blob
mark :1
data 7
a_file

blob
mark :2
data 6
large

reset refs/heads/master
commit refs/heads/master
mark :3
author Grevious Bodily Harmsworth <gbh@example.com> 1679014800 +0000
committer Grevious Bodily Harmsworth <gbh@example.com> 1679014800 +0000
data 3
r0
M 100644 :1 a.txt
M 100644 :2 b.txt