How to read the mode field of git-ls-tree's output$ git ls-tree fb3a8bdd0ce 100644 blob 63c918c667fa005ff12ad89437f2fdc80926e21c .gitignore 100644 blob 5529b198e8d14decbe4ad99db3f7fb632de0439d .mailmap 100644 blob 6ff87c4664981e4397625791c8ea3bbb5f2279a3 COPYING 040000 tree 2fb783e477100ce076f6bf57e4a6f026013dc745 Documentation 100755 blob 3c0032cec592a765692234f1cba47dfdcc3a9200 GIT-VERSION-GEN 100644 blob 289b046a443c0647624607d471289b2c7dcd470
Why GIT does not detect the difference between the file mode 644 and 664?
