0000000000000000000000000000000000000000 388e644e9240aa333fe669069bb00d418ffca500 Jay <Jay@smith.com> 1599962400 +0100	branch: Created from HEAD
388e644e9240aa333fe669069bb00d418ffca500 500a621e9e83612f51dbce15202cd7bef3c88f00 Jay <Jay@smith.com> 1599962400 +0100	commit: rename a1 to a2, add bb, kill z
500a621e9e83612f51dbce15202cd7bef3c88f00 c3b47c335ebd9dbb9b0c9922bc258555a2cf71c9 Jay <Jay@smith.com> 1599969600 +0100	commit: rename bb to b, a2 back to a
