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fetch-pack: refactor command and capability write

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A subsequent commit will need this functionality independent of the rest
of send_fetch_request(), so put this into its own function.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan 2021-04-08 18:10:01 -07:00 committed by Junio C Hamano
parent 57c3451b2e
commit 6871d0cec6
1 changed files with 33 additions and 26 deletions
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59
fetch-pack.c
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@ -1213,6 +1213,38 @@ static int add_haves(struct fetch_negotiator *negotiator,
return haves_added;
}
static void write_fetch_command_and_capabilities(struct strbuf *req_buf,
const struct string_list *server_options)
{
const char *hash_name;
if (server_supports_v2("fetch", 1))
packet_buf_write(req_buf, "command=fetch");
if (server_supports_v2("agent", 0))
packet_buf_write(req_buf, "agent=%s", git_user_agent_sanitized());
if (advertise_sid && server_supports_v2("session-id", 0))
packet_buf_write(req_buf, "session-id=%s", trace2_session_id());
if (server_options && server_options->nr &&
server_supports_v2("server-option", 1)) {
int i;
for (i = 0; i < server_options->nr; i++)
packet_buf_write(req_buf, "server-option=%s",
server_options->items[i].string);
}
if (server_feature_v2("object-format", &hash_name)) {
int hash_algo = hash_algo_by_name(hash_name);
if (hash_algo_by_ptr(the_hash_algo) != hash_algo)
die(_("mismatched algorithms: client %s; server %s"),
the_hash_algo->name, hash_name);
packet_buf_write(req_buf, "object-format=%s", the_hash_algo->name);
} else if (hash_algo_by_ptr(the_hash_algo) != GIT_HASH_SHA1) {
die(_("the server does not support algorithm '%s'"),
the_hash_algo->name);
}
packet_buf_delim(req_buf);
}
static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
struct fetch_pack_args *args,
const struct ref *wants, struct oidset *common,
@ -1221,35 +1253,10 @@ static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
{
int haves_added;
int done_sent = 0;
const char *hash_name;
struct strbuf req_buf = STRBUF_INIT;
if (server_supports_v2("fetch", 1))
packet_buf_write(&req_buf, "command=fetch");
if (server_supports_v2("agent", 0))
packet_buf_write(&req_buf, "agent=%s", git_user_agent_sanitized());
if (advertise_sid && server_supports_v2("session-id", 0))
packet_buf_write(&req_buf, "session-id=%s", trace2_session_id());
if (args->server_options && args->server_options->nr &&
server_supports_v2("server-option", 1)) {
int i;
for (i = 0; i < args->server_options->nr; i++)
packet_buf_write(&req_buf, "server-option=%s",
args->server_options->items[i].string);
}
write_fetch_command_and_capabilities(&req_buf, args->server_options);
if (server_feature_v2("object-format", &hash_name)) {
int hash_algo = hash_algo_by_name(hash_name);
if (hash_algo_by_ptr(the_hash_algo) != hash_algo)
die(_("mismatched algorithms: client %s; server %s"),
the_hash_algo->name, hash_name);
packet_buf_write(&req_buf, "object-format=%s", the_hash_algo->name);
} else if (hash_algo_by_ptr(the_hash_algo) != GIT_HASH_SHA1) {
die(_("the server does not support algorithm '%s'"),
the_hash_algo->name);
}
packet_buf_delim(&req_buf);
if (args->use_thin_pack)
packet_buf_write(&req_buf, "thin-pack");
if (args->no_progress)