RefactorHEADmaster

1 files changed, 118 insertions, 0 deletions

diff --git a/forged/internal/ipc/git2c/tree.go b/forged/internal/ipc/git2c/tree.go
new file mode 100644
index 0000000..f598e14
--- /dev/null
+++ b/forged/internal/ipc/git2c/tree.go
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
+package git2c
+
+import (
+	"encoding/hex"
+	"fmt"
+)
+
+type TreeEntryRaw struct {
+	Mode uint64
+	Name string
+	OID  string // hex
+}
+
+func (c *Client) TreeListByOID(repoPath, treeHex string) ([]TreeEntryRaw, 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(9); err != nil {
+		return nil, fmt.Errorf("sending command failed: %w", err)
+	}
+	if err := c.writer.WriteData([]byte(treeHex)); err != nil {
+		return nil, fmt.Errorf("sending tree oid failed: %w", err)
+	}
+	status, err := c.reader.ReadUint()
+	if err != nil {
+		return nil, fmt.Errorf("reading status failed: %w", err)
+	}
+	if status != 0 {
+		return nil, Perror(status)
+	}
+	count, err := c.reader.ReadUint()
+	if err != nil {
+		return nil, fmt.Errorf("reading count failed: %w", err)
+	}
+	entries := make([]TreeEntryRaw, 0, count)
+	for range count {
+		mode, err := c.reader.ReadUint()
+		if err != nil {
+			return nil, fmt.Errorf("reading mode failed: %w", err)
+		}
+		name, err := c.reader.ReadData()
+		if err != nil {
+			return nil, fmt.Errorf("reading name failed: %w", err)
+		}
+		id, err := c.reader.ReadData()
+		if err != nil {
+			return nil, fmt.Errorf("reading oid failed: %w", err)
+		}
+		entries = append(entries, TreeEntryRaw{Mode: mode, Name: string(name), OID: hex.EncodeToString(id)})
+	}
+	return entries, nil
+}
+
+func (c *Client) WriteTree(repoPath string, entries []TreeEntryRaw) (string, error) {
+	if err := c.writer.WriteData([]byte(repoPath)); err != nil {
+		return "", fmt.Errorf("sending repo path failed: %w", err)
+	}
+	if err := c.writer.WriteUint(10); err != nil {
+		return "", fmt.Errorf("sending command failed: %w", err)
+	}
+	if err := c.writer.WriteUint(uint64(len(entries))); err != nil {
+		return "", fmt.Errorf("sending count failed: %w", err)
+	}
+	for _, e := range entries {
+		if err := c.writer.WriteUint(e.Mode); err != nil {
+			return "", fmt.Errorf("sending mode failed: %w", err)
+		}
+		if err := c.writer.WriteData([]byte(e.Name)); err != nil {
+			return "", fmt.Errorf("sending name failed: %w", err)
+		}
+		raw, err := hex.DecodeString(e.OID)
+		if err != nil {
+			return "", fmt.Errorf("decode oid hex: %w", err)
+		}
+		if err := c.writer.WriteDataFixed(raw); err != nil {
+			return "", fmt.Errorf("sending oid failed: %w", err)
+		}
+	}
+	status, err := c.reader.ReadUint()
+	if err != nil {
+		return "", fmt.Errorf("reading status failed: %w", err)
+	}
+	if status != 0 {
+		return "", Perror(status)
+	}
+	id, err := c.reader.ReadData()
+	if err != nil {
+		return "", fmt.Errorf("reading oid failed: %w", err)
+	}
+	return hex.EncodeToString(id), nil
+}
+
+func (c *Client) WriteBlob(repoPath string, content []byte) (string, error) {
+	if err := c.writer.WriteData([]byte(repoPath)); err != nil {
+		return "", fmt.Errorf("sending repo path failed: %w", err)
+	}
+	if err := c.writer.WriteUint(11); err != nil {
+		return "", fmt.Errorf("sending command failed: %w", err)
+	}
+	if err := c.writer.WriteData(content); err != nil {
+		return "", fmt.Errorf("sending blob content failed: %w", err)
+	}
+	status, err := c.reader.ReadUint()
+	if err != nil {
+		return "", fmt.Errorf("reading status failed: %w", err)
+	}
+	if status != 0 {
+		return "", Perror(status)
+	}
+	id, err := c.reader.ReadData()
+	if err != nil {
+		return "", fmt.Errorf("reading oid failed: %w", err)
+	}
+	return hex.EncodeToString(id), nil
+}