In python 3.3, version is displayed on stderr, only version 3.4+ use stdout see https://hg.python.org/cpython/rev/e6384b8b2325 In Gentoo ebuild, the exit 1 makes the ...
cmd/ ├── _bashrc.cmd # Main configuration file ├── git-utils/ # Git utilities │ ├── git-update.bat │ ├── git-status.bat │ ├── git-restore-all.bat │ ├── git-checkout.bat │ ├── git-branch-update-all.bat ...