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#!/bin/sh
# Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


set -eu

readonly JUST="$PWD/bin/tool-under-test"
readonly JUST_MR="$PWD/bin/mr-tool-under-test"
readonly LBRDIR="$TEST_TMPDIR/local-build-root"
readonly TESTDIR="$TEST_TMPDIR/test-root"

# create project files including an exported target
mkdir -p "$TESTDIR"
cd "$TESTDIR"
touch ROOT
cat > repos.json <<EOF
{ "repositories":
  { "main":
    {"repository": {"type": "file", "path": ".", "pragma": {"to_git": true}}}
  }
}
EOF

# create random string: p<hostname>p<time[ns]>p<pid>p<random number[9 digits]>
readonly LOW=100000000
readonly HIGH=999999999
readonly RND="p$(hostname)p$(date +%s%N)p$$p$(shuf -i $LOW-$HIGH -n 1)"

cat > TARGETS <<EOF
{ "main": {"type": "export", "target": ["./", "main-target"]}
, "main-target":
  { "type": "generic"
  , "cmds": ["mkdir -p out", "echo $RND | tee foo.txt out/bar.txt"]
  , "outs": ["foo.txt"]
  , "out_dirs": ["out"]
  }
}
EOF

ARGS=""
if [ "${COMPATIBLE:-}" = "YES" ]; then
  ARGS="--compatible"
fi

# build project twice locally to trigger a target cache hit
export CONF="$("$JUST_MR" --norc -C repos.json --local-build-root="$LBRDIR" setup main)"
"$JUST" build -L '["env", "PATH='"${PATH}"'"]' -C "$CONF" main --local-build-root="$LBRDIR" $ARGS 2>&1
"$JUST" build -L '["env", "PATH='"${PATH}"'"]' -C "$CONF" main --local-build-root="$LBRDIR" $ARGS 2>&1

REMOTE_EXECUTION_ARGS=""
if [ "${REMOTE_EXECUTION_ADDRESS:-}" != "" ]; then
  REMOTE_EXECUTION_ARGS="-r ${REMOTE_EXECUTION_ADDRESS}"
  if [ "${REMOTE_EXECUTION_PROPERTIES:-}" != "" ]; then
    REMOTE_EXECUTION_PROPS="$(printf " --remote-execution-property %s" ${REMOTE_EXECUTION_PROPERTIES})"
    REMOTE_EXECUTION_ARGS="${REMOTE_EXECUTION_ARGS} ${REMOTE_EXECUTION_PROPS}"
  fi
fi

# build project twice remotely to trigger a target cache hit
"$JUST" build -L '["env", "PATH='"${PATH}"'"]' -C "$CONF" main --local-build-root="$LBRDIR" $ARGS $REMOTE_EXECUTION_ARGS 2>&1
"$JUST" build -L '["env", "PATH='"${PATH}"'"]' -C "$CONF" main --local-build-root="$LBRDIR" $ARGS $REMOTE_EXECUTION_ARGS 2>&1