0000000000000000000000000000000000000000000000000000000000000000 2418424ee6f37fb86b5b9bd85a39f32dc8c5813052fbb6f6e3d10e77039a3668 committer <committer@example.com> 946771200 +0000	commit (initial): original without symlink
2418424ee6f37fb86b5b9bd85a39f32dc8c5813052fbb6f6e3d10e77039a3668 2418424ee6f37fb86b5b9bd85a39f32dc8c5813052fbb6f6e3d10e77039a3668 committer <committer@example.com> 946771200 +0000	checkout: moving from main to A
2418424ee6f37fb86b5b9bd85a39f32dc8c5813052fbb6f6e3d10e77039a3668 7791076e483645418cfd7f76370bfb25bb0a1703219e3246532baa3a78945bac committer <committer@example.com> 946771200 +0000	commit: new link to point to 'a'
7791076e483645418cfd7f76370bfb25bb0a1703219e3246532baa3a78945bac 2418424ee6f37fb86b5b9bd85a39f32dc8c5813052fbb6f6e3d10e77039a3668 committer <committer@example.com> 946771200 +0000	checkout: moving from A to B
2418424ee6f37fb86b5b9bd85a39f32dc8c5813052fbb6f6e3d10e77039a3668 4ddeef4efb49f042b09258a61fd92744ead45b226dfc49c79c2f94fbb1df1b58 committer <committer@example.com> 946771200 +0000	commit: new link to point to 'b'
