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#!/bin/sh
# Copyright 2024 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 DISTDIR="${TEST_TMPDIR}/distfiles"
readonly LBR="${TEST_TMPDIR}/local-build-root"
readonly OUT="${TEST_TMPDIR}/out"
mkdir -p "${DISTDIR}"
echo This-is-the-content > "${DISTDIR}/data.txt"
HASH=$(git hash-object "${DISTDIR}/data.txt")
# Setup sample repository config
touch ROOT
cat > repos.json <<EOF
{ "repositories":
{ "data":
{ "repository":
{ "type": "foreign file"
, "content": "${HASH}"
, "fetch": "http://non-existent.example.org/data.txt"
, "name": "content.txt"
}
}
, "local": {"repository": {"type": "file", "path": "."}}
, "": {"repository": "data", "target_root": "local"}
}
}
EOF
echo "Repository configuration:"
cat repos.json
cat > TARGETS <<'EOF'
{ "":
{ "type": "generic"
, "outs": ["out.txt"]
, "cmds": ["cat content.txt | tr a-z A-Z > out.txt"]
, "deps": ["content.txt"]
}
}
EOF
# Build to verify that foreign-file roots work; this will also make just-mr
# aware of the file.
mkdir -p "${OUT}"
"${JUST_MR}" --norc --local-build-root "${LBR}" --just "${JUST}" \
-L '["env", "PATH='"${PATH}"'"]' \
--distdir "${DISTDIR}" \
install -o "${OUT}" 2>&1
grep THIS-IS-THE-CONTENT "${OUT}/out.txt"
# Remove distdir content
rm -rf "${DISTDIR}"
mkdir -p "${DISTDIR}"
# Ask just-mr to fetch to the empty distdir
"${JUST_MR}" --norc --local-build-root "${LBR}" fetch -o "${DISTDIR}" 2>&1
test -f "${DISTDIR}/data.txt"
NEW_HASH=$(git hash-object "${DISTDIR}/data.txt")
test "${HASH}" = "${NEW_HASH}"
# Verify that the root is properly cached, i.e., that we can build again
# after cleaning out cache and CAS, and without using the distdir
"${JUST}" gc --local-build-root "${LBR}" 2>&1
"${JUST}" gc --local-build-root "${LBR}" 2>&1
rm -f "${OUT}/out.txt"
"${JUST_MR}" --norc --local-build-root "${LBR}" --just "${JUST}" \
-L '["env", "PATH='"${PATH}"'"]' \
install -o "${OUT}" 2>&1
grep THIS-IS-THE-CONTENT "${OUT}/out.txt"
echo OK
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