0000000000000000000000000000000000000000000000000000000000000000 da4a401a75e3265ac2a17b7fd4d7c0db14ac5d7b79e62ce598f6a0d47e19e148 committer <committer@example.com> 946771200 +0000	commit (initial): base
da4a401a75e3265ac2a17b7fd4d7c0db14ac5d7b79e62ce598f6a0d47e19e148 da4a401a75e3265ac2a17b7fd4d7c0db14ac5d7b79e62ce598f6a0d47e19e148 committer <committer@example.com> 946771200 +0000	checkout: moving from main to A
da4a401a75e3265ac2a17b7fd4d7c0db14ac5d7b79e62ce598f6a0d47e19e148 9f86307e05ab1f5d7a72a0461367a3a84577200444d1fe860c98431a936bb5f7 committer <committer@example.com> 946771200 +0000	commit: delete the earlier and shared trees
9f86307e05ab1f5d7a72a0461367a3a84577200444d1fe860c98431a936bb5f7 da4a401a75e3265ac2a17b7fd4d7c0db14ac5d7b79e62ce598f6a0d47e19e148 committer <committer@example.com> 946771200 +0000	checkout: moving from A to B
da4a401a75e3265ac2a17b7fd4d7c0db14ac5d7b79e62ce598f6a0d47e19e148 974423cd5b304bd3468fbec1b48e58adb9bb958b769e01f754be8b2a74be6071 committer <committer@example.com> 946771200 +0000	commit: delete the shared tree
