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#!/bin/sh
# Copyright 2023 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 LBR="${TEST_TMPDIR}/local-build-root"
readonly LBR_MR="${TEST_TMPDIR}/local-build-root-mr"
readonly TOOLS_DIR="${TEST_TMPDIR}/tools"
readonly OUT="${TEST_TMPDIR}/out"
readonly JUST_MR_ARGS="--norc --just ${JUST} --local-build-root ${LBR_MR}"
BUILD_ARGS="--local-build-root ${LBR}"
if [ -n "${COMPATIBLE:-}" ]; then
BUILD_ARGS="$BUILD_ARGS --compatible"
fi
# Have tools in the "outside environment" to later demonstrate
# that the action was _not_ rerun.
mkdir -p "${TOOLS_DIR}"
cat > "${TOOLS_DIR}/tree" <<'EOF'
#!/bin/sh
mkdir -p $1/hello/world/tree
echo Hello World > $1/hello/world/tree/hello.txt
echo -n World > $1/hello/world/tree/name.txt
EOF
chmod 755 "${TOOLS_DIR}/tree"
mkdir work
cd work
touch WORKSPACE
cat > TARGETS <<'EOF'
{ "tree":
{ "type": "generic"
, "arguments_config": ["ENV"]
, "out_dirs": ["out"]
, "cmds": ["${TOOLS}/tree out"]
, "env": {"type": "var", "name": "ENV"}
}
, "":
{ "type": "export"
, "flexible_config": ["ENV"]
, "target": "tree"
}
}
EOF
cat > repos.json <<'EOF'
{ "main": ""
, "repositories":
{ "":
{"repository": {"type": "file", "path": ".", "pragma": {"to_git": true}}}
}
}
EOF
cat repos.json
cat TARGETS
# Build to fill the cache
"${JUST_MR}" ${JUST_MR_ARGS} build ${BUILD_ARGS} \
-L '["env", "PATH='"${PATH}"'"]' \
-D '{"ENV": {"TOOLS": "'${TOOLS_DIR}'"}}' 2>&1
# Demonstrate that from now on, we don't build anything any more
rm -rf "${TOOLS_DIR}"
# Demonstrate that we can build the export target without any cached actions
rm -rf ${LBR}/protocol-dependent/generation-*/*/ac
# collect garbage
"${JUST_MR}" ${JUST_MR_ARGS} gc --local-build-root ${LBR} 2>&1
# Use the export
"${JUST_MR}" ${JUST_MR_ARGS} build ${BUILD_ARGS} \
-L '["env", "PATH='"${PATH}"'"]' \
-D '{"ENV": {"TOOLS": "'${TOOLS_DIR}'"}}' 2>&1
# collect garbage again
"${JUST_MR}" ${JUST_MR_ARGS} gc --local-build-root ${LBR} 2>&1
# Verify that the export target is fully in cache
"${JUST_MR}" ${JUST_MR_ARGS} install ${BUILD_ARGS} -o "${OUT}" \
-L '["env", "PATH='"${PATH}"'"]' \
-D '{"ENV": {"TOOLS": "'${TOOLS_DIR}'"}}' 2>&1
ls -R "${OUT}"
test -f "${OUT}/out/hello/world/tree/hello.txt"
test -f "${OUT}/out/hello/world/tree/name.txt"
test "$(cat "${OUT}/out/hello/world/tree/name.txt")" = "World"
# check if all files in generation 0 have been linked and not copied
readonly NON_LINKED_FILES=$(find ${LBR}/protocol-dependent/generation-0 -type f -exec sh -c 'test $(stat -c %h {}) != 2' \; -print)
echo
echo "Files with link count!=2:"
echo "${NON_LINKED_FILES:-"<none>"}"
echo
test -z "${NON_LINKED_FILES}"
echo OK
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