Makefile: become user top-level aware

Makefile

@@ -2,7 +2,7 @@
 # usage:
 #		make system=foo
 #		make systems='foo bar'
-#		make eval system=foo get=config.networking.extraHosts
+#		make eval system=foo get=config.networking.extraHosts [filter=json]
 #
 
 .ONESHELL:
@@ -17,91 +17,30 @@ $(systems):
 		--tagstring {} \
 		-q make systems= system={} ::: $(systems)
 else ifdef system
-include 0make/$(LOGNAME)/$(system).makefile
 .PHONY: deploy
 deploy:;@
-	system_name=$(system)
-	deploy_host=$(deploy_host)
-	nixpkgs_url=$(nixpkgs_url)
-	nixpkgs_rev=$(nixpkgs_rev)
-	secrets_dir=$(secrets_dir)
-
-	prepush(){(
-		dst=$$1
-		src=$$2
-		rsync \
-			--exclude .git \
-			--exclude .graveyard \
-			--exclude old \
-			--rsync-path="mkdir -p \"$$dst\" && rsync" \
-			--usermap=\*:0 \
-			--groupmap=\*:0 \
-			--delete-excluded \
-			-vrLptgoD \
-			"$$src/" "$$deploy_host:$$dst"
-	)}
-
-	prepush /root/src/stockholm "$$PWD"
-	prepush /root/src/secrets "$$secrets_dir"
-
-	ssh -S none "$$deploy_host" -T env \
-			nixpkgs_url="$$nixpkgs_url" \
-			nixpkgs_rev="$$nixpkgs_rev" \
-			system_name="$$system_name" \
-			user_name="$$LOGNAME" \
-		sh -euf \
-	<<-\EOF
-		prefetch(){(
-			dst=$$1
-			url=$$2
-			rev=$$3
-			mkdir -p "$$dst"
-			cd "$$dst"
-			if ! test -e .git; then
-				git init
-			fi
-			if ! cur_url=$$(git config remote.origin.url 2>/dev/null); then
-				git remote add origin "$$url"
-			elif test "$$cur_url" != "$$url"; then
-				git remote set-url origin "$$url"
-			fi
-			if test "$$(git rev-parse --verify HEAD 2>/dev/null)" != "$$rev"; then
-				git fetch origin
-				git checkout "$$rev" -- .
-				git checkout -q "$$rev"
-				git submodule init
-				git submodule update
-			fi
-			git clean -dxf
-		)}
-
-		prefetch /root/src/nixpkgs "$$nixpkgs_url" "$$nixpkgs_rev"
-
-		echo build system...
-		NIX_PATH=/root/src \
-		nix-build \
-			-Q \
-			-A system \
-			'<stockholm>' \
-			--argstr user-name "$$user_name" \
-			--argstr system-name "$$system_name"
-
-		result/bin/switch-to-configuration switch
-	EOF
+	make eval system=$(system) get=config.krebs.build.script filter=json | sh
 
 .PHONY: eval
 eval:
 	@
+ifeq ($(filter),json)
+	extraArgs=--json
+	filter() { jq -r .; }
+else
+	filter() { cat; }
+endif
 	NIX_PATH=stockholm=$$PWD:$$NIX_PATH \
 	nix-instantiate \
-		--json \
+		$${extraArgs-} \
+		$${json+--json} \
+		$${json+--strict} \
 		--eval \
-		--strict \
 		-A "$$get" \
 		'<stockholm>' \
 		--argstr user-name "$$LOGNAME" \
 		--argstr system-name "$$system" \
-		| jq -r .
+		| filter
 else
 $(error unbound variable: system[s])
 endif