157 lines
3.5 KiB
Go
157 lines
3.5 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2019 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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"io"
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"os"
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"strings"
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"time"
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)
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// CommitTreeOpts represents the possible options to CommitTree
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type CommitTreeOpts struct {
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Parents []string
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Message string
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KeyID string
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NoGPGSign bool
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AlwaysSign bool
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}
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// CommitTree creates a commit from a given tree id for the user with provided message
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func (repo *Repository) CommitTree(author, committer *Signature, tree *Tree, opts CommitTreeOpts) (ObjectID, error) {
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commitTimeStr := time.Now().Format(time.RFC3339)
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// Because this may call hooks we should pass in the environment
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env := append(os.Environ(),
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"GIT_AUTHOR_NAME="+author.Name,
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"GIT_AUTHOR_EMAIL="+author.Email,
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"GIT_AUTHOR_DATE="+commitTimeStr,
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"GIT_COMMITTER_NAME="+committer.Name,
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"GIT_COMMITTER_EMAIL="+committer.Email,
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"GIT_COMMITTER_DATE="+commitTimeStr,
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)
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cmd := NewCommand(repo.Ctx, "commit-tree").AddDynamicArguments(tree.ID.String())
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for _, parent := range opts.Parents {
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cmd.AddArguments("-p").AddDynamicArguments(parent)
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}
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messageBytes := new(bytes.Buffer)
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_, _ = messageBytes.WriteString(opts.Message)
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_, _ = messageBytes.WriteString("\n")
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if opts.KeyID != "" || opts.AlwaysSign {
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cmd.AddOptionFormat("-S%s", opts.KeyID)
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}
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if opts.NoGPGSign {
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cmd.AddArguments("--no-gpg-sign")
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}
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stdout := new(bytes.Buffer)
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stderr := new(bytes.Buffer)
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err := cmd.Run(&RunOpts{
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Env: env,
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Dir: repo.Path,
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Stdin: messageBytes,
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Stdout: stdout,
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Stderr: stderr,
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})
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if err != nil {
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return nil, ConcatenateError(err, stderr.String())
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}
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return NewIDFromString(strings.TrimSpace(stdout.String()))
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}
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func (repo *Repository) getTree(id ObjectID) (*Tree, error) {
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wr, rd, cancel, err := repo.CatFileBatch(repo.Ctx)
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if err != nil {
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return nil, err
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}
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defer cancel()
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_, _ = wr.Write([]byte(id.String() + "\n"))
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// ignore the SHA
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_, typ, size, err := ReadBatchLine(rd)
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if err != nil {
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return nil, err
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}
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switch typ {
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case "tag":
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resolvedID := id
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data, err := io.ReadAll(io.LimitReader(rd, size))
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if err != nil {
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return nil, err
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}
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tag, err := parseTagData(id.Type(), data)
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if err != nil {
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return nil, err
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}
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commit, err := tag.Commit(repo)
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if err != nil {
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return nil, err
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}
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commit.Tree.ResolvedID = resolvedID
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return &commit.Tree, nil
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case "commit":
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commit, err := CommitFromReader(repo, id, io.LimitReader(rd, size))
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if err != nil {
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return nil, err
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}
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if _, err := rd.Discard(1); err != nil {
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return nil, err
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}
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commit.Tree.ResolvedID = commit.ID
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return &commit.Tree, nil
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case "tree":
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tree := NewTree(repo, id)
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tree.ResolvedID = id
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objectFormat, err := repo.GetObjectFormat()
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if err != nil {
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return nil, err
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}
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tree.entries, err = catBatchParseTreeEntries(objectFormat, tree, rd, size)
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if err != nil {
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return nil, err
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}
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tree.entriesParsed = true
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return tree, nil
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default:
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if err := DiscardFull(rd, size+1); err != nil {
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return nil, err
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}
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return nil, ErrNotExist{
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ID: id.String(),
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}
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}
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}
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// GetTree find the tree object in the repository.
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func (repo *Repository) GetTree(idStr string) (*Tree, error) {
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objectFormat, err := repo.GetObjectFormat()
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if err != nil {
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return nil, err
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}
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if len(idStr) != objectFormat.FullLength() {
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res, err := repo.GetRefCommitID(idStr)
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if err != nil {
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return nil, err
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}
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if len(res) > 0 {
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idStr = res
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}
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}
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id, err := NewIDFromString(idStr)
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if err != nil {
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return nil, err
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}
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return repo.getTree(id)
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}
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