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package repository
import (
"context"
"gitlab.com/gitlab-org/gitaly/v15/internal/git"
"gitlab.com/gitlab-org/gitaly/v15/internal/git/housekeeping"
"gitlab.com/gitlab-org/gitaly/v15/internal/git/stats"
"gitlab.com/gitlab-org/gitaly/v15/internal/helper"
"gitlab.com/gitlab-org/gitaly/v15/proto/go/gitalypb"
)
// PruneUnreachableObjects prunes objects which aren't reachable from any of its references. To
// ensure that concurrently running commands do not reference those objects anymore when we execute
// the prune we enforce a grace-period: objects will only be pruned if they haven't been accessed
// for at least 30 minutes.
func (s *server) PruneUnreachableObjects(
ctx context.Context,
request *gitalypb.PruneUnreachableObjectsRequest,
) (*gitalypb.PruneUnreachableObjectsResponse, error) {
if request.GetRepository() == nil {
return nil, helper.ErrInvalidArgumentf("missing repository")
}
repo := s.localrepo(request.GetRepository())
// Verify that the repository exists on-disk such that we can return a proper gRPC code in
// case it doesn't.
if _, err := repo.Path(); err != nil {
return nil, err
}
if err := repo.ExecAndWait(ctx, git.SubCmd{
Name: "prune",
Flags: []git.Option{
git.ValueFlag{Name: "--expire", Value: "30.minutes.ago"},
},
}); err != nil {
return nil, helper.ErrInternalf("pruning objects: %w", err)
}
// Rewrite the commit-graph so that it doesn't contain references to pruned commits
// anymore.
if err := housekeeping.WriteCommitGraph(ctx, repo, housekeeping.WriteCommitGraphConfig{
ReplaceChain: true,
}); err != nil {
return nil, helper.ErrInternalf("rewriting commit-graph: %w", err)
}
stats.LogObjectsInfo(ctx, repo)
return &gitalypb.PruneUnreachableObjectsResponse{}, nil
}
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