Merge branch 'mm/mv-file-to-no-such-dir-with-slash'
[gitweb.git] / transport-helper.c
index 63cabc37e37dd338d3d9ee0764f099840d937600..2010674bb4add9c09d02d703b5337a69b14a58a6 100644 (file)
@@ -27,7 +27,9 @@ struct helper_data {
                push : 1,
                connect : 1,
                signed_tags : 1,
-               no_disconnect_req : 1;
+               check_connectivity : 1,
+               no_disconnect_req : 1,
+               no_private_update : 1;
        char *export_marks;
        char *import_marks;
        /* These go from remote name (as in "list") to private name */
@@ -186,7 +188,9 @@ static struct child_process *get_helper(struct transport *transport)
                        data->bidi_import = 1;
                else if (!strcmp(capname, "export"))
                        data->export = 1;
-               else if (!data->refspecs && !prefixcmp(capname, "refspec ")) {
+               else if (!strcmp(capname, "check-connectivity"))
+                       data->check_connectivity = 1;
+               else if (!data->refspecs && starts_with(capname, "refspec ")) {
                        ALLOC_GROW(refspecs,
                                   refspec_nr + 1,
                                   refspec_alloc);
@@ -195,16 +199,18 @@ static struct child_process *get_helper(struct transport *transport)
                        data->connect = 1;
                } else if (!strcmp(capname, "signed-tags")) {
                        data->signed_tags = 1;
-               } else if (!prefixcmp(capname, "export-marks ")) {
+               } else if (starts_with(capname, "export-marks ")) {
                        struct strbuf arg = STRBUF_INIT;
                        strbuf_addstr(&arg, "--export-marks=");
                        strbuf_addstr(&arg, capname + strlen("export-marks "));
                        data->export_marks = strbuf_detach(&arg, NULL);
-               } else if (!prefixcmp(capname, "import-marks")) {
+               } else if (starts_with(capname, "import-marks")) {
                        struct strbuf arg = STRBUF_INIT;
                        strbuf_addstr(&arg, "--import-marks=");
                        strbuf_addstr(&arg, capname + strlen("import-marks "));
                        data->import_marks = strbuf_detach(&arg, NULL);
+               } else if (starts_with(capname, "no-private-update")) {
+                       data->no_private_update = 1;
                } else if (mandatory) {
                        die("Unknown mandatory capability %s. This remote "
                            "helper probably needs newer version of Git.",
@@ -263,6 +269,7 @@ static const char *unsupported_options[] = {
        TRANS_OPT_THIN,
        TRANS_OPT_KEEP
        };
+
 static const char *boolean_options[] = {
        TRANS_OPT_THIN,
        TRANS_OPT_KEEP,
@@ -304,7 +311,7 @@ static int set_helper_option(struct transport *transport,
 
        if (!strcmp(buf.buf, "ok"))
                ret = 0;
-       else if (!prefixcmp(buf.buf, "error")) {
+       else if (starts_with(buf.buf, "error")) {
                ret = -1;
        } else if (!strcmp(buf.buf, "unsupported"))
                ret = 1;
@@ -349,6 +356,9 @@ static int fetch_with_fetch(struct transport *transport,
        struct strbuf buf = STRBUF_INIT;
 
        standard_options(transport);
+       if (data->check_connectivity &&
+           data->transport_options.check_self_contained_and_connected)
+               set_helper_option(transport, "check-connectivity", "true");
 
        for (i = 0; i < nr_heads; i++) {
                const struct ref *posn = to_fetch[i];
@@ -365,13 +375,17 @@ static int fetch_with_fetch(struct transport *transport,
        while (1) {
                recvline(data, &buf);
 
-               if (!prefixcmp(buf.buf, "lock ")) {
+               if (starts_with(buf.buf, "lock ")) {
                        const char *name = buf.buf + 5;
                        if (transport->pack_lockfile)
                                warning("%s also locked %s", data->name, name);
                        else
                                transport->pack_lockfile = xstrdup(name);
                }
+               else if (data->check_connectivity &&
+                        data->transport_options.check_self_contained_and_connected &&
+                        !strcmp(buf.buf, "connectivity-ok"))
+                       data->transport_options.self_contained_and_connected = 1;
                else if (!buf.len)
                        break;
                else
@@ -632,10 +646,10 @@ static int push_update_ref_status(struct strbuf *buf,
        char *refname, *msg;
        int status;
 
-       if (!prefixcmp(buf->buf, "ok ")) {
+       if (starts_with(buf->buf, "ok ")) {
                status = REF_STATUS_OK;
                refname = buf->buf + 3;
-       } else if (!prefixcmp(buf->buf, "error ")) {
+       } else if (starts_with(buf->buf, "error ")) {
                status = REF_STATUS_REMOTE_REJECT;
                refname = buf->buf + 6;
        } else
@@ -683,6 +697,11 @@ static int push_update_ref_status(struct strbuf *buf,
                        free(msg);
                        msg = NULL;
                }
+               else if (!strcmp(msg, "stale info")) {
+                       status = REF_STATUS_REJECT_STALE;
+                       free(msg);
+                       msg = NULL;
+               }
        }
 
        if (*ref)
@@ -723,7 +742,7 @@ static void push_update_refs_status(struct helper_data *data,
                if (push_update_ref_status(&buf, &ref, remote_refs))
                        continue;
 
-               if (!data->refspecs)
+               if (!data->refspecs || data->no_private_update)
                        continue;
 
                /* propagate back the update to the remote namespace */
@@ -737,13 +756,15 @@ static void push_update_refs_status(struct helper_data *data,
 }
 
 static int push_refs_with_push(struct transport *transport,
-               struct ref *remote_refs, int flags)
+                              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 ref *ref;
+       struct string_list cas_options = STRING_LIST_INIT_DUP;
+       struct string_list_item *cas_option;
 
        get_helper(transport);
        if (!data->push)
@@ -756,6 +777,7 @@ static int push_refs_with_push(struct transport *transport,
                /* Check for statuses set by set_ref_status_for_push() */
                switch (ref->status) {
                case REF_STATUS_REJECT_NONFASTFORWARD:
+               case REF_STATUS_REJECT_STALE:
                case REF_STATUS_REJECT_ALREADY_EXISTS:
                case REF_STATUS_UPTODATE:
                        continue;
@@ -778,11 +800,29 @@ static int push_refs_with_push(struct transport *transport,
                strbuf_addch(&buf, ':');
                strbuf_addstr(&buf, ref->name);
                strbuf_addch(&buf, '\n');
+
+               /*
+                * The "--force-with-lease" options without explicit
+                * values to expect have already been expanded into
+                * the ref->old_sha1_expect[] field; we can ignore
+                * transport->smart_options->cas altogether and instead
+                * can enumerate them from the refs.
+                */
+               if (ref->expect_old_sha1) {
+                       struct strbuf cas = STRBUF_INIT;
+                       strbuf_addf(&cas, "%s:%s",
+                                   ref->name, sha1_to_hex(ref->old_sha1_expect));
+                       string_list_append(&cas_options, strbuf_detach(&cas, NULL));
+               }
        }
-       if (buf.len == 0)
+       if (buf.len == 0) {
+               string_list_clear(&cas_options, 0);
                return 0;
+       }
 
        standard_options(transport);
+       for_each_string_list_item(cas_option, &cas_options)
+               set_helper_option(transport, "cas", cas_option->string);
 
        if (flags & TRANSPORT_PUSH_DRY_RUN) {
                if (set_helper_option(transport, "dry-run", "true") != 0)