Teach upload-pack to log the received need lines to an fd

[thirdparty/git.git] / upload-pack.c

diff --git a/upload-pack.c b/upload-pack.c
index e5421db9c52c267eb9908f8a94d28c0c601d5128..660134a30dc6e4bc2b30e8137ca82e6e2db453d4 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -35,6 +35,7 @@ static unsigned int timeout;
  * otherwise maximum packet size (up to 65520 bytes).
  */
 static int use_sideband;
+static int debug_fd;
 
 static void reset_timeout(void)
 {
@@ -444,6 +445,8 @@ static void receive_needs(void)
        static char line[1000];
        int len, depth = 0;
 
+       if (debug_fd)
+               write_in_full(debug_fd, "#S\n", 3);
        for (;;) {
                struct object *o;
                unsigned char sha1_buf[20];
@@ -451,6 +454,8 @@ static void receive_needs(void)
                reset_timeout();
                if (!len)
                        break;
+               if (debug_fd)
+                       write_in_full(debug_fd, line, len);
 
                if (!prefixcmp(line, "shallow ")) {
                        unsigned char sha1[20];
@@ -506,6 +511,8 @@ static void receive_needs(void)
                        add_object_array(o, NULL, &want_obj);
                }
        }
+       if (debug_fd)
+               write_in_full(debug_fd, "#E\n", 3);
        if (depth == 0 && shallows.nr == 0)
                return;
        if (depth > 0) {
@@ -631,6 +638,8 @@ int main(int argc, char **argv)
                die("'%s': unable to chdir or not a git archive", dir);
        if (is_repository_shallow())
                die("attempt to fetch/clone from a shallow repository");
+       if (getenv("GIT_DEBUG_SEND_PACK"))
+               debug_fd = atoi(getenv("GIT_DEBUG_SEND_PACK"));
        upload_pack();
        return 0;
 }