make ameba pass without errors

Signed-off-by: Laurent Vallar <[email protected]>

Author: Val

spec/samples/env.cr

@@ -1,3 +1,3 @@
-ENV.keys.sort.each do |key|
+ENV.keys.sort!.each do |key|
   puts "#{key}=#{Regex.escape(ENV[key])}"
 end

src/cache.cr

@@ -29,7 +29,7 @@ module Crun
 
     limit = Time.utc - Time::Span.new(days: CLEAN_CACHE_DAYS)
 
-    pathes.keys.select { |key| key < limit }.sort_by { |key| key }.each do |key|
+    pathes.keys.select { |key| key < limit }.sort!.each do |key|
       pathes[key].each { |path| FileUtils.rm_rf(path) }
     end
   end

src/main.cr

@@ -7,7 +7,7 @@ require "./lock"
 require "./shards"
 require "./version"
 
-if ARGV[0]?.try { |arg| arg.match(/^-(v|-version)$/) }
+if ARGV[0]?.try(&.match(/^-(v|-version)$/))
   STDOUT.puts "crun #{Crun::VERSION}"
   exit(0)
 end

src/shards.cr

@@ -13,8 +13,8 @@ module Crun
     @@shards_yaml ||= (
       File.read(SOURCE)
         .match(SHARDS_YAML_REGEX)
-        .try { |md| md[1]? }
-        .try { |text| text.gsub(/^# /m, "    ") }
+        .try(&.[1]?)
+        .try(&.gsub(/^# /m, "    "))
     )
   end