Don't special-case a zero-sized compression.

[git.git] / connect.c

diff --git a/connect.c b/connect.c
index 941bf296b0d5a8ded60cea0ed61770dc909d2d88..075683e83c48282dfbd2626e89047af398cc7e4d 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -1,6 +1,25 @@
 #include "cache.h"
+#include "pkt-line.h"
 #include <sys/wait.h>
 
+int get_ack(int fd, unsigned char *result_sha1)
+{
+       static char line[1000];
+       int len = packet_read_line(fd, line, sizeof(line));
+
+       if (!len)
+               die("git-fetch-pack: expected ACK/NAK, got EOF");
+       if (line[len-1] == '\n')
+               line[--len] = 0;
+       if (!strcmp(line, "NAK"))
+               return 0;
+       if (!strncmp(line, "ACK ", 3)) {
+               if (!get_sha1_hex(line+4, result_sha1))
+                       return 1;
+       }
+       die("git-fetch_pack: expected ACK/NAK, got '%s'", line);
+}
+
 int path_match(const char *path, int nr, char **match)
 {
        int i;