Improved error reporting from CLI initialization (#219)

* Adding error handling for the CLI initialize to match behavior from command exceptions.

* Updating CHANGELOG and bumping VERSION

CHANGELOG.md

@@ -1,3 +1,9 @@
+# 6.1.1
+
+* No longer displaying error stack traces by default when an exception occurs duing CLI
+  initialization (e.g when trying to open a missing conjur certificate file). Stack traces
+  can be enabled for all errors in the CLI by setting the environment variable `GLI_DEBUG=true`.
+
 # [6.1.0](https://github.com/cyberark/conjur-cli/releases/tag/v6.1.0)
 
 * Pin dependency 'conjur-api' to '~> 5.1'. This update adds authn-local support to the API. [conjur-api PR #131](https://github.com/cyberark/conjur-api-ruby/pull/131)

VERSION

@@ -1 +1 @@
-6.1.0
+6.1.1

lib/conjur/cli.rb

@@ -93,6 +93,9 @@ def init!
         apply_config
         load_plugins
         commands_from 'conjur/command'
+      rescue => ex
+        stderr.puts "error: #{ex.message}"
+        raise if ENV['GLI_DEBUG'] == 'true'
       end
 
       def appliance_version