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gitea/modules/git/tree.go
Adam Majer cbf923e87b
Abstract hash function usage ()
Refactor Hash interfaces and centralize hash function. This will allow
easier introduction of different hash function later on.

This forms the "no-op" part of the SHA256 enablement patch.
2023-12-13 21:02:00 +00:00

65 lines
1.3 KiB
Go

// Copyright 2015 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package git
import (
"bytes"
"strings"
)
// NewTree create a new tree according the repository and tree id
func NewTree(repo *Repository, id ObjectID) *Tree {
return &Tree{
ID: id,
repo: repo,
}
}
// SubTree get a sub tree by the sub dir path
func (t *Tree) SubTree(rpath string) (*Tree, error) {
if len(rpath) == 0 {
return t, nil
}
paths := strings.Split(rpath, "/")
var (
err error
g = t
p = t
te *TreeEntry
)
for _, name := range paths {
te, err = p.GetTreeEntryByPath(name)
if err != nil {
return nil, err
}
g, err = t.repo.getTree(te.ID)
if err != nil {
return nil, err
}
g.ptree = p
p = g
}
return g, nil
}
// LsTree checks if the given filenames are in the tree
func (repo *Repository) LsTree(ref string, filenames ...string) ([]string, error) {
cmd := NewCommand(repo.Ctx, "ls-tree", "-z", "--name-only").
AddDashesAndList(append([]string{ref}, filenames...)...)
res, _, err := cmd.RunStdBytes(&RunOpts{Dir: repo.Path})
if err != nil {
return nil, err
}
filelist := make([]string, 0, len(filenames))
for _, line := range bytes.Split(res, []byte{'\000'}) {
filelist = append(filelist, string(line))
}
return filelist, err
}