tree aa93a22bdec6f982cfee5c3ab5d1f5361f7bd9e9
parent 5acde75e5d70b323197ffb2c9d4fdea3612098f5
author Anatol Pomazau <anatol@google.com> 1333069603 -0700
committer Anatol Pomazau <anatol@google.com> 1335204557 -0700

Check if SHA1 presents in repository

Previously repo had incorrect code that did not really check
if sha1 presents in a project. It worked for tags though.

Check if a revision (either tag or sha1) is present by using
'git rev_parse' functionality.

Change-Id: I1787f3348573948573948753987394839487572b