feat(third_party/bazel): Check in rules_haskell from Tweag
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Vincent Ambo
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2eb1dc26e4
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f723b8b878
479 changed files with 51484 additions and 0 deletions
128
third_party/bazel/rules_haskell/haskell/private/coverage_wrapper.sh.tpl
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third_party/bazel/rules_haskell/haskell/private/coverage_wrapper.sh.tpl
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#!/usr/bin/env bash
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# A wrapper for Haskell binaries which have been instrumented for hpc code coverage.
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# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
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set -euo pipefail
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if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
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if [[ -f "$0.runfiles_manifest" ]]; then
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export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
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elif [[ -f "$0.runfiles/MANIFEST" ]]; then
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export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
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elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
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export RUNFILES_DIR="$0.runfiles"
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fi
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fi
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if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
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source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
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elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
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source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
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"$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
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else
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echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
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exit 1
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fi
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# --- end runfiles.bash initialization ---
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ERRORCOLOR='\033[1;31m'
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CLEARCOLOR='\033[0m'
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binary_path=$(rlocation {binary_path})
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hpc_path=$(rlocation {hpc_path})
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tix_file_path={tix_file_path}
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coverage_report_format={coverage_report_format}
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strict_coverage_analysis={strict_coverage_analysis}
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package_path={package_path}
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# either of the two expected coverage metrics should be set to -1 if they're meant to be unused
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expected_covered_expressions_percentage={expected_covered_expressions_percentage}
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expected_uncovered_expression_count={expected_uncovered_expression_count}
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# gather the hpc directories
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hpc_dir_args=""
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mix_file_paths={mix_file_paths}
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for m in "${mix_file_paths[@]}"
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do
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absolute_mix_file_path=$(rlocation $m)
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hpc_parent_dir=$(dirname $absolute_mix_file_path)
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trimmed_hpc_parent_dir=$(echo "${hpc_parent_dir%%.hpc*}")
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hpc_dir_args="$hpc_dir_args --hpcdir=$trimmed_hpc_parent_dir.hpc"
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done
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# gather the modules to exclude from the coverage analysis
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hpc_exclude_args=""
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modules_to_exclude={modules_to_exclude}
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for m in "${modules_to_exclude[@]}"
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do
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hpc_exclude_args="$hpc_exclude_args --exclude=$m"
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done
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# run the test binary, and then generate the report
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$binary_path "$@" > /dev/null 2>&1
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$hpc_path report "$tix_file_path" $hpc_dir_args $hpc_exclude_args \
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--srcdir "." --srcdir "$package_path" > __hpc_coverage_report
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# if we want a text report, just output the file generated in the previous step
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if [ "$coverage_report_format" == "text" ]
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then
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echo "Overall report"
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cat __hpc_coverage_report
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fi
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# check the covered expression percentage, and if it matches our expectations
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if [ "$expected_covered_expressions_percentage" -ne -1 ]
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then
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covered_expression_percentage=$(grep "expressions used" __hpc_coverage_report | cut -c 1-3)
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if [ "$covered_expression_percentage" -lt "$expected_covered_expressions_percentage" ]
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then
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echo -e "\n==>$ERRORCOLOR Inadequate expression coverage percentage.$CLEARCOLOR"
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echo -e "==> Expected $expected_covered_expressions_percentage%, but the actual coverage was $ERRORCOLOR$(($covered_expression_percentage))%$CLEARCOLOR.\n"
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exit 1
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elif [ "$strict_coverage_analysis" == "True" ] && [ "$covered_expression_percentage" -gt "$expected_covered_expressions_percentage" ]
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then
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echo -e "\n==>$ERRORCOLOR ** BECAUSE STRICT COVERAGE ANALYSIS IS ENABLED **$CLEARCOLOR"
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echo -e "==> Your coverage percentage is now higher than expected.$CLEARCOLOR"
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echo -e "==> Expected $expected_covered_expressions_percentage% of expressions covered, but the actual value is $ERRORCOLOR$(($covered_expression_percentage))%$CLEARCOLOR."
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echo -e "==> Please increase the expected coverage percentage to match.\n"
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exit 1
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fi
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fi
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# check how many uncovered expressions there are, and if that number matches our expectations
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if [ "$expected_uncovered_expression_count" -ne -1 ]
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then
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coverage_numerator=$(grep "expressions used" __hpc_coverage_report | sed s:.*\(::g | cut -f1 -d "/")
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coverage_denominator=$(grep "expressions used" __hpc_coverage_report | sed s:.*/::g | cut -f1 -d ")")
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uncovered_expression_count="$(($coverage_denominator - $coverage_numerator))"
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if [ "$uncovered_expression_count" -gt "$expected_uncovered_expression_count" ]
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then
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echo -e "\n==>$ERRORCOLOR Too many uncovered expressions.$CLEARCOLOR"
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echo -e "==> Expected $expected_uncovered_expression_count uncovered expressions, but the actual count was $ERRORCOLOR$(($uncovered_expression_count))$CLEARCOLOR.\n"
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exit 1
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elif [ "$strict_coverage_analysis" == "True" ] && [ "$uncovered_expression_count" -lt "$expected_uncovered_expression_count" ]
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then
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echo -e "\n==>$ERRORCOLOR ** BECAUSE STRICT COVERAGE ANALYSIS IS ENABLED **$CLEARCOLOR"
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echo -e "==>$ERRORCOLOR Your uncovered expression count is now lower than expected.$CLEARCOLOR"
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echo -e "==> Expected $expected_uncovered_expression_count uncovered expressions, but there is $ERRORCOLOR$(($uncovered_expression_count))$CLEARCOLOR."
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echo -e "==> Please lower the expected uncovered expression count to match.\n"
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exit 1
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fi
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fi
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# if we want an html report, run the hpc binary again with the "markup" command,
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# and feed its generated files into stdout, wrapped in XML tags
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if [ "$coverage_report_format" == "html" ]
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then
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$hpc_path markup "$tix_file_path" $hpc_dir_args $hpc_exclude_args \
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--srcdir "." --srcdir "$package_path" --destdir=hpc_out > /dev/null 2>&1
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cd hpc_out
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echo "COVERAGE REPORT BELOW"
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echo "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"
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for file in *.html **/*.hs.html; do
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[ -e "$file" ] || continue
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echo "<coverage-report-part name=\"$file\">"
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echo '<![CDATA['
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cat $file
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echo ']]>'
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echo "</coverage-report-part>"
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done
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echo "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"
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fi
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