Migrate release CI back to github

Author: hasufell

.github/scripts/build.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+set -eux
+
+uname -a
+uname -p
+uname
+pwd
+env
+
+if [ "${RUNNER_OS}" = Windows ] ; then
+    ext=".exe"
+else
+    ext=""
+fi
+
+# build
+ghcup --no-verbose install ghc --set --install-targets "install_bin install_lib update_package_db" "${GHC_VERSION}"
+sed -i.bak -e '/DELETE MARKER FOR CI/,/END DELETE/d' cabal.project # see comment in cabal.project
+cabal update
+cabal user-config diff
+cabal user-config init -f
+"ghc-${GHC_VERSION}" --info
+"ghc" --info
+
+# https://github.com/haskell/cabal/issues/7313#issuecomment-811851884
+if [ "$(getconf LONG_BIT)" == "32" ] || [ "${DISTRO}" == "CentOS" ] ; then
+    echo 'constraints: lukko -ofd-locking' >> cabal.release.project.local
+fi
+
+# shellcheck disable=SC2206
+args=(
+    -w "ghc-$GHC_VERSION"
+    --disable-profiling
+    --enable-executable-stripping
+    --project-file=cabal.release.project
+    ${ADD_CABAL_ARGS}
+)
+
+cabal v2-build "${args[@]}" cabal-install
+
+mkdir -p "out"
+# shellcheck disable=SC2154
+cp "$(cabal list-bin "${args[@]}" cabal-install:exe:cabal)" "out/cabal$ext"
+cp dist-newstyle/cache/plan.json "out/plan.json"
+cd "out/"
+
+# create tarball/zip
+TARBALL_PREFIX="cabal-install-$("./cabal" --numeric-version)"
+case "${TARBALL_EXT}" in
+    zip)
+        zip "${TARBALL_PREFIX}-${ARTIFACT}.${TARBALL_EXT}" "cabal${ext}" plan.json
+        ;;
+    tar.xz)
+        tar caf "${TARBALL_PREFIX}-${ARTIFACT}.${TARBALL_EXT}" "cabal${ext}" plan.json
+        ;;
+    *)
+        fail "Unknown TARBALL_EXT: ${TARBALL_EXT}"
+        ;;
+esac
+
+rm "cabal${ext}" plan.json
+

.github/scripts/test.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+set -eux
+
+env
+pwd
+ls -lah
+
+cd out
+case "${TARBALL_EXT}" in
+    zip)
+        unzip ./cabal-install-*-"${ARTIFACT}.${TARBALL_EXT}"
+        ;;
+    tar.xz)
+        tar xf ./cabal-install-*-"${ARTIFACT}.${TARBALL_EXT}"
+        ;;
+    *)
+        fail "Unknown TARBALL_EXT: ${TARBALL_EXT}"
+        ;;
+esac
+cd ..
+
+ghcup --no-verbose install ghc --set --install-targets "install_bin install_lib update_package_db" "${GHC_VERSION}"
+
+cabal update
+
+# TODO: we want to avoid building here... we should just
+# be using the previously built 'cabal-tests' binary
+cabal run ${ADD_CABAL_ARGS} cabal-testsuite:cabal-tests -- \
+  --with-cabal "$(pwd)/out/cabal" \
+  --intree-cabal-lib "$(pwd)" \
+  --test-tmp "$(pwd)/testdb" \
+  -j "$(nproc)"
+