-
-
Notifications
You must be signed in to change notification settings - Fork 5.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* Refactor code indexer * fix test * fix test * refactor code indexer * fix import * improve code * fix typo * fix test and make code clean * fix lint
- Loading branch information
Showing
13 changed files
with
649 additions
and
638 deletions.
There are no files selected for viewing
Large diffs are not rendered by default.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,147 @@ | ||
// Copyright 2019 The Gitea Authors. All rights reserved. | ||
// Use of this source code is governed by a MIT-style | ||
// license that can be found in the LICENSE file. | ||
|
||
package code | ||
|
||
import ( | ||
"strconv" | ||
"strings" | ||
|
||
"code.gitea.io/gitea/models" | ||
"code.gitea.io/gitea/modules/git" | ||
"code.gitea.io/gitea/modules/log" | ||
"code.gitea.io/gitea/modules/setting" | ||
) | ||
|
||
type fileUpdate struct { | ||
Filename string | ||
BlobSha string | ||
} | ||
|
||
// repoChanges changes (file additions/updates/removals) to a repo | ||
type repoChanges struct { | ||
Updates []fileUpdate | ||
RemovedFilenames []string | ||
} | ||
|
||
func getDefaultBranchSha(repo *models.Repository) (string, error) { | ||
stdout, err := git.NewCommand("show-ref", "-s", git.BranchPrefix+repo.DefaultBranch).RunInDir(repo.RepoPath()) | ||
if err != nil { | ||
return "", err | ||
} | ||
return strings.TrimSpace(stdout), nil | ||
} | ||
|
||
// getRepoChanges returns changes to repo since last indexer update | ||
func getRepoChanges(repo *models.Repository, revision string) (*repoChanges, error) { | ||
if err := repo.GetIndexerStatus(); err != nil { | ||
return nil, err | ||
} | ||
|
||
if len(repo.IndexerStatus.CommitSha) == 0 { | ||
return genesisChanges(repo, revision) | ||
} | ||
return nonGenesisChanges(repo, revision) | ||
} | ||
|
||
func isIndexable(entry *git.TreeEntry) bool { | ||
if !entry.IsRegular() && !entry.IsExecutable() { | ||
return false | ||
} | ||
name := strings.ToLower(entry.Name()) | ||
for _, g := range setting.Indexer.ExcludePatterns { | ||
if g.Match(name) { | ||
return false | ||
} | ||
} | ||
for _, g := range setting.Indexer.IncludePatterns { | ||
if g.Match(name) { | ||
return true | ||
} | ||
} | ||
return len(setting.Indexer.IncludePatterns) == 0 | ||
} | ||
|
||
// parseGitLsTreeOutput parses the output of a `git ls-tree -r --full-name` command | ||
func parseGitLsTreeOutput(stdout []byte) ([]fileUpdate, error) { | ||
entries, err := git.ParseTreeEntries(stdout) | ||
if err != nil { | ||
return nil, err | ||
} | ||
var idxCount = 0 | ||
updates := make([]fileUpdate, len(entries)) | ||
for _, entry := range entries { | ||
if isIndexable(entry) { | ||
updates[idxCount] = fileUpdate{ | ||
Filename: entry.Name(), | ||
BlobSha: entry.ID.String(), | ||
} | ||
idxCount++ | ||
} | ||
} | ||
return updates[:idxCount], nil | ||
} | ||
|
||
// genesisChanges get changes to add repo to the indexer for the first time | ||
func genesisChanges(repo *models.Repository, revision string) (*repoChanges, error) { | ||
var changes repoChanges | ||
stdout, err := git.NewCommand("ls-tree", "--full-tree", "-r", revision). | ||
RunInDirBytes(repo.RepoPath()) | ||
if err != nil { | ||
return nil, err | ||
} | ||
changes.Updates, err = parseGitLsTreeOutput(stdout) | ||
return &changes, err | ||
} | ||
|
||
// nonGenesisChanges get changes since the previous indexer update | ||
func nonGenesisChanges(repo *models.Repository, revision string) (*repoChanges, error) { | ||
diffCmd := git.NewCommand("diff", "--name-status", | ||
repo.IndexerStatus.CommitSha, revision) | ||
stdout, err := diffCmd.RunInDir(repo.RepoPath()) | ||
if err != nil { | ||
// previous commit sha may have been removed by a force push, so | ||
// try rebuilding from scratch | ||
log.Warn("git diff: %v", err) | ||
if err = indexer.Delete(repo.ID); err != nil { | ||
return nil, err | ||
} | ||
return genesisChanges(repo, revision) | ||
} | ||
var changes repoChanges | ||
updatedFilenames := make([]string, 0, 10) | ||
for _, line := range strings.Split(stdout, "\n") { | ||
line = strings.TrimSpace(line) | ||
if len(line) == 0 { | ||
continue | ||
} | ||
filename := strings.TrimSpace(line[1:]) | ||
if len(filename) == 0 { | ||
continue | ||
} else if filename[0] == '"' { | ||
filename, err = strconv.Unquote(filename) | ||
if err != nil { | ||
return nil, err | ||
} | ||
} | ||
|
||
switch status := line[0]; status { | ||
case 'M', 'A': | ||
updatedFilenames = append(updatedFilenames, filename) | ||
case 'D': | ||
changes.RemovedFilenames = append(changes.RemovedFilenames, filename) | ||
default: | ||
log.Warn("Unrecognized status: %c (line=%s)", status, line) | ||
} | ||
} | ||
|
||
cmd := git.NewCommand("ls-tree", "--full-tree", revision, "--") | ||
cmd.AddArguments(updatedFilenames...) | ||
lsTreeStdout, err := cmd.RunInDirBytes(repo.RepoPath()) | ||
if err != nil { | ||
return nil, err | ||
} | ||
changes.Updates, err = parseGitLsTreeOutput(lsTreeStdout) | ||
return &changes, err | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.