Fix: configure the log level for both console and file output

This makes the minimum active log level consistent between console and
file output. We may at some point want to revisit and make this more
finely configurable, i.e. allowing different levels for the two output
modalities.

lua/packer/log.lua

@@ -32,8 +32,8 @@ local default_config = {
     { name = 'fatal', hl = 'ErrorMsg' },
   },
 
-  -- Which levels should be printed?
-  console_levels = { [3] = true, [4] = true, [5] = true, [6] = true },
+  -- Which levels should be logged?
+  active_levels = { [1] = true, [2] = true, [3] = true, [4] = true, [5] = true, [6] = true },
 
   -- Can limit the number of decimals displayed for floats
   float_precision = 0.01,
@@ -46,11 +46,11 @@ local unpack = unpack or table.unpack
 
 local level_ids = { trace = 1, debug = 2, info = 3, warn = 4, error = 5, fatal = 6 }
 log.cfg = function(_config)
-  local print_level = level_ids[_config.log.level]
-  local config = { console_levels = {} }
-  if print_level then
-    for i = print_level, 6 do
-      config.console_levels[i] = true
+  local min_active_level = level_ids[_config.log.level]
+  local config = { active_levels = {} }
+  if min_active_level then
+    for i = min_active_level, 6 do
+      config.active_levels[i] = true
     end
   end
   log.new(config, true)
@@ -126,12 +126,12 @@ log.new = function(config, standalone)
     local lineinfo = info.short_src .. ':' .. info.currentline
 
     -- Output to console
-    if config.use_console and config.console_levels[level] then
+    if config.use_console and config.active_levels[level] then
       console_output(level_config, info, nameupper, msg)
     end
 
     -- Output to log file
-    if config.use_file then
+    if config.use_file and config.active_levels[level] then
       local fp, err = io.open(outfile, 'a')
       if not fp then
         print(err)