VS Code, run previous terminal command

keybindings.json

// this adds a command to re-run the previous bash command
// asuming you git-bash or another bash terminal open inside of vscode
// update the keybindings json array as follows
[
    {
        "key": "shift+enter",
        "command": "workbench.action.terminal.sendSequence",
        "args": {
            "text": "!!\r"
        }
    }
]