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-rw-r--r--transport.c283
1 files changed, 265 insertions, 18 deletions
diff --git a/transport.c b/transport.c
index 9ae92cd..3dfb03c 100644
--- a/transport.c
+++ b/transport.c
@@ -143,7 +143,7 @@ static const char *rsync_url(const char *url)
return prefixcmp(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
}
-static struct ref *get_refs_via_rsync(struct transport *transport)
+static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
{
struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
struct ref dummy, *tail = &dummy;
@@ -151,6 +151,9 @@ static struct ref *get_refs_via_rsync(struct transport *transport)
const char *args[5];
int temp_dir_len;
+ if (for_push)
+ return NULL;
+
/* copy the refs to the temporary directory */
strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
@@ -429,7 +432,7 @@ static int curl_transport_push(struct transport *transport, int refspec_nr, cons
return !!err;
}
-static struct ref *get_refs_via_curl(struct transport *transport)
+static struct ref *get_refs_via_curl(struct transport *transport, int for_push)
{
struct strbuf buffer = STRBUF_INIT;
char *data, *start, *mid;
@@ -446,6 +449,9 @@ static struct ref *get_refs_via_curl(struct transport *transport)
struct walker *walker;
+ if (for_push)
+ return NULL;
+
if (!transport->data)
transport->data = get_http_walker(transport->url,
transport->remote);
@@ -532,12 +538,15 @@ struct bundle_transport_data {
struct bundle_header header;
};
-static struct ref *get_refs_from_bundle(struct transport *transport)
+static struct ref *get_refs_from_bundle(struct transport *transport, int for_push)
{
struct bundle_transport_data *data = transport->data;
struct ref *result = NULL;
int i;
+ if (for_push)
+ return NULL;
+
if (data->fd > 0)
close(data->fd);
data->fd = read_bundle_header(transport->url, &data->header);
@@ -578,6 +587,7 @@ struct git_transport_data {
int fd[2];
const char *uploadpack;
const char *receivepack;
+ struct extra_have_objects extra_have;
};
static int set_git_option(struct transport *connection,
@@ -609,20 +619,23 @@ static int set_git_option(struct transport *connection,
return 1;
}
-static int connect_setup(struct transport *transport)
+static int connect_setup(struct transport *transport, int for_push, int verbose)
{
struct git_transport_data *data = transport->data;
- data->conn = git_connect(data->fd, transport->url, data->uploadpack, 0);
+ data->conn = git_connect(data->fd, transport->url,
+ for_push ? data->receivepack : data->uploadpack,
+ verbose ? CONNECT_VERBOSE : 0);
return 0;
}
-static struct ref *get_refs_via_connect(struct transport *transport)
+static struct ref *get_refs_via_connect(struct transport *transport, int for_push)
{
struct git_transport_data *data = transport->data;
struct ref *refs;
- connect_setup(transport);
- get_remote_heads(data->fd[0], &refs, 0, NULL, 0, NULL);
+ connect_setup(transport, for_push, 0);
+ get_remote_heads(data->fd[0], &refs, 0, NULL,
+ for_push ? REF_NORMAL : 0, &data->extra_have);
return refs;
}
@@ -654,7 +667,7 @@ static int fetch_refs_via_pack(struct transport *transport,
origh[i] = heads[i] = xstrdup(to_fetch[i]->name);
if (!data->conn) {
- connect_setup(transport);
+ connect_setup(transport, 0, 0);
get_remote_heads(data->fd[0], &refs_tmp, 0, NULL, 0, NULL);
}
@@ -677,20 +690,216 @@ static int fetch_refs_via_pack(struct transport *transport,
return (refs ? 0 : -1);
}
-static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags)
+static int refs_pushed(struct ref *ref)
+{
+ for (; ref; ref = ref->next) {
+ switch(ref->status) {
+ case REF_STATUS_NONE:
+ case REF_STATUS_UPTODATE:
+ break;
+ default:
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static void update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
+{
+ struct refspec rs;
+
+ if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
+ return;
+
+ rs.src = ref->name;
+ rs.dst = NULL;
+
+ if (!remote_find_tracking(remote, &rs)) {
+ if (verbose)
+ fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
+ if (ref->deletion) {
+ delete_ref(rs.dst, NULL, 0);
+ } else
+ update_ref("update by push", rs.dst,
+ ref->new_sha1, NULL, 0, 0);
+ free(rs.dst);
+ }
+}
+
+#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
+
+static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg)
+{
+ fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
+ if (from)
+ fprintf(stderr, "%s -> %s", prettify_ref(from), prettify_ref(to));
+ else
+ fputs(prettify_ref(to), stderr);
+ if (msg) {
+ fputs(" (", stderr);
+ fputs(msg, stderr);
+ fputc(')', stderr);
+ }
+ fputc('\n', stderr);
+}
+
+static const char *status_abbrev(unsigned char sha1[20])
+{
+ return find_unique_abbrev(sha1, DEFAULT_ABBREV);
+}
+
+static void print_ok_ref_status(struct ref *ref)
+{
+ if (ref->deletion)
+ print_ref_status('-', "[deleted]", ref, NULL, NULL);
+ else if (is_null_sha1(ref->old_sha1))
+ print_ref_status('*',
+ (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
+ "[new branch]"),
+ ref, ref->peer_ref, NULL);
+ else {
+ char quickref[84];
+ char type;
+ const char *msg;
+
+ strcpy(quickref, status_abbrev(ref->old_sha1));
+ if (ref->nonfastforward) {
+ strcat(quickref, "...");
+ type = '+';
+ msg = "forced update";
+ } else {
+ strcat(quickref, "..");
+ type = ' ';
+ msg = NULL;
+ }
+ strcat(quickref, status_abbrev(ref->new_sha1));
+
+ print_ref_status(type, quickref, ref, ref->peer_ref, msg);
+ }
+}
+
+static int print_one_push_status(struct ref *ref, const char *dest, int count)
+{
+ if (!count)
+ fprintf(stderr, "To %s\n", dest);
+
+ switch(ref->status) {
+ case REF_STATUS_NONE:
+ print_ref_status('X', "[no match]", ref, NULL, NULL);
+ break;
+ case REF_STATUS_REJECT_NODELETE:
+ print_ref_status('!', "[rejected]", ref, NULL,
+ "remote does not support deleting refs");
+ break;
+ case REF_STATUS_UPTODATE:
+ print_ref_status('=', "[up to date]", ref,
+ ref->peer_ref, NULL);
+ break;
+ case REF_STATUS_REJECT_NONFASTFORWARD:
+ print_ref_status('!', "[rejected]", ref, ref->peer_ref,
+ "non-fast forward");
+ break;
+ case REF_STATUS_REMOTE_REJECT:
+ print_ref_status('!', "[remote rejected]", ref,
+ ref->deletion ? NULL : ref->peer_ref,
+ ref->remote_status);
+ break;
+ case REF_STATUS_EXPECTING_REPORT:
+ print_ref_status('!', "[remote failure]", ref,
+ ref->deletion ? NULL : ref->peer_ref,
+ "remote failed to report status");
+ break;
+ case REF_STATUS_OK:
+ print_ok_ref_status(ref);
+ break;
+ }
+
+ return 1;
+}
+
+static void print_push_status(const char *dest, struct ref *refs, int verbose)
+{
+ struct ref *ref;
+ int n = 0;
+
+ if (verbose) {
+ for (ref = refs; ref; ref = ref->next)
+ if (ref->status == REF_STATUS_UPTODATE)
+ n += print_one_push_status(ref, dest, n);
+ }
+
+ for (ref = refs; ref; ref = ref->next)
+ if (ref->status == REF_STATUS_OK)
+ n += print_one_push_status(ref, dest, n);
+
+ for (ref = refs; ref; ref = ref->next) {
+ if (ref->status != REF_STATUS_NONE &&
+ ref->status != REF_STATUS_UPTODATE &&
+ ref->status != REF_STATUS_OK)
+ n += print_one_push_status(ref, dest, n);
+ }
+}
+
+static void verify_remote_names(int nr_heads, const char **heads)
+{
+ int i;
+
+ for (i = 0; i < nr_heads; i++) {
+ const char *local = heads[i];
+ const char *remote = strrchr(heads[i], ':');
+
+ if (*local == '+')
+ local++;
+
+ /* A matching refspec is okay. */
+ if (remote == local && remote[1] == '\0')
+ continue;
+
+ remote = remote ? (remote + 1) : local;
+ switch (check_ref_format(remote)) {
+ case 0: /* ok */
+ case CHECK_REF_FORMAT_ONELEVEL:
+ /* ok but a single level -- that is fine for
+ * a match pattern.
+ */
+ case CHECK_REF_FORMAT_WILDCARD:
+ /* ok but ends with a pattern-match character */
+ continue;
+ }
+ die("remote part of refspec is not a valid name in %s",
+ heads[i]);
+ }
+}
+
+static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)
{
struct git_transport_data *data = transport->data;
struct send_pack_args args;
+ int ret;
+
+ if (!data->conn) {
+ struct ref *tmp_refs;
+ connect_setup(transport, 1, 0);
+
+ get_remote_heads(data->fd[0], &tmp_refs, 0, NULL, REF_NORMAL,
+ NULL);
+ }
- args.receivepack = data->receivepack;
- args.send_all = !!(flags & TRANSPORT_PUSH_ALL);
args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
args.use_thin_pack = data->thin;
args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE);
args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
- return send_pack(&args, transport->url, transport->remote, refspec_nr, refspec);
+ ret = send_pack(&args, data->fd, data->conn, remote_refs,
+ &data->extra_have);
+
+ close(data->fd[1]);
+ close(data->fd[0]);
+ ret |= finish_connect(data->conn);
+ data->conn = NULL;
+
+ return ret;
}
static int disconnect_git(struct transport *transport)
@@ -760,7 +969,7 @@ struct transport *transport_get(struct remote *remote, const char *url)
ret->set_option = set_git_option;
ret->get_refs_list = get_refs_via_connect;
ret->fetch = fetch_refs_via_pack;
- ret->push = git_transport_push;
+ ret->push_refs = git_transport_push;
ret->disconnect = disconnect_git;
data->thin = 1;
@@ -787,15 +996,53 @@ int transport_set_option(struct transport *transport,
int transport_push(struct transport *transport,
int refspec_nr, const char **refspec, int flags)
{
- if (!transport->push)
- return 1;
- return transport->push(transport, refspec_nr, refspec, flags);
+ verify_remote_names(refspec_nr, refspec);
+
+ if (transport->push)
+ return transport->push(transport, refspec_nr, refspec, flags);
+ if (transport->push_refs) {
+ struct ref *remote_refs =
+ transport->get_refs_list(transport, 1);
+ struct ref **remote_tail;
+ struct ref *local_refs = get_local_heads();
+ int match_flags = MATCH_REFS_NONE;
+ int verbose = flags & TRANSPORT_PUSH_VERBOSE;
+ int ret;
+
+ if (flags & TRANSPORT_PUSH_ALL)
+ match_flags |= MATCH_REFS_ALL;
+ if (flags & TRANSPORT_PUSH_MIRROR)
+ match_flags |= MATCH_REFS_MIRROR;
+
+ remote_tail = &remote_refs;
+ while (*remote_tail)
+ remote_tail = &((*remote_tail)->next);
+ if (match_refs(local_refs, remote_refs, &remote_tail,
+ refspec_nr, refspec, match_flags)) {
+ return -1;
+ }
+
+ ret = transport->push_refs(transport, remote_refs, flags);
+
+ print_push_status(transport->url, remote_refs, verbose);
+
+ if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
+ struct ref *ref;
+ for (ref = remote_refs; ref; ref = ref->next)
+ update_tracking_ref(transport->remote, ref, verbose);
+ }
+
+ if (!ret && !refs_pushed(remote_refs))
+ fprintf(stderr, "Everything up-to-date\n");
+ return ret;
+ }
+ return 1;
}
const struct ref *transport_get_remote_refs(struct transport *transport)
{
if (!transport->remote_refs)
- transport->remote_refs = transport->get_refs_list(transport);
+ transport->remote_refs = transport->get_refs_list(transport, 0);
return transport->remote_refs;
}