repocomparetags: Improve readability and diff detection
repocomparetags: Improve readability and diff detection

Change-Id: Ib8ec21600807390c34f92935a54cb2dc6746ecbe
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools