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	Follow #21464 Make all git command arguments strictly safe. Most changes are one-to-one replacing, keep all existing logic.
		
			
				
	
	
		
			92 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2022 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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package doctor
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import (
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	"context"
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	repo_model "code.gitea.io/gitea/models/repo"
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	"code.gitea.io/gitea/modules/git"
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	"code.gitea.io/gitea/modules/log"
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)
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func synchronizeRepoHeads(ctx context.Context, logger log.Logger, autofix bool) error {
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	numRepos := 0
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	numHeadsBroken := 0
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	numDefaultBranchesBroken := 0
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	numReposUpdated := 0
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	err := iterateRepositories(ctx, func(repo *repo_model.Repository) error {
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		numRepos++
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		runOpts := &git.RunOpts{Dir: repo.RepoPath()}
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		_, _, defaultBranchErr := git.NewCommand(ctx, "rev-parse").AddDashesAndList(repo.DefaultBranch).RunStdString(runOpts)
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		head, _, headErr := git.NewCommand(ctx, "symbolic-ref", "--short", "HEAD").RunStdString(runOpts)
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		// what we expect: default branch is valid, and HEAD points to it
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		if headErr == nil && defaultBranchErr == nil && head == repo.DefaultBranch {
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			return nil
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		}
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		if headErr != nil {
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			numHeadsBroken++
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		}
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		if defaultBranchErr != nil {
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			numDefaultBranchesBroken++
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		}
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		// if default branch is broken, let the user fix that in the UI
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		if defaultBranchErr != nil {
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			logger.Warn("Default branch for %s/%s doesn't point to a valid commit", repo.OwnerName, repo.Name)
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			return nil
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		}
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		// if we're not autofixing, that's all we can do
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		if !autofix {
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			return nil
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		}
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		// otherwise, let's try fixing HEAD
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		err := git.NewCommand(ctx, "symbolic-ref").AddDashesAndList("HEAD", repo.DefaultBranch).Run(runOpts)
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		if err != nil {
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			logger.Warn("Failed to fix HEAD for %s/%s: %v", repo.OwnerName, repo.Name, err)
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			return nil
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		}
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		numReposUpdated++
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		return nil
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	})
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	if err != nil {
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		logger.Critical("Error when fixing repo HEADs: %v", err)
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	}
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	if autofix {
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		logger.Info("Out of %d repos, HEADs for %d are now fixed and HEADS for %d are still broken", numRepos, numReposUpdated, numDefaultBranchesBroken+numHeadsBroken-numReposUpdated)
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	} else {
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		if numHeadsBroken == 0 && numDefaultBranchesBroken == 0 {
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			logger.Info("All %d repos have their HEADs in the correct state")
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		} else {
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			if numHeadsBroken == 0 && numDefaultBranchesBroken != 0 {
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				logger.Critical("Default branches are broken for %d/%d repos", numDefaultBranchesBroken, numRepos)
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			} else if numHeadsBroken != 0 && numDefaultBranchesBroken == 0 {
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				logger.Warn("HEADs are broken for %d/%d repos", numHeadsBroken, numRepos)
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			} else {
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				logger.Critical("Out of %d repos, HEADS are broken for %d and default branches are broken for %d", numRepos, numHeadsBroken, numDefaultBranchesBroken)
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			}
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		}
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	}
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	return err
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}
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func init() {
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	Register(&Check{
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		Title:     "Synchronize repo HEADs",
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		Name:      "synchronize-repo-heads",
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		IsDefault: true,
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		Run:       synchronizeRepoHeads,
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		Priority:  7,
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	})
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}
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