<commit_before>package tarexport

import (
	"encoding/json"
	"fmt"
	"io"
	"io/ioutil"
	"os"
	"path/filepath"

	"github.com/Sirupsen/logrus"
	"github.com/docker/docker/image"
	"github.com/docker/docker/image/v1"
	"github.com/docker/docker/layer"
	"github.com/docker/docker/pkg/archive"
	"github.com/docker/docker/pkg/chrootarchive"
	"github.com/docker/docker/pkg/symlink"
	"github.com/docker/docker/reference"
)

func (l *tarexporter) Load(inTar io.ReadCloser, outStream io.Writer) error {
	tmpDir, err := ioutil.TempDir("", "docker-import-")
	if err != nil {
		return err
	}
	defer os.RemoveAll(tmpDir)

	if err := chrootarchive.Untar(inTar, tmpDir, nil); err != nil {
		return err
	}
	// read manifest, if no file then load in legacy mode
	manifestPath, err := safePath(tmpDir, manifestFileName)
	if err != nil {
		return err
	}
	manifestFile, err := os.Open(manifestPath)
	if err != nil {
		if os.IsNotExist(err) {
			return l.legacyLoad(tmpDir, outStream)
		}
		return manifestFile.Close()
	}
	defer manifestFile.Close()

	var manifest []manifestItem
	if err := json.NewDecoder(manifestFile).Decode(&manifest); err != nil {
		return err
	}

	for _, m := range manifest {
		configPath, err := safePath(tmpDir, m.Config)
		if err != nil {
			return err
		}
		config, err := ioutil.ReadFile(configPath)
		if err != nil {
			return err
		}
		img, err := image.NewFromJSON(config)
		if err != nil {
			return err
		}
		var rootFS image.RootFS
		rootFS = *img.RootFS
		rootFS.DiffIDs = nil

		if expected, actual := len(m.Layers), len(img.RootFS.DiffIDs); expected != actual {
			return fmt.Errorf("invalid manifest, layers length mismatch: expected %q, got %q", expected, actual)
		}

		for i, diffID := range img.RootFS.DiffIDs {
			layerPath, err := safePath(tmpDir, m.Layers[i])
			if err != nil {
				return err
			}
			newLayer, err := l.loadLayer(layerPath, rootFS)
			if err != nil {
				return err
			}
			defer layer.ReleaseAndLog(l.ls, newLayer)
			if expected, actual := diffID, newLayer.DiffID(); expected != actual {
				return fmt.Errorf("invalid diffID for layer %d: expected %q, got %q", i, expected, actual)<commit_msg>Add support for partial load<commit_after>package tarexport

import (
	"encoding/json"
	"fmt"
	"io"
	"io/ioutil"
	"os"
	"path/filepath"

	"github.com/Sirupsen/logrus"
	"github.com/docker/docker/image"
	"github.com/docker/docker/image/v1"
	"github.com/docker/docker/layer"
	"github.com/docker/docker/pkg/archive"
	"github.com/docker/docker/pkg/chrootarchive"
	"github.com/docker/docker/pkg/symlink"
	"github.com/docker/docker/reference"
)

func (l *tarexporter) Load(inTar io.ReadCloser, outStream io.Writer) error {
	tmpDir, err := ioutil.TempDir("", "docker-import-")
	if err != nil {
		return err
	}
	defer os.RemoveAll(tmpDir)

	if err := chrootarchive.Untar(inTar, tmpDir, nil); err != nil {
		return err
	}
	// read manifest, if no file then load in legacy mode
	manifestPath, err := safePath(tmpDir, manifestFileName)
	if err != nil {
		return err
	}
	manifestFile, err := os.Open(manifestPath)
	if err != nil {
		if os.IsNotExist(err) {
			return l.legacyLoad(tmpDir, outStream)
		}
		return manifestFile.Close()
	}
	defer manifestFile.Close()

	var manifest []manifestItem
	if err := json.NewDecoder(manifestFile).Decode(&manifest); err != nil {
		return err
	}

	for _, m := range manifest {
		configPath, err := safePath(tmpDir, m.Config)
		if err != nil {
			return err
		}
		config, err := ioutil.ReadFile(configPath)
		if err != nil {
			return err
		}
		img, err := image.NewFromJSON(config)
		if err != nil {
			return err
		}
		var rootFS image.RootFS
		rootFS = *img.RootFS
		rootFS.DiffIDs = nil

		if expected, actual := len(m.Layers), len(img.RootFS.DiffIDs); expected != actual {
			return fmt.Errorf("invalid manifest, layers length mismatch: expected %q, got %q", expected, actual)
		}

		for i, diffID := range img.RootFS.DiffIDs {
			layerPath, err := safePath(tmpDir, m.Layers[i])
			if err != nil {
				return err
			}
			r := rootFS
			r.Append(diffID)
			newLayer, err := l.ls.Get(r.ChainID())
			if err != nil {
				newLayer, err = l.loadLayer(layerPath, rootFS)
				if err != nil {
					return err
				}
			}
			defer layer.ReleaseAndLog(l.ls, newLayer)
			if expected, actual := diffID, newLayer.DiffID(); expected != actual {
				return fmt.Errorf("invalid diffID for layer %d: expected %q, got %q", i, expected, actual)
{'fraction_non_alphanumeric': 0.13813540004558925, 'fraction_numerical': 0.00045589240939138365, 'mean_word_length': 3.59958071278826, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '735600', 'n_tokens_mistral': 1766, 'n_tokens_neox': 1574, 'n_words': 392}