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