peel_ref: do not return a null sha1

diff --git a/pkt-line.h b/pkt-line.h
index 1e5dcfe87c568eaa7746091b1eb059834f4913bb..8cfeb0c31c8661bf11ce78d3679a21cd030ffb75 100644 (file)
--- a/pkt-line.h
+++ b/pkt-line.h
@@ -13,6 +13,7 @@ void packet_buf_flush(struct strbuf *buf);
 void packet_buf_write(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
 
 int packet_read_line(int fd, char *buffer, unsigned size);
+int packet_read(int fd, char *buffer, unsigned size);
 int packet_get_line(struct strbuf *out, char **src_buf, size_t *src_len);
 ssize_t safe_write(int, const void *, ssize_t);