[thirdparty/git.git] / t / t0410-partial-clone.sh

#!/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 core.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=$(cat promisorlist | sed "s/promisor$/idx/") &&
	git verify-pack --verbose "$IDX" | grep "$HASH"
'

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 blobs works' '
	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 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 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 '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_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=$(cat promisorlist | sed "s/promisor$/idx/") &&
	git verify-pack --verbose "$IDX" | grep "$HASH"
'

stop_httpd

test_done
Commit	Line	Data
498f1f61 JT	1	#!/bin/sh
	2
	3	test_description='partial clone'
	4
	5	. ./test-lib.sh
	6
	7	delete_object () {
	8	rm $1/.git/objects/$(echo $2 \| sed -e 's\|^..\|&/\|')
	9	}
	10
	11	pack_as_from_promisor () {
	12	HASH=$(git -C repo pack-objects .git/objects/pack/pack) &&
0c16cd49 JT	13	>repo/.git/objects/pack/pack-$HASH.promisor &&
0c16cd49 JT	14	echo $HASH
498f1f61 JT	15	}
498f1f61 JT	16
43f25158 JT	17	promise_and_delete () {
	18	HASH=$(git -C repo rev-parse "$1") &&
	19	git -C repo tag -a -m message my_annotated_tag "$HASH" &&
	20	git -C repo rev-parse my_annotated_tag \| pack_as_from_promisor &&
0c16cd49 JT	21	# tag -d prints a message to stdout, so redirect it
0c16cd49 JT	22	git -C repo tag -d my_annotated_tag >/dev/null &&
43f25158 JT	23	delete_object repo "$HASH"
	24	}
	25
cac1137d JT	26	test_expect_success 'extensions.partialclone without filter' '
	27	test_create_repo server &&
	28	git clone --filter="blob:none" "file://$(pwd)/server" client &&
	29	git -C client config --unset core.partialclonefilter &&
	30	git -C client fetch origin
	31	'
	32
498f1f61	33	test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
cac1137d	34	rm -rf repo &&
498f1f61 JT	35	test_create_repo repo &&
	36	test_commit -C repo my_commit &&
	37
	38	A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
	39	C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) &&
	40
	41	# Reference $A only from reflog, and delete it
	42	git -C repo branch my_branch "$A" &&
	43	git -C repo branch -f my_branch my_commit &&
	44	delete_object repo "$A" &&
	45
	46	# State that we got $C, which refers to $A, from promisor
	47	printf "$C\n" \| pack_as_from_promisor &&
	48
	49	# Normally, it fails
	50	test_must_fail git -C repo fsck &&
	51
	52	# But with the extension, it succeeds
	53	git -C repo config core.repositoryformatversion 1 &&
	54	git -C repo config extensions.partialclone "arbitrary string" &&
	55	git -C repo fsck
	56	'
	57
	58	test_expect_success 'missing reflog object, but promised by a tag, passes fsck' '
	59	rm -rf repo &&
	60	test_create_repo repo &&
	61	test_commit -C repo my_commit &&
	62
	63	A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
	64	git -C repo tag -a -m d my_tag_name $A &&
	65	T=$(git -C repo rev-parse my_tag_name) &&
	66	git -C repo tag -d my_tag_name &&
	67
	68	# Reference $A only from reflog, and delete it
	69	git -C repo branch my_branch "$A" &&
	70	git -C repo branch -f my_branch my_commit &&
	71	delete_object repo "$A" &&
	72
	73	# State that we got $T, which refers to $A, from promisor
	74	printf "$T\n" \| pack_as_from_promisor &&
	75
	76	git -C repo config core.repositoryformatversion 1 &&
	77	git -C repo config extensions.partialclone "arbitrary string" &&
	78	git -C repo fsck
	79	'
	80
	81	test_expect_success 'missing reflog object alone fails fsck, even with extension set' '
	82	rm -rf repo &&
	83	test_create_repo repo &&
	84	test_commit -C repo my_commit &&
	85
	86	A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
	87	B=$(git -C repo commit-tree -m b HEAD^{tree}) &&
	88
	89	# Reference $A only from reflog, and delete it
	90	git -C repo branch my_branch "$A" &&
	91	git -C repo branch -f my_branch my_commit &&
	92	delete_object repo "$A" &&
	93
	94	git -C repo config core.repositoryformatversion 1 &&
	95	git -C repo config extensions.partialclone "arbitrary string" &&
	96	test_must_fail git -C repo fsck
	97	'
	98
43f25158 JT	99	test_expect_success 'missing ref object, but promised, passes fsck' '
	100	rm -rf repo &&
	101	test_create_repo repo &&
	102	test_commit -C repo my_commit &&
	103
	104	A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
	105
	106	# Reference $A only from ref
	107	git -C repo branch my_branch "$A" &&
	108	promise_and_delete "$A" &&
	109
	110	git -C repo config core.repositoryformatversion 1 &&
	111	git -C repo config extensions.partialclone "arbitrary string" &&
	112	git -C repo fsck
	113	'
	114
caba7fc3 JT	115	test_expect_success 'missing object, but promised, passes fsck' '
	116	rm -rf repo &&
	117	test_create_repo repo &&
	118	test_commit -C repo 1 &&
	119	test_commit -C repo 2 &&
	120	test_commit -C repo 3 &&
	121	git -C repo tag -a annotated_tag -m "annotated tag" &&
	122
	123	C=$(git -C repo rev-parse 1) &&
	124	T=$(git -C repo rev-parse 2^{tree}) &&
	125	B=$(git hash-object repo/3.t) &&
	126	AT=$(git -C repo rev-parse annotated_tag) &&
	127
	128	promise_and_delete "$C" &&
	129	promise_and_delete "$T" &&
	130	promise_and_delete "$B" &&
	131	promise_and_delete "$AT" &&
	132
	133	git -C repo config core.repositoryformatversion 1 &&
	134	git -C repo config extensions.partialclone "arbitrary string" &&
	135	git -C repo fsck
	136	'
	137
096c9b8b JT	138	test_expect_success 'missing CLI object, but promised, passes fsck' '
	139	rm -rf repo &&
	140	test_create_repo repo &&
	141	test_commit -C repo my_commit &&
	142
	143	A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
	144	promise_and_delete "$A" &&
	145
	146	git -C repo config core.repositoryformatversion 1 &&
	147	git -C repo config extensions.partialclone "arbitrary string" &&
	148	git -C repo fsck "$A"
	149	'
	150
8b4c0103 JT	151	test_expect_success 'fetching of missing objects' '
	152	rm -rf repo &&
	153	test_create_repo server &&
	154	test_commit -C server foo &&
	155	git -C server repack -a -d --write-bitmap-index &&
	156
	157	git clone "file://$(pwd)/server" repo &&
	158	HASH=$(git -C repo rev-parse foo) &&
	159	rm -rf repo/.git/objects/* &&
	160
	161	git -C repo config core.repositoryformatversion 1 &&
	162	git -C repo config extensions.partialclone "origin" &&
	163	git -C repo cat-file -p "$HASH" &&
	164
	165	# Ensure that the .promisor file is written, and check that its
	166	# associated packfile contains the object
	167	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	168	test_line_count = 1 promisorlist &&
	169	IDX=$(cat promisorlist \| sed "s/promisor$/idx/") &&
	170	git verify-pack --verbose "$IDX" \| grep "$HASH"
	171	'
	172
e6830201 JT	173	test_expect_success 'fetching of missing objects works with ref-in-want enabled' '
	174	# ref-in-want requires protocol version 2
	175	git -C server config protocol.version 2 &&
	176	git -C server config uploadpack.allowrefinwant 1 &&
	177	git -C repo config protocol.version 2 &&
	178
	179	rm -rf repo/.git/objects/* &&
	180	rm -f trace &&
	181	GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" &&
	182	grep "git< fetch=.*ref-in-want" trace
	183	'
	184
4c7f9567 JT	185	test_expect_success 'fetching of missing blobs works' '
	186	rm -rf server repo &&
	187	test_create_repo server &&
	188	test_commit -C server foo &&
	189	git -C server repack -a -d --write-bitmap-index &&
	190
	191	git clone "file://$(pwd)/server" repo &&
	192	git hash-object repo/foo.t >blobhash &&
	193	rm -rf repo/.git/objects/* &&
	194
	195	git -C server config uploadpack.allowanysha1inwant 1 &&
	196	git -C server config uploadpack.allowfilter 1 &&
	197	git -C repo config core.repositoryformatversion 1 &&
	198	git -C repo config extensions.partialclone "origin" &&
	199
	200	git -C repo cat-file -p $(cat blobhash)
	201	'
	202
	203	test_expect_success 'fetching of missing trees does not fetch blobs' '
	204	rm -rf server repo &&
	205	test_create_repo server &&
	206	test_commit -C server foo &&
	207	git -C server repack -a -d --write-bitmap-index &&
	208
	209	git clone "file://$(pwd)/server" repo &&
	210	git -C repo rev-parse foo^{tree} >treehash &&
	211	git hash-object repo/foo.t >blobhash &&
	212	rm -rf repo/.git/objects/* &&
	213
	214	git -C server config uploadpack.allowanysha1inwant 1 &&
	215	git -C server config uploadpack.allowfilter 1 &&
	216	git -C repo config core.repositoryformatversion 1 &&
	217	git -C repo config extensions.partialclone "origin" &&
	218	git -C repo cat-file -p $(cat treehash) &&
	219
	220	# Ensure that the tree, but not the blob, is fetched
	221	git -C repo rev-list --objects --missing=print $(cat treehash) >objects &&
	222	grep "^$(cat treehash)" objects &&
	223	grep "^[?]$(cat blobhash)" objects
	224	'
	225
df11e196 JT	226	test_expect_success 'rev-list stops traversal at missing and promised commit' '
	227	rm -rf repo &&
	228	test_create_repo repo &&
	229	test_commit -C repo foo &&
	230	test_commit -C repo bar &&
	231
	232	FOO=$(git -C repo rev-parse foo) &&
	233	promise_and_delete "$FOO" &&
	234
	235	git -C repo config core.repositoryformatversion 1 &&
	236	git -C repo config extensions.partialclone "arbitrary string" &&
859fdc0c	237	GIT_TEST_COMMIT_GRAPH=0 git -C repo rev-list --exclude-promisor-objects --objects bar >out &&
df11e196 JT	238	grep $(git -C repo rev-parse bar) out &&
	239	! grep $FOO out
	240	'
	241
7c0fe330 MD	242	test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
	243	rm -rf repo &&
	244	test_create_repo repo &&
	245	test_commit -C repo foo &&
	246	test_commit -C repo bar &&
	247	test_commit -C repo baz &&
	248
	249	promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
	250	promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
	251
	252	git -C repo config core.repositoryformatversion 1 &&
	253	git -C repo config extensions.partialclone "arbitrary string" &&
	254
	255	git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
	256	test_must_be_empty rev_list_err &&
	257	# 3 commits, 3 blobs, and 1 tree
	258	test_line_count = 7 objs &&
	259
	260	# Do the same for --exclude-promisor-objects, but with all trees gone.
	261	promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
	262	git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
	263	test_must_be_empty rev_list_err &&
	264	# 3 commits, no blobs or trees
	265	test_line_count = 3 objs
	266	'
	267
	268	test_expect_success 'missing non-root tree object and rev-list' '
	269	rm -rf repo &&
	270	test_create_repo repo &&
	271	mkdir repo/dir &&
	272	echo foo >repo/dir/foo &&
	273	git -C repo add dir/foo &&
	274	git -C repo commit -m "commit dir/foo" &&
	275
	276	promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
	277
	278	git -C repo config core.repositoryformatversion 1 &&
	279	git -C repo config extensions.partialclone "arbitrary string" &&
	280
	281	git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
	282	test_must_be_empty rev_list_err &&
	283	# 1 commit and 1 tree
	284	test_line_count = 2 objs
	285	'
	286
df11e196 JT	287	test_expect_success 'rev-list stops traversal at missing and promised tree' '
	288	rm -rf repo &&
	289	test_create_repo repo &&
	290	test_commit -C repo foo &&
	291	mkdir repo/a_dir &&
	292	echo something >repo/a_dir/something &&
	293	git -C repo add a_dir/something &&
	294	git -C repo commit -m bar &&
	295
	296	# foo^{tree} (tree referenced from commit)
	297	TREE=$(git -C repo rev-parse foo^{tree}) &&
	298
	299	# a tree referenced by HEAD^{tree} (tree referenced from tree)
	300	TREE2=$(git -C repo ls-tree HEAD^{tree} \| grep " tree " \| head -1 \| cut -b13-52) &&
	301
	302	promise_and_delete "$TREE" &&
	303	promise_and_delete "$TREE2" &&
	304
	305	git -C repo config core.repositoryformatversion 1 &&
	306	git -C repo config extensions.partialclone "arbitrary string" &&
	307	git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
	308	grep $(git -C repo rev-parse foo) out &&
	309	! grep $TREE out &&
	310	grep $(git -C repo rev-parse HEAD) out &&
	311	! grep $TREE2 out
	312	'
	313
	314	test_expect_success 'rev-list stops traversal at missing and promised blob' '
	315	rm -rf repo &&
	316	test_create_repo repo &&
	317	echo something >repo/something &&
	318	git -C repo add something &&
	319	git -C repo commit -m foo &&
	320
	321	BLOB=$(git -C repo hash-object -w something) &&
	322	promise_and_delete "$BLOB" &&
	323
	324	git -C repo config core.repositoryformatversion 1 &&
	325	git -C repo config extensions.partialclone "arbitrary string" &&
	326	git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
	327	grep $(git -C repo rev-parse HEAD) out &&
	328	! grep $BLOB out
	329	'
	330
	331	test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
	332	rm -rf repo &&
	333	test_create_repo repo &&
	334	test_commit -C repo foo &&
	335	test_commit -C repo bar &&
	336	test_commit -C repo baz &&
	337
	338	COMMIT=$(git -C repo rev-parse foo) &&
	339	TREE=$(git -C repo rev-parse bar^{tree}) &&
	340	BLOB=$(git hash-object repo/baz.t) &&
	341	printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB \| pack_as_from_promisor &&
	342
	343	git -C repo config core.repositoryformatversion 1 &&
	344	git -C repo config extensions.partialclone "arbitrary string" &&
	345	git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
	346	! grep $COMMIT out &&
	347	! grep $TREE out &&
	348	! grep $BLOB out &&
	349	grep $(git -C repo rev-parse bar) out # sanity check that some walking was done
	350	'
351
4cf67869	352	test_expect_success 'rev-list dies for missing objects on cmd line' '
df11e196 JT	353	rm -rf repo &&
	354	test_create_repo repo &&
	355	test_commit -C repo foo &&
	356	test_commit -C repo bar &&
	357	test_commit -C repo baz &&
	358
	359	COMMIT=$(git -C repo rev-parse foo) &&
	360	TREE=$(git -C repo rev-parse bar^{tree}) &&
	361	BLOB=$(git hash-object repo/baz.t) &&
	362
	363	promise_and_delete $COMMIT &&
	364	promise_and_delete $TREE &&
	365	promise_and_delete $BLOB &&
	366
	367	git -C repo config core.repositoryformatversion 1 &&
	368	git -C repo config extensions.partialclone "arbitrary string" &&
4cf67869 MD	369
	370	for OBJ in "$COMMIT" "$TREE" "$BLOB"; do
	371	test_must_fail git -C repo rev-list --objects \
	372	--exclude-promisor-objects "$OBJ" &&
	373	test_must_fail git -C repo rev-list --objects-edge-aggressive \
	374	--exclude-promisor-objects "$OBJ" &&
	375
	376	# Do not die or crash when --ignore-missing is passed.
	377	git -C repo rev-list --ignore-missing --objects \
	378	--exclude-promisor-objects "$OBJ" &&
	379	git -C repo rev-list --ignore-missing --objects-edge-aggressive \
	380	--exclude-promisor-objects "$OBJ"
	381	done
df11e196 JT	382	'
df11e196 JT	383
5d19e813	384	test_expect_success 'gc repacks promisor objects separately from non-promisor objects' '
0c16cd49 JT	385	rm -rf repo &&
0c16cd49 JT	386	test_create_repo repo &&
5d19e813 JT	387	test_commit -C repo one &&
5d19e813 JT	388	test_commit -C repo two &&
0c16cd49	389
5d19e813 JT	390	TREE_ONE=$(git -C repo rev-parse one^{tree}) &&
	391	printf "$TREE_ONE\n" \| pack_as_from_promisor &&
	392	TREE_TWO=$(git -C repo rev-parse two^{tree}) &&
	393	printf "$TREE_TWO\n" \| pack_as_from_promisor &&
0c16cd49 JT	394
	395	git -C repo config core.repositoryformatversion 1 &&
	396	git -C repo config extensions.partialclone "arbitrary string" &&
	397	git -C repo gc &&
	398
5d19e813 JT	399	# Ensure that exactly one promisor packfile exists, and that it
	400	# contains the trees but not the commits
	401	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	402	test_line_count = 1 promisorlist &&
	403	PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) &&
	404	git verify-pack $PROMISOR_PACKFILE -v >out &&
	405	grep "$TREE_ONE" out &&
	406	grep "$TREE_TWO" out &&
	407	! grep "$(git -C repo rev-parse one)" out &&
	408	! grep "$(git -C repo rev-parse two)" out &&
	409
	410	# Remove the promisor packfile and associated files
	411	rm $(sed "s/.promisor//" <promisorlist).* &&
	412
	413	# Ensure that the single other pack contains the commits, but not the
	414	# trees
0c16cd49 JT	415	ls repo/.git/objects/pack/pack-*.pack >packlist &&
	416	test_line_count = 1 packlist &&
	417	git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
5d19e813 JT	418	grep "$(git -C repo rev-parse one)" out &&
	419	grep "$(git -C repo rev-parse two)" out &&
	420	! grep "$TREE_ONE" out &&
	421	! grep "$TREE_TWO" out
	422	'
	423
	424	test_expect_success 'gc does not repack promisor objects if there are none' '
	425	rm -rf repo &&
	426	test_create_repo repo &&
	427	test_commit -C repo one &&
	428
	429	git -C repo config core.repositoryformatversion 1 &&
	430	git -C repo config extensions.partialclone "arbitrary string" &&
	431	git -C repo gc &&
	432
	433	# Ensure that only one pack exists
	434	ls repo/.git/objects/pack/pack-*.pack >packlist &&
	435	test_line_count = 1 packlist
	436	'
	437
	438	repack_and_check () {
	439	rm -rf repo2 &&
	440	cp -r repo repo2 &&
	441	git -C repo2 repack $1 -d &&
	442	git -C repo2 fsck &&
	443
	444	git -C repo2 cat-file -e $2 &&
	445	git -C repo2 cat-file -e $3
	446	}
	447
	448	test_expect_success 'repack -d does not irreversibly delete promisor objects' '
	449	rm -rf repo &&
	450	test_create_repo repo &&
	451	git -C repo config core.repositoryformatversion 1 &&
	452	git -C repo config extensions.partialclone "arbitrary string" &&
	453
	454	git -C repo commit --allow-empty -m one &&
	455	git -C repo commit --allow-empty -m two &&
	456	git -C repo commit --allow-empty -m three &&
	457	git -C repo commit --allow-empty -m four &&
	458	ONE=$(git -C repo rev-parse HEAD^^^) &&
	459	TWO=$(git -C repo rev-parse HEAD^^) &&
	460	THREE=$(git -C repo rev-parse HEAD^) &&
	461
	462	printf "$TWO\n" \| pack_as_from_promisor &&
	463	printf "$THREE\n" \| pack_as_from_promisor &&
	464	delete_object repo "$ONE" &&
	465
	466	repack_and_check -a "$TWO" "$THREE" &&
	467	repack_and_check -A "$TWO" "$THREE" &&
	468	repack_and_check -l "$TWO" "$THREE"
0c16cd49 JT	469	'
	470
	471	test_expect_success 'gc stops traversal when a missing but promised object is reached' '
	472	rm -rf repo &&
	473	test_create_repo repo &&
	474	test_commit -C repo my_commit &&
	475
	476	TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
	477	HASH=$(promise_and_delete $TREE_HASH) &&
	478
	479	git -C repo config core.repositoryformatversion 1 &&
	480	git -C repo config extensions.partialclone "arbitrary string" &&
	481	git -C repo gc &&
	482
	483	# Ensure that the promisor packfile still exists, and remove it
	484	test -e repo/.git/objects/pack/pack-$HASH.pack &&
	485	rm repo/.git/objects/pack/pack-$HASH.* &&
	486
	487	# Ensure that the single other pack contains the commit, but not the tree
	488	ls repo/.git/objects/pack/pack-*.pack >packlist &&
	489	test_line_count = 1 packlist &&
	490	git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
	491	grep "$(git -C repo rev-parse HEAD)" out &&
	492	! grep "$TREE_HASH" out
	493	'
	494
8b4c0103 JT	495	. "$TEST_DIRECTORY"/lib-httpd.sh
	496	start_httpd
	497
	498	test_expect_success 'fetching of missing objects from an HTTP server' '
	499	rm -rf repo &&
	500	SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
	501	test_create_repo "$SERVER" &&
	502	test_commit -C "$SERVER" foo &&
	503	git -C "$SERVER" repack -a -d --write-bitmap-index &&
	504
	505	git clone $HTTPD_URL/smart/server repo &&
	506	HASH=$(git -C repo rev-parse foo) &&
	507	rm -rf repo/.git/objects/* &&
	508
	509	git -C repo config core.repositoryformatversion 1 &&
	510	git -C repo config extensions.partialclone "origin" &&
	511	git -C repo cat-file -p "$HASH" &&
	512
	513	# Ensure that the .promisor file is written, and check that its
	514	# associated packfile contains the object
	515	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	516	test_line_count = 1 promisorlist &&
	517	IDX=$(cat promisorlist \| sed "s/promisor$/idx/") &&
	518	git verify-pack --verbose "$IDX" \| grep "$HASH"
	519	'
	520
	521	stop_httpd
	522
498f1f61	523	test_done