gitea/modules/git/tree_blob.go
techknowlogick 96918a442b
Fix 500 on README in submodule (#13006) (#13016)
If a README file is a symlink to a submodule Gitea the view branch page
will return a 500.

The underlying problem is a missed conversion of an
plumbing.ErrObjectNotFound in git/tree_blob.go.

Fix #12599

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

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
2020-10-02 10:39:14 -04:00

79 lines
1.7 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Copyright 2019 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 git
import (
"path"
"strings"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/filemode"
"github.com/go-git/go-git/v5/plumbing/object"
)
// GetTreeEntryByPath get the tree entries according the sub dir
func (t *Tree) GetTreeEntryByPath(relpath string) (*TreeEntry, error) {
if len(relpath) == 0 {
return &TreeEntry{
ID: t.ID,
//Type: ObjectTree,
gogitTreeEntry: &object.TreeEntry{
Name: "",
Mode: filemode.Dir,
Hash: t.ID,
},
}, nil
}
relpath = path.Clean(relpath)
parts := strings.Split(relpath, "/")
var err error
tree := t
for i, name := range parts {
if i == len(parts)-1 {
entries, err := tree.ListEntries()
if err != nil {
if err == plumbing.ErrObjectNotFound {
return nil, ErrNotExist{
RelPath: relpath,
}
}
return nil, err
}
for _, v := range entries {
if v.Name() == name {
return v, nil
}
}
} else {
tree, err = tree.SubTree(name)
if err != nil {
if err == plumbing.ErrObjectNotFound {
return nil, ErrNotExist{
RelPath: relpath,
}
}
return nil, err
}
}
}
return nil, ErrNotExist{"", relpath}
}
// GetBlobByPath get the blob object according the path
func (t *Tree) GetBlobByPath(relpath string) (*Blob, error) {
entry, err := t.GetTreeEntryByPath(relpath)
if err != nil {
return nil, err
}
if !entry.IsDir() && !entry.IsSubModule() {
return entry.Blob(), nil
}
return nil, ErrNotExist{"", relpath}
}