Allow our own cabal-install bindist builds

.github/scripts/common.sh

@@ -0,0 +1,110 @@
+#!/bin/bash
+
+# shellcheck disable=SC1091
+. .github/scripts/env.sh
+
+# Colors
+RED="0;31"
+LT_BROWN="1;33"
+LT_BLUE="1;34"
+
+ecabal() {
+	cabal "$@"
+}
+
+nonfatal() {
+	"$@" || "$* failed"
+}
+
+sha_sum() {
+	if [ "${RUNNER_OS}" = "FreeBSD" ] ; then
+		sha256 "$@"
+	else
+		sha256sum "$@"
+	fi
+}
+
+git_describe() {
+	git config --global --get-all safe.directory | grep '^\*$' || git config --global --add safe.directory "*"
+	git describe --always
+}
+
+install_ghcup() {
+	# find "$GHCUP_INSTALL_BASE_PREFIX"
+	mkdir -p "$GHCUP_BIN"
+	mkdir -p "$GHCUP_BIN"/../cache
+
+	if [ "${RUNNER_OS}" = "FreeBSD" ] ; then
+		curl -o ghcup https://downloads.haskell.org/ghcup/tmp/x86_64-portbld-freebsd-ghcup-0.1.18.1
+		chmod +x ghcup
+		mv ghcup "$HOME/.local/bin/ghcup"
+	else
+		curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_MINIMAL=1 sh
+		source "$(dirname "${GHCUP_BIN}")/env"
+		ghcup install cabal --set "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
+	fi
+}
+
+strip_binary() {
+	(
+	set -e
+	local binary=$1
+	case "$(uname -s)" in
+		"Darwin"|"darwin")
+			;;
+		MSYS_*|MINGW*)
+			;;
+		*)
+			strip -s "${binary}"
+		   ;;
+   esac
+	)
+}
+
+# GitLab Pipelines log section delimiters
+# https://gitlab.com/gitlab-org/gitlab-foss/issues/14664
+start_section() {
+  name="$1"
+  echo -e "section_start:$(date +%s):$name\015\033[0K"
+}
+
+end_section() {
+  name="$1"
+  echo -e "section_end:$(date +%s):$name\015\033[0K"
+}
+
+echo_color() {
+  local color="$1"
+  local msg="$2"
+  echo -e "\033[${color}m${msg}\033[0m"
+}
+
+error() { echo_color "${RED}" "$1"; }
+warn() { echo_color "${LT_BROWN}" "$1"; }
+info() { echo_color "${LT_BLUE}" "$1"; }
+
+fail() { error "error: $1"; exit 1; }
+
+run() {
+  info "Running $*..."
+  "$@" || ( error "$* failed"; return 1; )
+}
+
+emake() {
+	if command -v gmake >/dev/null 2>&1 ; then
+		gmake "$@"
+	else
+		make "$@"
+	fi
+}
+
+mktempdir() {
+	case "$(uname -s)" in
+		"Darwin"|"darwin")
+			mktemp -d -t cabal_ci.XXXXXXX
+			;;
+		*)
+			mktemp -d
+			;;
+	esac
+}