lint: drop DIR_IWYU global

Author: fanquake

ci/test/00_setup_env.sh

@@ -67,7 +67,6 @@ export BASE_BUILD_DIR=${BASE_BUILD_DIR:-$BASE_SCRATCH_DIR/build}
 # The folder for previous release binaries.
 # This folder exists only on the ci guest, and on the ci host as a volume.
 export PREVIOUS_RELEASES_DIR=${PREVIOUS_RELEASES_DIR:-$BASE_ROOT_DIR/releases/$HOST}
-export DIR_IWYU="${BASE_SCRATCH_DIR}/iwyu"
 export SDK_URL=${SDK_URL:-https://bitcoincore.org/depends-sources/sdks}
 export CI_BASE_PACKAGES=${CI_BASE_PACKAGES:-build-essential libtool autotools-dev automake pkg-config bsdmainutils curl ca-certificates ccache python3 rsync git procps bison}
 export GOAL=${GOAL:-install}

ci/test/01_base_install.sh

@@ -72,9 +72,9 @@ if [[ ${USE_MEMORY_SANITIZER} == "true" ]]; then
 fi
 
 if [[ "${RUN_TIDY}" == "true" ]]; then
-  git clone --depth=1 https://github.com/include-what-you-use/include-what-you-use -b clang_16 "${DIR_IWYU}"/include-what-you-use
-  cmake -B "${DIR_IWYU}"/build/ -G 'Unix Makefiles' -DCMAKE_PREFIX_PATH=/usr/lib/llvm-16 -S "${DIR_IWYU}"/include-what-you-use
-  make -C "${DIR_IWYU}"/build/ install "$MAKEJOBS"
+  git clone --depth=1 https://github.com/include-what-you-use/include-what-you-use -b clang_16 /include-what-you-use
+  cmake -B /iwyu-build/ -G 'Unix Makefiles' -DCMAKE_PREFIX_PATH=/usr/lib/llvm-16 -S /include-what-you-use
+  make -C /iwyu-build/ install "$MAKEJOBS"
 fi
 
 mkdir -p "${DEPENDS_DIR}/SDKs" "${DEPENDS_DIR}/sdk-sources"

ci/test/06_script_b.sh

@@ -158,13 +158,13 @@ if [ "${RUN_TIDY}" = "true" ]; then
   jq 'map(select(.file | test("src/qt/qrc_.*\\.cpp$|/moc_.*\\.cpp$") | not))' ../compile_commands.json > tmp.json
   mv tmp.json ../compile_commands.json
   cd "${BASE_BUILD_DIR}/bitcoin-$HOST/"
-  python3 "${DIR_IWYU}/include-what-you-use/iwyu_tool.py" \
+  python3 "/include-what-you-use/iwyu_tool.py" \
            -p . "${MAKEJOBS}" \
            -- -Xiwyu --cxx17ns -Xiwyu --mapping_file="${BASE_BUILD_DIR}/bitcoin-$HOST/contrib/devtools/iwyu/bitcoin.core.imp" \
            -Xiwyu --max_line_length=160 \
            2>&1 | tee /tmp/iwyu_ci.out
   cd "${BASE_ROOT_DIR}/src"
-  python3 "${DIR_IWYU}/include-what-you-use/fix_includes.py" --nosafe_headers < /tmp/iwyu_ci.out
+  python3 "/include-what-you-use/fix_includes.py" --nosafe_headers < /tmp/iwyu_ci.out
   git --no-pager diff
 fi