0000000000000000000000000000000000000000000000000000000000000000 36f4ffef9ddc4455a624661bccb05f2fe856476efe965e5b4829b25ce45d5008 committer <committer@example.com> 946771200 +0000	commit (initial): original
36f4ffef9ddc4455a624661bccb05f2fe856476efe965e5b4829b25ce45d5008 36f4ffef9ddc4455a624661bccb05f2fe856476efe965e5b4829b25ce45d5008 committer <committer@example.com> 946771200 +0000	checkout: moving from main to A
36f4ffef9ddc4455a624661bccb05f2fe856476efe965e5b4829b25ce45d5008 01bf11fd9f981710aeffd6110b29fe3393643b80f0680c95a8184c689123b4a1 committer <committer@example.com> 946771200 +0000	commit: set link to point to 'a'
01bf11fd9f981710aeffd6110b29fe3393643b80f0680c95a8184c689123b4a1 36f4ffef9ddc4455a624661bccb05f2fe856476efe965e5b4829b25ce45d5008 committer <committer@example.com> 946771200 +0000	checkout: moving from A to B
36f4ffef9ddc4455a624661bccb05f2fe856476efe965e5b4829b25ce45d5008 9463146d384579c996b7b536e6070f0e2f70912507eb3650871e9317e2bcc25a committer <committer@example.com> 946771200 +0000	commit: set link to point to 'b'
