net: recognize and report server-side error messages

When e.g. a repository isn't found, the server sends an error saying
so. Put that error message in our error buffer.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/pkt.h b/src/pkt.h
index 7e696f70f..75442c833 100644
--- a/src/pkt.h
+++ b/src/pkt.h
@@ -23,6 +23,7 @@ enum git_pkt_type {
 	GIT_PKT_NAK,
 	GIT_PKT_PACK,
 	GIT_PKT_COMMENT,
+	GIT_PKT_ERR,
 };
 
 /* Used for multi-ack */
@@ -64,6 +65,11 @@ typedef struct {
 	char comment[GIT_FLEX_ARRAY];
 } git_pkt_comment;
 
+typedef struct {
+	enum git_pkt_type type;
+	char error[GIT_FLEX_ARRAY];
+} git_pkt_err;
+
 int git_pkt_parse_line(git_pkt **head, const char *line, const char **out, size_t len);
 int git_pkt_buffer_flush(git_buf *buf);
 int git_pkt_send_flush(GIT_SOCKET s);