Use contrib/all.sh to test on all installed shells.
Usage: contrib/all.sh [COMMAND (shellspec and etc)]
Use contrib/test_in_docker.sh to test on supported shells (requires Docker).
Usage: contrib/test_in_docker.sh <DOCKERFILES...> [-- COMMAND]
The Dockerfiles are in the dockerfiles directory (the files whose name begin
with . are for unsupported shells).
Use contrib/check.sh to check syntax on the whole project (requires docker).
Usage: contrib/check.sh
contrib/installer_test.sh is useful for creating a test environment for the
installer (requires docker).
Usage: contrib/installer_test.sh