commit cc567322acbfd5b32e61ab5d005352347cd7eeaf
author Sverre Rabbelier <srabbelier@gmail.com> Sat Jul 16 15:03:35 2011 +0200
committer Junio C Hamano <gitster@pobox.com> Tue Jul 19 11:17:47 2011 -0700
tree e3c5401196f790ee340e57c04fa0a4a1b65e66f6
parent d2e73c6f2ac3e2d32cd27afd80bfa7c1661a52d4

transport-helper: check status code of finish_command

Previously the status code of all helpers were ignored, allowing
errors that occur to go unnoticed if the error text output by the
helper is not noticed.

Signed-off-by: Sverre Rabbelier <srabbelier@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

transport-helper.c

diff --git a/transport-helper.c b/transport-helper.c
index dd8dd2c..e02f4a3 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -209,6 +209,7 @@
 {
 	struct helper_data *data = transport->data;
 	struct strbuf buf = STRBUF_INIT;
+	int res = 0;
 
 	if (data->helper) {
 		if (debug)
@@ -220,13 +221,13 @@
 		close(data->helper->in);
 		close(data->helper->out);
 		fclose(data->out);
-		finish_command(data->helper);
+		res = finish_command(data->helper);
 		free((char *)data->helper->argv[0]);
 		free(data->helper->argv);
 		free(data->helper);
 		data->helper = NULL;
 	}
-	return 0;
+	return res;
 }
 
 static const char *unsupported_options[] = {
@@ -304,12 +305,13 @@
 
 static int release_helper(struct transport *transport)
 {
+	int res = 0;
 	struct helper_data *data = transport->data;
 	free_refspec(data->refspec_nr, data->refspecs);
 	data->refspecs = NULL;
-	disconnect_helper(transport);
+	res = disconnect_helper(transport);
 	free(transport->data);
-	return 0;
+	return res;
 }
 
 static int fetch_with_fetch(struct transport *transport,
@@ -415,8 +417,11 @@
 		sendline(data, &buf);
 		strbuf_reset(&buf);
 	}
-	disconnect_helper(transport);
-	finish_command(&fastimport);
+	if (disconnect_helper(transport))
+		die("Error while disconnecting helper");
+	if (finish_command(&fastimport))
+		die("Error while running fast-import");
+
 	free(fastimport.argv);
 	fastimport.argv = NULL;
 
@@ -760,8 +765,10 @@
 		die("Couldn't run fast-export");
 
 	data->no_disconnect_req = 1;
-	finish_command(&exporter);
-	disconnect_helper(transport);
+	if (finish_command(&exporter))
+		die("Error while running fast-export");
+	if (disconnect_helper(transport))
+		die("Error while disconnecting helper");
 	return 0;
 }