refactor(updater): Catch errors within updater

Errors are now caught within the updater. This had been patched by
wrapping around the call to updater, previously.

WIP #43

gitcommit/gitcommit.py

@@ -423,10 +423,7 @@ def run():
     elif confirm in confirmation_validator.rejections:
         print("Aborting the commit...")
 
-    try:
-        check_for_update()
-    except:
-        print("An error occured whilst checking for updates.")
+    check_for_update()
 
 
 def main():

gitcommit/updater.py

@@ -35,7 +35,13 @@ def find_version():
 
 
 def check_for_update():
-    tags = get_github_tags()
+    try:
+        tags = get_github_tags()
+    except Exception as e:
+        print(
+            "An error occured whilst checking for updates. Check your network connection."
+        )
+        return
     latest_tag_version = tags[0][1:]
     cur_version = find_version()