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https://github.com/go-gitea/gitea.git
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d284f5c798
Replace the manual switch statement for mode parsing with a call to ParseEntryMode, which already handles all the same cases including edge cases like "40755" via its fallback logic. Co-Authored-By: GitHub Copilot <copilot@github.com> Agent-Logs-Url: https://github.com/go-gitea/gitea/sessions/c93c0d76-8a70-478f-a549-2f120c5f45c4 Co-authored-by: wxiaoguang <2114189+wxiaoguang@users.noreply.github.com>
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
// Copyright 2018 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"bytes"
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"fmt"
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"io"
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"code.gitea.io/gitea/modules/log"
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)
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// ParseTreeEntries parses the output of a `git ls-tree -l` command.
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func ParseTreeEntries(data []byte) ([]*TreeEntry, error) {
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return parseTreeEntries(data, nil)
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}
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// parseTreeEntries FIXME this function's design is not right, it should not make the caller read all data into memory
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func parseTreeEntries(data []byte, ptree *Tree) ([]*TreeEntry, error) {
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entries := make([]*TreeEntry, 0, bytes.Count(data, []byte{'\n'})+1)
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for pos := 0; pos < len(data); {
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posEnd := bytes.IndexByte(data[pos:], '\n')
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if posEnd == -1 {
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posEnd = len(data)
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} else {
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posEnd += pos
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}
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line := data[pos:posEnd]
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lsTreeLine, err := parseLsTreeLine(line)
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if err != nil {
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return nil, err
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}
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entry := &TreeEntry{
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ptree: ptree,
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ID: lsTreeLine.ID,
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entryMode: lsTreeLine.EntryMode,
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name: lsTreeLine.Name,
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size: lsTreeLine.Size.Value(),
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sized: lsTreeLine.Size.Has(),
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}
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pos = posEnd + 1
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entries = append(entries, entry)
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}
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return entries, nil
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}
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func catBatchParseTreeEntries(objectFormat ObjectFormat, ptree *Tree, rd BufferedReader, sz int64) ([]*TreeEntry, error) {
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fnameBuf := make([]byte, 4096)
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modeBuf := make([]byte, 40)
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shaBuf := make([]byte, objectFormat.FullLength())
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entries := make([]*TreeEntry, 0, 10)
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loop:
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for sz > 0 {
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mode, fname, sha, count, err := ParseCatFileTreeLine(objectFormat, rd, modeBuf, fnameBuf, shaBuf)
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if err != nil {
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if err == io.EOF {
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break loop
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}
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return nil, err
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}
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sz -= int64(count)
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entry := new(TreeEntry)
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entry.ptree = ptree
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entry.entryMode = ParseEntryMode(string(mode))
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if entry.entryMode == EntryModeNoEntry {
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log.Debug("Unknown mode: %v", string(mode))
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return nil, fmt.Errorf("unknown mode: %v", string(mode))
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}
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entry.ID = objectFormat.MustID(sha)
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entry.name = string(fname)
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entries = append(entries, entry)
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}
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if _, err := rd.Discard(1); err != nil {
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return entries, err
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}
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return entries, nil
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}
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