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>
This commit is contained in:
techknowlogick 2020-10-02 10:39:14 -04:00 committed by GitHub
parent aa1d9ef6cb
commit 96918a442b
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@ -9,6 +9,7 @@ import (
"path" "path"
"strings" "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/filemode"
"github.com/go-git/go-git/v5/plumbing/object" "github.com/go-git/go-git/v5/plumbing/object"
) )
@ -35,6 +36,11 @@ func (t *Tree) GetTreeEntryByPath(relpath string) (*TreeEntry, error) {
if i == len(parts)-1 { if i == len(parts)-1 {
entries, err := tree.ListEntries() entries, err := tree.ListEntries()
if err != nil { if err != nil {
if err == plumbing.ErrObjectNotFound {
return nil, ErrNotExist{
RelPath: relpath,
}
}
return nil, err return nil, err
} }
for _, v := range entries { for _, v := range entries {
@ -45,6 +51,11 @@ func (t *Tree) GetTreeEntryByPath(relpath string) (*TreeEntry, error) {
} else { } else {
tree, err = tree.SubTree(name) tree, err = tree.SubTree(name)
if err != nil { if err != nil {
if err == plumbing.ErrObjectNotFound {
return nil, ErrNotExist{
RelPath: relpath,
}
}
return nil, err return nil, err
} }
} }