Installed bash using brew not sourcing system wide `/etc/bash.bashrc`

[cevhyruz]

Please fill out the issue checklist below and provide all the requested information.

• ran a brew command and reproduced the problem with multiple formulae? If it's a problem with a single, official formula (not cask) please file this issue at Linuxbrew/homebrew-core: https://github.com/Linuxbrew/homebrew-core/issues/new/choose. If it's a brew cask problem please file this issue at https://github.com/Homebrew/homebrew-cask/issues/new/choose. If it's a tap (e.g. Homebrew/homebrew-php) problem please file this issue at the tap.
• ran brew update and can still reproduce the problem?
• ran brew doctor, fixed all issues and can still reproduce the problem?
• ran brew config and brew doctor and included their output with your issue?

To help us debug your issue please explain:

• What you were trying to do (and why)
  I installed another bash shell by brew install bash
• What happened (include command output)
  It was running fine actually, the problem is it didn't source the /etc/bash.bashrc
• Step-by-step reproduction instructions (by running brew commands)
  Install bash using brew install bash
  change default shell chsh /home/linuxbrew/.linuxbrew/bin/bash
  restart terminal.

[sjackman]

Add source /etc/bash.bashrc to your local ~/.bashrc.