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Makefile: fail if nix-instantiate fails

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makefu 2015-12-22 20:31:21 +01:00
parent bf1b6482ce
commit 6c5921c9fc
1 changed files with 4 additions and 3 deletions
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7
Makefile
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@ -35,7 +35,7 @@ ifeq ($(filter),json)
else else
filter() { cat; } filter() { cat; }
endif endif
nix-instantiate \ result=$$(nix-instantiate \
$${extraArgs-} \ $${extraArgs-} \
--eval \ --eval \
-A "$$get" \ -A "$$get" \
@ -45,8 +45,9 @@ endif
--argstr current-host-name "$$HOSTNAME" \ --argstr current-host-name "$$HOSTNAME" \
--argstr current-user-name "$$LOGNAME" \ --argstr current-user-name "$$LOGNAME" \
$${system+--argstr system "$$system"} \ $${system+--argstr system "$$system"} \
$${target+--argstr target "$$target"} \ $${target+--argstr target "$$target"})
| filter echo "$$result" | filter
else else
$(error unbound variable: system[s]) $(error unbound variable: system[s])
endif endif