Merge branch 'jk/remote-curl-squelch-extra-errors'

* jk/remote-curl-squelch-extra-errors:
  remote-curl: mark helper-protocol errors more clearly
  remote-curl: use error instead of fprintf(stderr)
  remote-curl: do not complain on EOF from parent git

diff --cc remote-curl.c
index cdcca2903b100c775d4e004312086581f5839ad4,449c24defa1485d972467d55633b79107af5f6ae..0fcf2ce5ff20cc7c6f1bdf6257c94cf8fa21b35a
--- 1/remote-curl.c
--- 2/remote-curl.c
+++ b/remote-curl.c
@@@ -968,13 -968,9 +968,11 @@@ int main(int argc, const char **argv
        http_init(remote, url.buf, 0);
  
        do {
 +              const char *arg;
 +
                if (strbuf_getline(&buf, stdin, '\n') == EOF) {
                        if (ferror(stdin))
-                               fprintf(stderr, "Error reading command stream\n");
-                       else
-                               fprintf(stderr, "Unexpected end of command stream\n");
+                               error("remote-curl: error reading command stream from git");
                        return 1;
                }
                if (buf.len == 0)