ea0fe83888
Backport #17598 Backport #17606 Backport #17608 Backport #17609 - Since https://gitea.com/gitea/test-env/pulls/10 the golangci-lint has been upgraded and is erroring about new warnings in the code, this PR fixes those warnings.
111 lines
2.9 KiB
Go
111 lines
2.9 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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"bufio"
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"context"
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"path"
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"code.gitea.io/gitea/modules/log"
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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]*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]*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, wr WriteCloserError, rd *bufio.Reader) (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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if _, err := wr.Write([]byte(vs + "\n")); err != nil {
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return nil, err
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}
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commit, err := c.repo.getCommitFromBatchReader(rd, 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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return c.recursiveCache(ctx, commit, &commit.Tree, "", 1)
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}
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func (c *LastCommitCache) recursiveCache(ctx context.Context, commit *Commit, 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, commit, 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, entryCommit := range commits {
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if err := c.Put(commit.ID.String(), path.Join(treePath, entry), entryCommit.ID.String()); err != nil {
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return err
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}
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// entryMap won't contain "" therefore skip this.
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if treeEntry := entryMap[entry]; treeEntry != nil && treeEntry.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, commit, 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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