chore: fix all luacheck errors for plugins

.luacheckrc

@@ -8,6 +8,7 @@ globals = {
 }
 
 read_globals = {
+    "_ENV",
     "ANDROID_FONT_DIR",
     "KOBO_TOUCH_MIRRORED",
     "KOBO_SYNC_BRIGHTNESS_WITH_NICKEL",

Makefile

@@ -359,7 +359,7 @@ po:
 
 static-check:
 	@if which luacheck > /dev/null; then \
-			luacheck -q frontend; \
+			luacheck -q frontend plugins; \
 		else \
 			echo "[!] luacheck not found. "\
 			"you can install it with 'luarocks install luacheck'"; \

plugins/evernote.koplugin/clip.lua

@@ -57,7 +57,7 @@ function MyClipping:parseMyClippings()
                 }
             elseif index == 2 then
                 info = self:getInfo(line)
-            elseif index == 3 then
+            -- elseif index == 3 then
             -- should be a blank line, we skip this line
             elseif index == 4 then
                 text = self:getText(line)
@@ -168,8 +168,10 @@ function MyClipping:getTime(line)
     local _, _, hour, minute, second = line:find("(%d+):(%d+):(%d+)")
     if year and month and day and hour and minute and second then
         for k, v in pairs(pms) do
-            if line:find(k) then hour = hour + v end
-            break
+            if line:find(k) then
+                hour = hour + v
+                break
+            end
         end
         local time = os.time({
             year = year, month = month, day = day,

plugins/evernote.koplugin/slt2.lua

@@ -74,6 +74,7 @@ end
 function slt2.get_dependency(template, start_tag, end_tag)
     return stable_uniq(include_fold(template, start_tag, end_tag, function(acc, v, name)
         if type(v) == 'string' then
+            return acc
         elseif type(v) == 'table' then
             if name ~= nil then
                 table.insert(acc, name)

plugins/statistics.koplugin/main.lua

@@ -125,13 +125,13 @@ function ReaderStatistics:updateSettings()
                 text = "",
                 input_type = "number",
                 hint = T(_("Min seconds, default is 5. Current value: %1"),
-                           self.page_min_read_sec),
+                         self.page_min_read_sec),
             },
             {
                 text = "",
                 input_type = "number",
                 hint = T(_("Max seconds, default is 90. Current value: %1"),
-                           self.page_max_read_sec),
+                         self.page_max_read_sec),
             },
         },
         buttons = {