Redesigned firmware upgrade process

modules/admin-mini/luasrc/controller/mini/system.lua

@@ -79,7 +79,7 @@ end
 function action_upgrade()
 	require("luci.model.uci")
 
-	local ret  = nil
+	local ret, err
 	local plat = luci.fs.mtime("/lib/upgrade/platform.sh")
 	local tmpfile = "/tmp/firmware.img"
 	local broadcom = os.execute('grep brcm_ /lib/upgrade/platform.sh >/dev/null 2>&1') == 0
@@ -105,12 +105,11 @@ function action_upgrade()
 	local keepcfg = keep_avail and luci.http.formvalue("keepcfg")
 
 	if plat and fname then
-		ret = function()
-			return luci.sys.flash(tmpfile, keepcfg and _keep_pattern())
-		end
+		ret, err = luci.sys.flash(tmpfile, keepcfg and _keep_pattern())
 	end
 
-	luci.template.render("mini/upgrade", {sysupgrade=plat, ret=ret, keep_avail=keep_avail})
+	luci.template.render("admin_system/upgrade", {sysupgrade=plat,
+		ret=ret, err=err, keep_avail=keep_avail})
 end
 
 function _keep_pattern()

modules/admin-mini/luasrc/view/mini/upgrade.htm

@@ -17,7 +17,7 @@ $Id$
 <h2><%:a_s_flash%></h2>
 <p><%:a_s_flash_upgrade1%></p>
 <br />
-<% if sysupgrade and not ret then %>
+<% if sysupgrade and ret == nil then %>
 <form method="post" action="<%=REQUEST_URI%>" enctype="multipart/form-data">
 	<div class="left"><%:a_s_flash_fwimage%>:</div>
 	<div>
@@ -33,20 +33,14 @@ $Id$
 		<input type="submit" value="<%:a_s_flash_fwupgrade%>" />
 	</div>
 </form>
-<% elseif ret then %>
-	<p><%:a_s_flash_received%></p>
-	<p><%:a_s_flash_inprogress%></p>
-	
-<!-- <%=string.rep(" ", 2048)%> -->
-	<% %>
-	<% local ret = ret() 
-	if ret == 0 then %>
-<div class="ok"><%:a_s_flash_flashed%></div>
+<% elseif ret ~= nil then %>
+	<% if ret then %>
+<p><%:a_s_flash_received%></p>
+<p><%:a_s_flash_inprogress%></p>
 	<% else %>
-<div class="error"><%:a_s_flash_flasherr%>! (<%:code%> <%=ret%>)</div>	
+<div class="error"><%:a_s_flash_flasherr%>! (<%=err%>)</div>	
 	<% end %>
 <% else %>
 <div class="error"><%:a_s_flash_notimplemented%></div>
 <% end %>
 <%+footer%>
-<% if ret == 0 then luci.sys.reboot() end %>