[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 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 '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=$(sed "s/promisor$/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
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 &&
fa3d1b63	29	git -C client config --unset remote.origin.partialclonefilter &&
cac1137d JT	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 "$HASH" &&
	164
	165	# Ensure that the .promisor file is written, and check that its
	166	# associated packfile contains the object
	167	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	168	test_line_count = 1 promisorlist &&
c59c7c87 CC	169	IDX=$(sed "s/promisor$/idx/" promisorlist) &&
	170	git verify-pack --verbose "$IDX" >out &&
	171	grep "$HASH" out
8b4c0103 JT	172	'
8b4c0103 JT	173
e6830201 JT	174	test_expect_success 'fetching of missing objects works with ref-in-want enabled' '
	175	# ref-in-want requires protocol version 2
	176	git -C server config protocol.version 2 &&
	177	git -C server config uploadpack.allowrefinwant 1 &&
	178	git -C repo config protocol.version 2 &&
	179
	180	rm -rf repo/.git/objects/* &&
	181	rm -f trace &&
	182	GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" &&
	183	grep "git< fetch=.*ref-in-want" trace
	184	'
	185
9a4c5078 CC	186	test_expect_success 'fetching of missing objects from another promisor remote' '
	187	git clone "file://$(pwd)/server" server2 &&
	188	test_commit -C server2 bar &&
	189	git -C server2 repack -a -d --write-bitmap-index &&
	190	HASH2=$(git -C server2 rev-parse bar) &&
	191
	192	git -C repo remote add server2 "file://$(pwd)/server2" &&
	193	git -C repo config remote.server2.promisor true &&
	194	git -C repo cat-file -p "$HASH2" &&
	195
	196	git -C repo fetch server2 &&
	197	rm -rf repo/.git/objects/* &&
	198	git -C repo cat-file -p "$HASH2" &&
	199
	200	# Ensure that the .promisor file is written, and check that its
	201	# associated packfile contains the object
	202	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	203	test_line_count = 1 promisorlist &&
	204	IDX=$(sed "s/promisor$/idx/" promisorlist) &&
	205	git verify-pack --verbose "$IDX" >out &&
	206	grep "$HASH2" out
	207	'
	208
	209	test_expect_success 'fetching of missing objects configures a promisor remote' '
	210	git clone "file://$(pwd)/server" server3 &&
	211	test_commit -C server3 baz &&
	212	git -C server3 repack -a -d --write-bitmap-index &&
	213	HASH3=$(git -C server3 rev-parse baz) &&
	214	git -C server3 config uploadpack.allowfilter 1 &&
	215
	216	rm repo/.git/objects/pack/pack-*.promisor &&
	217
	218	git -C repo remote add server3 "file://$(pwd)/server3" &&
	219	git -C repo fetch --filter="blob:none" server3 $HASH3 &&
	220
	221	test_cmp_config -C repo true remote.server3.promisor &&
	222
	223	# Ensure that the .promisor file is written, and check that its
	224	# associated packfile contains the object
	225	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	226	test_line_count = 1 promisorlist &&
	227	IDX=$(sed "s/promisor$/idx/" promisorlist) &&
	228	git verify-pack --verbose "$IDX" >out &&
	229	grep "$HASH3" out
	230	'
	231
4c7f9567	232	test_expect_success 'fetching of missing blobs works' '
9a4c5078 CC	233	rm -rf server server2 repo &&
9a4c5078 CC	234	rm -rf server server3 repo &&
4c7f9567 JT	235	test_create_repo server &&
	236	test_commit -C server foo &&
	237	git -C server repack -a -d --write-bitmap-index &&
	238
	239	git clone "file://$(pwd)/server" repo &&
	240	git hash-object repo/foo.t >blobhash &&
	241	rm -rf repo/.git/objects/* &&
	242
	243	git -C server config uploadpack.allowanysha1inwant 1 &&
	244	git -C server config uploadpack.allowfilter 1 &&
	245	git -C repo config core.repositoryformatversion 1 &&
	246	git -C repo config extensions.partialclone "origin" &&
	247
	248	git -C repo cat-file -p $(cat blobhash)
	249	'
	250
	251	test_expect_success 'fetching of missing trees does not fetch blobs' '
	252	rm -rf server repo &&
	253	test_create_repo server &&
	254	test_commit -C server foo &&
	255	git -C server repack -a -d --write-bitmap-index &&
	256
	257	git clone "file://$(pwd)/server" repo &&
	258	git -C repo rev-parse foo^{tree} >treehash &&
	259	git hash-object repo/foo.t >blobhash &&
	260	rm -rf repo/.git/objects/* &&
	261
	262	git -C server config uploadpack.allowanysha1inwant 1 &&
	263	git -C server config uploadpack.allowfilter 1 &&
	264	git -C repo config core.repositoryformatversion 1 &&
	265	git -C repo config extensions.partialclone "origin" &&
	266	git -C repo cat-file -p $(cat treehash) &&
	267
	268	# Ensure that the tree, but not the blob, is fetched
	269	git -C repo rev-list --objects --missing=print $(cat treehash) >objects &&
	270	grep "^$(cat treehash)" objects &&
	271	grep "^[?]$(cat blobhash)" objects
	272	'
	273
df11e196 JT	274	test_expect_success 'rev-list stops traversal at missing and promised commit' '
	275	rm -rf repo &&
	276	test_create_repo repo &&
	277	test_commit -C repo foo &&
	278	test_commit -C repo bar &&
	279
	280	FOO=$(git -C repo rev-parse foo) &&
	281	promise_and_delete "$FOO" &&
	282
	283	git -C repo config core.repositoryformatversion 1 &&
	284	git -C repo config extensions.partialclone "arbitrary string" &&
31b1de6a	285	GIT_TEST_COMMIT_GRAPH=0 git -C repo -c core.commitGraph=false rev-list --exclude-promisor-objects --objects bar >out &&
df11e196 JT	286	grep $(git -C repo rev-parse bar) out &&
	287	! grep $FOO out
	288	'
	289
7c0fe330 MD	290	test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
	291	rm -rf repo &&
	292	test_create_repo repo &&
	293	test_commit -C repo foo &&
	294	test_commit -C repo bar &&
	295	test_commit -C repo baz &&
	296
	297	promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
	298	promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
	299
	300	git -C repo config core.repositoryformatversion 1 &&
	301	git -C repo config extensions.partialclone "arbitrary string" &&
	302
	303	git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
	304	test_must_be_empty rev_list_err &&
	305	# 3 commits, 3 blobs, and 1 tree
	306	test_line_count = 7 objs &&
	307
	308	# Do the same for --exclude-promisor-objects, but with all trees gone.
	309	promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
	310	git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
	311	test_must_be_empty rev_list_err &&
	312	# 3 commits, no blobs or trees
	313	test_line_count = 3 objs
	314	'
	315
	316	test_expect_success 'missing non-root tree object and rev-list' '
	317	rm -rf repo &&
	318	test_create_repo repo &&
	319	mkdir repo/dir &&
	320	echo foo >repo/dir/foo &&
	321	git -C repo add dir/foo &&
	322	git -C repo commit -m "commit dir/foo" &&
	323
	324	promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
	325
	326	git -C repo config core.repositoryformatversion 1 &&
	327	git -C repo config extensions.partialclone "arbitrary string" &&
	328
	329	git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
	330	test_must_be_empty rev_list_err &&
	331	# 1 commit and 1 tree
	332	test_line_count = 2 objs
	333	'
	334
df11e196 JT	335	test_expect_success 'rev-list stops traversal at missing and promised tree' '
	336	rm -rf repo &&
	337	test_create_repo repo &&
	338	test_commit -C repo foo &&
	339	mkdir repo/a_dir &&
	340	echo something >repo/a_dir/something &&
	341	git -C repo add a_dir/something &&
	342	git -C repo commit -m bar &&
	343
	344	# foo^{tree} (tree referenced from commit)
	345	TREE=$(git -C repo rev-parse foo^{tree}) &&
	346
	347	# a tree referenced by HEAD^{tree} (tree referenced from tree)
	348	TREE2=$(git -C repo ls-tree HEAD^{tree} \| grep " tree " \| head -1 \| cut -b13-52) &&
	349
	350	promise_and_delete "$TREE" &&
	351	promise_and_delete "$TREE2" &&
	352
	353	git -C repo config core.repositoryformatversion 1 &&
	354	git -C repo config extensions.partialclone "arbitrary string" &&
	355	git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
	356	grep $(git -C repo rev-parse foo) out &&
	357	! grep $TREE out &&
	358	grep $(git -C repo rev-parse HEAD) out &&
	359	! grep $TREE2 out
	360	'
	361
	362	test_expect_success 'rev-list stops traversal at missing and promised blob' '
	363	rm -rf repo &&
	364	test_create_repo repo &&
	365	echo something >repo/something &&
	366	git -C repo add something &&
	367	git -C repo commit -m foo &&
	368
	369	BLOB=$(git -C repo hash-object -w something) &&
	370	promise_and_delete "$BLOB" &&
	371
	372	git -C repo config core.repositoryformatversion 1 &&
	373	git -C repo config extensions.partialclone "arbitrary string" &&
	374	git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
	375	grep $(git -C repo rev-parse HEAD) out &&
	376	! grep $BLOB out
	377	'
	378
	379	test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
	380	rm -rf repo &&
	381	test_create_repo repo &&
	382	test_commit -C repo foo &&
	383	test_commit -C repo bar &&
	384	test_commit -C repo baz &&
	385
	386	COMMIT=$(git -C repo rev-parse foo) &&
	387	TREE=$(git -C repo rev-parse bar^{tree}) &&
	388	BLOB=$(git hash-object repo/baz.t) &&
	389	printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB \| pack_as_from_promisor &&
	390
	391	git -C repo config core.repositoryformatversion 1 &&
	392	git -C repo config extensions.partialclone "arbitrary string" &&
	393	git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
	394	! grep $COMMIT out &&
	395	! grep $TREE out &&
	396	! grep $BLOB out &&
	397	grep $(git -C repo rev-parse bar) out # sanity check that some walking was done
	398	'
399
4cf67869	400	test_expect_success 'rev-list dies for missing objects on cmd line' '
df11e196 JT	401	rm -rf repo &&
	402	test_create_repo repo &&
	403	test_commit -C repo foo &&
	404	test_commit -C repo bar &&
	405	test_commit -C repo baz &&
	406
	407	COMMIT=$(git -C repo rev-parse foo) &&
	408	TREE=$(git -C repo rev-parse bar^{tree}) &&
	409	BLOB=$(git hash-object repo/baz.t) &&
	410
	411	promise_and_delete $COMMIT &&
	412	promise_and_delete $TREE &&
	413	promise_and_delete $BLOB &&
	414
	415	git -C repo config core.repositoryformatversion 1 &&
	416	git -C repo config extensions.partialclone "arbitrary string" &&
4cf67869 MD	417
	418	for OBJ in "$COMMIT" "$TREE" "$BLOB"; do
	419	test_must_fail git -C repo rev-list --objects \
	420	--exclude-promisor-objects "$OBJ" &&
	421	test_must_fail git -C repo rev-list --objects-edge-aggressive \
	422	--exclude-promisor-objects "$OBJ" &&
	423
	424	# Do not die or crash when --ignore-missing is passed.
	425	git -C repo rev-list --ignore-missing --objects \
	426	--exclude-promisor-objects "$OBJ" &&
	427	git -C repo rev-list --ignore-missing --objects-edge-aggressive \
	428	--exclude-promisor-objects "$OBJ"
	429	done
df11e196 JT	430	'
df11e196 JT	431
5d19e813	432	test_expect_success 'gc repacks promisor objects separately from non-promisor objects' '
0c16cd49 JT	433	rm -rf repo &&
0c16cd49 JT	434	test_create_repo repo &&
5d19e813 JT	435	test_commit -C repo one &&
5d19e813 JT	436	test_commit -C repo two &&
0c16cd49	437
5d19e813 JT	438	TREE_ONE=$(git -C repo rev-parse one^{tree}) &&
	439	printf "$TREE_ONE\n" \| pack_as_from_promisor &&
	440	TREE_TWO=$(git -C repo rev-parse two^{tree}) &&
	441	printf "$TREE_TWO\n" \| pack_as_from_promisor &&
0c16cd49 JT	442
	443	git -C repo config core.repositoryformatversion 1 &&
	444	git -C repo config extensions.partialclone "arbitrary string" &&
	445	git -C repo gc &&
	446
5d19e813 JT	447	# Ensure that exactly one promisor packfile exists, and that it
	448	# contains the trees but not the commits
	449	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	450	test_line_count = 1 promisorlist &&
	451	PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) &&
	452	git verify-pack $PROMISOR_PACKFILE -v >out &&
	453	grep "$TREE_ONE" out &&
	454	grep "$TREE_TWO" out &&
	455	! grep "$(git -C repo rev-parse one)" out &&
	456	! grep "$(git -C repo rev-parse two)" out &&
	457
	458	# Remove the promisor packfile and associated files
	459	rm $(sed "s/.promisor//" <promisorlist).* &&
	460
	461	# Ensure that the single other pack contains the commits, but not the
	462	# trees
0c16cd49 JT	463	ls repo/.git/objects/pack/pack-*.pack >packlist &&
	464	test_line_count = 1 packlist &&
	465	git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
5d19e813 JT	466	grep "$(git -C repo rev-parse one)" out &&
	467	grep "$(git -C repo rev-parse two)" out &&
	468	! grep "$TREE_ONE" out &&
	469	! grep "$TREE_TWO" out
	470	'
	471
	472	test_expect_success 'gc does not repack promisor objects if there are none' '
	473	rm -rf repo &&
	474	test_create_repo repo &&
	475	test_commit -C repo one &&
	476
	477	git -C repo config core.repositoryformatversion 1 &&
	478	git -C repo config extensions.partialclone "arbitrary string" &&
	479	git -C repo gc &&
	480
	481	# Ensure that only one pack exists
	482	ls repo/.git/objects/pack/pack-*.pack >packlist &&
	483	test_line_count = 1 packlist
	484	'
	485
	486	repack_and_check () {
	487	rm -rf repo2 &&
	488	cp -r repo repo2 &&
	489	git -C repo2 repack $1 -d &&
	490	git -C repo2 fsck &&
	491
	492	git -C repo2 cat-file -e $2 &&
	493	git -C repo2 cat-file -e $3
	494	}
	495
	496	test_expect_success 'repack -d does not irreversibly delete promisor objects' '
	497	rm -rf repo &&
	498	test_create_repo repo &&
	499	git -C repo config core.repositoryformatversion 1 &&
	500	git -C repo config extensions.partialclone "arbitrary string" &&
	501
	502	git -C repo commit --allow-empty -m one &&
	503	git -C repo commit --allow-empty -m two &&
	504	git -C repo commit --allow-empty -m three &&
	505	git -C repo commit --allow-empty -m four &&
	506	ONE=$(git -C repo rev-parse HEAD^^^) &&
	507	TWO=$(git -C repo rev-parse HEAD^^) &&
	508	THREE=$(git -C repo rev-parse HEAD^) &&
	509
	510	printf "$TWO\n" \| pack_as_from_promisor &&
	511	printf "$THREE\n" \| pack_as_from_promisor &&
	512	delete_object repo "$ONE" &&
	513
	514	repack_and_check -a "$TWO" "$THREE" &&
	515	repack_and_check -A "$TWO" "$THREE" &&
	516	repack_and_check -l "$TWO" "$THREE"
0c16cd49 JT	517	'
	518
	519	test_expect_success 'gc stops traversal when a missing but promised object is reached' '
	520	rm -rf repo &&
	521	test_create_repo repo &&
	522	test_commit -C repo my_commit &&
	523
	524	TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
	525	HASH=$(promise_and_delete $TREE_HASH) &&
	526
	527	git -C repo config core.repositoryformatversion 1 &&
	528	git -C repo config extensions.partialclone "arbitrary string" &&
	529	git -C repo gc &&
	530
	531	# Ensure that the promisor packfile still exists, and remove it
	532	test -e repo/.git/objects/pack/pack-$HASH.pack &&
	533	rm repo/.git/objects/pack/pack-$HASH.* &&
	534
	535	# Ensure that the single other pack contains the commit, but not the tree
	536	ls repo/.git/objects/pack/pack-*.pack >packlist &&
	537	test_line_count = 1 packlist &&
	538	git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
	539	grep "$(git -C repo rev-parse HEAD)" out &&
	540	! grep "$TREE_HASH" out
	541	'
	542
8b4c0103 JT	543	. "$TEST_DIRECTORY"/lib-httpd.sh
	544	start_httpd
	545
	546	test_expect_success 'fetching of missing objects from an HTTP server' '
	547	rm -rf repo &&
	548	SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
	549	test_create_repo "$SERVER" &&
	550	test_commit -C "$SERVER" foo &&
	551	git -C "$SERVER" repack -a -d --write-bitmap-index &&
	552
	553	git clone $HTTPD_URL/smart/server repo &&
	554	HASH=$(git -C repo rev-parse foo) &&
	555	rm -rf repo/.git/objects/* &&
	556
	557	git -C repo config core.repositoryformatversion 1 &&
	558	git -C repo config extensions.partialclone "origin" &&
	559	git -C repo cat-file -p "$HASH" &&
	560
	561	# Ensure that the .promisor file is written, and check that its
	562	# associated packfile contains the object
	563	ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
	564	test_line_count = 1 promisorlist &&
c59c7c87 CC	565	IDX=$(sed "s/promisor$/idx/" promisorlist) &&
	566	git verify-pack --verbose "$IDX" >out &&
	567	grep "$HASH" out
8b4c0103 JT	568	'
8b4c0103 JT	569
decfe05b SG	570	# DO NOT add non-httpd-specific tests here, because the last part of this
	571	# test script is only executed when httpd is available and enabled.
	572
498f1f61	573	test_done