arm

Add pure-Haskell replacement for is_ascii.c #187

	name: arm
	on:
	- push
	- pull_request

	defaults:
	run:
	shell: bash

	jobs:
	# We use github.com/haskell self-hosted runners for ARM testing.
	# If they become unavailable in future, put ['armv7', 'aarch64']
	# back to emulated.yml.
	arm:
	runs-on: [self-hosted, Linux, ARM64]
	strategy:
	fail-fast: true
	matrix:
	arch: [arm32v7, arm64v8]
	steps:
	- uses: docker://hasufell/arm64v8-ubuntu-haskell:focal
	name: Cleanup
	with:
	args: "find . -mindepth 1 -maxdepth 1 -exec rm -rf -- {} +"

	- name: Checkout code
	uses: actions/checkout@v3

	# GHC 9.2.2 is the last version available on arm32v7 at the moment.
	# Check https://github.com/haskell/ghcup-metadata/blob/develop/ghcup-0.0.7.yaml
	# and look for "A_ARM:" bindists.
	- if: matrix.arch == 'arm32v7'
	uses: docker://hasufell/arm32v7-ubuntu-haskell:focal
	name: Run build (arm32v7 linux)
	with:
	args: sh -c "curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org \| BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 BOOTSTRAP_HASKELL_GHC_VERSION=9.2.2 sh && cabal update && cabal test -w ~/.ghcup/bin/ghc"

	- if: matrix.arch == 'arm64v8'
	uses: docker://hasufell/arm64v8-ubuntu-haskell:focal
	name: Run build (arm64v8 linux)
	with:
	args: sh -c "curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org \| BOOTSTRAP_HASKELL_NONINTERACTIVE=1 BOOTSTRAP_HASKELL_INSTALL_NO_STACK=1 sh && cabal update && cabal test -w ~/.ghcup/bin/ghc"

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