0000000000000000000000000000000000000000000000000000000000000000 a027b26cf382f38c06b725b4a27b92b25939b46da226118baa7e053427dce911 committer <committer@example.com> 2000000060 -0700	commit (initial): c1
a027b26cf382f38c06b725b4a27b92b25939b46da226118baa7e053427dce911 c892d53d1ca5302818d70bdb4ce6179ac1ed08891f2dd8dc836fc4082ae09f22 committer <committer@example.com> 2000000120 -0700	commit: c2
c892d53d1ca5302818d70bdb4ce6179ac1ed08891f2dd8dc836fc4082ae09f22 a027b26cf382f38c06b725b4a27b92b25939b46da226118baa7e053427dce911 committer <committer@example.com> 2000000120 -0700	checkout: moving from main to c1
a027b26cf382f38c06b725b4a27b92b25939b46da226118baa7e053427dce911 ecee3fdbdd56ff7d5bd1376ba44b935ea02d69b117e6de6101fe0ecfa2b52a36 committer <committer@example.com> 1000000060 -0700	commit: old1
ecee3fdbdd56ff7d5bd1376ba44b935ea02d69b117e6de6101fe0ecfa2b52a36 f3d7ef8500165c28b0a81e526b397cefd399e1e50ea1c5e14ca23685a6053052 committer <committer@example.com> 1000000120 -0700	commit: old2
f3d7ef8500165c28b0a81e526b397cefd399e1e50ea1c5e14ca23685a6053052 fdf76d8c4ad8ba87fcf2f13e05d321d1c90767530960545b474f25287b43e5e2 committer <committer@example.com> 1000000180 -0700	commit: old3
fdf76d8c4ad8ba87fcf2f13e05d321d1c90767530960545b474f25287b43e5e2 e2ecd30759bf04e11feaa5845d074060b703762b23d3d28d71f8ce9ad2e0ae17 committer <committer@example.com> 1000000240 -0700	commit: old4
