transport-helper: ask the helper to set progress and verbosity options after asking for its capabilities
[gitweb.git] / connect.c
index ebc3a5be7d63a68bbaa2d3d6e81ea9191199aee1..062e133aa39b9e522bf3a03c5e57ac67c03ad88e 100644 (file)
--- a/connect.c
+++ b/connect.c
 static char *server_capabilities;
 static const char *parse_feature_value(const char *, const char *, int *);
 
-static int check_ref(const char *name, int len, unsigned int flags)
+static int check_ref(const char *name, unsigned int flags)
 {
        if (!flags)
                return 1;
 
-       if (len < 5 || memcmp(name, "refs/", 5))
+       if (!skip_prefix(name, "refs/", &name))
                return 0;
 
-       /* Skip the "refs/" part */
-       name += 5;
-       len -= 5;
-
        /* REF_NORMAL means that we don't want the magic fake tag refs */
        if ((flags & REF_NORMAL) && check_refname_format(name, 0))
                return 0;
 
        /* REF_HEADS means that we want regular branch heads */
-       if ((flags & REF_HEADS) && !memcmp(name, "heads/", 6))
+       if ((flags & REF_HEADS) && starts_with(name, "heads/"))
                return 1;
 
        /* REF_TAGS means that we want tags */
-       if ((flags & REF_TAGS) && !memcmp(name, "tags/", 5))
+       if ((flags & REF_TAGS) && starts_with(name, "tags/"))
                return 1;
 
        /* All type bits clear means that we are ok with anything */
@@ -43,7 +39,7 @@ static int check_ref(const char *name, int len, unsigned int flags)
 
 int check_ref_type(const struct ref *ref, int flags)
 {
-       return check_ref(ref->name, strlen(ref->name), flags);
+       return check_ref(ref->name, flags);
 }
 
 static void die_initial_contact(int got_at_least_one_head)
@@ -97,7 +93,7 @@ static void annotate_refs_with_symref_info(struct ref *ref)
                parse_one_symref_info(&symref, val, len);
                feature_list = val + 1;
        }
-       sort_string_list(&symref);
+       string_list_sort(&symref);
 
        for (; ref; ref = ref->next) {
                struct string_list_item *item;
@@ -127,6 +123,7 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                char *name;
                int len, name_len;
                char *buffer = packet_buffer;
+               const char *arg;
 
                len = packet_read(in, &src_buf, &src_len,
                                  packet_buffer, sizeof(packet_buffer),
@@ -138,12 +135,12 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                if (!len)
                        break;
 
-               if (len > 4 && starts_with(buffer, "ERR "))
-                       die("remote error: %s", buffer + 4);
+               if (len > 4 && skip_prefix(buffer, "ERR ", &arg))
+                       die("remote error: %s", arg);
 
-               if (len == 48 && starts_with(buffer, "shallow ")) {
-                       if (get_sha1_hex(buffer + 8, old_sha1))
-                               die("protocol error: expected shallow sha-1, got '%s'", buffer + 8);
+               if (len == 48 && skip_prefix(buffer, "shallow ", &arg)) {
+                       if (get_sha1_hex(arg, old_sha1))
+                               die("protocol error: expected shallow sha-1, got '%s'", arg);
                        if (!shallow_points)
                                die("repository on the other end cannot be shallow");
                        sha1_array_append(shallow_points, old_sha1);
@@ -166,7 +163,7 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len,
                        continue;
                }
 
-               if (!check_ref(name, name_len, flags))
+               if (!check_ref(name, flags))
                        continue;
                ref = alloc_ref(buffer + 41);
                hashcpy(ref->old_sha1, old_sha1);
@@ -532,22 +529,19 @@ static int git_use_proxy(const char *host)
 static struct child_process *git_proxy_connect(int fd[2], char *host)
 {
        const char *port = STR(DEFAULT_GIT_PORT);
-       const char **argv;
        struct child_process *proxy;
 
        get_host_and_port(&host, &port);
 
-       argv = xmalloc(sizeof(*argv) * 4);
-       argv[0] = git_proxy_command;
-       argv[1] = host;
-       argv[2] = port;
-       argv[3] = NULL;
-       proxy = xcalloc(1, sizeof(*proxy));
-       proxy->argv = argv;
+       proxy = xmalloc(sizeof(*proxy));
+       child_process_init(proxy);
+       argv_array_push(&proxy->args, git_proxy_command);
+       argv_array_push(&proxy->args, host);
+       argv_array_push(&proxy->args, port);
        proxy->in = -1;
        proxy->out = -1;
        if (start_command(proxy))
-               die("cannot start proxy %s", argv[0]);
+               die("cannot start proxy %s", git_proxy_command);
        fd[0] = proxy->out; /* read from proxy stdout */
        fd[1] = proxy->in;  /* write to proxy stdin */
        return proxy;
@@ -642,7 +636,7 @@ static enum protocol parse_connect_url(const char *url_orig, char **ret_host,
        return protocol;
 }
 
-static struct child_process no_fork;
+static struct child_process no_fork = CHILD_PROCESS_INIT;
 
 /*
  * This returns a dummy child_process if the transport protocol does not
@@ -661,7 +655,6 @@ struct child_process *git_connect(int fd[2], const char *url,
        char *hostandport, *path;
        struct child_process *conn = &no_fork;
        enum protocol protocol;
-       const char **arg;
        struct strbuf cmd = STRBUF_INIT;
 
        /* Without this we cannot rely on waitpid() to tell
@@ -698,40 +691,48 @@ struct child_process *git_connect(int fd[2], const char *url,
                             target_host, 0);
                free(target_host);
        } else {
-               conn = xcalloc(1, sizeof(*conn));
+               conn = xmalloc(sizeof(*conn));
+               child_process_init(conn);
 
                strbuf_addstr(&cmd, prog);
                strbuf_addch(&cmd, ' ');
                sq_quote_buf(&cmd, path);
 
                conn->in = conn->out = -1;
-               conn->argv = arg = xcalloc(7, sizeof(*arg));
                if (protocol == PROTO_SSH) {
-                       const char *ssh = getenv("GIT_SSH");
-                       int putty = ssh && strcasestr(ssh, "plink");
+                       const char *ssh;
+                       int putty;
                        char *ssh_host = hostandport;
                        const char *port = NULL;
                        get_host_and_port(&ssh_host, &port);
                        port = get_port_numeric(port);
 
-                       if (!ssh) ssh = "ssh";
+                       ssh = getenv("GIT_SSH_COMMAND");
+                       if (ssh) {
+                               conn->use_shell = 1;
+                               putty = 0;
+                       } else {
+                               ssh = getenv("GIT_SSH");
+                               if (!ssh)
+                                       ssh = "ssh";
+                               putty = !!strcasestr(ssh, "plink");
+                       }
 
-                       *arg++ = ssh;
+                       argv_array_push(&conn->args, ssh);
                        if (putty && !strcasestr(ssh, "tortoiseplink"))
-                               *arg++ = "-batch";
+                               argv_array_push(&conn->args, "-batch");
                        if (port) {
                                /* P is for PuTTY, p is for OpenSSH */
-                               *arg++ = putty ? "-P" : "-p";
-                               *arg++ = port;
+                               argv_array_push(&conn->args, putty ? "-P" : "-p");
+                               argv_array_push(&conn->args, port);
                        }
-                       *arg++ = ssh_host;
+                       argv_array_push(&conn->args, ssh_host);
                } else {
                        /* remove repo-local variables from the environment */
                        conn->env = local_repo_env;
                        conn->use_shell = 1;
                }
-               *arg++ = cmd.buf;
-               *arg = NULL;
+               argv_array_push(&conn->args, cmd.buf);
 
                if (start_command(conn))
                        die("unable to fork");
@@ -757,7 +758,6 @@ int finish_connect(struct child_process *conn)
                return 0;
 
        code = finish_command(conn);
-       free(conn->argv);
        free(conn);
        return code;
 }