Add elvis_rock to Makefile

.gitignore

@@ -6,3 +6,4 @@ priv
 *.plt
 ebin
 _build
+.elvis

Makefile

@@ -1,3 +1,6 @@
+ELVIS_IN_PATH := $(shell elvis --version 2> /dev/null)
+ELVIS_LOCAL := $(shell .elvis/_build/default/bin/elvis --version 2> /dev/null)
+
 all: compile
 
 compile:
@@ -6,6 +9,12 @@ compile:
 clean:
 	rebar3 clean
 
+eunit:
+	rebar3 eunit
+
+ct:
+	rebar3 ct -v
+
 xref:
 	rebar3 xref
 
@@ -20,3 +29,30 @@ unlock:
 
 lock:
 	rebar3 lock
+
+elvis:
+ifdef ELVIS_IN_PATH
+	elvis git-branch origin/HEAD -V
+else ifdef ELVIS_LOCAL
+	.elvis/_build/default/bin/elvis git-branch origin/HEAD -V
+else
+	$(MAKE) compile_elvis
+	.elvis/_build/default/bin/elvis git-branch origin/HEAD -V
+endif
+
+elvis_rock:
+ifdef ELVIS_IN_PATH
+	elvis rock
+else ifdef ELVIS_LOCAL
+	.elvis/_build/default/bin/elvis rock
+else
+	$(MAKE) compile_elvis
+	.elvis/_build/default/bin/elvis rock
+endif
+
+compile_elvis:
+	git clone https://github.com/inaka/elvis.git .elvis && \
+	cd .elvis && \
+	rebar3 compile && \
+	rebar3 escriptize && \
+	cd ..

elvis.config

@@ -0,0 +1,81 @@
+%% -*- erlang -*-
+[ {elvis,
+   [ {config,
+      [ #{dirs => [ "src/*"
+                  , "src"
+                  ],
+          filter => "*.erl",
+          ignore => [],
+          rules => [ {elvis_style, line_length,
+                      #{ limit => 80,
+                         skip_comments => false
+                       }}
+                   , {elvis_style, no_tabs}
+                   , {elvis_style, no_trailing_whitespace}
+                   , {elvis_style, macro_module_names}
+                   , {elvis_style, nesting_level,
+                      #{ level => 3,
+                         ignore => [
+                                   ]
+                       }}
+                   , {elvis_style, god_modules,
+                      #{ limit => 25,
+                         ignore => [
+                                   ]
+                       }}
+                   , {elvis_style, no_nested_try_catch,
+                      #{ignore => [
+                                  ]
+                       }}
+                   , {elvis_style, invalid_dynamic_call,
+                      #{ignore => [
+                                  ]
+                       }}
+                   , {elvis_style, used_ignored_variable}
+                   , {elvis_style, no_behavior_info}
+                   , {elvis_style, module_naming_convention,
+                      #{ ignore => [],
+                         regex => "^([a-z][a-z0-9]*_?)([a-z0-9]*_?)*$"
+                       }}
+                   , {elvis_style, function_naming_convention,
+                      #{ regex => "^([a-z][a-z0-9]*_?)([a-z0-9]*_?)*$"
+                       }}
+                   , {elvis_style, variable_naming_convention,
+                      #{ regex => "^_?([A-Z][0-9a-zA-Z_]*)$"
+                       }}
+                   , {elvis_style, state_record_and_type}
+                   , {elvis_style, no_spec_with_records}
+                   , {elvis_style, dont_repeat_yourself,
+                      #{ min_complexity => 25,
+                         ignore => [
+                                   ]
+                       }}
+                   ]
+         },
+        #{dirs => [ "test"
+                  ],
+          filter => "*.erl",
+          rules => [ {elvis_style, line_length,
+                      #{ limit => 80,
+                         skip_comments => false
+                       }}
+                   , {elvis_style, no_tabs}
+                   , {elvis_style, no_trailing_whitespace}
+                   , {elvis_style, macro_module_names}
+                   , {elvis_style, no_debug_call,
+                      #{ignore => [
+                                  ]
+                       }}
+                   ]
+         }
+      ]
+     }
+   ]
+  }
+].
+
+%%%_* Emacs ====================================================================
+%%% Local Variables:
+%%% allout-layout: t
+%%% erlang-indent-level: 2
+%%% End: