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Reland #128236, reverted in https://github.com/flutter/flutter/pull/143125, https://github.com/flutter/flutter/pull/145261, and https://github.com/flutter/flutter/pull/145487. The errors were raised in post-submit tests on Windows. I have finally obtained a Windows machine to reproduce the errors locally and adjust the test (remove size expectation and rename output `.exe`). ## Original description Improves the build output: 1. Gives confirmation that the build succeeded, in green 1. Gives the path to the built executable, without a trailing period to make it slightly easier to cmd/ctrl+open 1. Gives the size of the built executable (when the built executable is self contained) ### `apk`, `appbundle` <img width="607" alt="image" src="https://github.com/flutter/flutter/assets/6655696/ecc52abe-cd2e-4116-b22a-8385ae3e980d"> <img width="634" alt="image" src="https://github.com/flutter/flutter/assets/6655696/8af8bd33-c0bd-4215-9a06-9652ee019436"> ### `macos`, `ios`, `ipa` Build executables are self-contained and use a newly introduced `OperatingSystemUtils.getDirectorySize`. <img width="514" alt="image" src="https://github.com/flutter/flutter/assets/6655696/b5918a69-3959-4417-9205-4f501d185257"> <img width="581" alt="image" src="https://github.com/flutter/flutter/assets/6655696/d72fd420-18cf-4470-9e4b-b6ac10fbcd50"> <img width="616" alt="image" src="https://github.com/flutter/flutter/assets/6655696/5f235ce1-252a-4c13-898f-139f6c7bc698"> ### `windows`, `linux`, and `web` Build executables aren't self-contained, and folder size can sometimes overestimate distribution size, therefore their size isn't mentioned (see discussion below). <img width="647" alt="image" src="https://github.com/flutter/flutter/assets/6655696/7179e771-1eb7-48f6-b770-975bc073437b"> <img width="658" alt="image" src="https://github.com/flutter/flutter/assets/6655696/a6801cab-7b5a-4975-a406-f4c9fa44d7a2"> <img width="608" alt="image" src="https://github.com/flutter/flutter/assets/6655696/ee7c4125-a273-4a65-95d7-ab441edf8ac5"> ### Size reporting When applicable, the printed size matches the OS reported size. - macOS <img width="391" alt="image" src="https://github.com/flutter/flutter/assets/6655696/881cbfb1-d355-444b-ab44-c1a6343190ce"> - Windows <img width="338" alt="image" src="https://github.com/flutter/flutter/assets/6655696/3b806def-3d15-48a9-8a25-df200d6feef7"> - Linux <img width="320" alt="image" src="https://github.com/flutter/flutter/assets/6655696/89a4aa3d-2148-4f3b-b231-f93a057fee2b"> ## Related issues Part of #120127 Fixes https://github.com/flutter/flutter/issues/121401
This directory contains tools and resources that the Flutter team uses during the development of the framework. The tools in this directory should not be necessary for developing Flutter applications, though of course, they may be interesting if you are curious.
The tests in this directory are run in the framework_tests_misc-*
shards.