use git.git repository. git log --pretty=format:Commit:%H%nParent:%P%n%n --parents -- alloc.c Commit:100c5f3b0b27ec6617de1a785c4ff481e92636c1 Parent:2c1cbec1e2f0bd7b15fe5e921d287babfd91c7d3 Commit:2c1cbec1e2f0bd7b15fe5e921d287babfd91c7d3 Parent:579d1fbfaf25550254014fa472faac95f88eb779 Commit:579d1fbfaf25550254014fa472faac95f88eb779 Parent:855419f764a65e92f1d5dd1b3d50ee987db1d9de Commit:855419f764a65e92f1d5dd1b3d50ee987db1d9de Parent: Parent will be rewritten correctly. But When I add --follow, it will be git log --pretty=format:Commit:%H%nParent:%P%n%n --parents --follow -- alloc.c Commit:100c5f3b0b27ec6617de1a785c4ff481e92636c1 Parent:2c1cbec1e2f0bd7b15fe5e921d287babfd91c7d3 Commit:2c1cbec1e2f0bd7b15fe5e921d287babfd91c7d3 Parent:f948792990f82a35bf0c98510e7511ef8acb9cd3 Commit:579d1fbfaf25550254014fa472faac95f88eb779 Parent:446c6faec69f7ac521b8b9fc2b1874731729032f Commit:855419f764a65e92f1d5dd1b3d50ee987db1d9de Parent:64e86c57867593ba0ee77a7b0ff0eb8e9d4d8ed5 parent will be not rewritten. -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html