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// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
package git2c
import (
"encoding/hex"
"errors"
"fmt"
"io"
)
// CmdIndex requests a repository index from git2d and returns the list of commits
// and the contents of a README file if available.
func (c *Client) CmdIndex(repoPath string) ([]Commit, *FilenameContents, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return nil, nil, fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(1); err != nil {
return nil, nil, fmt.Errorf("sending command failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return nil, nil, fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return nil, nil, fmt.Errorf("git2d error: %d", status)
}
// README
readmeRaw, err := c.reader.ReadData()
if err != nil {
readmeRaw = nil
}
readmeFilename := "README.md" // TODO
readme := &FilenameContents{Filename: readmeFilename, Content: readmeRaw}
// Commits
var commits []Commit
for {
id, err := c.reader.ReadData()
if err != nil {
if errors.Is(err, io.EOF) {
break
}
return nil, nil, fmt.Errorf("reading commit ID failed: %w", err)
}
title, _ := c.reader.ReadData()
authorName, _ := c.reader.ReadData()
authorEmail, _ := c.reader.ReadData()
authorDate, _ := c.reader.ReadData()
commits = append(commits, Commit{
Hash: hex.EncodeToString(id),
Author: string(authorName),
Email: string(authorEmail),
Date: string(authorDate),
Message: string(title),
})
}
return commits, readme, nil
}
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