whatchanged

The whatchanged command is an alias for a git log command with --raw and --no-merges.

$ git log --raw --no-merges

You can show a log of everything that changed by date using the whatchanged command with the --since flag. This will show a rich set of outputs showing all changes for a relative period of time from when the command is executed.

$ git whatchanged --since="1 day ago"