Set user name and email on a project

git config user.name "ikipatang"
git config user.email "contact@ikipatang.com"

Re-set user name and email on every commit (need to be executed on each branch)

git filter-branch -f --env-filter \
"GIT_AUTHOR_NAME='ikipatang'; GIT_AUTHOR_EMAIL='contact@ikipatang.com'; \
GIT_COMMITTER_NAME='ikipatang'; GIT_COMMITTER_EMAIL='contact@ikipatang.com';" HEAD