#include "cache.h"
#include "transport.h"
-
+#include "quote.h"
#include "run-command.h"
#include "commit.h"
#include "diff.h"
#include "revision.h"
#include "quote.h"
+#include "remote.h"
struct helper_data
{
struct child_process *helper;
FILE *out;
unsigned fetch : 1,
- option : 1;
+ import : 1,
+ option : 1,
+ push : 1;
+ /* These go from remote name (as in "list") to private name */
+ struct refspec *refspecs;
+ int refspec_nr;
};
static struct child_process *get_helper(struct transport *transport)
struct helper_data *data = transport->data;
struct strbuf buf = STRBUF_INIT;
struct child_process *helper;
+ const char **refspecs = NULL;
+ int refspec_nr = 0;
+ int refspec_alloc = 0;
if (data->helper)
return data->helper;
data->fetch = 1;
if (!strcmp(buf.buf, "option"))
data->option = 1;
+ if (!strcmp(buf.buf, "push"))
+ data->push = 1;
+ if (!strcmp(buf.buf, "import"))
+ data->import = 1;
+ if (!data->refspecs && !prefixcmp(buf.buf, "refspec ")) {
+ ALLOC_GROW(refspecs,
+ refspec_nr + 1,
+ refspec_alloc);
+ refspecs[refspec_nr++] = strdup(buf.buf + strlen("refspec "));
+ }
}
+ if (refspecs) {
+ int i;
+ data->refspec_nr = refspec_nr;
+ data->refspecs = parse_fetch_refspec(refspec_nr, refspecs);
+ for (i = 0; i < refspec_nr; i++) {
+ free((char *)refspecs[i]);
+ }
+ free(refspecs);
+ }
+ strbuf_release(&buf);
return data->helper;
}
free(data->helper);
data->helper = NULL;
}
- free(data);
return 0;
}
set_helper_option(t, "verbosity", buf);
}
+static int release_helper(struct transport *transport)
+{
+ struct helper_data *data = transport->data;
+ free_refspec(data->refspec_nr, data->refspecs);
+ data->refspecs = NULL;
+ disconnect_helper(transport);
+ free(transport->data);
+ return 0;
+}
+
static int fetch_with_fetch(struct transport *transport,
- int nr_heads, const struct ref **to_fetch)
+ int nr_heads, struct ref **to_fetch)
{
struct helper_data *data = transport->data;
int i;
return 0;
}
+static int get_importer(struct transport *transport, struct child_process *fastimport)
+{
+ struct child_process *helper = get_helper(transport);
+ memset(fastimport, 0, sizeof(*fastimport));
+ fastimport->in = helper->out;
+ fastimport->argv = xcalloc(5, sizeof(*fastimport->argv));
+ fastimport->argv[0] = "fast-import";
+ fastimport->argv[1] = "--quiet";
+
+ fastimport->git_cmd = 1;
+ return start_command(fastimport);
+}
+
+static int fetch_with_import(struct transport *transport,
+ int nr_heads, struct ref **to_fetch)
+{
+ struct child_process fastimport;
+ struct child_process *helper = get_helper(transport);
+ struct helper_data *data = transport->data;
+ int i;
+ struct ref *posn;
+ struct strbuf buf = STRBUF_INIT;
+
+ if (get_importer(transport, &fastimport))
+ die("Couldn't run fast-import");
+
+ for (i = 0; i < nr_heads; i++) {
+ posn = to_fetch[i];
+ if (posn->status & REF_STATUS_UPTODATE)
+ continue;
+
+ strbuf_addf(&buf, "import %s\n", posn->name);
+ write_in_full(helper->in, buf.buf, buf.len);
+ strbuf_reset(&buf);
+ }
+ disconnect_helper(transport);
+ finish_command(&fastimport);
+ free(fastimport.argv);
+ fastimport.argv = NULL;
+
+ for (i = 0; i < nr_heads; i++) {
+ char *private;
+ posn = to_fetch[i];
+ if (posn->status & REF_STATUS_UPTODATE)
+ continue;
+ if (data->refspecs)
+ private = apply_refspecs(data->refspecs, data->refspec_nr, posn->name);
+ else
+ private = strdup(posn->name);
+ read_ref(private, posn->old_sha1);
+ free(private);
+ }
+ strbuf_release(&buf);
+ return 0;
+}
+
static int fetch(struct transport *transport,
- int nr_heads, const struct ref **to_fetch)
+ int nr_heads, struct ref **to_fetch)
{
struct helper_data *data = transport->data;
int i, count;
if (data->fetch)
return fetch_with_fetch(transport, nr_heads, to_fetch);
+ if (data->import)
+ return fetch_with_import(transport, nr_heads, to_fetch);
+
return -1;
}
+static int push_refs(struct transport *transport,
+ struct ref *remote_refs, int flags)
+{
+ int force_all = flags & TRANSPORT_PUSH_FORCE;
+ int mirror = flags & TRANSPORT_PUSH_MIRROR;
+ struct helper_data *data = transport->data;
+ struct strbuf buf = STRBUF_INIT;
+ struct child_process *helper;
+ struct ref *ref;
+
+ if (!remote_refs)
+ return 0;
+
+ helper = get_helper(transport);
+ if (!data->push)
+ return 1;
+
+ for (ref = remote_refs; ref; ref = ref->next) {
+ if (ref->peer_ref)
+ hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+ else if (!mirror)
+ continue;
+
+ ref->deletion = is_null_sha1(ref->new_sha1);
+ if (!ref->deletion &&
+ !hashcmp(ref->old_sha1, ref->new_sha1)) {
+ ref->status = REF_STATUS_UPTODATE;
+ continue;
+ }
+
+ if (force_all)
+ ref->force = 1;
+
+ strbuf_addstr(&buf, "push ");
+ if (!ref->deletion) {
+ if (ref->force)
+ strbuf_addch(&buf, '+');
+ if (ref->peer_ref)
+ strbuf_addstr(&buf, ref->peer_ref->name);
+ else
+ strbuf_addstr(&buf, sha1_to_hex(ref->new_sha1));
+ }
+ strbuf_addch(&buf, ':');
+ strbuf_addstr(&buf, ref->name);
+ strbuf_addch(&buf, '\n');
+ }
+ if (buf.len == 0)
+ return 0;
+
+ transport->verbose = flags & TRANSPORT_PUSH_VERBOSE ? 1 : 0;
+ standard_options(transport);
+
+ if (flags & TRANSPORT_PUSH_DRY_RUN) {
+ if (set_helper_option(transport, "dry-run", "true") != 0)
+ die("helper %s does not support dry-run", data->name);
+ }
+
+ strbuf_addch(&buf, '\n');
+ if (write_in_full(helper->in, buf.buf, buf.len) != buf.len)
+ exit(128);
+
+ ref = remote_refs;
+ while (1) {
+ char *refname, *msg;
+ int status;
+
+ strbuf_reset(&buf);
+ if (strbuf_getline(&buf, data->out, '\n') == EOF)
+ exit(128); /* child died, message supplied already */
+ if (!buf.len)
+ break;
+
+ if (!prefixcmp(buf.buf, "ok ")) {
+ status = REF_STATUS_OK;
+ refname = buf.buf + 3;
+ } else if (!prefixcmp(buf.buf, "error ")) {
+ status = REF_STATUS_REMOTE_REJECT;
+ refname = buf.buf + 6;
+ } else
+ die("expected ok/error, helper said '%s'\n", buf.buf);
+
+ msg = strchr(refname, ' ');
+ if (msg) {
+ struct strbuf msg_buf = STRBUF_INIT;
+ const char *end;
+
+ *msg++ = '\0';
+ if (!unquote_c_style(&msg_buf, msg, &end))
+ msg = strbuf_detach(&msg_buf, NULL);
+ else
+ msg = xstrdup(msg);
+ strbuf_release(&msg_buf);
+
+ if (!strcmp(msg, "no match")) {
+ status = REF_STATUS_NONE;
+ free(msg);
+ msg = NULL;
+ }
+ else if (!strcmp(msg, "up to date")) {
+ status = REF_STATUS_UPTODATE;
+ free(msg);
+ msg = NULL;
+ }
+ else if (!strcmp(msg, "non-fast forward")) {
+ status = REF_STATUS_REJECT_NONFASTFORWARD;
+ free(msg);
+ msg = NULL;
+ }
+ }
+
+ if (ref)
+ ref = find_ref_by_name(ref, refname);
+ if (!ref)
+ ref = find_ref_by_name(remote_refs, refname);
+ if (!ref) {
+ warning("helper reported unexpected status of %s", refname);
+ continue;
+ }
+
+ ref->status = status;
+ ref->remote_status = msg;
+ }
+ strbuf_release(&buf);
+ return 0;
+}
+
+static int has_attribute(const char *attrs, const char *attr) {
+ int len;
+ if (!attrs)
+ return 0;
+
+ len = strlen(attr);
+ for (;;) {
+ const char *space = strchrnul(attrs, ' ');
+ if (len == space - attrs && !strncmp(attrs, attr, len))
+ return 1;
+ if (!*space)
+ return 0;
+ attrs = space + 1;
+ }
+}
+
static struct ref *get_refs_list(struct transport *transport, int for_push)
{
struct helper_data *data = transport->data;
helper = get_helper(transport);
- write_str_in_full(helper->in, "list\n");
+ if (data->push && for_push)
+ write_str_in_full(helper->in, "list for-push\n");
+ else
+ write_str_in_full(helper->in, "list\n");
while (1) {
char *eov, *eon;
(*tail)->symref = xstrdup(buf.buf + 1);
else if (buf.buf[0] != '?')
get_sha1_hex(buf.buf, (*tail)->old_sha1);
+ if (eon) {
+ if (has_attribute(eon + 1, "unchanged")) {
+ (*tail)->status |= REF_STATUS_UPTODATE;
+ read_ref((*tail)->name, (*tail)->old_sha1);
+ }
+ }
tail = &((*tail)->next);
}
strbuf_release(&buf);
transport->set_option = set_helper_option;
transport->get_refs_list = get_refs_list;
transport->fetch = fetch;
- transport->disconnect = disconnect_helper;
+ transport->push_refs = push_refs;
+ transport->disconnect = release_helper;
return 0;
}