make code shorter by defining macos? linux?

Rakefile

@@ -2,6 +2,14 @@ require 'rake'
 require 'fileutils'
 require File.join(File.dirname(__FILE__), 'bin', 'yadr', 'vundle')
 
+def macos?
+  RUBY_PLATFORM.downcase.include?("darwin")
+end
+
+def linux?
+  RUBY_PLATFORM.downcase.include?("linux")
+end
+
 # this has all the runcoms from this directory.
 task :link_files do
   install_files(Dir.glob('git/*')) if want_to_install?('git configs (color, aliases)')
@@ -23,7 +31,7 @@ task :install => [:submodule_init, :submodules] do
   puts "======================================================"
   puts
 
-  install_homebrew if RUBY_PLATFORM.downcase.include?("darwin")
+  install_homebrew if macos?
   install_rvm_binstubs
 
   Rake::Task["link_files"].execute
@@ -32,13 +40,13 @@ task :install => [:submodule_init, :submodules] do
     Rake::Task["install_vundle"].execute
   end
 
+  Rake::Task["install_tools"].execute
   Rake::Task["install_ycm"].execute
-
   Rake::Task["install_prezto"].execute
 
   install_fonts
 
-  install_term_theme if RUBY_PLATFORM.downcase.include?("darwin")
+  install_term_theme if macos?
 
   run_bundle_config
 
@@ -61,6 +69,7 @@ task :install_ycm do
   end
 end
 
+desc 'Install tools which are necessary for developers'
 task :install_tools do
   if macos?
     run %{
@@ -165,7 +174,7 @@ def run(cmd)
 end
 
 def number_of_cores
-  if RUBY_PLATFORM.downcase.include?("darwin")
+  if macos?
     cores = run %{ sysctl -n hw.ncpu }
   else
     cores = run %{ nproc }
@@ -226,8 +235,8 @@ def install_fonts
   puts "======================================================"
   puts "Installing patched fonts for Powerline/Lightline."
   puts "======================================================"
-  run %{ cp -f $HOME/.yadr/fonts/* $HOME/Library/Fonts } if RUBY_PLATFORM.downcase.include?("darwin")
+  run %{ cp -f $HOME/.yadr/fonts/* $HOME/Library/Fonts } if macos?
-  run %{ mkdir -p ~/.fonts && cp ~/.yadr/fonts/* ~/.fonts && fc-cache -vf ~/.fonts } if RUBY_PLATFORM.downcase.include?("linux")
+  run %{ mkdir -p ~/.fonts && cp ~/.yadr/fonts/* ~/.fonts && fc-cache -vf ~/.fonts } if linux?
   puts
 end
 

etc/proxychains.conf

@@ -0,0 +1,96 @@
+# proxychains.conf  VER 4
+#
+#        HTTP, SOCKS4, SOCKS5 tunneling proxifier with DNS.
+#
+
+# The option below identifies how the ProxyList is treated.
+# only one option should be uncommented at time,
+# otherwise the last appearing option will be accepted
+#
+#dynamic_chain
+#
+# Dynamic - Each connection will be done via chained proxies
+# all proxies chained in the order as they appear in the list
+# at least one proxy must be online to play in chain
+# (dead proxies are skipped)
+# otherwise EINTR is returned to the app
+#
+strict_chain
+#
+# Strict - Each connection will be done via chained proxies
+# all proxies chained in the order as they appear in the list
+# all proxies must be online to play in chain
+# otherwise EINTR is returned to the app
+#
+#random_chain
+#
+# Random - Each connection will be done via random proxy
+# (or proxy chain, see  chain_len) from the list.
+# this option is good to test your IDS :)
+
+# Make sense only if random_chain
+#chain_len = 2
+
+# Quiet mode (no output from library)
+quiet_mode
+
+# Proxy DNS requests - no leak for DNS data
+proxy_dns
+
+# set the class A subnet number to usefor use of the internal remote DNS mapping
+# we use the reserved 224.x.x.x range by default,
+# if the proxified app does a DNS request, we will return an IP from that range.
+# on further accesses to this ip we will send the saved DNS name to the proxy.
+# in case some control-freak app checks the returned ip, and denies to
+# connect, you can use another subnet, e.g. 10.x.x.x or 127.x.x.x.
+# of course you should make sure that the proxified app does not need
+# *real* access to this subnet.
+# i.e. dont use the same subnet then in the localnet section
+#remote_dns_subnet 127
+#remote_dns_subnet 10
+remote_dns_subnet 224
+
+# Some timeouts in milliseconds
+tcp_read_time_out 15000
+tcp_connect_time_out 8000
+
+# By default enable localnet for loopback address ranges
+# RFC5735 Loopback address range
+localnet 127.0.0.0/255.0.0.0
+# RFC1918 Private Address Ranges
+localnet 10.0.0.0/255.0.0.0
+localnet 172.16.0.0/255.240.0.0
+localnet 192.168.0.0/255.255.0.0
+
+
+# Example for localnet exclusion
+## Exclude connections to 192.168.1.0/24 with port 80
+# localnet 192.168.1.0:80/255.255.255.0
+
+## Exclude connections to 192.168.100.0/24
+# localnet 192.168.100.0/255.255.255.0
+
+## Exclude connections to ANYwhere with port 80
+# localnet 0.0.0.0:80/0.0.0.0
+
+# ProxyList format
+#       type  host  port [user pass]
+#       (values separated by 'tab' or 'blank')
+#
+#
+#        Examples:
+#
+#            	socks5	192.168.67.78	1080	lamer	secret
+#		http	192.168.89.3	8080	justu	hidden
+#	 	socks4	192.168.1.49	1080
+#	        http	192.168.39.93	8080
+#
+#
+#       proxy types: http, socks4, socks5
+#        ( auth types supported: "basic"-http  "user/pass"-socks )
+#
+[ProxyList]
+# add proxy here ...
+# meanwile
+# defaults set to "tor"
+socks5 	127.0.0.1 1080