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https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
Merge branch 'cc/upload-pack-data-2'
Further code clean-up. * cc/upload-pack-data-2: upload-pack: move pack_objects_hook to upload_pack_data upload-pack: move allow_sideband_all to upload_pack_data upload-pack: move allow_ref_in_want to upload_pack_data upload-pack: move allow_filter to upload_pack_data upload-pack: move keepalive to upload_pack_data upload-pack: pass upload_pack_data to upload_pack_config() upload-pack: change multi_ack to an enum upload-pack: move multi_ack to upload_pack_data upload-pack: move filter_capability_requested to upload_pack_data upload-pack: move use_sideband to upload_pack_data upload-pack: move static vars to upload_pack_data upload-pack: annotate upload_pack_data fields upload-pack: actually use some upload_pack_data bitfields
This commit is contained in:
commit
113f734907
199
upload-pack.c
199
upload-pack.c
|
@ -44,10 +44,6 @@
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static timestamp_t oldest_have;
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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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static int no_progress, daemon_mode;
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/* Allow specifying sha1 if it is a ref tip. */
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#define ALLOW_TIP_SHA1 01
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/* Allow request of a sha1 if it is reachable from a ref (possibly hidden ref). */
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@ -57,26 +53,17 @@ static int no_progress, daemon_mode;
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static unsigned int allow_unadvertised_object_request;
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static int shallow_nr;
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static struct object_array extra_edge_obj;
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static unsigned int timeout;
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static int keepalive = 5;
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/* 0 for no sideband,
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* otherwise maximum packet size (up to 65520 bytes).
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/*
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* Please annotate, and if possible group together, fields used only
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* for protocol v0 or only for protocol v2.
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*/
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static int use_sideband;
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static const char *pack_objects_hook;
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static int filter_capability_requested;
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static int allow_filter;
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static int allow_ref_in_want;
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static int allow_sideband_all;
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struct upload_pack_data {
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struct string_list symref;
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struct string_list wanted_refs;
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struct string_list symref; /* v0 only */
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struct object_array want_obj;
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struct object_array have_obj;
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struct oid_array haves;
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struct oid_array haves; /* v2 only */
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struct string_list wanted_refs; /* v2 only */
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struct object_array shallows;
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struct string_list deepen_not;
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@ -84,18 +71,38 @@ struct upload_pack_data {
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timestamp_t deepen_since;
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int deepen_rev_list;
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int deepen_relative;
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int keepalive;
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unsigned int timeout; /* v0 only */
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enum {
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NO_MULTI_ACK = 0,
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MULTI_ACK = 1,
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MULTI_ACK_DETAILED = 2
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} multi_ack; /* v0 only */
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/* 0 for no sideband, otherwise DEFAULT_PACKET_MAX or LARGE_PACKET_MAX */
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int use_sideband;
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struct list_objects_filter_options filter_options;
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struct packet_writer writer;
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unsigned stateless_rpc : 1;
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const char *pack_objects_hook;
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unsigned stateless_rpc : 1; /* v0 only */
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unsigned no_done : 1; /* v0 only */
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unsigned daemon_mode : 1; /* v0 only */
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unsigned filter_capability_requested : 1; /* v0 only */
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unsigned use_thin_pack : 1;
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unsigned use_ofs_delta : 1;
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unsigned no_progress : 1;
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unsigned use_include_tag : 1;
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unsigned done : 1;
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unsigned allow_filter : 1;
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unsigned done : 1; /* v2 only */
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unsigned allow_ref_in_want : 1; /* v2 only */
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unsigned allow_sideband_all : 1; /* v2 only */
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};
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static void upload_pack_data_init(struct upload_pack_data *data)
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@ -117,6 +124,8 @@ static void upload_pack_data_init(struct upload_pack_data *data)
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data->shallows = shallows;
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data->deepen_not = deepen_not;
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packet_writer_init(&data->writer, 1);
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data->keepalive = 5;
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}
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static void upload_pack_data_clear(struct upload_pack_data *data)
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@ -129,14 +138,17 @@ static void upload_pack_data_clear(struct upload_pack_data *data)
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object_array_clear(&data->shallows);
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string_list_clear(&data->deepen_not, 0);
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list_objects_filter_release(&data->filter_options);
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free((char *)data->pack_objects_hook);
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}
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static void reset_timeout(void)
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static void reset_timeout(unsigned int timeout)
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{
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alarm(timeout);
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}
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static void send_client_data(int fd, const char *data, ssize_t sz)
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static void send_client_data(int fd, const char *data, ssize_t sz,
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int use_sideband)
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{
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if (use_sideband) {
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send_sideband(1, fd, data, sz, use_sideband);
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@ -172,10 +184,10 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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int i;
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FILE *pipe_fd;
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if (!pack_objects_hook)
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if (!pack_data->pack_objects_hook)
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pack_objects.git_cmd = 1;
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else {
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argv_array_push(&pack_objects.args, pack_objects_hook);
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argv_array_push(&pack_objects.args, pack_data->pack_objects_hook);
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argv_array_push(&pack_objects.args, "git");
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pack_objects.use_shell = 1;
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}
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@ -186,17 +198,17 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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}
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argv_array_push(&pack_objects.args, "pack-objects");
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argv_array_push(&pack_objects.args, "--revs");
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if (use_thin_pack)
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if (pack_data->use_thin_pack)
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argv_array_push(&pack_objects.args, "--thin");
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argv_array_push(&pack_objects.args, "--stdout");
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if (shallow_nr)
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argv_array_push(&pack_objects.args, "--shallow");
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if (!no_progress)
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if (!pack_data->no_progress)
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argv_array_push(&pack_objects.args, "--progress");
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if (use_ofs_delta)
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if (pack_data->use_ofs_delta)
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argv_array_push(&pack_objects.args, "--delta-base-offset");
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if (use_include_tag)
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if (pack_data->use_include_tag)
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argv_array_push(&pack_objects.args, "--include-tag");
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if (pack_data->filter_options.choice) {
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const char *spec =
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@ -244,10 +256,10 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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while (1) {
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struct pollfd pfd[2];
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int pe, pu, pollsize;
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int pe, pu, pollsize, polltimeout;
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int ret;
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reset_timeout();
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reset_timeout(pack_data->timeout);
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pollsize = 0;
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pe = pu = -1;
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@ -268,8 +280,11 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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if (!pollsize)
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break;
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ret = poll(pfd, pollsize,
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keepalive < 0 ? -1 : 1000 * keepalive);
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polltimeout = pack_data->keepalive < 0
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? -1
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: 1000 * pack_data->keepalive;
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ret = poll(pfd, pollsize, polltimeout);
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if (ret < 0) {
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if (errno != EINTR) {
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@ -285,7 +300,8 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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sz = xread(pack_objects.err, progress,
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sizeof(progress));
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if (0 < sz)
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send_client_data(2, progress, sz);
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send_client_data(2, progress, sz,
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pack_data->use_sideband);
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else if (sz == 0) {
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close(pack_objects.err);
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pack_objects.err = -1;
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@ -328,7 +344,8 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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}
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else
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buffered = -1;
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send_client_data(1, data, sz);
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send_client_data(1, data, sz,
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pack_data->use_sideband);
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}
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/*
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@ -341,7 +358,7 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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* protocol to say anything, so those clients are just out of
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* luck.
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*/
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if (!ret && use_sideband) {
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if (!ret && pack_data->use_sideband) {
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static const char buf[] = "0005\1";
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write_or_die(1, buf, 5);
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}
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@ -355,15 +372,17 @@ static void create_pack_file(struct upload_pack_data *pack_data)
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/* flush the data */
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if (0 <= buffered) {
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data[0] = buffered;
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send_client_data(1, data, 1);
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send_client_data(1, data, 1,
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pack_data->use_sideband);
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fprintf(stderr, "flushed.\n");
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}
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if (use_sideband)
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if (pack_data->use_sideband)
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packet_flush(1);
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return;
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fail:
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send_client_data(3, abort_msg, sizeof(abort_msg));
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send_client_data(3, abort_msg, sizeof(abort_msg),
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pack_data->use_sideband);
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die("git upload-pack: %s", abort_msg);
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}
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@ -429,20 +448,20 @@ static int get_common_commits(struct upload_pack_data *data,
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for (;;) {
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const char *arg;
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reset_timeout();
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reset_timeout(data->timeout);
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if (packet_reader_read(reader) != PACKET_READ_NORMAL) {
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if (multi_ack == 2
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if (data->multi_ack == MULTI_ACK_DETAILED
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&& got_common
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&& !got_other
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&& ok_to_give_up(&data->have_obj, &data->want_obj)) {
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sent_ready = 1;
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packet_write_fmt(1, "ACK %s ready\n", last_hex);
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}
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if (data->have_obj.nr == 0 || multi_ack)
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if (data->have_obj.nr == 0 || data->multi_ack)
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packet_write_fmt(1, "NAK\n");
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if (no_done && sent_ready) {
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if (data->no_done && sent_ready) {
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packet_write_fmt(1, "ACK %s\n", last_hex);
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return 0;
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}
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@ -456,10 +475,10 @@ static int get_common_commits(struct upload_pack_data *data,
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switch (got_oid(arg, &oid, &data->have_obj)) {
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case -1: /* they have what we do not */
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got_other = 1;
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if (multi_ack
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if (data->multi_ack
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&& ok_to_give_up(&data->have_obj, &data->want_obj)) {
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const char *hex = oid_to_hex(&oid);
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if (multi_ack == 2) {
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if (data->multi_ack == MULTI_ACK_DETAILED) {
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sent_ready = 1;
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packet_write_fmt(1, "ACK %s ready\n", hex);
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} else
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@ -469,9 +488,9 @@ static int get_common_commits(struct upload_pack_data *data,
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default:
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got_common = 1;
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oid_to_hex_r(last_hex, &oid);
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if (multi_ack == 2)
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if (data->multi_ack == MULTI_ACK_DETAILED)
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packet_write_fmt(1, "ACK %s common\n", last_hex);
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else if (multi_ack)
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else if (data->multi_ack)
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packet_write_fmt(1, "ACK %s continue\n", last_hex);
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else if (data->have_obj.nr == 1)
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packet_write_fmt(1, "ACK %s\n", last_hex);
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|
@ -481,7 +500,7 @@ static int get_common_commits(struct upload_pack_data *data,
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}
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if (!strcmp(reader->line, "done")) {
|
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if (data->have_obj.nr > 0) {
|
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if (multi_ack)
|
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if (data->multi_ack)
|
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packet_write_fmt(1, "ACK %s\n", last_hex);
|
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return 0;
|
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}
|
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|
@ -920,7 +939,7 @@ static void receive_needs(struct upload_pack_data *data,
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struct object_id oid_buf;
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const char *arg;
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|
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reset_timeout();
|
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reset_timeout(data->timeout);
|
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if (packet_reader_read(reader) != PACKET_READ_NORMAL)
|
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break;
|
||||
|
||||
|
@ -934,7 +953,7 @@ static void receive_needs(struct upload_pack_data *data,
|
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continue;
|
||||
|
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if (skip_prefix(reader->line, "filter ", &arg)) {
|
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if (!filter_capability_requested)
|
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if (!data->filter_capability_requested)
|
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die("git upload-pack: filtering capability not negotiated");
|
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list_objects_filter_die_if_populated(&data->filter_options);
|
||||
parse_list_objects_filter(&data->filter_options, arg);
|
||||
|
@ -949,25 +968,26 @@ static void receive_needs(struct upload_pack_data *data,
|
|||
if (parse_feature_request(features, "deepen-relative"))
|
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data->deepen_relative = 1;
|
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if (parse_feature_request(features, "multi_ack_detailed"))
|
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multi_ack = 2;
|
||||
data->multi_ack = MULTI_ACK_DETAILED;
|
||||
else if (parse_feature_request(features, "multi_ack"))
|
||||
multi_ack = 1;
|
||||
data->multi_ack = MULTI_ACK;
|
||||
if (parse_feature_request(features, "no-done"))
|
||||
no_done = 1;
|
||||
data->no_done = 1;
|
||||
if (parse_feature_request(features, "thin-pack"))
|
||||
use_thin_pack = 1;
|
||||
data->use_thin_pack = 1;
|
||||
if (parse_feature_request(features, "ofs-delta"))
|
||||
use_ofs_delta = 1;
|
||||
data->use_ofs_delta = 1;
|
||||
if (parse_feature_request(features, "side-band-64k"))
|
||||
use_sideband = LARGE_PACKET_MAX;
|
||||
data->use_sideband = LARGE_PACKET_MAX;
|
||||
else if (parse_feature_request(features, "side-band"))
|
||||
use_sideband = DEFAULT_PACKET_MAX;
|
||||
data->use_sideband = DEFAULT_PACKET_MAX;
|
||||
if (parse_feature_request(features, "no-progress"))
|
||||
no_progress = 1;
|
||||
data->no_progress = 1;
|
||||
if (parse_feature_request(features, "include-tag"))
|
||||
use_include_tag = 1;
|
||||
if (allow_filter && parse_feature_request(features, "filter"))
|
||||
filter_capability_requested = 1;
|
||||
data->use_include_tag = 1;
|
||||
if (data->allow_filter &&
|
||||
parse_feature_request(features, "filter"))
|
||||
data->filter_capability_requested = 1;
|
||||
|
||||
o = parse_object(the_repository, &oid_buf);
|
||||
if (!o) {
|
||||
|
@ -996,8 +1016,8 @@ static void receive_needs(struct upload_pack_data *data,
|
|||
if (has_non_tip)
|
||||
check_non_tip(data);
|
||||
|
||||
if (!use_sideband && daemon_mode)
|
||||
no_progress = 1;
|
||||
if (!data->use_sideband && data->daemon_mode)
|
||||
data->no_progress = 1;
|
||||
|
||||
if (data->depth == 0 && !data->deepen_rev_list && data->shallows.nr == 0)
|
||||
return;
|
||||
|
@ -1072,7 +1092,7 @@ static int send_ref(const char *refname, const struct object_id *oid,
|
|||
" allow-reachable-sha1-in-want" : "",
|
||||
data->stateless_rpc ? " no-done" : "",
|
||||
symref_info.buf,
|
||||
allow_filter ? " filter" : "",
|
||||
data->allow_filter ? " filter" : "",
|
||||
git_user_agent_sanitized());
|
||||
strbuf_release(&symref_info);
|
||||
} else {
|
||||
|
@ -1100,8 +1120,10 @@ static int find_symref(const char *refname, const struct object_id *oid,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int upload_pack_config(const char *var, const char *value, void *unused)
|
||||
static int upload_pack_config(const char *var, const char *value, void *cb_data)
|
||||
{
|
||||
struct upload_pack_data *data = cb_data;
|
||||
|
||||
if (!strcmp("uploadpack.allowtipsha1inwant", var)) {
|
||||
if (git_config_bool(var, value))
|
||||
allow_unadvertised_object_request |= ALLOW_TIP_SHA1;
|
||||
|
@ -1118,15 +1140,15 @@ static int upload_pack_config(const char *var, const char *value, void *unused)
|
|||
else
|
||||
allow_unadvertised_object_request &= ~ALLOW_ANY_SHA1;
|
||||
} else if (!strcmp("uploadpack.keepalive", var)) {
|
||||
keepalive = git_config_int(var, value);
|
||||
if (!keepalive)
|
||||
keepalive = -1;
|
||||
data->keepalive = git_config_int(var, value);
|
||||
if (!data->keepalive)
|
||||
data->keepalive = -1;
|
||||
} else if (!strcmp("uploadpack.allowfilter", var)) {
|
||||
allow_filter = git_config_bool(var, value);
|
||||
data->allow_filter = git_config_bool(var, value);
|
||||
} else if (!strcmp("uploadpack.allowrefinwant", var)) {
|
||||
allow_ref_in_want = git_config_bool(var, value);
|
||||
data->allow_ref_in_want = git_config_bool(var, value);
|
||||
} else if (!strcmp("uploadpack.allowsidebandall", var)) {
|
||||
allow_sideband_all = git_config_bool(var, value);
|
||||
data->allow_sideband_all = git_config_bool(var, value);
|
||||
} else if (!strcmp("core.precomposeunicode", var)) {
|
||||
precomposed_unicode = git_config_bool(var, value);
|
||||
}
|
||||
|
@ -1134,7 +1156,7 @@ static int upload_pack_config(const char *var, const char *value, void *unused)
|
|||
if (current_config_scope() != CONFIG_SCOPE_LOCAL &&
|
||||
current_config_scope() != CONFIG_SCOPE_WORKTREE) {
|
||||
if (!strcmp("uploadpack.packobjectshook", var))
|
||||
return git_config_string(&pack_objects_hook, var, value);
|
||||
return git_config_string(&data->pack_objects_hook, var, value);
|
||||
}
|
||||
|
||||
return parse_hide_refs_config(var, value, "uploadpack");
|
||||
|
@ -1145,19 +1167,18 @@ void upload_pack(struct upload_pack_options *options)
|
|||
struct packet_reader reader;
|
||||
struct upload_pack_data data;
|
||||
|
||||
timeout = options->timeout;
|
||||
daemon_mode = options->daemon_mode;
|
||||
|
||||
git_config(upload_pack_config, NULL);
|
||||
|
||||
upload_pack_data_init(&data);
|
||||
|
||||
git_config(upload_pack_config, &data);
|
||||
|
||||
data.stateless_rpc = options->stateless_rpc;
|
||||
data.daemon_mode = options->daemon_mode;
|
||||
data.timeout = options->timeout;
|
||||
|
||||
head_ref_namespaced(find_symref, &data.symref);
|
||||
|
||||
if (options->advertise_refs || !data.stateless_rpc) {
|
||||
reset_timeout();
|
||||
reset_timeout(data.timeout);
|
||||
head_ref_namespaced(send_ref, &data);
|
||||
for_each_namespaced_ref(send_ref, &data);
|
||||
advertise_shallow_grafts(1);
|
||||
|
@ -1269,7 +1290,7 @@ static void process_args(struct packet_reader *request,
|
|||
/* process want */
|
||||
if (parse_want(&data->writer, arg, &data->want_obj))
|
||||
continue;
|
||||
if (allow_ref_in_want &&
|
||||
if (data->allow_ref_in_want &&
|
||||
parse_want_ref(&data->writer, arg, &data->wanted_refs,
|
||||
&data->want_obj))
|
||||
continue;
|
||||
|
@ -1279,19 +1300,19 @@ static void process_args(struct packet_reader *request,
|
|||
|
||||
/* process args like thin-pack */
|
||||
if (!strcmp(arg, "thin-pack")) {
|
||||
use_thin_pack = 1;
|
||||
data->use_thin_pack = 1;
|
||||
continue;
|
||||
}
|
||||
if (!strcmp(arg, "ofs-delta")) {
|
||||
use_ofs_delta = 1;
|
||||
data->use_ofs_delta = 1;
|
||||
continue;
|
||||
}
|
||||
if (!strcmp(arg, "no-progress")) {
|
||||
no_progress = 1;
|
||||
data->no_progress = 1;
|
||||
continue;
|
||||
}
|
||||
if (!strcmp(arg, "include-tag")) {
|
||||
use_include_tag = 1;
|
||||
data->use_include_tag = 1;
|
||||
continue;
|
||||
}
|
||||
if (!strcmp(arg, "done")) {
|
||||
|
@ -1315,14 +1336,14 @@ static void process_args(struct packet_reader *request,
|
|||
continue;
|
||||
}
|
||||
|
||||
if (allow_filter && skip_prefix(arg, "filter ", &p)) {
|
||||
if (data->allow_filter && skip_prefix(arg, "filter ", &p)) {
|
||||
list_objects_filter_die_if_populated(&data->filter_options);
|
||||
parse_list_objects_filter(&data->filter_options, p);
|
||||
continue;
|
||||
}
|
||||
|
||||
if ((git_env_bool("GIT_TEST_SIDEBAND_ALL", 0) ||
|
||||
allow_sideband_all) &&
|
||||
data->allow_sideband_all) &&
|
||||
!strcmp(arg, "sideband-all")) {
|
||||
data->writer.use_sideband = 1;
|
||||
continue;
|
||||
|
@ -1479,10 +1500,10 @@ int upload_pack_v2(struct repository *r, struct argv_array *keys,
|
|||
|
||||
clear_object_flags(ALL_FLAGS);
|
||||
|
||||
git_config(upload_pack_config, NULL);
|
||||
|
||||
upload_pack_data_init(&data);
|
||||
use_sideband = LARGE_PACKET_MAX;
|
||||
data.use_sideband = LARGE_PACKET_MAX;
|
||||
|
||||
git_config(upload_pack_config, &data);
|
||||
|
||||
while (state != FETCH_DONE) {
|
||||
switch (state) {
|
||||
|
|
Loading…
Reference in a new issue