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source common.sh
drv='
builtins.derivation {
name = "foo";
builder = /bin/sh;
system = builtins.currentSystem;
requiredSystemFeatures = [ "glitter" ];
}
'
# -j0 without remote machines diagnoses build start failure
! out="$(nix-build 2>&1 -j0 --expr "$drv" \
--builders '' \
--system-features 'glitter')"
<<<"$out" grepQuiet 'error: unable to start any build; either set '\''--max-jobs'\'' to a non-zero value or enable remote builds.'
# -j0 with remote machines and missing features also diagnoses
! out="$(nix-build 2>&1 -j0 --expr "$drv" \
--builders "ssh://localhost?remote-store=$TEST_ROOT/machine1" \
--system-features 'glitter')"
<<<"$out" grepQuiet 'error: unable to start any build; remote machines may not have all required system features.'
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