mirror of
https://github.com/go-gitea/gitea
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* Move last commit cache back into modules/git Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from the interface for last commit cache Signed-off-by: Andrew Thornton <art27@cantab.net> * move cacheref to last_commit_cache Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from routers/private/hook Signed-off-by: Andrew Thornton <art27@cantab.net> * Move FindLFSFiles to pipeline Signed-off-by: Andrew Thornton <art27@cantab.net> * Make no-go-git variants Signed-off-by: Andrew Thornton <art27@cantab.net> * Submodule RefID Signed-off-by: Andrew Thornton <art27@cantab.net> * fix issue with GetCommitsInfo Signed-off-by: Andrew Thornton <art27@cantab.net> * fix GetLastCommitForPaths Signed-off-by: Andrew Thornton <art27@cantab.net> * Improve efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * More efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * even faster Signed-off-by: Andrew Thornton <art27@cantab.net> * Reduce duplication * As per @lunny Signed-off-by: Andrew Thornton <art27@cantab.net> * attempt to fix drone Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test-tags Signed-off-by: Andrew Thornton <art27@cantab.net> * default to use no-go-git variants and add gogit build tag Signed-off-by: Andrew Thornton <art27@cantab.net> * placate lint Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// +build gogit
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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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"io/ioutil"
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"code.gitea.io/gitea/modules/analyze"
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"github.com/go-enry/go-enry/v2"
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"github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/object"
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)
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// GetLanguageStats calculates language stats for git repository at specified commit
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func (repo *Repository) GetLanguageStats(commitID string) (map[string]int64, error) {
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r, err := git.PlainOpen(repo.Path)
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if err != nil {
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return nil, err
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}
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rev, err := r.ResolveRevision(plumbing.Revision(commitID))
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if err != nil {
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return nil, err
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}
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commit, err := r.CommitObject(*rev)
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if err != nil {
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return nil, err
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}
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tree, err := commit.Tree()
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if err != nil {
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return nil, err
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}
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sizes := make(map[string]int64)
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err = tree.Files().ForEach(func(f *object.File) error {
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if f.Size == 0 || enry.IsVendor(f.Name) || enry.IsDotFile(f.Name) ||
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enry.IsDocumentation(f.Name) || enry.IsConfiguration(f.Name) {
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return nil
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}
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// If content can not be read or file is too big just do detection by filename
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var content []byte
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if f.Size <= bigFileSize {
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content, _ = readFile(f, fileSizeLimit)
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}
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if enry.IsGenerated(f.Name, content) {
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return nil
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}
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// TODO: Use .gitattributes file for linguist overrides
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language := analyze.GetCodeLanguage(f.Name, content)
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if language == enry.OtherLanguage || language == "" {
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return nil
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}
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// group languages, such as Pug -> HTML; SCSS -> CSS
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group := enry.GetLanguageGroup(language)
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if group != "" {
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language = group
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}
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sizes[language] += f.Size
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return nil
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})
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if err != nil {
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return nil, err
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}
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// filter special languages unless they are the only language
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if len(sizes) > 1 {
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for language := range sizes {
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langtype := enry.GetLanguageType(language)
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if langtype != enry.Programming && langtype != enry.Markup {
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delete(sizes, language)
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}
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}
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}
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return sizes, nil
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}
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func readFile(f *object.File, limit int64) ([]byte, error) {
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r, err := f.Reader()
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if err != nil {
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return nil, err
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}
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defer r.Close()
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if limit <= 0 {
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return ioutil.ReadAll(r)
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}
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size := f.Size
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if limit > 0 && size > limit {
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size = limit
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}
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buf := bytes.NewBuffer(nil)
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buf.Grow(int(size))
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_, err = io.Copy(buf, io.LimitReader(r, limit))
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return buf.Bytes(), err
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}
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