Fix "st2-pack-install" script so the setup virtualenv step also works

correctly if user passes in a version (e.g. st2-pack-instal bitcon=0.1.0).

Author: Kami

st2common/st2common/cmd/install_pack.py

@@ -106,6 +106,8 @@ def main(argv):
         result = download_pack(pack=pack, verify_ssl=verify_ssl, force=force,
                                proxy_config=proxy_config, force_permissions=True)
 
+        # Raw pack name excluding the version
+        pack_name = result[1]
         success = result[2][0]
 
         if success:
@@ -116,8 +118,8 @@ def main(argv):
             sys.exit(2)
 
         # 2. Setup pack virtual environment
-        LOG.info('Setting up virtualenv for pack "%s"' % (pack))
-        setup_pack_virtualenv(pack_name=pack, update=False, logger=LOG,
+        LOG.info('Setting up virtualenv for pack "%s"' % (pack_name))
+        setup_pack_virtualenv(pack_name=pack_name, update=False, logger=LOG,
                               proxy_config=proxy_config, use_python3=False,
                               no_download=True)
         LOG.info('Successfuly set up virtualenv for pack "%s"' % (pack))