mirror of
https://github.com/privatevoid-net/nix-super.git
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3112e59734
This may occur when stderr is a tty but stdin is empty.
E.g.
$ nix build </dev/null
error: unexpected EOF reading a line
These stdio handles are how some non-interactive sandboxes behave,
including the Nix build sandbox and Hercules CI Effects.
56 lines
1.6 KiB
Bash
Executable file
56 lines
1.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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source common.sh
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cp ../simple.nix ../simple.builder.sh "${config_nix}" $TEST_HOME
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removeBuildDirRef "$TEST_HOME/simple.nix"
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cd $TEST_HOME
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rm -f post-hook-ran
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cat <<EOF > echoing-post-hook.sh
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#!/bin/sh
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echo "ThePostHookRan as \$0" > $PWD/post-hook-ran
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EOF
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chmod +x echoing-post-hook.sh
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cat <<EOF > flake.nix
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{
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nixConfig.post-build-hook = ./echoing-post-hook.sh;
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nixConfig.allow-dirty = false; # See #5621
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outputs = a: {
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packages.$system.default = import ./simple.nix;
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};
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}
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EOF
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# Without --accept-flake-config, the post hook should not run.
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# To test variations in stderr tty-ness, we run the command in different ways,
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# none of which should block on stdin or accept the `nixConfig`s.
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nix build < /dev/null
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nix build < /dev/null 2>&1 | cat
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# EOF counts as no, even when interactive (throw EOF error before)
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if type -p script >/dev/null && script -q -c true /dev/null; then
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echo "script is available and GNU-like, so we can ensure a tty"
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script -q -c 'nix build < /dev/null' /dev/null
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else
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echo "script is not available or not GNU-like, so we skip testing with an added tty"
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fi
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(! [[ -f post-hook-ran ]])
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TODO_NixOS
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clearStore
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nix build --accept-flake-config
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test -f post-hook-ran || fail "The post hook should have ran"
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# Make sure that the path to the post hook doesn’t change if we change
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# something in the flake.
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# Otherwise the user would have to re-validate the setting each time.
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mv post-hook-ran previous-post-hook-run
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echo "# Dummy comment" >> flake.nix
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clearStore
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nix build --accept-flake-config
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diff -q post-hook-ran previous-post-hook-run || \
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fail "Both post hook runs should report the same filename"
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