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Add more tests for fetch code.

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tests/test_fetch.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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from bzrlib.plugins.git.fetch import BzrFetchGraphWalker
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from bzrlib.plugins.git.mapping import default_mapping
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from bzrlib.tests import TestCaseWithTransport
 
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from dulwich.objects import (
 
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    Blob,
 
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    Tree,
 
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    )
 
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import os
 
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from bzrlib import (
 
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    knit,
 
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    osutils,
 
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    versionedfile,
 
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    )
 
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from bzrlib.bzrdir import (
 
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    BzrDir,
 
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    )
 
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from bzrlib.inventory import (
 
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    Inventory,
 
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    )
 
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from bzrlib.repository import (
 
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    Repository,
 
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    )
 
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from bzrlib.tests import (
 
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    TestCaseWithTransport,
 
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    )
 
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from bzrlib.transport import (
 
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    get_transport,
 
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    )
 
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from bzrlib.plugins.git import (
 
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    get_rich_root_format,
 
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    )
 
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from bzrlib.plugins.git.fetch import (
 
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    BzrFetchGraphWalker,
 
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    import_git_blob,
 
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    import_git_tree,
 
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    )
 
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from bzrlib.plugins.git.mapping import (
 
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    BzrGitMappingv1,
 
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    default_mapping,
 
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    )
 
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from bzrlib.plugins.git.shamap import (
 
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    DictGitShaMap,
 
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    )
 
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from bzrlib.plugins.git.tests import (
 
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    GitBranchBuilder,
 
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    run_git,
 
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    )
 
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class FetchGraphWalkerTests(TestCaseWithTransport):
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        self.assertEquals(None, graphwalker.next())
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class LocalRepositoryFetchTests(TestCaseWithTransport):
 
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    def make_git_repo(self, path):
 
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        os.mkdir(path)
 
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        os.chdir(path)
 
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        run_git("init")
 
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        os.chdir("..")
 
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    def clone_git_repo(self, from_url, to_url):
 
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        oldrepos = Repository.open(from_url)
 
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        dir = BzrDir.create(to_url, get_rich_root_format())
 
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        newrepos = dir.create_repository()
 
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        oldrepos.copy_content_into(newrepos)
 
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        return newrepos
 
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    def test_empty(self):
 
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        self.make_git_repo("d")
 
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        newrepos = self.clone_git_repo("d", "f")
 
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        self.assertEquals([], newrepos.all_revision_ids())
 
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    def test_single_rev(self):
 
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        self.make_git_repo("d")
 
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        os.chdir("d")
 
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        bb = GitBranchBuilder()
 
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        bb.set_file("foobar", "foo\nbar\n", False)
 
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        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
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        gitsha = bb.finish()[mark]
 
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        os.chdir("..")
 
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        oldrepo = Repository.open("d")
 
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        newrepo = self.clone_git_repo("d", "f")
 
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        self.assertEquals([oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)], newrepo.all_revision_ids())
 
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    def test_executable(self):
 
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        self.make_git_repo("d")
 
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        os.chdir("d")
 
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        bb = GitBranchBuilder()
 
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        bb.set_file("foobar", "foo\nbar\n", True)
 
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        bb.set_file("notexec", "foo\nbar\n", False)
 
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        mark = bb.commit("Somebody <somebody@someorg.org>", "mymsg")
 
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        gitsha = bb.finish()[mark]
 
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        os.chdir("..")
 
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        oldrepo = Repository.open("d")
 
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        newrepo = self.clone_git_repo("d", "f")
 
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        revid = oldrepo.get_mapping().revision_id_foreign_to_bzr(gitsha)
 
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        tree = newrepo.revision_tree(revid)
 
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        self.assertTrue(tree.has_filename("foobar"))
 
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        self.assertEquals(True, tree.inventory[tree.path2id("foobar")].executable)
 
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        self.assertTrue(tree.has_filename("notexec"))
 
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        self.assertEquals(False, tree.inventory[tree.path2id("notexec")].executable)
 
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class ImportObjects(TestCaseWithTransport):
 
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    def setUp(self):
 
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        super(ImportObjects, self).setUp()
 
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        self._map = DictGitShaMap()
 
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        self._mapping = BzrGitMappingv1()
 
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        factory = knit.make_file_factory(True, versionedfile.PrefixMapper())
 
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        self._texts = factory(self.get_transport('texts'))
 
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    def test_import_blob_simple(self):
 
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        blob = Blob.from_string("bar")
 
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        inv = Inventory()
 
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        inv.revision_id = "somerevid"
 
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        import_git_blob(self._texts, self._mapping, "bla", blob, 
 
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            inv, [], self._map, False)
 
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        self.assertEquals(set([('bla', 'somerevid')]), self._texts.keys())
 
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        self.assertEquals(self._texts.get_record_stream([('bla', 'somerevid')],
 
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            "unordered", True).next().get_bytes_as("fulltext"), "bar")
 
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        self.assertEquals(False, inv["bla"].executable)
 
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        self.assertEquals("file", inv["bla"].kind)
 
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        self.assertEquals("somerevid", inv["bla"].revision)
 
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        self.assertEquals(osutils.sha_strings(["bar"]), inv["bla"].text_sha1)
 
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    def test_import_tree_empty_root(self):
 
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        inv = Inventory()
 
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        inv.revision_id = "somerevid"
 
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        tree = Tree()
 
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        tree.serialize()
 
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        import_git_tree(self._texts, self._mapping, "", tree, inv, [], 
 
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            self._map, {}.__getitem__)
 
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        self.assertEquals(set([("TREE_ROOT", 'somerevid')]), self._texts.keys())
 
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        self.assertEquals(False, inv["TREE_ROOT"].executable)
 
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        self.assertEquals("directory", inv["TREE_ROOT"].kind)
 
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        self.assertEquals({}, inv["TREE_ROOT"].children)
 
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        self.assertEquals("somerevid", inv["TREE_ROOT"].revision)
 
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        self.assertEquals(None, inv["TREE_ROOT"].text_sha1)
 
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    def test_import_tree_empty(self):
 
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        inv = Inventory()
 
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        inv.revision_id = "somerevid"
 
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        tree = Tree()
 
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        tree.serialize()
 
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        import_git_tree(self._texts, self._mapping, "bla", tree, inv, [], 
 
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            self._map, {}.__getitem__)
 
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        self.assertEquals(set([("bla", 'somerevid')]), self._texts.keys())
 
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        self.assertEquals("directory", inv["bla"].kind)
 
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        self.assertEquals(False, inv["bla"].executable)
 
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        self.assertEquals({}, inv["bla"].children)
 
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        self.assertEquals("somerevid", inv["bla"].revision)
 
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        self.assertEquals(None, inv["bla"].text_sha1)
 
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    def test_import_tree_with_file(self):
 
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        inv = Inventory()
 
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        inv.revision_id = "somerevid"
 
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        blob = Blob.from_string("bar1")
 
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        tree = Tree()
 
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        tree.add(0100600, "foo", blob.id)
 
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        tree.serialize()
 
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        objects = { blob.id: blob, tree.id: tree }
 
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        import_git_tree(self._texts, self._mapping, "bla", tree, inv, [], 
 
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            self._map, objects.__getitem__)
 
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        self.assertEquals(["foo"], inv["bla"].children.keys())
 
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        self.assertEquals(set(["bla", "bla/foo"]), 
 
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                set([ie.file_id for (path, ie) in inv.entries()]))
 
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        ie = inv["bla/foo"]
 
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        self.assertEquals("file", ie.kind)
 
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        self.assertEquals("bla/foo", ie.file_id)
 
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        self.assertEquals("somerevid", ie.revision)
 
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        self.assertEquals(osutils.sha_strings(["bar1"]), ie.text_sha1)
 
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        self.assertEquals(False, ie.executable)
 
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199
    def test_import_tree_with_file_exe(self):
 
200
        inv = Inventory()
 
201
        inv.revision_id = "somerevid"
 
202
        blob = Blob.from_string("bar")
 
203
        tree = Tree()
 
204
        tree.add(0100755, "foo", blob.id)
 
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        tree.serialize()
 
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        objects = { blob.id: blob, tree.id: tree }
 
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        import_git_tree(self._texts, self._mapping, "bla", tree, inv, [], 
 
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            self._map, objects.__getitem__)
 
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        self.assertEquals(["foo"], inv["bla"].children.keys())
 
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        ie = inv["bla/foo"]
 
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        self.assertEquals("file", ie.kind)
 
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        self.assertEquals(True, ie.executable)
 
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