Makefile: so long, and thanks for all the fish

Makefile

@@ -1,115 +0,0 @@
-stockholm ?= .
-
-export HOSTNAME ?= $(shell cat /proc/sys/kernel/hostname)
-
-export STOCKHOLM_VERSION ?= $(shell \
-	version=git.$$(git describe --always --dirty); \
-	case $$version in (*-dirty) version=$$version@$$HOSTNAME; esac; \
-	date=$$(date +%y.%m); \
-	printf '%s' "$$date.$$version"; \
-)
-
-system ?= $(HOSTNAME)
-$(if $(system),,$(error unbound variable: system))
-
-nixos-config ?= $(stockholm)/$(LOGNAME)/1systems/$(system)/config.nix
-ifneq ($(words $(wildcard $(nixos-config))),1)
-$(error bad nixos-config: $(nixos-config))
-endif
-
-# target = [target_user@]target_host[:target_port][/target_path]
-ifdef target
-_target_user != echo $(target) | sed -n 's/@.*//p'
-_target_path != echo $(target) | sed -n 's/^[^/]*//p'
-_target_port != echo $(target) | sed -En 's|^.*:([^/]*)(/.*)?$$|\1|p'
-_target_host != echo $(target) | sed -En 's/^(.*@)?([^:/]*).*/\2/p'
-ifneq ($(_target_host),)
-$(if $(target_host),$(error cannot define both, target_host and host in target))
-target_host ?= $(_target_host)
-endif
-ifneq ($(_target_user),)
-$(if $(target_user),$(error cannot define both, target_user and user in target))
-target_user ?= $(_target_user)
-endif
-ifneq ($(_target_port),)
-$(if $(target_port),$(error cannot define both, target_port and port in target))
-target_port ?= $(_target_port)
-endif
-ifneq ($(_target_path),)
-$(if $(target_path),$(error cannot define both, target_path and path in target))
-target_path ?= $(_target_path)
-endif
-endif
-
-target_host ?= $(system)
-target_user ?= root
-target_port ?= 22
-target_path ?= /var/src
-
-$(if $(target_host),,$(error unbound variable: target_host))
-$(if $(target_user),,$(error unbound variable: target_user))
-$(if $(target_port),,$(error unbound variable: target_port))
-$(if $(target_path),,$(error unbound variable: target_path))
-
-whatsupnix = \
-	if type whatsupnix >/dev/null 2>&1; then \
-	  whatsupnix $(1); \
-	else \
-	  cat; \
-	fi
-
-build = \
-	nix-build \
-		-Q \
-		--no-out-link \
-		--show-trace \
-		-I nixos-config=$(nixos-config) \
-		-I stockholm=$(stockholm) \
-		-E "with import <stockholm>; $(1)" \
-		$(2) \
-	|& $(call whatsupnix)
-
-evaluate = \
-	nix-instantiate \
-		--eval \
-		--readonly-mode \
-		--show-trace \
-		-I nixos-config=$(nixos-config) \
-		-I stockholm=$(stockholm) \
-		-E "let eval = import <stockholm>; in with eval; $(1)" \
-		$(2)
-
-ifeq ($(MAKECMDGOALS),)
-$(error No goals specified)
-endif
-
-# usage: make deploy system=foo [target=bar]
-# usage: make install system=foo target=bar
-# usage: make test system=foo target=bar
-deploy install test:
-ifdef target
-	nix-shell --run '$@ --system=$(system) --target=$(target)'
-else
-	nix-shell --run '$@ --system=$(system)'
-endif
-
-# usage: make populate system=foo
-populate: populate-target = \
-	$(target_user)@$(target_host):$(target_port)$(target_path)
-ifeq ($(debug),true)
-populate: populate-flags += --debug
-endif
-ifneq ($(ssh),)
-populate: populate-flags += --ssh=$(ssh)
-endif
-populate:
-	nix-shell --run 'get-source $(LOGNAME)/1systems/$(system)/source.nix' \
-	populate $(populate-target) $(populate-flags)
-
-# usage: make pkgs.populate
-pkgs:;@$(error no package selected)
-pkgs.%:;@$(call build,$@)
-
-# usage: make LOGNAME=krebs system=wolf eval.config.krebs.build.host.name
-eval eval.:;@$(call evaluate,$${expr-eval})
-eval.%:;@$(call evaluate,$@)