#!/bin/sh test_description='partial clone' . ./test-lib.sh delete_object () { rm $1/.git/objects/$(echo $2 | sed -e 's|^..|&/|') } pack_as_from_promisor () { HASH=$(git -C repo pack-objects .git/objects/pack/pack) && >repo/.git/objects/pack/pack-$HASH.promisor && echo $HASH } promise_and_delete () { HASH=$(git -C repo rev-parse "$1") && git -C repo tag -a -m message my_annotated_tag "$HASH" && git -C repo rev-parse my_annotated_tag | pack_as_from_promisor && # tag -d prints a message to stdout, so redirect it git -C repo tag -d my_annotated_tag >/dev/null && delete_object repo "$HASH" } test_expect_success 'extensions.partialclone without filter' ' test_create_repo server && git clone --filter="blob:none" "file://$(pwd)/server" client && git -C client config --unset remote.origin.partialclonefilter && git -C client fetch origin ' test_expect_success 'missing reflog object, but promised by a commit, passes fsck' ' rm -rf repo && test_create_repo repo && test_commit -C repo my_commit && A=$(git -C repo commit-tree -m a HEAD^{tree}) && C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) && # Reference $A only from reflog, and delete it git -C repo branch my_branch "$A" && git -C repo branch -f my_branch my_commit && delete_object repo "$A" && # State that we got $C, which refers to $A, from promisor printf "$C\n" | pack_as_from_promisor && # Normally, it fails test_must_fail git -C repo fsck && # But with the extension, it succeeds git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo fsck ' test_expect_success 'missing reflog object, but promised by a tag, passes fsck' ' rm -rf repo && test_create_repo repo && test_commit -C repo my_commit && A=$(git -C repo commit-tree -m a HEAD^{tree}) && git -C repo tag -a -m d my_tag_name $A && T=$(git -C repo rev-parse my_tag_name) && git -C repo tag -d my_tag_name && # Reference $A only from reflog, and delete it git -C repo branch my_branch "$A" && git -C repo branch -f my_branch my_commit && delete_object repo "$A" && # State that we got $T, which refers to $A, from promisor printf "$T\n" | pack_as_from_promisor && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo fsck ' test_expect_success 'missing reflog object alone fails fsck, even with extension set' ' rm -rf repo && test_create_repo repo && test_commit -C repo my_commit && A=$(git -C repo commit-tree -m a HEAD^{tree}) && B=$(git -C repo commit-tree -m b HEAD^{tree}) && # Reference $A only from reflog, and delete it git -C repo branch my_branch "$A" && git -C repo branch -f my_branch my_commit && delete_object repo "$A" && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && test_must_fail git -C repo fsck ' test_expect_success 'missing ref object, but promised, passes fsck' ' rm -rf repo && test_create_repo repo && test_commit -C repo my_commit && A=$(git -C repo commit-tree -m a HEAD^{tree}) && # Reference $A only from ref git -C repo branch my_branch "$A" && promise_and_delete "$A" && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo fsck ' test_expect_success 'missing object, but promised, passes fsck' ' rm -rf repo && test_create_repo repo && test_commit -C repo 1 && test_commit -C repo 2 && test_commit -C repo 3 && git -C repo tag -a annotated_tag -m "annotated tag" && C=$(git -C repo rev-parse 1) && T=$(git -C repo rev-parse 2^{tree}) && B=$(git hash-object repo/3.t) && AT=$(git -C repo rev-parse annotated_tag) && promise_and_delete "$C" && promise_and_delete "$T" && promise_and_delete "$B" && promise_and_delete "$AT" && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo fsck ' test_expect_success 'missing CLI object, but promised, passes fsck' ' rm -rf repo && test_create_repo repo && test_commit -C repo my_commit && A=$(git -C repo commit-tree -m a HEAD^{tree}) && promise_and_delete "$A" && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo fsck "$A" ' test_expect_success 'fetching of missing objects' ' rm -rf repo && test_create_repo server && test_commit -C server foo && git -C server repack -a -d --write-bitmap-index && git clone "file://$(pwd)/server" repo && HASH=$(git -C repo rev-parse foo) && rm -rf repo/.git/objects/* && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "origin" && git -C repo cat-file -p "$HASH" && # Ensure that the .promisor file is written, and check that its # associated packfile contains the object ls repo/.git/objects/pack/pack-*.promisor >promisorlist && test_line_count = 1 promisorlist && IDX=$(sed "s/promisor$/idx/" promisorlist) && git verify-pack --verbose "$IDX" >out && grep "$HASH" out ' test_expect_success 'fetching of missing objects works with ref-in-want enabled' ' # ref-in-want requires protocol version 2 git -C server config protocol.version 2 && git -C server config uploadpack.allowrefinwant 1 && git -C repo config protocol.version 2 && rm -rf repo/.git/objects/* && rm -f trace && GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" && grep "git< fetch=.*ref-in-want" trace ' test_expect_success 'fetching of missing objects from another promisor remote' ' git clone "file://$(pwd)/server" server2 && test_commit -C server2 bar && git -C server2 repack -a -d --write-bitmap-index && HASH2=$(git -C server2 rev-parse bar) && git -C repo remote add server2 "file://$(pwd)/server2" && git -C repo config remote.server2.promisor true && git -C repo cat-file -p "$HASH2" && git -C repo fetch server2 && rm -rf repo/.git/objects/* && git -C repo cat-file -p "$HASH2" && # Ensure that the .promisor file is written, and check that its # associated packfile contains the object ls repo/.git/objects/pack/pack-*.promisor >promisorlist && test_line_count = 1 promisorlist && IDX=$(sed "s/promisor$/idx/" promisorlist) && git verify-pack --verbose "$IDX" >out && grep "$HASH2" out ' test_expect_success 'fetching of missing objects configures a promisor remote' ' git clone "file://$(pwd)/server" server3 && test_commit -C server3 baz && git -C server3 repack -a -d --write-bitmap-index && HASH3=$(git -C server3 rev-parse baz) && git -C server3 config uploadpack.allowfilter 1 && rm repo/.git/objects/pack/pack-*.promisor && git -C repo remote add server3 "file://$(pwd)/server3" && git -C repo fetch --filter="blob:none" server3 $HASH3 && test_cmp_config -C repo true remote.server3.promisor && # Ensure that the .promisor file is written, and check that its # associated packfile contains the object ls repo/.git/objects/pack/pack-*.promisor >promisorlist && test_line_count = 1 promisorlist && IDX=$(sed "s/promisor$/idx/" promisorlist) && git verify-pack --verbose "$IDX" >out && grep "$HASH3" out ' test_expect_success 'fetching of missing blobs works' ' rm -rf server server2 repo && rm -rf server server3 repo && test_create_repo server && test_commit -C server foo && git -C server repack -a -d --write-bitmap-index && git clone "file://$(pwd)/server" repo && git hash-object repo/foo.t >blobhash && rm -rf repo/.git/objects/* && git -C server config uploadpack.allowanysha1inwant 1 && git -C server config uploadpack.allowfilter 1 && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "origin" && git -C repo cat-file -p $(cat blobhash) ' test_expect_success 'fetching of missing trees does not fetch blobs' ' rm -rf server repo && test_create_repo server && test_commit -C server foo && git -C server repack -a -d --write-bitmap-index && git clone "file://$(pwd)/server" repo && git -C repo rev-parse foo^{tree} >treehash && git hash-object repo/foo.t >blobhash && rm -rf repo/.git/objects/* && git -C server config uploadpack.allowanysha1inwant 1 && git -C server config uploadpack.allowfilter 1 && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "origin" && git -C repo cat-file -p $(cat treehash) && # Ensure that the tree, but not the blob, is fetched git -C repo rev-list --objects --missing=print $(cat treehash) >objects && grep "^$(cat treehash)" objects && grep "^[?]$(cat blobhash)" objects ' test_expect_success 'rev-list stops traversal at missing and promised commit' ' rm -rf repo && test_create_repo repo && test_commit -C repo foo && test_commit -C repo bar && FOO=$(git -C repo rev-parse foo) && promise_and_delete "$FOO" && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && GIT_TEST_COMMIT_GRAPH=0 git -C repo -c core.commitGraph=false rev-list --exclude-promisor-objects --objects bar >out && grep $(git -C repo rev-parse bar) out && ! grep $FOO out ' test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' ' rm -rf repo && test_create_repo repo && test_commit -C repo foo && test_commit -C repo bar && test_commit -C repo baz && promise_and_delete $(git -C repo rev-parse bar^{tree}) && promise_and_delete $(git -C repo rev-parse foo^{tree}) && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err && test_must_be_empty rev_list_err && # 3 commits, 3 blobs, and 1 tree test_line_count = 7 objs && # Do the same for --exclude-promisor-objects, but with all trees gone. promise_and_delete $(git -C repo rev-parse baz^{tree}) && git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err && test_must_be_empty rev_list_err && # 3 commits, no blobs or trees test_line_count = 3 objs ' test_expect_success 'missing non-root tree object and rev-list' ' rm -rf repo && test_create_repo repo && mkdir repo/dir && echo foo >repo/dir/foo && git -C repo add dir/foo && git -C repo commit -m "commit dir/foo" && promise_and_delete $(git -C repo rev-parse HEAD:dir) && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err && test_must_be_empty rev_list_err && # 1 commit and 1 tree test_line_count = 2 objs ' test_expect_success 'rev-list stops traversal at missing and promised tree' ' rm -rf repo && test_create_repo repo && test_commit -C repo foo && mkdir repo/a_dir && echo something >repo/a_dir/something && git -C repo add a_dir/something && git -C repo commit -m bar && # foo^{tree} (tree referenced from commit) TREE=$(git -C repo rev-parse foo^{tree}) && # a tree referenced by HEAD^{tree} (tree referenced from tree) TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) && promise_and_delete "$TREE" && promise_and_delete "$TREE2" && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo rev-list --exclude-promisor-objects --objects HEAD >out && grep $(git -C repo rev-parse foo) out && ! grep $TREE out && grep $(git -C repo rev-parse HEAD) out && ! grep $TREE2 out ' test_expect_success 'rev-list stops traversal at missing and promised blob' ' rm -rf repo && test_create_repo repo && echo something >repo/something && git -C repo add something && git -C repo commit -m foo && BLOB=$(git -C repo hash-object -w something) && promise_and_delete "$BLOB" && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo rev-list --exclude-promisor-objects --objects HEAD >out && grep $(git -C repo rev-parse HEAD) out && ! grep $BLOB out ' test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' ' rm -rf repo && test_create_repo repo && test_commit -C repo foo && test_commit -C repo bar && test_commit -C repo baz && COMMIT=$(git -C repo rev-parse foo) && TREE=$(git -C repo rev-parse bar^{tree}) && BLOB=$(git hash-object repo/baz.t) && printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo rev-list --exclude-promisor-objects --objects HEAD >out && ! grep $COMMIT out && ! grep $TREE out && ! grep $BLOB out && grep $(git -C repo rev-parse bar) out # sanity check that some walking was done ' test_expect_success 'rev-list dies for missing objects on cmd line' ' rm -rf repo && test_create_repo repo && test_commit -C repo foo && test_commit -C repo bar && test_commit -C repo baz && COMMIT=$(git -C repo rev-parse foo) && TREE=$(git -C repo rev-parse bar^{tree}) && BLOB=$(git hash-object repo/baz.t) && promise_and_delete $COMMIT && promise_and_delete $TREE && promise_and_delete $BLOB && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && for OBJ in "$COMMIT" "$TREE" "$BLOB"; do test_must_fail git -C repo rev-list --objects \ --exclude-promisor-objects "$OBJ" && test_must_fail git -C repo rev-list --objects-edge-aggressive \ --exclude-promisor-objects "$OBJ" && # Do not die or crash when --ignore-missing is passed. git -C repo rev-list --ignore-missing --objects \ --exclude-promisor-objects "$OBJ" && git -C repo rev-list --ignore-missing --objects-edge-aggressive \ --exclude-promisor-objects "$OBJ" done ' test_expect_success 'single promisor remote can be re-initialized gracefully' ' # ensure one promisor is in the promisors list rm -rf repo && test_create_repo repo && test_create_repo other && git -C repo remote add foo "file://$(pwd)/other" && git -C repo config remote.foo.promisor true && git -C repo config extensions.partialclone foo && # reinitialize the promisors list git -C repo fetch --filter=blob:none foo ' test_expect_success 'gc repacks promisor objects separately from non-promisor objects' ' rm -rf repo && test_create_repo repo && test_commit -C repo one && test_commit -C repo two && TREE_ONE=$(git -C repo rev-parse one^{tree}) && printf "$TREE_ONE\n" | pack_as_from_promisor && TREE_TWO=$(git -C repo rev-parse two^{tree}) && printf "$TREE_TWO\n" | pack_as_from_promisor && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo gc && # Ensure that exactly one promisor packfile exists, and that it # contains the trees but not the commits ls repo/.git/objects/pack/pack-*.promisor >promisorlist && test_line_count = 1 promisorlist && PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) && git verify-pack $PROMISOR_PACKFILE -v >out && grep "$TREE_ONE" out && grep "$TREE_TWO" out && ! grep "$(git -C repo rev-parse one)" out && ! grep "$(git -C repo rev-parse two)" out && # Remove the promisor packfile and associated files rm $(sed "s/.promisor//" <promisorlist).* && # Ensure that the single other pack contains the commits, but not the # trees ls repo/.git/objects/pack/pack-*.pack >packlist && test_line_count = 1 packlist && git verify-pack repo/.git/objects/pack/pack-*.pack -v >out && grep "$(git -C repo rev-parse one)" out && grep "$(git -C repo rev-parse two)" out && ! grep "$TREE_ONE" out && ! grep "$TREE_TWO" out ' test_expect_success 'gc does not repack promisor objects if there are none' ' rm -rf repo && test_create_repo repo && test_commit -C repo one && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo gc && # Ensure that only one pack exists ls repo/.git/objects/pack/pack-*.pack >packlist && test_line_count = 1 packlist ' repack_and_check () { rm -rf repo2 && cp -r repo repo2 && git -C repo2 repack $1 -d && git -C repo2 fsck && git -C repo2 cat-file -e $2 && git -C repo2 cat-file -e $3 } test_expect_success 'repack -d does not irreversibly delete promisor objects' ' rm -rf repo && test_create_repo repo && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo commit --allow-empty -m one && git -C repo commit --allow-empty -m two && git -C repo commit --allow-empty -m three && git -C repo commit --allow-empty -m four && ONE=$(git -C repo rev-parse HEAD^^^) && TWO=$(git -C repo rev-parse HEAD^^) && THREE=$(git -C repo rev-parse HEAD^) && printf "$TWO\n" | pack_as_from_promisor && printf "$THREE\n" | pack_as_from_promisor && delete_object repo "$ONE" && repack_and_check -a "$TWO" "$THREE" && repack_and_check -A "$TWO" "$THREE" && repack_and_check -l "$TWO" "$THREE" ' test_expect_success 'gc stops traversal when a missing but promised object is reached' ' rm -rf repo && test_create_repo repo && test_commit -C repo my_commit && TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) && HASH=$(promise_and_delete $TREE_HASH) && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo gc && # Ensure that the promisor packfile still exists, and remove it test -e repo/.git/objects/pack/pack-$HASH.pack && rm repo/.git/objects/pack/pack-$HASH.* && # Ensure that the single other pack contains the commit, but not the tree ls repo/.git/objects/pack/pack-*.pack >packlist && test_line_count = 1 packlist && git verify-pack repo/.git/objects/pack/pack-*.pack -v >out && grep "$(git -C repo rev-parse HEAD)" out && ! grep "$TREE_HASH" out ' test_expect_success 'do not fetch when checking existence of tree we construct ourselves' ' rm -rf repo && test_create_repo repo && test_commit -C repo base && test_commit -C repo side1 && git -C repo checkout base && test_commit -C repo side2 && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "arbitrary string" && git -C repo cherry-pick side1 ' . "$TEST_DIRECTORY"/lib-httpd.sh start_httpd test_expect_success 'fetching of missing objects from an HTTP server' ' rm -rf repo && SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" && test_create_repo "$SERVER" && test_commit -C "$SERVER" foo && git -C "$SERVER" repack -a -d --write-bitmap-index && git clone $HTTPD_URL/smart/server repo && HASH=$(git -C repo rev-parse foo) && rm -rf repo/.git/objects/* && git -C repo config core.repositoryformatversion 1 && git -C repo config extensions.partialclone "origin" && git -C repo cat-file -p "$HASH" && # Ensure that the .promisor file is written, and check that its # associated packfile contains the object ls repo/.git/objects/pack/pack-*.promisor >promisorlist && test_line_count = 1 promisorlist && IDX=$(sed "s/promisor$/idx/" promisorlist) && git verify-pack --verbose "$IDX" >out && grep "$HASH" out ' # DO NOT add non-httpd-specific tests here, because the last part of this # test script is only executed when httpd is available and enabled. test_done