Thomas Pelletier
163 lines
3.2 KiB
Bash
Executable File
163 lines
3.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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stderr() {
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echo "$@" 1>&2
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}
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usage() {
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b=$(basename "$0")
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echo $b: ERROR: "$@" 1>&2
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cat 1>&2 <<EOF
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DESCRIPTION
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$(basename "$0") is the script to run continuous integration commands for
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go-toml on unix.
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Requires Go and Git to be available in the PATH. Expects to be ran from the
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root of go-toml's Git repository.
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USAGE
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$b COMMAND [OPTIONS...]
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COMMANDS
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benchmark [OPTIONS...] [BRANCH]
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Run benchmarks.
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ARGUMENTS
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BRANCH Optional. Defines which Git branch to use when running
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benchmarks.
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OPTIONS
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-d Compare benchmarks of HEAD with BRANCH using benchstats. In
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this form the BRANCH argument is required.
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coverage [OPTIONS...] [BRANCH]
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Generates code coverage.
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ARGUMENTS
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BRANCH Optional. Defines which Git branch to use when reporting
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coverage. Defaults to HEAD.
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OPTIONS
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-d Compare coverage of HEAD with the one of BRANCH. In this form,
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the BRANCH argument is required. Exit code is non-zero when
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coverage percentage decreased.
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EOF
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exit 1
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}
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cover() {
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branch="${1}"
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dir="$(mktemp -d)"
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stderr "Executing coverage for ${branch} at ${dir}"
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if [ "${branch}" = "HEAD" ]; then
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cp -r . "${dir}/"
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else
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git worktree add "$dir" "$branch"
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fi
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pushd "$dir"
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go test -covermode=atomic -coverprofile=coverage.out ./...
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go tool cover -func=coverage.out
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popd
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if [ "${branch}" != "HEAD" ]; then
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git worktree remove --force "$dir"
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fi
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}
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coverage() {
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case "$1" in
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-d)
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shift
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target="${1?Need to provide a target branch argument}"
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output_dir="$(mktemp -d)"
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target_out="${output_dir}/target.txt"
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head_out="${output_dir}/head.txt"
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cover "${target}" > "${target_out}"
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cover "HEAD" > "${head_out}"
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cat "${target_out}"
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cat "${head_out}"
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echo ""
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target_pct="$(cat ${target_out} |sed -E 's/.*total.*\t([0-9.]+)%/\1/;t;d')"
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head_pct="$(cat ${head_out} |sed -E 's/.*total.*\t([0-9.]+)%/\1/;t;d')"
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echo "Results: ${target} ${target_pct}% HEAD ${head_pct}%"
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delta_pct=$(echo "$head_pct - $target_pct" | bc -l)
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echo "Delta: ${delta_pct}"
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if [[ $delta_pct = \-* ]]; then
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echo "Regression!";
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return 1
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fi
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return 0
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;;
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esac
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cover "${1-HEAD}"
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}
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bench() {
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branch="${1}"
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out="${2}"
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dir="$(mktemp -d)"
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stderr "Executing benchmark for ${branch} at ${dir}"
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if [ "${branch}" = "HEAD" ]; then
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cp -r . "${dir}/"
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else
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git worktree add "$dir" "$branch"
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fi
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pushd "$dir"
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go test -bench=. -count=10 ./... | tee "${out}"
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popd
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if [ "${branch}" != "HEAD" ]; then
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git worktree remove --force "$dir"
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fi
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}
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benchmark() {
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case "$1" in
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-d)
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shift
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target="${1?Need to provide a target branch argument}"
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old=`mktemp`
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bench "${target}" "${old}"
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new=`mktemp`
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bench HEAD "${new}"
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benchstat "${old}" "${new}"
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return 0
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;;
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esac
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bench "${1-HEAD}" `mktemp`
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}
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case "$1" in
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coverage) shift; coverage $@;;
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benchmark) shift; benchmark $@;;
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*) usage "bad argument $1";;
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esac
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