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package objectpool
import (
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/git/gittest"
"gitlab.com/gitlab-org/gitaly/internal/git/localrepo"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
)
func TestReduplicate(t *testing.T) {
ctx := testhelper.Context(t)
cfg, repoProto, repoPath, _, client := setup(ctx, t)
repo := localrepo.NewTestRepo(t, cfg, repoProto)
gitCmdFactory := gittest.NewCommandFactory(t, cfg)
pool := initObjectPool(t, cfg, cfg.Storages[0])
require.NoError(t, pool.Create(ctx, repo))
require.NoError(t, pool.Link(ctx, repo))
gittest.Exec(t, cfg, "-C", repoPath, "gc")
// git-gc(1) invokes git-repack(1), which by defaults generates these files. Manually remove
// them so that we can assert further down that repository reduplication doesn't regenerate
// those paths.
require.NoError(t, os.Remove(filepath.Join(repoPath, "info", "refs")))
require.NoError(t, os.Remove(filepath.Join(repoPath, "objects", "info", "packs")))
existingObjectID := "55bc176024cfa3baaceb71db584c7e5df900ea65"
// Corrupt the repository to check if the object can't be found
altPath, err := repo.InfoAlternatesPath()
require.NoError(t, err, "find info/alternates")
require.NoError(t, os.RemoveAll(altPath))
cmd, err := gitCmdFactory.New(ctx, repo,
git.SubCmd{Name: "cat-file", Flags: []git.Option{git.Flag{Name: "-e"}}, Args: []string{existingObjectID}})
require.NoError(t, err)
require.Error(t, cmd.Wait())
// Reduplicate and check if the objects appear again
require.NoError(t, pool.Link(ctx, repo))
_, err = client.ReduplicateRepository(ctx, &gitalypb.ReduplicateRepositoryRequest{Repository: repoProto})
require.NoError(t, err)
require.NoError(t, os.RemoveAll(altPath))
gittest.Exec(t, cfg, "-C", repoPath, "cat-file", "-e", existingObjectID)
require.NoFileExists(t, filepath.Join(repoPath, "info", "refs"))
require.NoFileExists(t, filepath.Join(repoPath, "objects", "info", "packs"))
}
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