autoconf: Checks for libraries

diff --git a/fetch-pack.c b/fetch-pack.c
index 7d23a8071a9c2923b1f9bcf1d897e590e04f432b..f2c51ebe4b2b524e5d5bce6af8aa3105df19f177 100644 (file)
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -25,7 +25,7 @@ static const char *exec = "git-upload-pack";
 #define MAX_IN_VAIN 256
 
 static struct commit_list *rev_list = NULL;
-static int non_common_revs = 0, multi_ack = 0, use_thin_pack = 0;
+static int non_common_revs = 0, multi_ack = 0, use_thin_pack = 0, use_sideband;
 
 static void rev_list_push(struct commit *commit, int mark)
 {
@@ -165,9 +165,14 @@ static int find_common(int fd[2], unsigned char *result_sha1,
                        continue;
                }
 
-               packet_write(fd[1], "want %s%s%s\n", sha1_to_hex(remote),
-                            (multi_ack ? " multi_ack" : ""),
-                            (use_thin_pack ? " thin-pack" : ""));
+               if (!fetching)
+                       packet_write(fd[1], "want %s%s%s%s\n",
+                                    sha1_to_hex(remote),
+                                    (multi_ack ? " multi_ack" : ""),
+                                    (use_sideband ? " side-band" : ""),
+                                    (use_thin_pack ? " thin-pack" : ""));
+               else
+                       packet_write(fd[1], "want %s\n", sha1_to_hex(remote));
                fetching++;
        }
        packet_flush(fd[1]);
@@ -421,6 +426,11 @@ static int fetch_pack(int fd[2], int nr_match, char **match)
                        fprintf(stderr, "Server supports multi_ack\n");
                multi_ack = 1;
        }
+       if (server_supports("side-band")) {
+               if (verbose)
+                       fprintf(stderr, "Server supports side-band\n");
+               use_sideband = 1;
+       }
        if (!ref) {
                packet_flush(fd[1]);
                die("no matching remote head");
@@ -437,9 +447,9 @@ static int fetch_pack(int fd[2], int nr_match, char **match)
                        fprintf(stderr, "warning: no common commits\n");
 
        if (keep_pack)
-               status = receive_keep_pack(fd, "git-fetch-pack", quiet);
+               status = receive_keep_pack(fd, "git-fetch-pack", quiet, use_sideband);
        else
-               status = receive_unpack_pack(fd, "git-fetch-pack", quiet);
+               status = receive_unpack_pack(fd, "git-fetch-pack", quiet, use_sideband);
 
        if (status)
                die("git-fetch-pack: fetch failed.");