat(path); err != nil {
return nil
}
path = fmt.Sprintf("file://%s%s", slash, filepath.ToSlash(path))
u, _ := url.Parse(path)
return u
}