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// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
package git2c
import (
"errors"
"fmt"
"io"
)
func (c *Client) CmdTreeRaw(repoPath, pathSpec string) ([]TreeEntry, string, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return nil, "", fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(2); err != nil {
return nil, "", fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(pathSpec)); err != nil {
return nil, "", fmt.Errorf("sending path failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return nil, "", fmt.Errorf("reading status failed: %w", err)
}
switch status {
case 0:
kind, err := c.reader.ReadUint()
if err != nil {
return nil, "", fmt.Errorf("reading object kind failed: %w", err)
}
switch kind {
case 1:
// Tree
count, err := c.reader.ReadUint()
if err != nil {
return nil, "", fmt.Errorf("reading entry count failed: %w", err)
}
var files []TreeEntry
for range count {
typeCode, err := c.reader.ReadUint()
if err != nil {
return nil, "", fmt.Errorf("error reading entry type: %w", err)
}
mode, err := c.reader.ReadUint()
if err != nil {
return nil, "", fmt.Errorf("error reading entry mode: %w", err)
}
size, err := c.reader.ReadUint()
if err != nil {
return nil, "", fmt.Errorf("error reading entry size: %w", err)
}
name, err := c.reader.ReadData()
if err != nil {
return nil, "", fmt.Errorf("error reading entry name: %w", err)
}
files = append(files, TreeEntry{
Name: string(name),
Mode: fmt.Sprintf("%06o", mode),
Size: size,
IsFile: typeCode == 2,
IsSubtree: typeCode == 1,
})
}
return files, "", nil
case 2:
// Blob
content, err := c.reader.ReadData()
if err != nil && !errors.Is(err, io.EOF) {
return nil, "", fmt.Errorf("error reading file content: %w", err)
}
return nil, string(content), nil
default:
return nil, "", fmt.Errorf("unknown kind: %d", kind)
}
case 3:
return nil, "", fmt.Errorf("path not found: %s", pathSpec)
default:
return nil, "", fmt.Errorf("unknown status code: %d", status)
}
}
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