git diff too slow for a file

diff --git a/builtin-fetch-pack.c b/builtin-fetch-pack.c
index 8ed4a6feaac2868523e6516e02865132dedbc9f5..dbd8b7bcc8b5ddea9bec3a0c774346007cb0d31c 100644 (file)
--- a/builtin-fetch-pack.c
+++ b/builtin-fetch-pack.c
@@ -586,12 +586,12 @@ static int everything_local(struct ref **refs, int nr_match, char **match)
        return retval;
 }
 
-static int sideband_demux(int fd, void *data)
+static int sideband_demux(int in, int out, void *data)
 {
        int *xd = data;
 
-       int ret = recv_sideband("fetch-pack", xd[0], fd);
-       close(fd);
+       int ret = recv_sideband("fetch-pack", xd[0], out);
+       close(out);
        return ret;
 }
 
@@ -613,6 +613,7 @@ static int get_pack(int xd[2], char **pack_lockfile)
                 */
                demux.proc = sideband_demux;
                demux.data = xd;
+               demux.out = -1;
                if (start_async(&demux))
                        die("fetch-pack: unable to fork off sideband"
                            " demultiplexer");