git

multiple accounts for multiple repositories.

1. get access token

Creating a personal access token - GitHub DocsGitHub Docs

2. disable credential helper

git config --local credential.helper ""

or modify your .git/config in project directory

[credential]
        helper =

3. set remote url config

3.1 you can set manually in your ~/project/.git/config

cd ~yourProject
vi .git/config

then you will see [remote "origin"] section.

and you have to change URL to

https://${GIT_USER_NAME}:${GIT_ACCESS_TOKEN}@${REPOSITORY_URL}

e.g
https://someUser:$[e-mail]/scuzzlebuzzle/ol3-1.git

3.2 or set remote URL below command

git remote set-url origin https://${GIT_USER_NAME}:${GIT_ACCESS_TOKEN}@${REPOSITORY_URL}

e.g
git remote set-url origin https://${GIT_USER_NAME}:${GIT_ACCESS_TOKEN}@github.com/scuzzlebuzzle/ol3-1.git