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Merge branch 'jt/upload-pack-deepen-relative-proto-v2'
"git fetch --deepen=<more>" has been corrected to work over v2 protocol. * jt/upload-pack-deepen-relative-proto-v2: upload-pack: teach deepen-relative in protocol v2 fetch-pack: do not take shallow lock unnecessarily
This commit is contained in:
Junio C Hamano
commit
a6e3839976
13
fetch-pack.c
13
fetch-pack.c
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@ -1007,6 +1007,8 @@ static void add_shallow_requests(struct strbuf *req_buf,
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packet_buf_write(req_buf, "deepen-not %s", s->string);
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}
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}
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if (args->deepen_relative)
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packet_buf_write(req_buf, "deepen-relative\n");
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}
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static void add_wants(int no_dependents, const struct ref *wants, struct strbuf *req_buf)
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@ -1232,6 +1234,8 @@ static int process_acks(struct fetch_negotiator *negotiator,
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static void receive_shallow_info(struct fetch_pack_args *args,
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struct packet_reader *reader)
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{
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int line_received = 0;
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process_section_header(reader, "shallow-info", 0);
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while (packet_reader_read(reader) == PACKET_READ_NORMAL) {
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const char *arg;
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@ -1241,6 +1245,7 @@ static void receive_shallow_info(struct fetch_pack_args *args,
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if (get_oid_hex(arg, &oid))
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die(_("invalid shallow line: %s"), reader->line);
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register_shallow(the_repository, &oid);
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line_received = 1;
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continue;
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}
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if (skip_prefix(reader->line, "unshallow ", &arg)) {
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@ -1253,6 +1258,7 @@ static void receive_shallow_info(struct fetch_pack_args *args,
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die(_("error in object: %s"), reader->line);
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if (unregister_shallow(&oid))
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die(_("no shallow found: %s"), reader->line);
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line_received = 1;
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continue;
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}
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die(_("expected shallow/unshallow, got %s"), reader->line);
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@ -1262,8 +1268,11 @@ static void receive_shallow_info(struct fetch_pack_args *args,
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reader->status != PACKET_READ_DELIM)
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die(_("error processing shallow info: %d"), reader->status);
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setup_alternate_shallow(&shallow_lock, &alternate_shallow_file, NULL);
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args->deepen = 1;
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if (line_received) {
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setup_alternate_shallow(&shallow_lock, &alternate_shallow_file,
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NULL);
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args->deepen = 1;
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}
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}
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static void receive_wanted_refs(struct packet_reader *reader,
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@ -43,6 +43,13 @@ int register_shallow(struct repository *r, const struct object_id *oid)
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int is_repository_shallow(struct repository *r)
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{
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/*
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* NEEDSWORK: This function updates
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* r->parsed_objects->{is_shallow,shallow_stat} as a side effect but
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* there is no corresponding function to clear them when the shallow
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* file is updated.
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*/
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FILE *fp;
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char buf[1024];
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const char *path = r->parsed_objects->alternate_shallow_file;
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@ -471,6 +471,53 @@ test_expect_success 'upload-pack respects client shallows' '
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grep "fetch< version 2" trace
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'
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test_expect_success 'ensure that multiple fetches in same process from a shallow repo works' '
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rm -rf server client trace &&
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test_create_repo server &&
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test_commit -C server one &&
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test_commit -C server two &&
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test_commit -C server three &&
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git clone --shallow-exclude two "file://$(pwd)/server" client &&
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git -C server tag -a -m "an annotated tag" twotag two &&
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# Triggers tag following (thus, 2 fetches in one process)
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GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
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fetch --shallow-exclude one origin &&
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# Ensure that protocol v2 is used
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grep "fetch< version 2" trace
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'
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test_expect_success 'deepen-relative' '
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rm -rf server client trace &&
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test_create_repo server &&
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test_commit -C server one &&
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test_commit -C server two &&
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test_commit -C server three &&
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git clone --depth 1 "file://$(pwd)/server" client &&
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test_commit -C server four &&
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# Sanity check that only "three" is downloaded
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git -C client log --pretty=tformat:%s master >actual &&
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echo three >expected &&
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test_cmp expected actual &&
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GIT_TRACE_PACKET="$(pwd)/trace" git -C client -c protocol.version=2 \
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fetch --deepen=1 origin &&
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# Ensure that protocol v2 is used
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grep "fetch< version 2" trace &&
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git -C client log --pretty=tformat:%s origin/master >actual &&
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cat >expected <<-\EOF &&
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four
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three
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two
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EOF
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test_cmp expected actual
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'
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# Test protocol v2 with 'http://' transport
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#
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. "$TEST_DIRECTORY"/lib-httpd.sh
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@ -43,7 +43,6 @@
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static timestamp_t oldest_have;
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static int deepen_relative;
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static int multi_ack;
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static int no_done;
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static int use_thin_pack, use_ofs_delta, use_include_tag;
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@ -662,6 +661,9 @@ static void send_unshallow(const struct object_array *shallows,
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}
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}
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static int check_ref(const char *refname_full, const struct object_id *oid,
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int flag, void *cb_data);
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static void deepen(int depth, int deepen_relative,
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struct object_array *shallows, struct object_array *want_obj)
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{
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@ -676,6 +678,13 @@ static void deepen(int depth, int deepen_relative,
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struct object_array reachable_shallows = OBJECT_ARRAY_INIT;
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struct commit_list *result;
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/*
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* Checking for reachable shallows requires that our refs be
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* marked with OUR_REF.
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*/
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head_ref_namespaced(check_ref, NULL);
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for_each_namespaced_ref(check_ref, NULL);
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get_reachable_list(shallows, &reachable_shallows);
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result = get_shallow_commits(&reachable_shallows,
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depth + 1,
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@ -712,6 +721,7 @@ static void deepen_by_rev_list(int ac, const char **av,
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static int send_shallow_list(int depth, int deepen_rev_list,
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timestamp_t deepen_since,
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struct string_list *deepen_not,
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int deepen_relative,
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struct object_array *shallows,
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struct object_array *want_obj)
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{
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@ -834,6 +844,7 @@ static void receive_needs(struct object_array *want_obj)
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int has_non_tip = 0;
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timestamp_t deepen_since = 0;
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int deepen_rev_list = 0;
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int deepen_relative = 0;
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shallow_nr = 0;
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for (;;) {
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@ -925,7 +936,8 @@ static void receive_needs(struct object_array *want_obj)
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return;
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if (send_shallow_list(depth, deepen_rev_list, deepen_since,
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&deepen_not, &shallows, want_obj))
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&deepen_not, deepen_relative, &shallows,
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want_obj))
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packet_flush(1);
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object_array_clear(&shallows);
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}
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@ -1398,6 +1410,7 @@ static void send_shallow_info(struct upload_pack_data *data,
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if (!send_shallow_list(data->depth, data->deepen_rev_list,
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data->deepen_since, &data->deepen_not,
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data->deepen_relative,
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&data->shallows, want_obj) &&
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is_repository_shallow(the_repository))
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deepen(INFINITE_DEPTH, data->deepen_relative, &data->shallows,
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