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#include "cache.h"
#include "transport.h"
#include "run-command.h"
static const struct transport_ops rsync_transport;
static int curl_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) {
const char **argv;
int argc;
int err;
argv = xmalloc((refspec_nr + 11) * sizeof(char *));
argv[0] = "http-push";
argc = 1;
if (flags & TRANSPORT_PUSH_ALL)
argv[argc++] = "--all";
if (flags & TRANSPORT_PUSH_FORCE)
argv[argc++] = "--force";
argv[argc++] = transport->url;
while (refspec_nr--)
argv[argc++] = *refspec++;
argv[argc] = NULL;
err = run_command_v_opt(argv, RUN_GIT_CMD);
switch (err) {
case -ERR_RUN_COMMAND_FORK:
error("unable to fork for %s", argv[0]);
case -ERR_RUN_COMMAND_EXEC:
error("unable to exec %s", argv[0]);
break;
case -ERR_RUN_COMMAND_WAITPID:
case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
error("%s died with strange error", argv[0]);
}
return !!err;
}
static const struct transport_ops curl_transport = {
/* set_option */ NULL,
/* push */ curl_transport_push
};
static const struct transport_ops bundle_transport = {
};
struct git_transport_data {
unsigned thin : 1;
const char *receivepack;
};
static int set_git_option(struct transport *connection,
const char *name, const char *value)
{
struct git_transport_data *data = connection->data;
if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) {
data->receivepack = value;
return 0;
} else if (!strcmp(name, TRANS_OPT_THIN)) {
data->thin = !!value;
return 0;
}
return 1;
}
static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) {
struct git_transport_data *data = transport->data;
const char **argv;
char *rem;
int argc;
int err;
argv = xmalloc((refspec_nr + 11) * sizeof(char *));
argv[0] = "send-pack";
argc = 1;
if (flags & TRANSPORT_PUSH_ALL)
argv[argc++] = "--all";
if (flags & TRANSPORT_PUSH_FORCE)
argv[argc++] = "--force";
if (data->receivepack) {
char *rp = xmalloc(strlen(data->receivepack) + 16);
sprintf(rp, "--receive-pack=%s", data->receivepack);
argv[argc++] = rp;
}
if (data->thin)
argv[argc++] = "--thin";
rem = xmalloc(strlen(transport->remote->name) + 10);
sprintf(rem, "--remote=%s", transport->remote->name);
argv[argc++] = rem;
argv[argc++] = transport->url;
while (refspec_nr--)
argv[argc++] = *refspec++;
argv[argc] = NULL;
err = run_command_v_opt(argv, RUN_GIT_CMD);
switch (err) {
case -ERR_RUN_COMMAND_FORK:
error("unable to fork for %s", argv[0]);
case -ERR_RUN_COMMAND_EXEC:
error("unable to exec %s", argv[0]);
break;
case -ERR_RUN_COMMAND_WAITPID:
case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
error("%s died with strange error", argv[0]);
}
return !!err;
}
static const struct transport_ops git_transport = {
/* set_option */ set_git_option,
/* push */ git_transport_push
};
static int is_local(const char *url)
{
const char *colon = strchr(url, ':');
const char *slash = strchr(url, '/');
return !colon || (slash && slash < colon);
}
static int is_file(const char *url)
{
struct stat buf;
if (stat(url, &buf))
return 0;
return S_ISREG(buf.st_mode);
}
struct transport *transport_get(struct remote *remote, const char *url,
int fetch)
{
struct transport *ret = NULL;
if (!prefixcmp(url, "rsync://")) {
ret = xmalloc(sizeof(*ret));
ret->data = NULL;
ret->ops = &rsync_transport;
} else if (!prefixcmp(url, "http://") || !prefixcmp(url, "https://") ||
!prefixcmp(url, "ftp://")) {
ret = xmalloc(sizeof(*ret));
ret->ops = &curl_transport;
ret->data = NULL;
} else if (is_local(url) && is_file(url)) {
ret = xmalloc(sizeof(*ret));
ret->data = NULL;
ret->ops = &bundle_transport;
} else {
struct git_transport_data *data = xcalloc(1, sizeof(*data));
ret = xcalloc(1, sizeof(*ret));
ret->data = data;
data->thin = 1;
data->receivepack = "git-receive-pack";
if (remote && remote->receivepack)
data->receivepack = remote->receivepack;
ret->ops = &git_transport;
}
if (ret) {
ret->remote = remote;
ret->url = url;
ret->fetch = !!fetch;
}
return ret;
}
int transport_set_option(struct transport *transport,
const char *name, const char *value)
{
int ret = 1;
if (transport->ops->set_option)
ret = transport->ops->set_option(transport, name, value);
if (ret < 0)
fprintf(stderr, "For '%s' option %s cannot be set to '%s'\n",
transport->url, name, value);
if (ret > 0)
fprintf(stderr, "For '%s' option %s is ignored\n",
transport->url, name);
return ret;
}
int transport_push(struct transport *transport,
int refspec_nr, const char **refspec, int flags)
{
if (!transport->ops->push)
return 1;
return transport->ops->push(transport, refspec_nr, refspec, flags);
}
int transport_disconnect(struct transport *transport)
{
int ret = 0;
if (transport->ops->disconnect)
ret = transport->ops->disconnect(transport);
free(transport);
return ret;
}
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