Fix git promts + add an image (#12)

README.md

@@ -1,5 +1,7 @@
 # "fetch" and "update" your dependencies with catkin_tools
 
+![Cool GIF](fetch_show_off.gif)
+
 [![PyPI][pypi-img]][pypi-link]
 [![Build Status][travis-img]][travis-link]
 [![Codacy Badge][codacy-img]][codacy-link]

catkin_tools_fetch/lib/tools.py

@@ -82,12 +82,17 @@ def repository_exists(dependency):
         Returns:
             bool: True if exists, False otherwise
         """
+        from os import environ
         urls = []
         if dependency.url:
             urls.append(dependency.url)
         else:
             urls.extend(dependency.default_urls)
         log.debug(" Checking urls: %s", urls)
+        # Disable git interactive promts. Just fail silently.
+        new_env = environ
+        new_env["GIT_TERMINAL_PROMPT"] = "0"
+        # Check all urls.
         for url in urls:
             git_cmd = GitBridge.CHECK_CMD_MASK.format(url=url)
             try:
@@ -96,7 +101,8 @@ def repository_exists(dependency):
                 subprocess.check_call(git_cmd,
                                       stdout=subprocess.PIPE,
                                       stderr=subprocess.PIPE,
-                                      shell=True)
+                                      shell=True,
+                                      env=new_env)
                 # Update the working url if needed.
                 dependency.url = url
                 return dependency, True

setup.py

@@ -7,7 +7,7 @@
 from setuptools import find_packages
 from setuptools.command.install import install
 
-version_str = '0.3.0'
+version_str = '0.3.2'
 
 # Setup installation dependencies
 install_requires = [