#include "pack.h"
#include "refs.h"
#include "pkt-line.h"
+#include "sideband.h"
#include "run-command.h"
#include "exec_cmd.h"
#include "commit.h"
static int transfer_unpack_limit = -1;
static int unpack_limit = 100;
static int report_status;
+static int use_sideband;
static int prefer_ofs_delta = 1;
static int auto_update_server_info;
static int auto_gc = 1;
static const char *head_name;
-static char *capabilities_to_send;
+static int sent_capabilities;
static enum deny_action parse_deny_action(const char *var, const char *value)
{
static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
- if (!capabilities_to_send)
+ if (sent_capabilities)
packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
else
- packet_write(1, "%s %s%c%s\n",
- sha1_to_hex(sha1), path, 0, capabilities_to_send);
- capabilities_to_send = NULL;
+ packet_write(1, "%s %s%c%s%s\n",
+ sha1_to_hex(sha1), path, 0,
+ " report-status delete-refs side-band-64k",
+ prefer_ofs_delta ? " ofs-delta" : "");
+ sent_capabilities = 1;
return 0;
}
static void write_head_info(void)
{
for_each_ref(show_ref, NULL);
- if (capabilities_to_send)
+ if (!sent_capabilities)
show_ref("capabilities^{}", null_sha1, 0, NULL);
}
static const char pre_receive_hook[] = "hooks/pre-receive";
static const char post_receive_hook[] = "hooks/post-receive";
+static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2)));
+static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
+
+static void report_message(const char *prefix, const char *err, va_list params)
+{
+ int sz = strlen(prefix);
+ char msg[4096];
+
+ strncpy(msg, prefix, sz);
+ sz += vsnprintf(msg + sz, sizeof(msg) - sz, err, params);
+ if (sz > (sizeof(msg) - 1))
+ sz = sizeof(msg) - 1;
+ msg[sz++] = '\n';
+
+ if (use_sideband)
+ send_sideband(1, 2, msg, sz, use_sideband);
+ else
+ xwrite(2, msg, sz);
+}
+
+static void rp_warning(const char *err, ...)
+{
+ va_list params;
+ va_start(params, err);
+ report_message("warning: ", err, params);
+ va_end(params);
+}
+
+static void rp_error(const char *err, ...)
+{
+ va_list params;
+ va_start(params, err);
+ report_message("error: ", err, params);
+ va_end(params);
+}
+
+static int copy_to_sideband(int in, int out, void *arg)
+{
+ char data[128];
+ while (1) {
+ ssize_t sz = xread(in, data, sizeof(data));
+ if (sz <= 0)
+ break;
+ send_sideband(1, 2, data, sz, use_sideband);
+ }
+ close(in);
+ return 0;
+}
+
static int run_receive_hook(const char *hook_name)
{
static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4];
struct command *cmd;
struct child_process proc;
+ struct async muxer;
const char *argv[2];
int have_input = 0, code;
proc.in = -1;
proc.stdout_to_stderr = 1;
+ if (use_sideband) {
+ memset(&muxer, 0, sizeof(muxer));
+ muxer.proc = copy_to_sideband;
+ muxer.in = -1;
+ code = start_async(&muxer);
+ if (code)
+ return code;
+ proc.err = muxer.in;
+ }
+
code = start_command(&proc);
- if (code)
+ if (code) {
+ if (use_sideband)
+ finish_async(&muxer);
return code;
+ }
+
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string) {
size_t n = snprintf(buf, sizeof(buf), "%s %s %s\n",
}
}
close(proc.in);
+ if (use_sideband)
+ finish_async(&muxer);
return finish_command(&proc);
}
{
static const char update_hook[] = "hooks/update";
const char *argv[5];
+ struct child_process proc;
+ int code;
if (access(update_hook, X_OK) < 0)
return 0;
argv[3] = sha1_to_hex(cmd->new_sha1);
argv[4] = NULL;
- return run_command_v_opt(argv, RUN_COMMAND_NO_STDIN |
- RUN_COMMAND_STDOUT_TO_STDERR);
+ memset(&proc, 0, sizeof(proc));
+ proc.no_stdin = 1;
+ proc.stdout_to_stderr = 1;
+ proc.err = use_sideband ? -1 : 0;
+ proc.argv = argv;
+
+ code = start_command(&proc);
+ if (code)
+ return code;
+ if (use_sideband)
+ copy_to_sideband(proc.err, -1, NULL);
+ return finish_command(&proc);
}
static int is_ref_checked_out(const char *ref)
return !strcmp(head_name, ref);
}
-static char *warn_unconfigured_deny_msg[] = {
- "Updating the currently checked out branch may cause confusion,",
- "as the index and work tree do not reflect changes that are in HEAD.",
- "As a result, you may see the changes you just pushed into it",
- "reverted when you run 'git diff' over there, and you may want",
- "to run 'git reset --hard' before starting to work to recover.",
+static char *refuse_unconfigured_deny_msg[] = {
+ "By default, updating the current branch in a non-bare repository",
+ "is denied, because it will make the index and work tree inconsistent",
+ "with what you pushed, and will require 'git reset --hard' to match",
+ "the work tree to HEAD.",
"",
"You can set 'receive.denyCurrentBranch' configuration variable to",
- "'refuse' in the remote repository to forbid pushing into its",
- "current branch."
+ "'ignore' or 'warn' in the remote repository to allow pushing into",
+ "its current branch; however, this is not recommended unless you",
+ "arranged to update its work tree to match what you pushed in some",
+ "other way.",
"",
- "To allow pushing into the current branch, you can set it to 'ignore';",
- "but this is not recommended unless you arranged to update its work",
- "tree to match what you pushed in some other way.",
- "",
- "To squelch this message, you can set it to 'warn'.",
- "",
- "Note that the default will change in a future version of git",
- "to refuse updating the current branch unless you have the",
- "configuration variable set to either 'ignore' or 'warn'."
+ "To squelch this message and still keep the default behaviour, set",
+ "'receive.denyCurrentBranch' configuration variable to 'refuse'."
};
-static void warn_unconfigured_deny(void)
+static void refuse_unconfigured_deny(void)
{
int i;
- for (i = 0; i < ARRAY_SIZE(warn_unconfigured_deny_msg); i++)
- warning("%s", warn_unconfigured_deny_msg[i]);
+ for (i = 0; i < ARRAY_SIZE(refuse_unconfigured_deny_msg); i++)
+ rp_error("%s", refuse_unconfigured_deny_msg[i]);
}
-static char *warn_unconfigured_deny_delete_current_msg[] = {
- "Deleting the current branch can cause confusion by making the next",
- "'git clone' not check out any file.",
+static char *refuse_unconfigured_deny_delete_current_msg[] = {
+ "By default, deleting the current branch is denied, because the next",
+ "'git clone' won't result in any file checked out, causing confusion.",
"",
"You can set 'receive.denyDeleteCurrent' configuration variable to",
- "'refuse' in the remote repository to disallow deleting the current",
- "branch.",
- "",
- "You can set it to 'ignore' to allow such a delete without a warning.",
+ "'warn' or 'ignore' in the remote repository to allow deleting the",
+ "current branch, with or without a warning message.",
"",
- "To make this warning message less loud, you can set it to 'warn'.",
- "",
- "Note that the default will change in a future version of git",
- "to refuse deleting the current branch unless you have the",
- "configuration variable set to either 'ignore' or 'warn'."
+ "To squelch this message, you can set it to 'refuse'."
};
-static void warn_unconfigured_deny_delete_current(void)
+static void refuse_unconfigured_deny_delete_current(void)
{
int i;
for (i = 0;
- i < ARRAY_SIZE(warn_unconfigured_deny_delete_current_msg);
+ i < ARRAY_SIZE(refuse_unconfigured_deny_delete_current_msg);
i++)
- warning("%s", warn_unconfigured_deny_delete_current_msg[i]);
+ rp_error("%s", refuse_unconfigured_deny_delete_current_msg[i]);
}
static const char *update(struct command *cmd)
/* only refs/... are allowed */
if (prefixcmp(name, "refs/") || check_ref_format(name + 5)) {
- error("refusing to create funny ref '%s' remotely", name);
+ rp_error("refusing to create funny ref '%s' remotely", name);
return "funny refname";
}
switch (deny_current_branch) {
case DENY_IGNORE:
break;
- case DENY_UNCONFIGURED:
case DENY_WARN:
- warning("updating the current branch");
- if (deny_current_branch == DENY_UNCONFIGURED)
- warn_unconfigured_deny();
+ rp_warning("updating the current branch");
break;
case DENY_REFUSE:
- error("refusing to update checked out branch: %s", name);
+ case DENY_UNCONFIGURED:
+ rp_error("refusing to update checked out branch: %s", name);
+ if (deny_current_branch == DENY_UNCONFIGURED)
+ refuse_unconfigured_deny();
return "branch is currently checked out";
}
}
if (!is_null_sha1(old_sha1) && is_null_sha1(new_sha1)) {
if (deny_deletes && !prefixcmp(name, "refs/heads/")) {
- error("denying ref deletion for %s", name);
+ rp_error("denying ref deletion for %s", name);
return "deletion prohibited";
}
case DENY_IGNORE:
break;
case DENY_WARN:
- case DENY_UNCONFIGURED:
- if (deny_delete_current == DENY_UNCONFIGURED)
- warn_unconfigured_deny_delete_current();
- warning("deleting the current branch");
+ rp_warning("deleting the current branch");
break;
case DENY_REFUSE:
- error("refusing to delete the current branch: %s", name);
+ case DENY_UNCONFIGURED:
+ if (deny_delete_current == DENY_UNCONFIGURED)
+ refuse_unconfigured_deny_delete_current();
+ rp_error("refusing to delete the current branch: %s", name);
return "deletion of the current branch prohibited";
}
}
break;
free_commit_list(bases);
if (!ent) {
- error("denying non-fast-forward %s"
- " (you should pull first)", name);
+ rp_error("denying non-fast-forward %s"
+ " (you should pull first)", name);
return "non-fast-forward";
}
}
if (run_update_hook(cmd)) {
- error("hook declined to update %s", name);
+ rp_error("hook declined to update %s", name);
return "hook declined";
}
if (is_null_sha1(new_sha1)) {
if (!parse_object(old_sha1)) {
- warning ("Allowing deletion of corrupt ref.");
+ rp_warning("Allowing deletion of corrupt ref.");
old_sha1 = NULL;
}
if (delete_ref(name, old_sha1, 0)) {
- error("failed to delete %s", name);
+ rp_error("failed to delete %s", name);
return "failed to delete";
}
return NULL; /* good */
else {
lock = lock_any_ref_for_update(name, old_sha1, 0);
if (!lock) {
- error("failed to lock %s", name);
+ rp_error("failed to lock %s", name);
return "failed to lock";
}
if (write_ref_sha1(lock, new_sha1, "push")) {
static void run_update_post_hook(struct command *cmd)
{
struct command *cmd_p;
- int argc, status;
+ int argc;
const char **argv;
+ struct child_process proc;
for (argc = 0, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
if (cmd_p->error_string)
argc++;
}
argv[argc] = NULL;
- status = run_command_v_opt(argv, RUN_COMMAND_NO_STDIN
- | RUN_COMMAND_STDOUT_TO_STDERR);
+
+ memset(&proc, 0, sizeof(proc));
+ proc.no_stdin = 1;
+ proc.stdout_to_stderr = 1;
+ proc.err = use_sideband ? -1 : 0;
+ proc.argv = argv;
+
+ if (!start_command(&proc)) {
+ if (use_sideband)
+ copy_to_sideband(proc.err, -1, NULL);
+ finish_command(&proc);
+ }
}
static void execute_commands(const char *unpacker_error)
if (reflen + 82 < len) {
if (strstr(refname + reflen + 1, "report-status"))
report_status = 1;
+ if (strstr(refname + reflen + 1, "side-band-64k"))
+ use_sideband = LARGE_PACKET_MAX;
}
cmd = xmalloc(sizeof(struct command) + len - 80);
hashcpy(cmd->old_sha1, old_sha1);
static void report(const char *unpack_status)
{
struct command *cmd;
- packet_write(1, "unpack %s\n",
- unpack_status ? unpack_status : "ok");
+ struct strbuf buf = STRBUF_INIT;
+
+ packet_buf_write(&buf, "unpack %s\n",
+ unpack_status ? unpack_status : "ok");
for (cmd = commands; cmd; cmd = cmd->next) {
if (!cmd->error_string)
- packet_write(1, "ok %s\n",
- cmd->ref_name);
+ packet_buf_write(&buf, "ok %s\n",
+ cmd->ref_name);
else
- packet_write(1, "ng %s %s\n",
- cmd->ref_name, cmd->error_string);
+ packet_buf_write(&buf, "ng %s %s\n",
+ cmd->ref_name, cmd->error_string);
}
- packet_flush(1);
+ packet_buf_flush(&buf);
+
+ if (use_sideband)
+ send_sideband(1, 1, buf.buf, buf.len, use_sideband);
+ else
+ safe_write(1, buf.buf, buf.len);
+ strbuf_release(&buf);
}
static int delete_only(struct command *cmd)
else if (0 <= receive_unpack_limit)
unpack_limit = receive_unpack_limit;
- capabilities_to_send = (prefer_ofs_delta) ?
- " report-status delete-refs ofs-delta " :
- " report-status delete-refs ";
-
if (advertise_refs || !stateless_rpc) {
add_alternate_refs();
write_head_info();
if (auto_update_server_info)
update_server_info(0);
}
+ if (use_sideband)
+ packet_flush(1);
return 0;
}
projects / thirdparty / git.git / blobdiff