[22] : git cat-file -p master^{tree} 040000 tree 12e7167437…

[22] : git cat-file -p master^{tree}
040000 tree 12e716743759911458f30aa4624e9a9eae3ee817 lib
100644 blob 83baae61804e65cc73a7201a7252750c76066a30 test.txt