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https://github.com/go-gitea/gitea.git
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c8f3402841
Backport #34367 by bytedream Files that should be stored in LFS and are uploaded/edited from the API or web UI aren't stored in LFS. This may be a regression from #34154. Co-authored-by: bytedream <bytedream@protonmail.com> Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
// Copyright 2025 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package attribute
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"os"
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"code.gitea.io/gitea/modules/git"
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)
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func checkAttrCommand(gitRepo *git.Repository, treeish string, filenames, attributes []string) (*git.Command, []string, func(), error) {
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cancel := func() {}
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envs := []string{"GIT_FLUSH=1"}
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cmd := git.NewCommand("check-attr", "-z")
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if len(attributes) == 0 {
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cmd.AddArguments("--all")
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}
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// there is treeish, read from bare repo or temp index created by "read-tree"
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if treeish != "" {
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if git.DefaultFeatures().SupportCheckAttrOnBare {
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cmd.AddArguments("--source")
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cmd.AddDynamicArguments(treeish)
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} else {
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indexFilename, worktree, deleteTemporaryFile, err := gitRepo.ReadTreeToTemporaryIndex(treeish)
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if err != nil {
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return nil, nil, nil, err
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}
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cmd.AddArguments("--cached")
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envs = append(envs,
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"GIT_INDEX_FILE="+indexFilename,
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"GIT_WORK_TREE="+worktree,
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)
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cancel = deleteTemporaryFile
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}
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} else {
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// Read from existing index, in cases where the repo is bare and has an index,
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// or the work tree contains unstaged changes that shouldn't affect the attribute check.
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// It is caller's responsibility to add changed ".gitattributes" into the index if they want to respect the new changes.
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cmd.AddArguments("--cached")
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}
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cmd.AddDynamicArguments(attributes...)
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if len(filenames) > 0 {
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cmd.AddDashesAndList(filenames...)
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}
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return cmd, envs, cancel, nil
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}
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type CheckAttributeOpts struct {
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Filenames []string
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Attributes []string
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}
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// CheckAttributes return the attributes of the given filenames and attributes in the given treeish.
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// If treeish is empty, then it will use current working directory, otherwise it will use the provided treeish on the bare repo
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func CheckAttributes(ctx context.Context, gitRepo *git.Repository, treeish string, opts CheckAttributeOpts) (map[string]*Attributes, error) {
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cmd, envs, cancel, err := checkAttrCommand(gitRepo, treeish, opts.Filenames, opts.Attributes)
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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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stdOut := new(bytes.Buffer)
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stdErr := new(bytes.Buffer)
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if err := cmd.Run(ctx, &git.RunOpts{
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Env: append(os.Environ(), envs...),
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Dir: gitRepo.Path,
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Stdout: stdOut,
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Stderr: stdErr,
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}); err != nil {
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return nil, fmt.Errorf("failed to run check-attr: %w\n%s\n%s", err, stdOut.String(), stdErr.String())
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}
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fields := bytes.Split(stdOut.Bytes(), []byte{'\000'})
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if len(fields)%3 != 1 {
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return nil, errors.New("wrong number of fields in return from check-attr")
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}
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attributesMap := make(map[string]*Attributes)
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for i := 0; i < (len(fields) / 3); i++ {
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filename := string(fields[3*i])
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attribute := string(fields[3*i+1])
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info := string(fields[3*i+2])
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attribute2info, ok := attributesMap[filename]
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if !ok {
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attribute2info = NewAttributes()
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attributesMap[filename] = attribute2info
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}
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attribute2info.m[attribute] = Attribute(info)
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}
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return attributesMap, nil
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}
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