fix: add back CI module dependent functionality to CI

packages/nf-build-system/build-system.sh

@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+set -eu
+
+DISCORD_WEBHOOK_LINK=${DISCORD_WEBHOOK_LINK:-""}
+SYSTEM_LINK=$1
+ALIAS=$2
+SYSTEM_TYPE=$3
+
+# Helper functions
+send_discord_message() {
+    local message="$1"
+    local escaped_message=$(printf '%s' "$message" | jq -R -s '.')
+    curl -s -H "Accept: application/json" -H "Content-Type: application/json" \
+         -X POST --data "{\"content\": $escaped_message}" "$DISCORD_WEBHOOK_LINK"
+}
+
+if [[ -n ${CACHIX_SIGNING_KEY-} ]]; then
+	export NF_UPDATE_CACHIX_PUSH=1
+fi
+
+cd "$NF_CONFIG_ROOT"
+
+if [[ -n ${NF_UPDATE_CACHIX_PUSH-} ]]; then
+	export NF_ACTIONS_TEST_OUTLINK=${NF_ACTIONS_TEST_OUTLINK-result}
+fi
+
+if [[ ${GITHUB_ACTIONS-} = true && ${RUNNER_NAME-} = "Github Actions"* ]]; then
+	# low disk space available on public runners...
+	echo "enabled GC between builds due to restricted disk space..." >&2
+	export NF_ACTIONS_TEST_GC=1
+fi
+
+NIX_BUILD_ARGS=(
+	--show-trace
+)
+NIX_BUILD_ARGS_ASYNC=()
+
+init_nfargs() {
+	nflinksuffix="-L"
+	shift
+
+	nfargs=(
+		"${NIX_BUILD_ARGS[@]}"
+	)
+
+	if [[ -n "${NF_ACTIONS_TEST_OUTLINK-}" || -n "${NF_UPDATE_CACHIX_PUSH-}" ]]; then
+		nfargs+=(
+			-o "${NF_ACTIONS_TEST_OUTLINK-result}$nflinksuffix"
+		)
+	else
+		nfargs+=(
+			--no-link
+		)
+	fi
+}
+
+nfgc() {
+	if [[ -n ${NF_ACTIONS_TEST_GC-} ]]; then
+		if [[ -n ${NF_UPDATE_CACHIX_PUSH-} ]]; then
+      send_discord_message "Cachix pushing ${SYSTEM_TYPE} system build for ${ALIAS}"
+			cachix push kittywitch "./${NF_ACTIONS_TEST_OUTLINK-result}$nflinksuffix"*/
+			rm -f "./${NF_ACTIONS_TEST_OUTLINK-result}$nflinksuffix"*
+		fi
+		nix-collect-garbage -d
+	fi
+}
+
+nfinstallable="${NF_CONFIG_ROOT}#${SYSTEM_LINK}"
+init_nfargs "-$nfsystem"
+
+nfwarn=
+if [[ " ${NF_NIX_SYSTEMS_WARN[*]} " = *" $nfsystem "* ]]; then
+  nfwarn=1
+fi
+
+if [[ -n ${NF_ACTIONS_TEST_ASYNC-} && -z $nfwarn ]]; then
+  NIX_BUILD_ARGS_ASYNC+=("$nfinstallable")
+  continue
+fi
+
+echo "building ${nfsystem}..." >&2
+echo >&2
+
+nfbuildexit=0
+nix build "$nfinstallable" \
+  "${nfargs[@]}" \
+  "$@" || nfbuildexit=$?
+
+if [[ $nfbuildexit -ne 0 ]]; then
+  if [[ -n $nfwarn ]]; then
+    send_discord_message "build failure allowed for ${nfsystem}, ignoring..."
+    echo "build failure allowed for ${nfsystem}, ignoring..." >&2
+    continue
+  fi
+  send_discord_message "build failure for ${nfsystem}, problem!"
+  exit $nfbuildexit
+fi
+
+send_discord_message "${SYSTEM_TYPE} system build of ${ALIAS} succeeded!"
+
+nfgc
+
+if [[ -n ${NF_ACTIONS_TEST_ASYNC-} ]]; then
+	init_nfargs ""
+	nix build \
+		"${nfargs[@]}" \
+		"${NIX_BUILD_ARGS_ASYNC[@]}" \
+		"$@"
+
+	nfgc
+fi

packages/nf-build-system/default.nix

@@ -0,0 +1,12 @@
+{
+  wrapShellScriptBin,
+  pkgs,
+}:
+wrapShellScriptBin "nf-build-system" ./build-system.sh {
+  depsRuntimePath = with pkgs; [
+    git
+    cachix
+    jq
+    curl
+  ];
+}