Issue-ID: DCAEGEN2-2261 optimization in git clone using --depth
optimize the git clone using --depth flag in term of size of clone
and also in term's of time taken to fetch the files and commit history
of whole repository.
Respective jira issue created
at https://jira.onap.org/browse/DCAEGEN2-2261
with Issue-ID: DCAEGEN2-2261
More detail can be found at blog
https://www.atlassian.com/git/tutorials/big-repositories
Signed-off-by: Pratik Raj <rajpratik71@gmail.com>
Change-Id: Ie6dbf4823709154443e604262fe64be02a97d5a0