#!/usr/bin/env bash

source common.sh

# XXX: This shouldn’t be, but #4813 cause this test to fail
buggyNeedLocalStore "see #4813"

checkBuildTempDirRemoved ()
{
    buildDir=$(sed -n 's/CHECK_TMPDIR=//p' $1 | head -1)
    checkBuildIdFile=${buildDir}/checkBuildId
    [[ ! -f $checkBuildIdFile ]] || ! grep $checkBuildId $checkBuildIdFile
}

# written to build temp directories to verify created by this instance
checkBuildId=$(date +%s%N)

TODO_NixOS

clearStore

nix-build dependencies.nix --no-out-link
nix-build dependencies.nix --no-out-link --check

# Build failure exit codes (100, 104, etc.) are from
# doc/manual/src/command-ref/status-build-failure.md

# check for dangling temporary build directories
# only retain if build fails and --keep-failed is specified, or...
# ...build is non-deterministic and --check and --keep-failed are both specified
nix-build check.nix -A failed --argstr checkBuildId $checkBuildId \
    --no-out-link 2> $TEST_ROOT/log || status=$?
[ "$status" = "100" ]
checkBuildTempDirRemoved $TEST_ROOT/log

nix-build check.nix -A failed --argstr checkBuildId $checkBuildId \
    --no-out-link --keep-failed 2> $TEST_ROOT/log || status=$?
[ "$status" = "100" ]
if checkBuildTempDirRemoved $TEST_ROOT/log; then false; fi

test_custom_build_dir() {
  local customBuildDir="$TEST_ROOT/custom-build-dir"

  # Nix does not create the parent directories, and perhaps it shouldn't try to
  # decide the permissions of build-dir.
  mkdir "$customBuildDir"
  nix-build check.nix -A failed --argstr checkBuildId $checkBuildId \
      --no-out-link --keep-failed --option build-dir "$TEST_ROOT/custom-build-dir" 2> $TEST_ROOT/log || status=$?
  [ "$status" = "100" ]
  [[ 1 == "$(count "$customBuildDir/nix-build-"*)" ]]
  local buildDir="$customBuildDir/nix-build-"*""
  if [[ -e $buildDir/build ]]; then
      buildDir=$buildDir/build
  fi
  grep $checkBuildId $buildDir/checkBuildId
}
test_custom_build_dir

nix-build check.nix -A deterministic --argstr checkBuildId $checkBuildId \
    --no-out-link 2> $TEST_ROOT/log
checkBuildTempDirRemoved $TEST_ROOT/log

nix-build check.nix -A deterministic --argstr checkBuildId $checkBuildId \
    --no-out-link --check --keep-failed 2> $TEST_ROOT/log
if grepQuiet 'may not be deterministic' $TEST_ROOT/log; then false; fi
checkBuildTempDirRemoved $TEST_ROOT/log

nix-build check.nix -A nondeterministic --argstr checkBuildId $checkBuildId \
    --no-out-link 2> $TEST_ROOT/log
checkBuildTempDirRemoved $TEST_ROOT/log

nix-build check.nix -A nondeterministic --argstr checkBuildId $checkBuildId \
    --no-out-link --check 2> $TEST_ROOT/log || status=$?
grep 'may not be deterministic' $TEST_ROOT/log
[ "$status" = "104" ]
checkBuildTempDirRemoved $TEST_ROOT/log

nix-build check.nix -A nondeterministic --argstr checkBuildId $checkBuildId \
    --no-out-link --check --keep-failed 2> $TEST_ROOT/log || status=$?
grep 'may not be deterministic' $TEST_ROOT/log
[ "$status" = "104" ]
if checkBuildTempDirRemoved $TEST_ROOT/log; then false; fi

TODO_NixOS

clearStore

path=$(nix-build check.nix -A fetchurl --no-out-link)

chmod +w $path
echo foo > $path
chmod -w $path

nix-build check.nix -A fetchurl --no-out-link --check
# Note: "check" doesn't repair anything, it just compares to the hash stored in the database.
[[ $(cat $path) = foo ]]

nix-build check.nix -A fetchurl --no-out-link --repair
[[ $(cat $path) != foo ]]

echo 'Hello World' > $TEST_ROOT/dummy
nix-build check.nix -A hashmismatch --no-out-link || status=$?
[ "$status" = "102" ]

echo -n > $TEST_ROOT/dummy
nix-build check.nix -A hashmismatch --no-out-link
echo 'Hello World' > $TEST_ROOT/dummy

nix-build check.nix -A hashmismatch --no-out-link --check || status=$?
[ "$status" = "102" ]

# Multiple failures with --keep-going
nix-build check.nix -A nondeterministic --no-out-link
nix-build check.nix -A nondeterministic -A hashmismatch --no-out-link --check --keep-going || status=$?
[ "$status" = "110" ]
