mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-29 02:13:41 +01:00
74f0c84fa4
Noteable additions: - `redefines-builtin-id` forbid variable names that shadow go builtins - `empty-lines` remove unnecessary empty lines that `gofumpt` does not remove for some reason - `superfluous-else` eliminate more superfluous `else` branches Rules are also sorted alphabetically and I cleaned up various parts of `.golangci.yml`.
111 lines
2.6 KiB
Go
111 lines
2.6 KiB
Go
// Copyright 2020 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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"bufio"
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"bytes"
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"io"
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"strings"
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)
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// CommitFromReader will generate a Commit from a provided reader
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// We need this to interpret commits from cat-file or cat-file --batch
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//
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// If used as part of a cat-file --batch stream you need to limit the reader to the correct size
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func CommitFromReader(gitRepo *Repository, objectID ObjectID, reader io.Reader) (*Commit, error) {
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commit := &Commit{
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ID: objectID,
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Author: &Signature{},
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Committer: &Signature{},
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}
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payloadSB := new(strings.Builder)
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signatureSB := new(strings.Builder)
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messageSB := new(strings.Builder)
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message := false
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pgpsig := false
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bufReader, ok := reader.(*bufio.Reader)
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if !ok {
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bufReader = bufio.NewReader(reader)
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}
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readLoop:
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for {
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line, err := bufReader.ReadBytes('\n')
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if err != nil {
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if err == io.EOF {
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if message {
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_, _ = messageSB.Write(line)
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}
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_, _ = payloadSB.Write(line)
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break readLoop
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}
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return nil, err
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}
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if pgpsig {
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if len(line) > 0 && line[0] == ' ' {
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_, _ = signatureSB.Write(line[1:])
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continue
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}
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pgpsig = false
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}
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if !message {
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// This is probably not correct but is copied from go-gits interpretation...
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trimmed := bytes.TrimSpace(line)
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if len(trimmed) == 0 {
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message = true
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_, _ = payloadSB.Write(line)
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continue
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}
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split := bytes.SplitN(trimmed, []byte{' '}, 2)
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var data []byte
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if len(split) > 1 {
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data = split[1]
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}
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switch string(split[0]) {
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case "tree":
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commit.Tree = *NewTree(gitRepo, MustIDFromString(string(data)))
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_, _ = payloadSB.Write(line)
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case "parent":
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commit.Parents = append(commit.Parents, MustIDFromString(string(data)))
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_, _ = payloadSB.Write(line)
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case "author":
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commit.Author = &Signature{}
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commit.Author.Decode(data)
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_, _ = payloadSB.Write(line)
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case "committer":
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commit.Committer = &Signature{}
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commit.Committer.Decode(data)
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_, _ = payloadSB.Write(line)
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case "encoding":
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_, _ = payloadSB.Write(line)
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case "gpgsig":
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fallthrough
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case "gpgsig-sha256": // FIXME: no intertop, so only 1 exists at present.
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_, _ = signatureSB.Write(data)
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_ = signatureSB.WriteByte('\n')
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pgpsig = true
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}
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} else {
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_, _ = messageSB.Write(line)
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_, _ = payloadSB.Write(line)
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}
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}
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commit.CommitMessage = messageSB.String()
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commit.Signature = &CommitSignature{
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Signature: signatureSB.String(),
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Payload: payloadSB.String(),
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}
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if len(commit.Signature.Signature) == 0 {
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commit.Signature = nil
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}
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return commit, nil
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}
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