Initial commit, source code of Gitea 1.23.1

modules/git/last_commit_cache_gogit.go

@@ -0,0 +1,65 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build gogit
+
+package git
+
+import (
+	"context"
+
+	"github.com/go-git/go-git/v5/plumbing"
+	cgobject "github.com/go-git/go-git/v5/plumbing/object/commitgraph"
+)
+
+// CacheCommit will cache the commit from the gitRepository
+func (c *Commit) CacheCommit(ctx context.Context) error {
+	if c.repo.LastCommitCache == nil {
+		return nil
+	}
+	commitNodeIndex, _ := c.repo.CommitNodeIndex()
+
+	index, err := commitNodeIndex.Get(plumbing.Hash(c.ID.RawValue()))
+	if err != nil {
+		return err
+	}
+
+	return c.recursiveCache(ctx, index, &c.Tree, "", 1)
+}
+
+func (c *Commit) recursiveCache(ctx context.Context, index cgobject.CommitNode, tree *Tree, treePath string, level int) error {
+	if level == 0 {
+		return nil
+	}
+
+	entries, err := tree.ListEntries()
+	if err != nil {
+		return err
+	}
+
+	entryPaths := make([]string, len(entries))
+	entryMap := make(map[string]*TreeEntry)
+	for i, entry := range entries {
+		entryPaths[i] = entry.Name()
+		entryMap[entry.Name()] = entry
+	}
+
+	commits, err := GetLastCommitForPaths(ctx, c.repo.LastCommitCache, index, treePath, entryPaths)
+	if err != nil {
+		return err
+	}
+
+	for entry := range commits {
+		if entryMap[entry].IsDir() {
+			subTree, err := tree.SubTree(entry)
+			if err != nil {
+				return err
+			}
+			if err := c.recursiveCache(ctx, index, subTree, entry, level-1); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}