code.gitea.io/gitea@v1.19.3/modules/git/last_commit_cache_gogit.go (about)

     1  // Copyright 2020 The Gitea Authors. All rights reserved.
     2  // SPDX-License-Identifier: MIT
     3  
     4  //go:build gogit
     5  
     6  package git
     7  
     8  import (
     9  	"context"
    10  
    11  	cgobject "github.com/go-git/go-git/v5/plumbing/object/commitgraph"
    12  )
    13  
    14  // CacheCommit will cache the commit from the gitRepository
    15  func (c *Commit) CacheCommit(ctx context.Context) error {
    16  	if c.repo.LastCommitCache == nil {
    17  		return nil
    18  	}
    19  	commitNodeIndex, _ := c.repo.CommitNodeIndex()
    20  
    21  	index, err := commitNodeIndex.Get(c.ID)
    22  	if err != nil {
    23  		return err
    24  	}
    25  
    26  	return c.recursiveCache(ctx, index, &c.Tree, "", 1)
    27  }
    28  
    29  func (c *Commit) recursiveCache(ctx context.Context, index cgobject.CommitNode, tree *Tree, treePath string, level int) error {
    30  	if level == 0 {
    31  		return nil
    32  	}
    33  
    34  	entries, err := tree.ListEntries()
    35  	if err != nil {
    36  		return err
    37  	}
    38  
    39  	entryPaths := make([]string, len(entries))
    40  	entryMap := make(map[string]*TreeEntry)
    41  	for i, entry := range entries {
    42  		entryPaths[i] = entry.Name()
    43  		entryMap[entry.Name()] = entry
    44  	}
    45  
    46  	commits, err := GetLastCommitForPaths(ctx, c.repo.LastCommitCache, index, treePath, entryPaths)
    47  	if err != nil {
    48  		return err
    49  	}
    50  
    51  	for entry := range commits {
    52  		if entryMap[entry].IsDir() {
    53  			subTree, err := tree.SubTree(entry)
    54  			if err != nil {
    55  				return err
    56  			}
    57  			if err := c.recursiveCache(ctx, index, subTree, entry, level-1); err != nil {
    58  				return err
    59  			}
    60  		}
    61  	}
    62  
    63  	return nil
    64  }