git config --global credential.helper store
provide a username and password and those details will then be remembered later. The credentials are stored in a file on the disk, with the disk permissions of "just user readable/writable" but still in plaintext.
If you want to change the password later
Will fail, because the password is incorrect, git then removes the offending user+password from the
~/.git-credentials file, so now re-run
to provide a new password so it works as earlier.