nix/tests/functional/build.sh
Ivan Trubach 68090d7ff1 Fix empty outputsToInstall for InstallableAttrPath
Fixes assertion failure if outputsToInstall is empty by defaulting to the "out"
output. That is, behavior between the following commands should be consistent:

	$ nix build --no-link --json .#nothing-to-install-no-out
	error: derivation '/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-nothing-to-install-no-out.drv' does not have wanted outputs 'out'

	$ nix build --no-link --file default.nix --json nothing-to-install-no-out
	error: derivation '/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-nothing-to-install-no-out.drv' does not have wanted outputs 'out'

Real-world example of this issue:

	$ nix build --json .#.legacyPackages.aarch64-linux.texlive.pkgs.iwona
	error: derivation '/nix/store/dj0h6b0pnlnan5nidnhqa0bmzq4rv6sx-iwona-0.995b.drv' does not have wanted outputs 'out'

	$ git rev-parse HEAD
	eee33247cf6941daea8398c976bd2dda7962b125
	$ nix build --json --file . texlive.pkgs.iwona
	nix: src/libstore/outputs-spec.hh:46: nix::OutputsSpec::Names::Names(std::set<std::__cxx11::basic_string<char> >&&): Assertion `!empty()' failed.
	Aborted (core dumped)
2024-06-02 14:26:18 +03:00

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#!/usr/bin/env bash
source common.sh
clearStore
# Make sure that 'nix build' returns all outputs by default.
nix build -f multiple-outputs.nix --json a b --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-a.drv")) and
(.outputs |
(keys | length == 2) and
(.first | match(".*multiple-outputs-a-first")) and
(.second | match(".*multiple-outputs-a-second"))))
and (.[1] |
(.drvPath | match(".*multiple-outputs-b.drv")) and
(.outputs |
(keys | length == 1) and
(.out | match(".*multiple-outputs-b"))))
'
# Test output selection using the '^' syntax.
nix build -f multiple-outputs.nix --json a^first --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-a.drv")) and
(.outputs | keys == ["first"]))
'
nix build -f multiple-outputs.nix --json a^second,first --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-a.drv")) and
(.outputs | keys == ["first", "second"]))
'
nix build -f multiple-outputs.nix --json 'a^*' --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-a.drv")) and
(.outputs | keys == ["first", "second"]))
'
# Test that 'outputsToInstall' is respected by default.
nix build -f multiple-outputs.nix --json e --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-e.drv")) and
(.outputs | keys == ["a_a", "b"]))
'
# Tests that we can handle empty 'outputsToInstall' (assuming that default
# output "out" exists).
nix build -f multiple-outputs.nix --json nothing-to-install --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*nothing-to-install.drv")) and
(.outputs | keys == ["out"]))
'
# But not when it's overriden.
nix build -f multiple-outputs.nix --json e^a_a --no-link
nix build -f multiple-outputs.nix --json e^a_a --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-e.drv")) and
(.outputs | keys == ["a_a"]))
'
nix build -f multiple-outputs.nix --json 'e^*' --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-e.drv")) and
(.outputs | keys == ["a_a", "b", "c"]))
'
# test buidling from non-drv attr path
nix build -f multiple-outputs.nix --json 'e.a_a.outPath' --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-e.drv")) and
(.outputs | keys == ["a_a"]))
'
# Illegal type of string context
expectStderr 1 nix build -f multiple-outputs.nix 'e.a_a.drvPath' \
| grepQuiet "has a context which refers to a complete source and binary closure."
# No string context
expectStderr 1 nix build --expr '""' --no-link \
| grepQuiet "has 0 entries in its context. It should only have exactly one entry"
# Too much string context
expectStderr 1 nix build --impure --expr 'with (import ./multiple-outputs.nix).e.a_a; "${drvPath}${outPath}"' --no-link \
| grepQuiet "has 2 entries in its context. It should only have exactly one entry"
nix build --impure --json --expr 'builtins.unsafeDiscardOutputDependency (import ./multiple-outputs.nix).e.a_a.drvPath' --no-link | jq --exit-status '
(.[0] | match(".*multiple-outputs-e.drv"))
'
# Test building from raw store path to drv not expression.
drv=$(nix eval -f multiple-outputs.nix --raw a.drvPath)
if nix build "$drv^not-an-output" --no-link --json; then
fail "'not-an-output' should fail to build"
fi
if nix build "$drv^" --no-link --json; then
fail "'empty outputs list' should fail to build"
fi
if nix build "$drv^*nope" --no-link --json; then
fail "'* must be entire string' should fail to build"
fi
nix build "$drv^first" --no-link --json | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-a.drv")) and
(.outputs |
(keys | length == 1) and
(.first | match(".*multiple-outputs-a-first")) and
(has("second") | not)))
'
nix build "$drv^first,second" --no-link --json | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-a.drv")) and
(.outputs |
(keys | length == 2) and
(.first | match(".*multiple-outputs-a-first")) and
(.second | match(".*multiple-outputs-a-second"))))
'
nix build "$drv^*" --no-link --json | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-a.drv")) and
(.outputs |
(keys | length == 2) and
(.first | match(".*multiple-outputs-a-first")) and
(.second | match(".*multiple-outputs-a-second"))))
'
# Make sure that `--impure` works (regression test for https://github.com/NixOS/nix/issues/6488)
nix build --impure -f multiple-outputs.nix --json e --no-link | jq --exit-status '
(.[0] |
(.drvPath | match(".*multiple-outputs-e.drv")) and
(.outputs | keys == ["a_a", "b"]))
'
# Make sure that `--stdin` works and does not apply any defaults
printf "" | nix build --no-link --stdin --json | jq --exit-status '. == []'
printf "%s\n" "$drv^*" | nix build --no-link --stdin --json | jq --exit-status '.[0]|has("drvPath")'
# --keep-going and FOD
out="$(nix build -f fod-failing.nix -L 2>&1)" && status=0 || status=$?
test "$status" = 1
# one "hash mismatch" error, one "build of ... failed"
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 2
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x1\\.drv'"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x3\\.drv'"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x2\\.drv'"
<<<"$out" grepQuiet -E "error: build of '.*-x[1-4]\\.drv\\^out', '.*-x[1-4]\\.drv\\^out', '.*-x[1-4]\\.drv\\^out', '.*-x[1-4]\\.drv\\^out' failed"
out="$(nix build -f fod-failing.nix -L x1 x2 x3 --keep-going 2>&1)" && status=0 || status=$?
test "$status" = 1
# three "hash mismatch" errors - for each failing fod, one "build of ... failed"
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 4
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x1\\.drv'"
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x3\\.drv'"
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x2\\.drv'"
<<<"$out" grepQuiet -E "error: build of '.*-x[1-3]\\.drv\\^out', '.*-x[1-3]\\.drv\\^out', '.*-x[1-3]\\.drv\\^out' failed"
out="$(nix build -f fod-failing.nix -L x4 2>&1)" && status=0 || status=$?
test "$status" = 1
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 2
<<<"$out" grepQuiet -E "error: 1 dependencies of derivation '.*-x4\\.drv' failed to build"
<<<"$out" grepQuiet -E "hash mismatch in fixed-output derivation '.*-x2\\.drv'"
out="$(nix build -f fod-failing.nix -L x4 --keep-going 2>&1)" && status=0 || status=$?
test "$status" = 1
test "$(<<<"$out" grep -E '^error:' | wc -l)" = 3
<<<"$out" grepQuiet -E "error: 2 dependencies of derivation '.*-x4\\.drv' failed to build"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x3\\.drv'"
<<<"$out" grepQuiet -vE "hash mismatch in fixed-output derivation '.*-x2\\.drv'"