Merge pull request #5266 from inspec/ns/cust_issue

lib/inspec/cli.rb

@@ -395,6 +395,20 @@ class Inspec::InspecCLI < Inspec::BaseCLI
   end
   map %w{-v --version} => :version
 
+  desc "clear_cache", "clears the InSpec cache. Useful for debugging."
+  option :vendor_cache, type: :string,
+    desc: "Use the given path for caching dependencies. (default: ~/.inspec/cache)"
+  def clear_cache
+    o = config
+    configure_logger(o)
+    cache_path = o[:vendor_cache] || "~/.inspec/cache"
+    FileUtils.rm_r Dir.glob(File.expand_path(cache_path))
+
+    o[:logger] = Logger.new($stdout)
+    o[:logger].level = get_log_level(o[:log_level])
+    o[:logger].info "== InSpec cache cleared successfully =="
+  end
+
   private
 
   def run_command(opts)

lib/inspec/runner_rspec.rb

@@ -5,7 +5,7 @@ require "matchers/matchers"
 require "inspec/rspec_extensions"
 
 # There be dragons!! Or borgs, or something...
-# This file and all its contents cannot be unit-tested. both test-suits
+# This file and all its contents cannot be unit-tested. both test-suites
 # collide and disable all unit tests that have been added.
 
 module Inspec

test/functional/inspec_clear_cache_test.rb

@@ -0,0 +1,27 @@
+require "functional/helper"
+require "securerandom"
+
+describe "inspec check" do
+  include FunctionalHelper
+
+  parallelize_me!
+
+  describe "inspec clear_cache" do
+    it "clears any existing cache" do
+      dirname = File.expand_path("~/.inspec/#{SecureRandom.hex(10)}/alt-cache")
+      unless File.directory?(dirname)
+        FileUtils.mkdir_p(dirname)
+      end
+      newfile = "#{dirname}/#{SecureRandom.hex(10)}.txt"
+      File.write(newfile, SecureRandom.hex(100))
+
+      assert !Dir.glob(newfile).empty?
+
+      out = inspec("clear_cache --vendor-cache=#{dirname}")
+
+      assert_empty Dir.glob(newfile)
+      assert_exit_code 0, out
+      _(out.stdout).must_include "== InSpec cache cleared successfully ==\n"
+    end
+  end
+end