Merge branch 'maint'

* maint:
  pack-objects: split implications of --all-progress from progress activation
  instaweb: restart server if already running
  prune-packed: only show progress when stderr is a tty

Conflicts:
	builtin-pack-objects.c

git-instaweb.sh

@@ -73,6 +73,11 @@ resolve_full_httpd () {
 }
 
 start_httpd () {
+	if test -f "$fqgitdir/pid"; then
+		say "Instance already running. Restarting..."
+		stop_httpd
+	fi
+
 	# here $httpd should have a meaningful value
 	resolve_full_httpd