diff options
| -rw-r--r-- | builtin/receive-pack.c | 2 | ||||
| -rw-r--r-- | connect.c | 30 | ||||
| -rw-r--r-- | connect.h | 4 | ||||
| -rw-r--r-- | fetch-pack.c | 4 | ||||
| -rw-r--r-- | send-pack.c | 2 | ||||
| -rwxr-xr-x | t/t5512-ls-remote.sh | 156 | ||||
| -rw-r--r-- | transport.c | 2 | ||||
| -rw-r--r-- | upload-pack.c | 2 |
8 files changed, 112 insertions, 90 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 0dedcd7204..d22180435c 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -2096,7 +2096,7 @@ static struct command *read_head_info(struct packet_reader *reader, const char *feature_list = reader->line + linelen + 1; const char *hash = NULL; const char *client_sid; - int len = 0; + size_t len = 0; if (parse_feature_request(feature_list, "report-status")) report_status = 1; if (parse_feature_request(feature_list, "report-status-v2")) @@ -22,7 +22,7 @@ static char *server_capabilities_v1; static struct strvec server_capabilities_v2 = STRVEC_INIT; -static const char *next_server_feature_value(const char *feature, int *len, int *offset); +static const char *next_server_feature_value(const char *feature, size_t *len, size_t *offset); static int check_ref(const char *name, unsigned int flags) { @@ -205,10 +205,10 @@ reject: static void annotate_refs_with_symref_info(struct ref *ref) { struct string_list symref = STRING_LIST_INIT_DUP; - int offset = 0; + size_t offset = 0; while (1) { - int len; + size_t len; const char *val; val = next_server_feature_value("symref", &len, &offset); @@ -231,7 +231,7 @@ static void annotate_refs_with_symref_info(struct ref *ref) static void process_capabilities(struct packet_reader *reader, int *linelen) { const char *feat_val; - int feat_len; + size_t feat_len; const char *line = reader->line; int nul_location = strlen(line); if (nul_location == *linelen) @@ -263,7 +263,8 @@ static int process_dummy_ref(const struct packet_reader *reader) return 0; name++; - return oideq(null_oid(), &oid) && !strcmp(name, "capabilities^{}"); + return oideq(reader->hash_algo->null_oid, &oid) && + !strcmp(name, "capabilities^{}"); } static void check_no_capabilities(const char *line, int len) @@ -595,9 +596,10 @@ struct ref **get_remote_refs(int fd_out, struct packet_reader *reader, return list; } -const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp, int *offset) +const char *parse_feature_value(const char *feature_list, const char *feature, size_t *lenp, size_t *offset) { - int len; + const char *orig_start = feature_list; + size_t len; if (!feature_list) return NULL; @@ -616,19 +618,19 @@ const char *parse_feature_value(const char *feature_list, const char *feature, i if (lenp) *lenp = 0; if (offset) - *offset = found + len - feature_list; + *offset = found + len - orig_start; return value; } /* feature with a value (e.g., "agent=git/1.2.3") */ else if (*value == '=') { - int end; + size_t end; value++; end = strcspn(value, " \t\n"); if (lenp) *lenp = end; if (offset) - *offset = value + end - feature_list; + *offset = value + end - orig_start; return value; } /* @@ -643,8 +645,8 @@ const char *parse_feature_value(const char *feature_list, const char *feature, i int server_supports_hash(const char *desired, int *feature_supported) { - int offset = 0; - int len; + size_t offset = 0; + size_t len; const char *hash; hash = next_server_feature_value("object-format", &len, &offset); @@ -668,12 +670,12 @@ int parse_feature_request(const char *feature_list, const char *feature) return !!parse_feature_value(feature_list, feature, NULL, NULL); } -static const char *next_server_feature_value(const char *feature, int *len, int *offset) +static const char *next_server_feature_value(const char *feature, size_t *len, size_t *offset) { return parse_feature_value(server_capabilities_v1, feature, len, offset); } -const char *server_feature_value(const char *feature, int *len) +const char *server_feature_value(const char *feature, size_t *len) { return parse_feature_value(server_capabilities_v1, feature, len, NULL); } @@ -12,14 +12,14 @@ int finish_connect(struct child_process *conn); int git_connection_is_socket(struct child_process *conn); int server_supports(const char *feature); int parse_feature_request(const char *features, const char *feature); -const char *server_feature_value(const char *feature, int *len_ret); +const char *server_feature_value(const char *feature, size_t *len_ret); int url_is_local_not_ssh(const char *url); struct packet_reader; enum protocol_version discover_version(struct packet_reader *reader); int server_supports_hash(const char *desired, int *feature_supported); -const char *parse_feature_value(const char *feature_list, const char *feature, int *lenp, int *offset); +const char *parse_feature_value(const char *feature_list, const char *feature, size_t *lenp, size_t *offset); int server_supports_v2(const char *c); void ensure_server_supports_v2(const char *c); int server_feature_v2(const char *c, const char **v); diff --git a/fetch-pack.c b/fetch-pack.c index 677102465a..6fa6e8af9a 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -1100,7 +1100,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args, struct ref *ref = copy_ref_list(orig_ref); struct object_id oid; const char *agent_feature; - int agent_len; + size_t agent_len; struct fetch_negotiator negotiator_alloc; struct fetch_negotiator *negotiator; @@ -1118,7 +1118,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args, agent_supported = 1; if (agent_len) print_verbose(args, _("Server version is %.*s"), - agent_len, agent_feature); + (int)agent_len, agent_feature); } if (!server_supports("session-id")) diff --git a/send-pack.c b/send-pack.c index 7ebd1b3507..2089143555 100644 --- a/send-pack.c +++ b/send-pack.c @@ -539,7 +539,7 @@ int send_pack(struct send_pack_args *args, die(_("the receiving end does not support this repository's hash algorithm")); if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { - int len; + size_t len; push_cert_nonce = server_feature_value("push-cert", &len); if (push_cert_nonce) { reject_invalid_nonce(push_cert_nonce, len); diff --git a/t/t5512-ls-remote.sh b/t/t5512-ls-remote.sh index 20d063fb9a..151c76eb09 100755 --- a/t/t5512-ls-remote.sh +++ b/t/t5512-ls-remote.sh @@ -15,6 +15,19 @@ generate_references () { done } +test_expect_success 'set up fake upload-pack' ' + # This can be used to simulate an upload-pack that just shows the + # contents of the "input" file (prepared with the test-tool pkt-line + # helper), and does not do any negotiation (since ls-remote does not + # need it). + write_script cat-input <<-\EOF + # send our initial advertisement/response + cat input + # soak up the flush packet from the client + cat + EOF +' + test_expect_success 'dies when no remote found' ' test_must_fail git ls-remote ' @@ -231,22 +244,25 @@ test_expect_success 'protocol v2 supports hiderefs' ' test_expect_success 'ls-remote --symref' ' git fetch origin && - echo "ref: refs/heads/main HEAD" >expect && + echo "ref: refs/heads/main HEAD" >expect.v2 && generate_references \ HEAD \ - refs/heads/main >>expect && + refs/heads/main >>expect.v2 && + echo "ref: refs/remotes/origin/main refs/remotes/origin/HEAD" >>expect.v2 && oid=$(git rev-parse HEAD) && - echo "$oid refs/remotes/origin/HEAD" >>expect && + echo "$oid refs/remotes/origin/HEAD" >>expect.v2 && generate_references \ refs/remotes/origin/main \ refs/tags/mark \ refs/tags/mark1.1 \ refs/tags/mark1.10 \ - refs/tags/mark1.2 >>expect && - # Protocol v2 supports sending symrefs for refs other than HEAD, so use - # protocol v0 here. - GIT_TEST_PROTOCOL_VERSION=0 git ls-remote --symref >actual && - test_cmp expect actual + refs/tags/mark1.2 >>expect.v2 && + # v0 does not show non-HEAD symrefs + grep -v "ref: refs/remotes" <expect.v2 >expect.v0 && + git -c protocol.version=0 ls-remote --symref >actual.v0 && + test_cmp expect.v0 actual.v0 && + git -c protocol.version=2 ls-remote --symref >actual.v2 && + test_cmp expect.v2 actual.v2 ' test_expect_success 'ls-remote with filtered symref (refname)' ' @@ -255,76 +271,41 @@ test_expect_success 'ls-remote with filtered symref (refname)' ' ref: refs/heads/main HEAD $rev HEAD EOF - # Protocol v2 supports sending symrefs for refs other than HEAD, so use - # protocol v0 here. - GIT_TEST_PROTOCOL_VERSION=0 git ls-remote --symref . HEAD >actual && + git ls-remote --symref . HEAD >actual && test_cmp expect actual ' -test_expect_failure 'ls-remote with filtered symref (--heads)' ' +test_expect_success 'ls-remote with filtered symref (--heads)' ' git symbolic-ref refs/heads/foo refs/tags/mark && - cat >expect <<-EOF && + cat >expect.v2 <<-EOF && ref: refs/tags/mark refs/heads/foo $rev refs/heads/foo $rev refs/heads/main EOF - # Protocol v2 supports sending symrefs for refs other than HEAD, so use - # protocol v0 here. - GIT_TEST_PROTOCOL_VERSION=0 git ls-remote --symref --heads . >actual && - test_cmp expect actual + grep -v "^ref: refs/tags/" <expect.v2 >expect.v0 && + git -c protocol.version=0 ls-remote --symref --heads . >actual.v0 && + test_cmp expect.v0 actual.v0 && + git -c protocol.version=2 ls-remote --symref --heads . >actual.v2 && + test_cmp expect.v2 actual.v2 ' -test_expect_success 'ls-remote --symref omits filtered-out matches' ' - cat >expect <<-EOF && - $rev refs/heads/foo - $rev refs/heads/main +test_expect_success 'indicate no refs in v0 standards-compliant empty remote' ' + # Git does not produce an output like this, but it does match the + # standard and is produced by other implementations like JGit. So + # hard-code the case we care about. + # + # The actual capabilities do not matter; there are none that would + # change how ls-remote behaves. + oid=0000000000000000000000000000000000000000 && + test-tool pkt-line pack >input.q <<-EOF && + $oid capabilities^{}Qcaps-go-here + 0000 EOF - # Protocol v2 supports sending symrefs for refs other than HEAD, so use - # protocol v0 here. - GIT_TEST_PROTOCOL_VERSION=0 git ls-remote --symref --heads . >actual && - test_cmp expect actual && - GIT_TEST_PROTOCOL_VERSION=0 git ls-remote --symref . "refs/heads/*" >actual && - test_cmp expect actual -' - -test_lazy_prereq GIT_DAEMON ' - test_bool_env GIT_TEST_GIT_DAEMON true -' + q_to_nul <input.q >input && -# This test spawns a daemon, so run it only if the user would be OK with -# testing with git-daemon. -test_expect_success PIPE,JGIT,GIT_DAEMON 'indicate no refs in standards-compliant empty remote' ' - test_set_port JGIT_DAEMON_PORT && - JGIT_DAEMON_PID= && - git init --bare empty.git && - >empty.git/git-daemon-export-ok && - mkfifo jgit_daemon_output && - { - jgit daemon --port="$JGIT_DAEMON_PORT" . >jgit_daemon_output & - JGIT_DAEMON_PID=$! - } && - test_when_finished kill "$JGIT_DAEMON_PID" && - { - read line && - case $line in - Exporting*) - ;; - *) - echo "Expected: Exporting" && - false;; - esac && - read line && - case $line in - "Listening on"*) - ;; - *) - echo "Expected: Listening on" && - false;; - esac - } <jgit_daemon_output && # --exit-code asks the command to exit with 2 when no # matching refs are found. - test_expect_code 2 git ls-remote --exit-code git://localhost:$JGIT_DAEMON_PORT/empty.git + test_expect_code 2 git ls-remote --exit-code --upload-pack=./cat-input . ' test_expect_success 'ls-remote works outside repository' ' @@ -345,8 +326,8 @@ test_expect_success 'ls-remote --sort fails gracefully outside repository' ' test_expect_success 'ls-remote patterns work with all protocol versions' ' git for-each-ref --format="%(objectname) %(refname)" \ refs/heads/main refs/remotes/origin/main >expect && - git -c protocol.version=1 ls-remote . main >actual.v1 && - test_cmp expect actual.v1 && + git -c protocol.version=0 ls-remote . main >actual.v0 && + test_cmp expect actual.v0 && git -c protocol.version=2 ls-remote . main >actual.v2 && test_cmp expect actual.v2 ' @@ -354,10 +335,49 @@ test_expect_success 'ls-remote patterns work with all protocol versions' ' test_expect_success 'ls-remote prefixes work with all protocol versions' ' git for-each-ref --format="%(objectname) %(refname)" \ refs/heads/ refs/tags/ >expect && - git -c protocol.version=1 ls-remote --heads --tags . >actual.v1 && - test_cmp expect actual.v1 && + git -c protocol.version=0 ls-remote --heads --tags . >actual.v0 && + test_cmp expect actual.v0 && git -c protocol.version=2 ls-remote --heads --tags . >actual.v2 && test_cmp expect actual.v2 ' +test_expect_success 'v0 clients can handle multiple symrefs' ' + # Modern versions of Git will not return multiple symref capabilities + # for v0, so we have to hard-code the response. Note that we will + # always use both v0 and object-format=sha1 here, as the hard-coded + # response reflects a server that only supports those. + oid=1234567890123456789012345678901234567890 && + symrefs="symref=refs/remotes/origin/HEAD:refs/remotes/origin/main" && + symrefs="$symrefs symref=HEAD:refs/heads/main" && + + # Likewise we want to make sure our parser is not fooled by the string + # "symref" appearing as part of an earlier cap. But there is no way to + # do that via upload-pack, as arbitrary strings can appear only in a + # "symref" value itself (where we skip past the values as a whole) + # and "agent" (which always appears after "symref", so putting our + # parser in a confused state is less interesting). + caps="some other caps including a-fake-symref-cap" && + + test-tool pkt-line pack >input.q <<-EOF && + $oid HEADQ$caps $symrefs + $oid refs/heads/main + $oid refs/remotes/origin/HEAD + $oid refs/remotes/origin/main + 0000 + EOF + q_to_nul <input.q >input && + + cat >expect <<-EOF && + ref: refs/heads/main HEAD + $oid HEAD + $oid refs/heads/main + ref: refs/remotes/origin/main refs/remotes/origin/HEAD + $oid refs/remotes/origin/HEAD + $oid refs/remotes/origin/main + EOF + + git ls-remote --symref --upload-pack=./cat-input . >actual && + test_cmp expect actual +' + test_done diff --git a/transport.c b/transport.c index 0bf2d6940c..67afdae57c 100644 --- a/transport.c +++ b/transport.c @@ -320,7 +320,7 @@ static struct ref *handshake(struct transport *transport, int for_push, struct git_transport_data *data = transport->data; struct ref *refs = NULL; struct packet_reader reader; - int sid_len; + size_t sid_len; const char *server_sid; connect_setup(transport, for_push); diff --git a/upload-pack.c b/upload-pack.c index e16dee783d..08633dc121 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -1070,7 +1070,7 @@ static void receive_needs(struct upload_pack_data *data, const char *features; struct object_id oid_buf; const char *arg; - int feature_len; + size_t feature_len; reset_timeout(data->timeout); if (packet_reader_read(reader) != PACKET_READ_NORMAL) |