0000000000000000000000000000000000000000 2c939c287bfcffcd9ae12ce34db486f6e0bd17e2 unknown <kurai@kenkyuusitu14.(none)> 1733729145 +0900	clone: from https://github.com/erincatto/box2d.git
2c939c287bfcffcd9ae12ce34db486f6e0bd17e2 9ebbbcd960ad424e03e5de6e66a40764c16f51bc unknown <kurai@kenkyuusitu14.(none)> 1733729152 +0900	checkout: moving from main to 9ebbbcd960ad424e03e5de6e66a40764c16f51bc
