pretty_print_commit: add different formats

[git.git] / rpull.c

diff --git a/rpull.c b/rpull.c
index 8b3322f..f4ab898 100644 (file)
--- a/rpull.c
+++ b/rpull.c
@@ -6,16 +6,39 @@
 static int fd_in;
 static int fd_out;
 
+static unsigned char remote_version = 0;
+static unsigned char local_version = 1;
+
 int fetch(unsigned char *sha1)
 {
        int ret;
+       signed char remote;
+       char type = 'o';
+       if (has_sha1_file(sha1))
+               return 0;
+       write(fd_out, &type, 1);
        write(fd_out, sha1, 20);
+       if (read(fd_in, &remote, 1) < 1)
+               return -1;
+       if (remote < 0)
+               return remote;
        ret = write_sha1_from_fd(sha1, fd_in);
        if (!ret)
                pull_say("got %s\n", sha1_to_hex(sha1));
        return ret;
 }
 
+int get_version(void)
+{
+       char type = 'v';
+       write(fd_out, &type, 1);
+       write(fd_out, &local_version, 1);
+       if (read(fd_in, &remote_version, 1) < 1) {
+               return error("Couldn't read version from remote end");
+       }
+       return 0;
+}
+
 int main(int argc, char **argv)
 {
        char *commit_id;
@@ -48,6 +71,9 @@ int main(int argc, char **argv)
        if (setup_connection(&fd_in, &fd_out, "git-rpush", url, arg, argv + 1))
                return 1;
 
+       if (get_version())
+               return 1;
+
        if (pull(commit_id))
                return 1;