log: teach --invert-grep option

diff --git a/fetch-pack.c b/fetch-pack.c
index b12bd4c59a1105f4d3a82bbbd5208e3f7ebae0bb..b8a58fa7a542fe166ad71c9b17a4908c81d24a4f 100644 (file)
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -189,20 +189,23 @@ static enum ack_type get_ack(int fd, unsigned char *result_sha1)
 {
        int len;
        char *line = packet_read_line(fd, &len);
+       const char *arg;
 
        if (!len)
                die("git fetch-pack: expected ACK/NAK, got EOF");
        if (!strcmp(line, "NAK"))
                return NAK;
-       if (starts_with(line, "ACK ")) {
-               if (!get_sha1_hex(line+4, result_sha1)) {
-                       if (len < 45)
+       if (skip_prefix(line, "ACK ", &arg)) {
+               if (!get_sha1_hex(arg, result_sha1)) {
+                       arg += 40;
+                       len -= arg - line;
+                       if (len < 1)
                                return ACK;
-                       if (strstr(line+45, "continue"))
+                       if (strstr(arg, "continue"))
                                return ACK_continue;
-                       if (strstr(line+45, "common"))
+                       if (strstr(arg, "common"))
                                return ACK_common;
-                       if (strstr(line+45, "ready"))
+                       if (strstr(arg, "ready"))
                                return ACK_ready;
                        return ACK;
                }
@@ -319,18 +322,19 @@ static int find_common(struct fetch_pack_args *args,
 
        if (args->depth > 0) {
                char *line;
+               const char *arg;
                unsigned char sha1[20];
 
                send_request(args, fd[1], &req_buf);
                while ((line = packet_read_line(fd[0], NULL))) {
-                       if (starts_with(line, "shallow ")) {
-                               if (get_sha1_hex(line + 8, sha1))
+                       if (skip_prefix(line, "shallow ", &arg)) {
+                               if (get_sha1_hex(arg, sha1))
                                        die("invalid shallow line: %s", line);
                                register_shallow(sha1);
                                continue;
                        }
-                       if (starts_with(line, "unshallow ")) {
-                               if (get_sha1_hex(line + 10, sha1))
+                       if (skip_prefix(line, "unshallow ", &arg)) {
+                               if (get_sha1_hex(arg, sha1))
                                        die("invalid unshallow line: %s", line);
                                if (!lookup_object(sha1))
                                        die("object not found: %s", line);