Merge pull request #240 from tfutils/add-init-command

Add init command

Author: Zordrak

libexec/tfenv-help

@@ -11,6 +11,7 @@ Commands:
    list          List all installed versions
    list-remote   List all installable versions
    version-name  Print current version
+   init          Update environment to use 'tfenv' correctly.
 ';
 
 exit 0;

libexec/tfenv-init

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+[ -n "${TFENV_DEBUG}" ] && set -x
+
+export PATH="${TFENV_ROOT}/bin:${PATH}"