revision: mark non-user-given objects instead
[gitweb.git] / transport.c
index 94eccf29aa3f9758f5acaa9daddedcd559ad3915..b64b7bcb86f3c807d6a0dcd1dce26c7ee7fbb966 100644 (file)
@@ -11,6 +11,7 @@
 #include "bundle.h"
 #include "dir.h"
 #include "refs.h"
+#include "refspec.h"
 #include "branch.h"
 #include "url.h"
 #include "submodule.h"
 #include "sha1-array.h"
 #include "sigchain.h"
 #include "transport-internal.h"
+#include "protocol.h"
 #include "object-store.h"
+#include "color.h"
+
+static int transport_use_color = -1;
+static char transport_colors[][COLOR_MAXLEN] = {
+       GIT_COLOR_RESET,
+       GIT_COLOR_RED           /* REJECTED */
+};
+
+enum color_transport {
+       TRANSPORT_COLOR_RESET = 0,
+       TRANSPORT_COLOR_REJECTED = 1
+};
+
+static int transport_color_config(void)
+{
+       const char *keys[] = {
+               "color.transport.reset",
+               "color.transport.rejected"
+       }, *key = "color.transport";
+       char *value;
+       int i;
+       static int initialized;
+
+       if (initialized)
+               return 0;
+       initialized = 1;
+
+       if (!git_config_get_string(key, &value))
+               transport_use_color = git_config_colorbool(key, value);
+
+       if (!want_color_stderr(transport_use_color))
+               return 0;
+
+       for (i = 0; i < ARRAY_SIZE(keys); i++)
+               if (!git_config_get_string(keys[i], &value)) {
+                       if (!value)
+                               return config_error_nonbool(keys[i]);
+                       if (color_parse(value, transport_colors[i]) < 0)
+                               return -1;
+               }
+
+       return 0;
+}
+
+static const char *transport_get_color(enum color_transport ix)
+{
+       if (want_color_stderr(transport_use_color))
+               return transport_colors[ix];
+       return "";
+}
 
 static void set_upstreams(struct transport *transport, struct ref *refs,
        int pretend)
@@ -72,7 +124,9 @@ struct bundle_transport_data {
        struct bundle_header header;
 };
 
-static struct ref *get_refs_from_bundle(struct transport *transport, int for_push)
+static struct ref *get_refs_from_bundle(struct transport *transport,
+                                       int for_push,
+                                       const struct argv_array *ref_prefixes)
 {
        struct bundle_transport_data *data = transport->data;
        struct ref *result = NULL;
@@ -97,7 +151,8 @@ static struct ref *get_refs_from_bundle(struct transport *transport, int for_pus
 }
 
 static int fetch_refs_from_bundle(struct transport *transport,
-                              int nr_heads, struct ref **to_fetch)
+                              int nr_heads, struct ref **to_fetch,
+                              struct ref **fetched_refs)
 {
        struct bundle_transport_data *data = transport->data;
        return unbundle(&data->header, data->fd,
@@ -118,6 +173,7 @@ struct git_transport_data {
        struct child_process *conn;
        int fd[2];
        unsigned got_remote_heads : 1;
+       enum protocol_version version;
        struct oid_array extra_have;
        struct oid_array shallow;
 };
@@ -197,27 +253,47 @@ static int connect_setup(struct transport *transport, int for_push)
        return 0;
 }
 
-static struct ref *get_refs_via_connect(struct transport *transport, int for_push)
+static struct ref *get_refs_via_connect(struct transport *transport, int for_push,
+                                       const struct argv_array *ref_prefixes)
 {
        struct git_transport_data *data = transport->data;
-       struct ref *refs;
+       struct ref *refs = NULL;
+       struct packet_reader reader;
 
        connect_setup(transport, for_push);
-       get_remote_heads(data->fd[0], NULL, 0, &refs,
-                        for_push ? REF_NORMAL : 0,
-                        &data->extra_have,
-                        &data->shallow);
+
+       packet_reader_init(&reader, data->fd[0], NULL, 0,
+                          PACKET_READ_CHOMP_NEWLINE |
+                          PACKET_READ_GENTLE_ON_EOF);
+
+       data->version = discover_version(&reader);
+       switch (data->version) {
+       case protocol_v2:
+               get_remote_refs(data->fd[1], &reader, &refs, for_push,
+                               ref_prefixes, transport->server_options);
+               break;
+       case protocol_v1:
+       case protocol_v0:
+               get_remote_heads(&reader, &refs,
+                                for_push ? REF_NORMAL : 0,
+                                &data->extra_have,
+                                &data->shallow);
+               break;
+       case protocol_unknown_version:
+               BUG("unknown protocol version");
+       }
        data->got_remote_heads = 1;
 
        return refs;
 }
 
 static int fetch_refs_via_pack(struct transport *transport,
-                              int nr_heads, struct ref **to_fetch)
+                              int nr_heads, struct ref **to_fetch,
+                              struct ref **fetched_refs)
 {
        int ret = 0;
        struct git_transport_data *data = transport->data;
-       struct ref *refs;
+       struct ref *refs = NULL;
        char *dest = xstrdup(transport->url);
        struct fetch_pack_args args;
        struct ref *refs_tmp = NULL;
@@ -242,18 +318,31 @@ static int fetch_refs_via_pack(struct transport *transport,
        args.from_promisor = data->options.from_promisor;
        args.no_dependents = data->options.no_dependents;
        args.filter_options = data->options.filter_options;
-
-       if (!data->got_remote_heads) {
-               connect_setup(transport, 0);
-               get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
-                                NULL, &data->shallow);
-               data->got_remote_heads = 1;
+       args.stateless_rpc = transport->stateless_rpc;
+       args.server_options = transport->server_options;
+       args.negotiation_tips = data->options.negotiation_tips;
+
+       if (!data->got_remote_heads)
+               refs_tmp = get_refs_via_connect(transport, 0, NULL);
+
+       switch (data->version) {
+       case protocol_v2:
+               refs = fetch_pack(&args, data->fd, data->conn,
+                                 refs_tmp ? refs_tmp : transport->remote_refs,
+                                 dest, to_fetch, nr_heads, &data->shallow,
+                                 &transport->pack_lockfile, data->version);
+               break;
+       case protocol_v1:
+       case protocol_v0:
+               refs = fetch_pack(&args, data->fd, data->conn,
+                                 refs_tmp ? refs_tmp : transport->remote_refs,
+                                 dest, to_fetch, nr_heads, &data->shallow,
+                                 &transport->pack_lockfile, data->version);
+               break;
+       case protocol_unknown_version:
+               BUG("unknown protocol version");
        }
 
-       refs = fetch_pack(&args, data->fd, data->conn,
-                         refs_tmp ? refs_tmp : transport->remote_refs,
-                         dest, to_fetch, nr_heads, &data->shallow,
-                         &transport->pack_lockfile);
        close(data->fd[0]);
        close(data->fd[1]);
        if (finish_connect(data->conn))
@@ -262,14 +351,19 @@ static int fetch_refs_via_pack(struct transport *transport,
        data->got_remote_heads = 0;
        data->options.self_contained_and_connected =
                args.self_contained_and_connected;
+       data->options.connectivity_checked = args.connectivity_checked;
 
        if (refs == NULL)
                ret = -1;
        if (report_unmatched_refs(to_fetch, nr_heads))
                ret = -1;
 
+       if (fetched_refs)
+               *fetched_refs = refs;
+       else
+               free_refs(refs);
+
        free_refs(refs_tmp);
-       free_refs(refs);
        free(dest);
        return ret;
 }
@@ -305,7 +399,7 @@ int transport_refs_pushed(struct ref *ref)
 
 void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
 {
-       struct refspec rs;
+       struct refspec_item rs;
 
        if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
                return;
@@ -339,7 +433,13 @@ static void print_ref_status(char flag, const char *summary,
                else
                        fprintf(stdout, "%s\n", summary);
        } else {
-               fprintf(stderr, " %c %-*s ", flag, summary_width, summary);
+               const char *red = "", *reset = "";
+               if (push_had_errors(to)) {
+                       red = transport_get_color(TRANSPORT_COLOR_REJECTED);
+                       reset = transport_get_color(TRANSPORT_COLOR_RESET);
+               }
+               fprintf(stderr, " %s%c %-*s%s ", red, flag, summary_width,
+                       summary, reset);
                if (from)
                        fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
                else
@@ -488,6 +588,9 @@ void transport_print_push_status(const char *dest, struct ref *refs,
        char *head;
        int summary_width = transport_summary_width(refs);
 
+       if (transport_color_config() < 0)
+               warning(_("could not parse transport.color.* config"));
+
        head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL);
 
        if (verbose) {
@@ -525,43 +628,17 @@ void transport_print_push_status(const char *dest, struct ref *refs,
        free(head);
 }
 
-void transport_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;
-               if (check_refname_format(remote,
-                               REFNAME_ALLOW_ONELEVEL|REFNAME_REFSPEC_PATTERN))
-                       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;
+       int ret = 0;
 
-       if (!data->got_remote_heads) {
-               struct ref *tmp_refs;
-               connect_setup(transport, 1);
+       if (transport_color_config() < 0)
+               return -1;
 
-               get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
-                                NULL, &data->shallow);
-               data->got_remote_heads = 1;
-       }
+       if (!data->got_remote_heads)
+               get_refs_via_connect(transport, 1, NULL);
 
        memset(&args, 0, sizeof(args));
        args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
@@ -583,8 +660,18 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
        else
                args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
 
-       ret = send_pack(&args, data->fd, data->conn, remote_refs,
-                       &data->extra_have);
+       switch (data->version) {
+       case protocol_v2:
+               die("support for protocol v2 not implemented yet");
+               break;
+       case protocol_v1:
+       case protocol_v0:
+               ret = send_pack(&args, data->fd, data->conn, remote_refs,
+                               &data->extra_have);
+               break;
+       case protocol_unknown_version:
+               BUG("unknown protocol version");
+       }
 
        close(data->fd[1]);
        close(data->fd[0]);
@@ -636,7 +723,7 @@ void transport_take_over(struct transport *transport,
        struct git_transport_data *data;
 
        if (!transport->smart_options)
-               die("BUG: taking over transport requires non-NULL "
+               BUG("taking over transport requires non-NULL "
                    "smart_options field.");
 
        data = xcalloc(1, sizeof(*data));
@@ -761,7 +848,7 @@ int is_transport_allowed(const char *type, int from_user)
                return from_user;
        }
 
-       die("BUG: invalid protocol_allow_config type");
+       BUG("invalid protocol_allow_config type");
 }
 
 void transport_check_allowed(const char *type)
@@ -992,11 +1079,13 @@ static int run_pre_push_hook(struct transport *transport,
 }
 
 int transport_push(struct transport *transport,
-                  int refspec_nr, const char **refspec, int flags,
+                  struct refspec *rs, int flags,
                   unsigned int *reject_reasons)
 {
        *reject_reasons = 0;
-       transport_verify_remote_names(refspec_nr, refspec);
+
+       if (transport_color_config() < 0)
+               return -1;
 
        if (transport->vtable->push_refs) {
                struct ref *remote_refs;
@@ -1007,11 +1096,17 @@ int transport_push(struct transport *transport,
                int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
                int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
                int push_ret, ret, err;
+               struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
 
-               if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
+               if (check_push_refs(local_refs, rs) < 0)
                        return -1;
 
-               remote_refs = transport->vtable->get_refs_list(transport, 1);
+               refspec_ref_prefixes(rs, &ref_prefixes);
+
+               remote_refs = transport->vtable->get_refs_list(transport, 1,
+                                                              &ref_prefixes);
+
+               argv_array_clear(&ref_prefixes);
 
                if (flags & TRANSPORT_PUSH_ALL)
                        match_flags |= MATCH_REFS_ALL;
@@ -1022,10 +1117,8 @@ int transport_push(struct transport *transport,
                if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
                        match_flags |= MATCH_REFS_FOLLOW_TAGS;
 
-               if (match_push_refs(local_refs, &remote_refs,
-                                   refspec_nr, refspec, match_flags)) {
+               if (match_push_refs(local_refs, &remote_refs, rs, match_flags))
                        return -1;
-               }
 
                if (transport->smart_options &&
                    transport->smart_options->cas &&
@@ -1054,7 +1147,7 @@ int transport_push(struct transport *transport,
 
                        if (!push_unpushed_submodules(&commits,
                                                      transport->remote,
-                                                     refspec, refspec_nr,
+                                                     rs,
                                                      transport->push_options,
                                                      pretend)) {
                                oid_array_clear(&commits);
@@ -1117,29 +1210,44 @@ int transport_push(struct transport *transport,
        return 1;
 }
 
-const struct ref *transport_get_remote_refs(struct transport *transport)
+const struct ref *transport_get_remote_refs(struct transport *transport,
+                                           const struct argv_array *ref_prefixes)
 {
        if (!transport->got_remote_refs) {
-               transport->remote_refs = transport->vtable->get_refs_list(transport, 0);
+               transport->remote_refs =
+                       transport->vtable->get_refs_list(transport, 0,
+                                                        ref_prefixes);
                transport->got_remote_refs = 1;
        }
 
        return transport->remote_refs;
 }
 
-int transport_fetch_refs(struct transport *transport, struct ref *refs)
+int transport_fetch_refs(struct transport *transport, struct ref *refs,
+                        struct ref **fetched_refs)
 {
        int rc;
        int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
        struct ref **heads = NULL;
+       struct ref *nop_head = NULL, **nop_tail = &nop_head;
        struct ref *rm;
 
        for (rm = refs; rm; rm = rm->next) {
                nr_refs++;
                if (rm->peer_ref &&
                    !is_null_oid(&rm->old_oid) &&
-                   !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid))
+                   !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid)) {
+                       /*
+                        * These need to be reported as fetched, but we don't
+                        * actually need to fetch them.
+                        */
+                       if (fetched_refs) {
+                               struct ref *nop_ref = copy_ref(rm);
+                               *nop_tail = nop_ref;
+                               nop_tail = &nop_ref->next;
+                       }
                        continue;
+               }
                ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
                heads[nr_heads++] = rm;
        }
@@ -1157,7 +1265,11 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs)
                        heads[nr_heads++] = rm;
        }
 
-       rc = transport->vtable->fetch(transport, nr_heads, heads);
+       rc = transport->vtable->fetch(transport, nr_heads, heads, fetched_refs);
+       if (fetched_refs && nop_head) {
+               *nop_tail = *fetched_refs;
+               *fetched_refs = nop_head;
+       }
 
        free(heads);
        return rc;