0000000000000000000000000000000000000000000000000000000000000000 7443cb5d250efdd39d89b8e3aaeb89d68a18f345b2c8406460b4c2d187421762 committer <committer@example.com> 946771200 +0000	commit (initial): add module 1
7443cb5d250efdd39d89b8e3aaeb89d68a18f345b2c8406460b4c2d187421762 df3ad3be6a0f632b299ba0648bfffd4d7823d749479a1d9b7167886dffcf7de9 committer <committer@example.com> 946771200 +0000	commit: change submodule head
