[CI] Add Github Actions workflow to run regression.sh
#6
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A docker image built from https://github.com/jcreedcmu/docker-mlton is available as jcreed/mlton-twelf-ci:latest on Docker Hub. It contains the MLton release binaries, and a script placed in
/usr/bin/svnversion
that actually just asks for the current git revision since we live in the present time and no longer use stone tools. This is enough forTEST/regression.sh
to successfully run.In passing, tweaked the bash syntax of that regression script, and reduced chatter in the warnings generated by MLton compilation of twelf, presumably due to the evolution of the semantics of
default-ann 'nonexhaustiveMatch ignore'
in the intervening years.