Merge branch 'rs/show-progress-in-dumb-http-fetch'

"git fetch" over HTTP walker protocol did not show any progress
output.  We inherently do not know how much work remains, but still
we can show something not to bore users.

* rs/show-progress-in-dumb-http-fetch:
  remote-curl: show progress for fetches over dumb HTTP
diff --git a/remote-curl.c b/remote-curl.c
index 8eb9615..e4cd321 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -1026,6 +1026,7 @@
 
 	walker = get_http_walker(url.buf);
 	walker->get_verbosely = options.verbosity >= 3;
+	walker->get_progress = options.progress;
 	walker->get_recover = 0;
 	ret = walker_fetch(walker, nr_heads, targets, NULL, NULL);
 	walker_free(walker);
diff --git a/walker.c b/walker.c
index bb010f7..4984bf8 100644
--- a/walker.c
+++ b/walker.c
@@ -8,6 +8,7 @@
 #include "tag.h"
 #include "blob.h"
 #include "refs.h"
+#include "progress.h"
 
 static struct object_id current_commit_oid;
 
@@ -162,6 +163,11 @@
 static int loop(struct walker *walker)
 {
 	struct object_list *elem;
+	struct progress *progress = NULL;
+	uint64_t nr = 0;
+
+	if (walker->get_progress)
+		progress = start_delayed_progress(_("Fetching objects"), 0);
 
 	while (process_queue) {
 		struct object *obj = process_queue->item;
@@ -176,15 +182,20 @@
 		 */
 		if (! (obj->flags & TO_SCAN)) {
 			if (walker->fetch(walker, obj->oid.hash)) {
+				stop_progress(&progress);
 				report_missing(obj);
 				return -1;
 			}
 		}
 		if (!obj->type)
 			parse_object(the_repository, &obj->oid);
-		if (process_object(walker, obj))
+		if (process_object(walker, obj)) {
+			stop_progress(&progress);
 			return -1;
+		}
+		display_progress(progress, ++nr);
 	}
+	stop_progress(&progress);
 	return 0;
 }
 
diff --git a/walker.h b/walker.h
index 6d8ae00..d40b016 100644
--- a/walker.h
+++ b/walker.h
@@ -10,6 +10,7 @@
 	int (*fetch)(struct walker *, unsigned char *sha1);
 	void (*cleanup)(struct walker *);
 	int get_verbosely;
+	int get_progress;
 	int get_recover;
 
 	int corrupt_object_found;