mirror of
https://github.com/go-gitea/gitea
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001dbf100d
One of the biggest reasons for slow repository browsing is that we wait until last commit information has been generated for all files in the repository. This PR proposes deferring this generation to a new POST endpoint that does the look up outside of the main page request. Signed-off-by: Andrew Thornton <art27@cantab.net>
114 lines
2.8 KiB
Go
114 lines
2.8 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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//go:build gogit
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// +build gogit
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package git
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import (
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"context"
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"code.gitea.io/gitea/modules/log"
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"github.com/go-git/go-git/v5/plumbing/object"
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cgobject "github.com/go-git/go-git/v5/plumbing/object/commitgraph"
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)
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// LastCommitCache represents a cache to store last commit
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type LastCommitCache struct {
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repoPath string
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ttl func() int64
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repo *Repository
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commitCache map[string]*object.Commit
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cache Cache
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}
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// NewLastCommitCache creates a new last commit cache for repo
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func NewLastCommitCache(repoPath string, gitRepo *Repository, ttl func() int64, cache Cache) *LastCommitCache {
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if cache == nil {
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return nil
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}
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return &LastCommitCache{
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repoPath: repoPath,
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repo: gitRepo,
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commitCache: make(map[string]*object.Commit),
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ttl: ttl,
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cache: cache,
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}
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}
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// Get get the last commit information by commit id and entry path
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func (c *LastCommitCache) Get(ref, entryPath string) (interface{}, error) {
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v := c.cache.Get(c.getCacheKey(c.repoPath, ref, entryPath))
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if vs, ok := v.(string); ok {
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log.Debug("LastCommitCache hit level 1: [%s:%s:%s]", ref, entryPath, vs)
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if commit, ok := c.commitCache[vs]; ok {
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log.Debug("LastCommitCache hit level 2: [%s:%s:%s]", ref, entryPath, vs)
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return commit, nil
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}
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id, err := c.repo.ConvertToSHA1(vs)
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if err != nil {
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return nil, err
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}
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commit, err := c.repo.GoGitRepo().CommitObject(id)
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if err != nil {
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return nil, err
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}
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c.commitCache[vs] = commit
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return commit, nil
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}
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return nil, nil
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}
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// CacheCommit will cache the commit from the gitRepository
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func (c *LastCommitCache) CacheCommit(ctx context.Context, commit *Commit) error {
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commitNodeIndex, _ := commit.repo.CommitNodeIndex()
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index, err := commitNodeIndex.Get(commit.ID)
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if err != nil {
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return err
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}
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return c.recursiveCache(ctx, index, &commit.Tree, "", 1)
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}
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func (c *LastCommitCache) recursiveCache(ctx context.Context, index cgobject.CommitNode, tree *Tree, treePath string, level int) error {
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if level == 0 {
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return nil
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}
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entries, err := tree.ListEntries()
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if err != nil {
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return err
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}
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entryPaths := make([]string, len(entries))
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entryMap := make(map[string]*TreeEntry)
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for i, entry := range entries {
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entryPaths[i] = entry.Name()
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entryMap[entry.Name()] = entry
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}
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commits, err := GetLastCommitForPaths(ctx, c, index, treePath, entryPaths)
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if err != nil {
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return err
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}
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for entry := range commits {
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if entryMap[entry].IsDir() {
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subTree, err := tree.SubTree(entry)
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if err != nil {
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return err
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}
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if err := c.recursiveCache(ctx, index, subTree, entry, level-1); err != nil {
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return err
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}
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}
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}
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return nil
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}
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