checksum: prepare further behavior fix with a rework #18532

Workflow file for this run

	name: CICD

	# spell-checker:ignore (abbrev/names) CICD CodeCOV MacOS MinGW MSVC musl taiki
	# spell-checker:ignore (env/flags) Awarnings Ccodegen Coverflow Cpanic Dwarnings RUSTDOCFLAGS RUSTFLAGS Zpanic CARGOFLAGS
	# spell-checker:ignore (jargon) SHAs deps dequote softprops subshell toolchain fuzzers
	# spell-checker:ignore (people) Peltoche rivy dtolnay
	# spell-checker:ignore (shell/tools) choco clippy dmake dpkg esac fakeroot fdesc fdescfs gmake grcov halium lcov libssl mkdir popd printf pushd rsync rustc rustfmt rustup shopt utmpdump xargs
	# spell-checker:ignore (misc) aarch alnum armhf bindir busytest coreutils defconfig DESTDIR gecos gnueabihf issuecomment maint multisize nullglob onexitbegin onexitend pell runtest Swatinem tempfile testsuite toybox uutils

	env:
	PROJECT_NAME: coreutils
	PROJECT_DESC: "Core universal (cross-platform) utilities"
	PROJECT_AUTH: "uutils"
	RUST_MIN_SRV: "1.70.0"
	# * style job configuration
	STYLE_FAIL_ON_FAULT: true ## (bool) fail the build if a style job contains a fault (error or warning); may be overridden on a per-job basis

	on:
	pull_request:
	push:
	tags:
	- '*'
	branches:
	- main

	permissions:
	contents: read # to fetch code (actions/checkout)

	# End the current execution if there is a new changeset in the PR.
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

	jobs:
	cargo-deny:
	name: Style/cargo-deny
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: EmbarkStudios/cargo-deny-action@v2

	style_deps:
	## ToDO: [2021-11-10; rivy] 'Style/deps' needs more informative output and better integration of results into the GHA dashboard
	name: Style/deps
	runs-on: ${{ matrix.job.os }}
	strategy:
	fail-fast: false
	matrix:
	job:
	# note: `cargo-udeps` panics when processing stdbuf/libstdbuf ("uu_stdbuf_libstdbuf"); either b/c of the 'cpp' crate or 'libstdbuf' itself
	# ... b/c of the panic, a more limited feature set is tested (though only excluding `stdbuf`)
	- { os: ubuntu-latest , features: "feat_Tier1,feat_require_unix,feat_require_unix_utmpx" }
	- { os: macos-latest , features: "feat_Tier1,feat_require_unix,feat_require_unix_utmpx" }
	- { os: windows-latest , features: feat_os_windows }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	## note: requires 'nightly' toolchain b/c `cargo-udeps` uses the `rustc` '-Z save-analysis' option
	## * ... ref: <https://github.com/est31/cargo-udeps/issues/73>
	- uses: taiki-e/install-action@cargo-udeps
	- uses: Swatinem/rust-cache@v2
	- name: Initialize workflow variables
	id: vars
	shell: bash
	run: \|
	## VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	# failure mode
	unset FAIL_ON_FAULT ; case '${{ env.STYLE_FAIL_ON_FAULT }}' in
	''\|0\|f\|false\|n\|no\|off) FAULT_TYPE=warning ;;
	*) FAIL_ON_FAULT=true ; FAULT_TYPE=error ;;
	esac;
	outputs FAIL_ON_FAULT FAULT_TYPE
	# target-specific options
	# * CARGO_FEATURES_OPTION
	CARGO_FEATURES_OPTION='' ;
	if [ -n "${{ matrix.job.features }}" ]; then CARGO_FEATURES_OPTION='--features "${{ matrix.job.features }}"' ; fi
	outputs CARGO_FEATURES_OPTION
	- name: Detect unused dependencies
	shell: bash
	run: \|
	## Detect unused dependencies
	unset fault
	fault_type="${{ steps.vars.outputs.FAULT_TYPE }}"
	fault_prefix=$(echo "$fault_type" \| tr '[:lower:]' '[:upper:]')
	#
	cargo +nightly udeps ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --all-targets &> udeps.log \|\| cat udeps.log
	grep --ignore-case "all deps seem to have been used" udeps.log \|\| { printf "%s\n" "::${fault_type} ::${fault_prefix}: \`cargo udeps\`: style violation (unused dependency found)" ; fault=true ; }
	if [ -n "${{ steps.vars.outputs.FAIL_ON_FAULT }}" ] && [ -n "$fault" ]; then exit 1 ; fi

	doc_warnings:
	name: Documentation/warnings
	runs-on: ${{ matrix.job.os }}
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest , features: feat_os_unix }
	# for now, don't build it on mac & windows because the doc is only published from linux
	# + it needs a bunch of duplication for build
	# and I don't want to add a doc step in the regular build to avoid long builds
	# - { os: macos-latest , features: feat_os_macos }
	# - { os: windows-latest , features: feat_os_windows }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: stable
	components: clippy
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Initialize workflow variables
	id: vars
	shell: bash
	run: \|
	## VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	# failure mode
	unset FAIL_ON_FAULT ; case '${{ env.STYLE_FAIL_ON_FAULT }}' in
	''\|0\|f\|false\|n\|no\|off) FAULT_TYPE=warning ;;
	*) FAIL_ON_FAULT=true ; FAULT_TYPE=error ;;
	esac;
	outputs FAIL_ON_FAULT FAULT_TYPE
	# target-specific options
	# * CARGO_FEATURES_OPTION
	CARGO_FEATURES_OPTION='--all-features' ;
	if [ -n "${{ matrix.job.features }}" ]; then CARGO_FEATURES_OPTION='--features ${{ matrix.job.features }}' ; fi
	outputs CARGO_FEATURES_OPTION
	# * determine sub-crate utility list
	UTILITY_LIST="$(./util/show-utils.sh ${CARGO_FEATURES_OPTION})"
	echo UTILITY_LIST=${UTILITY_LIST}
	CARGO_UTILITY_LIST_OPTIONS="$(for u in ${UTILITY_LIST}; do echo -n "-puu_${u} "; done;)"
	outputs CARGO_UTILITY_LIST_OPTIONS
	- name: "`cargo doc` with warnings"
	shell: bash
	run: \|
	RUSTDOCFLAGS="-Dwarnings" cargo doc ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --no-deps --workspace --document-private-items
	- uses: DavidAnson/markdownlint-cli2-action@v17
	with:
	fix: "true"
	globs: \|
	*.md
	docs/src/*.md
	src/uu//.md

	min_version:
	name: MinRustV # Minimum supported rust version (aka, MinSRV or MSRV)
	runs-on: ${{ matrix.job.os }}
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	matrix:
	job:
	- { os: ubuntu-latest , features: feat_os_unix }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUST_MIN_SRV }}
	components: rustfmt
	- uses: taiki-e/install-action@nextest
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Initialize workflow variables
	id: vars
	shell: bash
	run: \|
	## VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	# target-specific options
	# * CARGO_FEATURES_OPTION
	unset CARGO_FEATURES_OPTION
	if [ -n "${{ matrix.job.features }}" ]; then CARGO_FEATURES_OPTION='--features "${{ matrix.job.features }}"' ; fi
	outputs CARGO_FEATURES_OPTION
	- name: Confirm MinSRV compatible 'Cargo.lock'
	shell: bash
	run: \|
	## Confirm MinSRV compatible 'Cargo.lock'
	# * 'Cargo.lock' is required to be in a format that `cargo` of MinSRV can interpret (eg, v1-format for MinSRV < v1.38)
	cargo fetch --locked --quiet \|\| { echo "::error file=Cargo.lock::Incompatible (or out-of-date) 'Cargo.lock' file; update using \`cargo +${{ env.RUST_MIN_SRV }} update\`" ; exit 1 ; }
	- name: Confirm MinSRV equivalence for '.clippy.toml'
	shell: bash
	run: \|
	## Confirm MinSRV equivalence for '.clippy.toml'
	# * ensure '.clippy.toml' MSRV configuration setting is equal to ${{ env.RUST_MIN_SRV }}
	CLIPPY_MSRV=$(grep -P "(?i)^\smsrv\s=\s*" .clippy.toml \| grep -oP "\d+([.]\d+)+")
	if [ "${CLIPPY_MSRV}" != "${{ env.RUST_MIN_SRV }}" ]; then { echo "::error file=.clippy.toml::Incorrect MSRV configuration for clippy (found '${CLIPPY_MSRV}'; should be '${{ env.RUST_MIN_SRV }}'); update '.clippy.toml' with 'msrv = \"${{ env.RUST_MIN_SRV }}\"'" ; exit 1 ; } ; fi
	- name: Info
	shell: bash
	run: \|
	## Info
	# environment
	echo "## environment"
	echo "CI='${CI}'"
	# tooling info display
	echo "## tooling"
	which gcc >/dev/null 2>&1 && (gcc --version \| head -1) \|\| true
	rustup -V 2>/dev/null
	rustup show active-toolchain
	cargo -V
	rustc -V
	cargo tree -V
	# dependencies
	echo "## dependency list"
	## * using the 'stable' toolchain is necessary to avoid "unexpected '--filter-platform'" errors
	RUSTUP_TOOLCHAIN=stable cargo fetch --locked --quiet
	RUSTUP_TOOLCHAIN=stable cargo tree --no-dedupe --locked -e=no-dev --prefix=none ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} \| grep -vE "$PWD" \| sort --unique
	- name: Test
	run: cargo nextest run --hide-progress-bar --profile ci ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} -p uucore -p coreutils
	env:
	RUSTFLAGS: "-Awarnings"
	RUST_BACKTRACE: "1"

	deps:
	name: Dependencies
	runs-on: ${{ matrix.job.os }}
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest , features: feat_os_unix }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- name: "`cargo update` testing"
	shell: bash
	run: \|
	## `cargo update` testing
	# * convert any errors/warnings to GHA UI annotations; ref: <https://help.github.com/en/actions/reference/workflow-commands-for-github-actions#setting-a-warning-message>
	cargo fetch --locked --quiet \|\| { echo "::error file=Cargo.lock::'Cargo.lock' file requires update (use \`cargo +${{ env.RUST_MIN_SRV }} update\`)" ; exit 1 ; }

	build_makefile:
	name: Build/Makefile
	needs: [ min_version, deps ]
	runs-on: ${{ matrix.job.os }}
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest , features: feat_os_unix }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: taiki-e/install-action@nextest
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: "`make build`"
	shell: bash
	run: \|
	make build
	- name: "`make nextest`"
	shell: bash
	run: make nextest CARGOFLAGS="--profile ci --hide-progress-bar"
	env:
	RUST_BACKTRACE: "1"
	- name: "`make install`"
	shell: bash
	run: \|
	DESTDIR=/tmp/ make PROFILE=release install
	# Check that the manpage is present
	test -f /tmp/usr/local/share/man/man1/whoami.1
	# Check that the completion is present
	test -f /tmp/usr/local/share/zsh/site-functions/_install
	test -f /tmp/usr/local/share/bash-completion/completions/head
	test -f /tmp/usr/local/share/fish/vendor_completions.d/cat.fish
	env:
	RUST_BACKTRACE: "1"
	- name: "`make uninstall`"
	shell: bash
	run: \|
	DESTDIR=/tmp/ make uninstall
	# Check that the manpage is not present
	! test -f /tmp/usr/local/share/man/man1/whoami.1
	# Check that the completion is not present
	! test -f /tmp/usr/local/share/zsh/site-functions/_install
	! test -f /tmp/usr/local/share/bash-completion/completions/head
	! test -f /tmp/usr/local/share/fish/vendor_completions.d/cat.fish

	build_rust_stable:
	name: Build/stable
	needs: [ min_version, deps ]
	runs-on: ${{ matrix.job.os }}
	timeout-minutes: 90
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest , features: feat_os_unix }
	- { os: macos-latest , features: feat_os_macos }
	- { os: windows-latest , features: feat_os_windows }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: taiki-e/install-action@nextest
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Test
	run: cargo nextest run --hide-progress-bar --profile ci --features ${{ matrix.job.features }}
	env:
	RUST_BACKTRACE: "1"

	build_rust_nightly:
	name: Build/nightly
	needs: [ min_version, deps ]
	runs-on: ${{ matrix.job.os }}
	timeout-minutes: 90
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest , features: feat_os_unix }
	- { os: macos-latest , features: feat_os_macos }
	- { os: windows-latest , features: feat_os_windows }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	- uses: taiki-e/install-action@nextest
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Test
	run: cargo nextest run --hide-progress-bar --profile ci --features ${{ matrix.job.features }}
	env:
	RUST_BACKTRACE: "1"

	compute_size:
	name: Binary sizes
	needs: [ min_version, deps ]
	runs-on: ${{ matrix.job.os }}
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest , features: feat_os_unix }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Install dependencies
	shell: bash
	run: \|
	## Install dependencies
	sudo apt-get update
	sudo apt-get install jq
	- name: "`make install`"
	shell: bash
	run: \|
	## `make install`
	make install DESTDIR=target/size-release/
	make install MULTICALL=y DESTDIR=target/size-multi-release/
	# strip the results
	strip target/size/usr/local/bin/
	- name: Compute uutil release sizes
	shell: bash
	run: \|
	## Compute uutil release sizes
	DATE=$(date --rfc-email)
	find target/size-release/usr/local/bin -type f -printf '%f\0' \| sort -z \|
	while IFS= read -r -d '' name; do
	size=$(du -s target/size-release/usr/local/bin/$name \| awk '{print $1}')
	echo "\"$name\""
	echo "$size"
	done \| \
	jq -n \
	--arg date "$DATE" \
	--arg sha "$GITHUB_SHA" \
	'reduce inputs as $name ({}; . + { ($name): input }) \| { ($date): {sha: $sha, sizes: map_values(.)} }' > individual-size-result.json
	SIZE=$(cat individual-size-result.json \| jq '[.[] \| .sizes \| .[]] \| reduce .[] as $num (0; . + $num)')
	SIZE_MULTI=$(du -s target/size-multi-release/usr/local/bin/coreutils \| awk '{print $1}')
	jq -n \
	--arg date "$DATE" \
	--arg sha "$GITHUB_SHA" \
	--arg size "$SIZE" \
	--arg multisize "$SIZE_MULTI" \
	'{($date): { sha: $sha, size: $size, multisize: $multisize, }}' > size-result.json
	- name: Download the previous individual size result
	uses: dawidd6/action-download-artifact@v6
	with:
	workflow: CICD.yml
	name: individual-size-result
	repo: uutils/coreutils
	path: dl
	- name: Download the previous size result
	uses: dawidd6/action-download-artifact@v6
	with:
	workflow: CICD.yml
	name: size-result
	repo: uutils/coreutils
	path: dl
	- name: Check uutil release sizes
	shell: bash
	run: \|
	check() {
	# Warn if the size increases by more than 5%
	threshold='1.05'

	if [[ "$2" -eq 0 \|\| "$3" -eq 0 ]]; then
	echo "::warning file=$4::Invalid size for $1. Sizes cannot be 0."
	return
	fi

	ratio=$(jq -n "$2 / $3")
	echo "$1: size=$2, previous_size=$3, ratio=$ratio, threshold=$threshold"
	if [[ "$(jq -n "$ratio > $threshold")" == 'true' ]]; then
	echo "::warning file=$4::Size of $1 increases by more than 5%"
	fi
	}
	## Check individual size result
	while read -r name previous_size; do
	size=$(cat individual-size-result.json \| jq -r ".[] \| .sizes \| .\"$name\"")
	check "\`$name\` binary" "$size" "$previous_size" 'individual-size-result.json'
	done < <(cat dl/individual-size-result.json \| jq -r '.[] \| .sizes \| to_entries[] \| "\(.key) \(.value)"')
	## Check size result
	size=$(cat size-result.json \| jq -r '.[] \| .size')
	previous_size=$(cat dl/size-result.json \| jq -r '.[] \| .size')
	check 'multiple binaries' "$size" "$previous_size" 'size-result.json'
	multisize=$(cat size-result.json \| jq -r '.[] \| .multisize')
	previous_multisize=$(cat dl/size-result.json \| jq -r '.[] \| .multisize')
	check 'multicall binary' "$multisize" "$previous_multisize" 'size-result.json'
	- name: Upload the individual size result
	uses: actions/upload-artifact@v4
	with:
	name: individual-size-result
	path: individual-size-result.json
	- name: Upload the size result
	uses: actions/upload-artifact@v4
	with:
	name: size-result
	path: size-result.json

	build:
	permissions:
	contents: write # to create GitHub release (softprops/action-gh-release)

	name: Build
	needs: [ min_version, deps ]
	runs-on: ${{ matrix.job.os }}
	timeout-minutes: 90
	env:
	DOCKER_OPTS: '--volume /etc/passwd:/etc/passwd --volume /etc/group:/etc/group'
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	# - { os , target , cargo-options , features , use-cross , toolchain, skip-tests }
	- { os: ubuntu-latest , target: arm-unknown-linux-gnueabihf, features: feat_os_unix_gnueabihf, use-cross: use-cross, skip-tests: true }
	- { os: ubuntu-latest , target: aarch64-unknown-linux-gnu , features: feat_os_unix_gnueabihf , use-cross: use-cross , skip-tests: true }
	- { os: ubuntu-latest , target: aarch64-unknown-linux-musl , features: feat_os_unix_musl , use-cross: use-cross , skip-tests: true }
	# - { os: ubuntu-latest , target: x86_64-unknown-linux-gnu , features: feat_selinux , use-cross: use-cross }
	- { os: ubuntu-latest , target: i686-unknown-linux-gnu , features: feat_os_unix , use-cross: use-cross }
	- { os: ubuntu-latest , target: i686-unknown-linux-musl , features: feat_os_unix_musl , use-cross: use-cross }
	- { os: ubuntu-latest , target: x86_64-unknown-linux-gnu , features: feat_os_unix , use-cross: use-cross }
	- { os: ubuntu-latest , target: x86_64-unknown-linux-musl , features: feat_os_unix_musl , use-cross: use-cross }
	- { os: ubuntu-latest , target: x86_64-unknown-redox , features: feat_os_unix_redox , use-cross: redoxer , skip-tests: true }
	- { os: macos-latest , target: aarch64-apple-darwin , features: feat_os_macos } # M1 CPU
	- { os: macos-13 , target: x86_64-apple-darwin , features: feat_os_macos }
	- { os: windows-latest , target: i686-pc-windows-msvc , features: feat_os_windows }
	- { os: windows-latest , target: x86_64-pc-windows-gnu , features: feat_os_windows }
	- { os: windows-latest , target: x86_64-pc-windows-msvc , features: feat_os_windows }
	- { os: windows-latest , target: aarch64-pc-windows-msvc , features: feat_os_windows, use-cross: use-cross , skip-tests: true }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUST_MIN_SRV }}
	targets: ${{ matrix.job.target }}
	- uses: Swatinem/rust-cache@v2
	with:
	key: "${{ matrix.job.os }}_${{ matrix.job.target }}"
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Initialize workflow variables
	id: vars
	shell: bash
	run: \|
	## VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	# toolchain
	TOOLCHAIN="stable" ## default to "stable" toolchain
	# * specify alternate/non-default TOOLCHAIN for -pc-windows-gnu targets; gnu targets on Windows are broken for the standard -pc-windows-msvc toolchain (refs: GH:rust-lang/rust#47048, GH:rust-lang/rust#53454, GH:rust-lang/cargo#6754)
	case ${{ matrix.job.target }} in *-pc-windows-gnu) TOOLCHAIN="stable-${{ matrix.job.target }}" ;; esac;
	# * use requested TOOLCHAIN if specified
	if [ -n "${{ matrix.job.toolchain }}" ]; then TOOLCHAIN="${{ matrix.job.toolchain }}" ; fi
	outputs TOOLCHAIN
	# staging directory
	STAGING='_staging'
	outputs STAGING
	# determine EXE suffix
	EXE_suffix="" ; case '${{ matrix.job.target }}' in -pc-windows-) EXE_suffix=".exe" ;; esac;
	outputs EXE_suffix
	# parse commit reference info
	echo GITHUB_REF=${GITHUB_REF}
	echo GITHUB_SHA=${GITHUB_SHA}
	REF_NAME=${GITHUB_REF#refs/*/}
	unset REF_BRANCH ; case "${GITHUB_REF}" in refs/heads/*) REF_BRANCH=${GITHUB_REF#refs/heads/} ;; esac;
	unset REF_TAG ; case "${GITHUB_REF}" in refs/tags/*) REF_TAG=${GITHUB_REF#refs/tags/} ;; esac;
	REF_SHAS=${GITHUB_SHA:0:10}
	outputs REF_NAME REF_BRANCH REF_TAG REF_SHAS
	# parse target
	unset TARGET_ARCH
	case '${{ matrix.job.target }}' in
	aarch64-*) TARGET_ARCH=arm64 ;;
	arm--hf) TARGET_ARCH=armhf ;;
	i586-*) TARGET_ARCH=i586 ;;
	i686-*) TARGET_ARCH=i686 ;;
	x86_64-*) TARGET_ARCH=x86_64 ;;
	esac;
	unset TARGET_OS
	case '${{ matrix.job.target }}' in
	-linux-) TARGET_OS=linux ;;
	-apple-) TARGET_OS=macos ;;
	-windows-) TARGET_OS=windows ;;
	-redox) TARGET_OS=redox ;;
	esac
	outputs TARGET_ARCH TARGET_OS
	# package name
	PKG_suffix=".tar.gz" ; case '${{ matrix.job.target }}' in -pc-windows-) PKG_suffix=".zip" ;; esac;
	PKG_BASENAME=${PROJECT_NAME}-${REF_TAG:-$REF_SHAS}-${{ matrix.job.target }}
	PKG_NAME=${PKG_BASENAME}${PKG_suffix}
	outputs PKG_suffix PKG_BASENAME PKG_NAME
	# deployable tag? (ie, leading "vM" or "M"; M == version number)
	unset DEPLOY ; if [[ $REF_TAG =~ ^[vV]?[0-9].* ]]; then DEPLOY='true' ; fi
	outputs DEPLOY
	# DPKG architecture?
	unset DPKG_ARCH
	case ${{ matrix.job.target }} in
	x86_64--linux-) DPKG_ARCH=amd64 ;;
	-linux-) DPKG_ARCH=${TARGET_ARCH} ;;
	esac
	outputs DPKG_ARCH
	# DPKG version?
	unset DPKG_VERSION ; if [[ $REF_TAG =~ ^[vV]?[0-9].* ]]; then DPKG_VERSION=${REF_TAG/#[vV]/} ; fi
	outputs DPKG_VERSION
	# DPKG base name/conflicts?
	DPKG_BASENAME=${PROJECT_NAME}
	DPKG_CONFLICTS=${PROJECT_NAME}-musl
	case ${{ matrix.job.target }} in *-musl) DPKG_BASENAME=${PROJECT_NAME}-musl ; DPKG_CONFLICTS=${PROJECT_NAME} ;; esac;
	outputs DPKG_BASENAME DPKG_CONFLICTS
	# DPKG name
	unset DPKG_NAME;
	if [[ -n $DPKG_ARCH && -n $DPKG_VERSION ]]; then DPKG_NAME="${DPKG_BASENAME}_${DPKG_VERSION}_${DPKG_ARCH}.deb" ; fi
	outputs DPKG_NAME
	# target-specific options
	# * CARGO_FEATURES_OPTION
	CARGO_FEATURES_OPTION='' ;
	if [ -n "${{ matrix.job.features }}" ]; then CARGO_FEATURES_OPTION='--features=${{ matrix.job.features }}' ; fi
	outputs CARGO_FEATURES_OPTION
	# * CARGO_CMD
	CARGO_CMD='cross'
	CARGO_CMD_OPTIONS='+${{ env.RUST_MIN_SRV }}'
	case '${{ matrix.job.use-cross }}' in
	''\|0\|f\|false\|n\|no)
	CARGO_CMD='cargo'
	;;
	redoxer)
	CARGO_CMD='redoxer'
	CARGO_CMD_OPTIONS=''
	;;
	esac
	outputs CARGO_CMD
	outputs CARGO_CMD_OPTIONS
	# ** pass needed environment into `cross` container (iff `cross` not already configured via "Cross.toml")
	if [ "${CARGO_CMD}" = 'cross' ] && [ ! -e "Cross.toml" ] ; then
	printf "[build.env]\npassthrough = [\"CI\", \"RUST_BACKTRACE\", \"CARGO_TERM_COLOR\"]\n" > Cross.toml
	fi
	# * executable for `strip`?
	STRIP="strip"
	case ${{ matrix.job.target }} in
	aarch64--linux-) STRIP="aarch64-linux-gnu-strip" ;;
	arm-*-linux-gnueabihf) STRIP="arm-linux-gnueabihf-strip" ;;
	*-pc-windows-msvc) STRIP="" ;;
	esac;
	outputs STRIP
	- uses: taiki-e/install-action@v2
	if: steps.vars.outputs.CARGO_CMD == 'cross'
	with:
	tool: cross@0.2.5
	- name: Create all needed build/work directories
	shell: bash
	run: \|
	## Create build/work space
	mkdir -p '${{ steps.vars.outputs.STAGING }}'
	mkdir -p '${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.PKG_BASENAME }}'
	mkdir -p '${{ steps.vars.outputs.STAGING }}/dpkg'
	- name: Install/setup prerequisites
	shell: bash
	run: \|
	## Install/setup prerequisites
	case '${{ matrix.job.target }}' in
	arm-unknown-linux-gnueabihf)
	sudo apt-get -y update
	sudo apt-get -y install gcc-arm-linux-gnueabihf
	;;
	aarch64-unknown-linux-*)
	sudo apt-get -y update
	sudo apt-get -y install gcc-aarch64-linux-gnu
	;;
	-redox)
	sudo apt-get -y update
	sudo apt-get -y install fuse3 libfuse-dev
	;;
	# Update binutils if MinGW due to https://github.com/rust-lang/rust/issues/112368
	x86_64-pc-windows-gnu)
	C:/msys64/usr/bin/pacman.exe -Sy --needed mingw-w64-x86_64-gcc --noconfirm
	echo "C:\msys64\mingw64\bin" >> $GITHUB_PATH
	;;
	esac
	case '${{ matrix.job.os }}' in
	macos-latest) brew install coreutils ;; # needed for testing
	esac
	case '${{ matrix.job.os }}' in
	ubuntu-*)
	# pinky is a tool to show logged-in users from utmp, and gecos fields from /etc/passwd.
	# In GitHub Action *nix VMs, no accounts log in, even the "runner" account that runs the commands. The account also has empty gecos fields.
	# To work around this for pinky tests, we create a fake login entry for the GH runner account...
	FAKE_UTMP='[7] [999999] [tty2] [runner] [tty2] [] [0.0.0.0] [2022-02-22T22:22:22,222222+00:00]'
	# ... by dumping the login records, adding our fake line, then reverse dumping ...
	(utmpdump /var/run/utmp ; echo $FAKE_UTMP) \| sudo utmpdump -r -o /var/run/utmp
	# ... and add a full name to each account with a gecos field but no full name.
	sudo sed -i 's/:,/:runner name,/' /etc/passwd
	# We also create a couple optional files pinky looks for
	touch /home/runner/.project
	echo "foo" > /home/runner/.plan
	;;
	esac
	- uses: taiki-e/install-action@v2
	if: steps.vars.outputs.CARGO_CMD == 'redoxer'
	with:
	tool: redoxer@0.2.37
	- name: Initialize toolchain-dependent workflow variables
	id: dep_vars
	shell: bash
	run: \|
	## Dependent VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	# * determine sub-crate utility list
	UTILITY_LIST="$(./util/show-utils.sh ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }})"
	echo UTILITY_LIST=${UTILITY_LIST}
	CARGO_UTILITY_LIST_OPTIONS="$(for u in ${UTILITY_LIST}; do echo -n "-puu_${u} "; done;)"
	outputs CARGO_UTILITY_LIST_OPTIONS
	- name: Info
	shell: bash
	run: \|
	## Info
	# commit info
	echo "## commit"
	echo GITHUB_REF=${GITHUB_REF}
	echo GITHUB_SHA=${GITHUB_SHA}
	# environment
	echo "## environment"
	echo "CI='${CI}'"
	# tooling info display
	echo "## tooling"
	which gcc >/dev/null 2>&1 && (gcc --version \| head -1) \|\| true
	rustup -V 2>/dev/null
	rustup show active-toolchain
	cargo -V
	rustc -V
	cargo tree -V
	# dependencies
	echo "## dependency list"
	cargo fetch --locked --quiet
	cargo tree --locked --target=${{ matrix.job.target }} ${{ matrix.job.cargo-options }} ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} --no-dedupe -e=no-dev --prefix=none \| grep -vE "$PWD" \| sort --unique
	- name: Build
	shell: bash
	run: \|
	## Build
	${{ steps.vars.outputs.CARGO_CMD }} ${{ steps.vars.outputs.CARGO_CMD_OPTIONS }} build --release \
	--target=${{ matrix.job.target }} ${{ matrix.job.cargo-options }} ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }}
	- name: Test
	if: matrix.job.skip-tests != true
	shell: bash
	run: \|
	## Test
	${{ steps.vars.outputs.CARGO_CMD }} ${{ steps.vars.outputs.CARGO_CMD_OPTIONS }} test --target=${{ matrix.job.target }} \
	${{ steps.vars.outputs.CARGO_TEST_OPTIONS}} ${{ matrix.job.cargo-options }} ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }}
	env:
	RUST_BACKTRACE: "1"
	- name: Test individual utilities
	if: matrix.job.skip-tests != true
	shell: bash
	run: \|
	## Test individual utilities
	${{ steps.vars.outputs.CARGO_CMD }} ${{ steps.vars.outputs.CARGO_CMD_OPTIONS }} test --target=${{ matrix.job.target }} \
	${{ matrix.job.cargo-options }} ${{ steps.dep_vars.outputs.CARGO_UTILITY_LIST_OPTIONS }}
	env:
	RUST_BACKTRACE: "1"
	- name: Archive executable artifacts
	uses: actions/upload-artifact@v4
	with:
	name: ${{ env.PROJECT_NAME }}-${{ matrix.job.target }}
	path: target/${{ matrix.job.target }}/release/${{ env.PROJECT_NAME }}${{ steps.vars.outputs.EXE_suffix }}
	- name: Package
	shell: bash
	run: \|
	## Package artifact(s)
	# binary
	cp 'target/${{ matrix.job.target }}/release/${{ env.PROJECT_NAME }}${{ steps.vars.outputs.EXE_suffix }}' '${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.PKG_BASENAME }}/'
	# `strip` binary (if needed)
	if [ -n "${{ steps.vars.outputs.STRIP }}" ]; then "${{ steps.vars.outputs.STRIP }}" '${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.PKG_BASENAME }}/${{ env.PROJECT_NAME }}${{ steps.vars.outputs.EXE_suffix }}' ; fi
	# README and LICENSE
	# * spell-checker:ignore EADME ICENSE
	(shopt -s nullglob; for f in [R]"EADME"{,.*}; do cp $f '${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.PKG_BASENAME }}/' ; done)
	(shopt -s nullglob; for f in [L]"ICENSE"{-,}{,.}; do cp $f '${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.PKG_BASENAME }}/' ; done)
	# core compressed package
	pushd '${{ steps.vars.outputs.STAGING }}/' >/dev/null
	case '${{ matrix.job.target }}' in
	-pc-windows-) 7z -y a '${{ steps.vars.outputs.PKG_NAME }}' '${{ steps.vars.outputs.PKG_BASENAME }}'/* \| tail -2 ;;
	) tar czf '${{ steps.vars.outputs.PKG_NAME }}' '${{ steps.vars.outputs.PKG_BASENAME }}'/ ;;
	esac
	popd >/dev/null
	# dpkg
	if [ -n "${{ steps.vars.outputs.DPKG_NAME }}" ]; then
	DPKG_DIR="${{ steps.vars.outputs.STAGING }}/dpkg"
	# binary
	install -Dm755 'target/${{ matrix.job.target }}/release/${{ env.PROJECT_NAME }}${{ steps.vars.outputs.EXE_suffix }}' "${DPKG_DIR}/usr/bin/${{ env.PROJECT_NAME }}${{ steps.vars.outputs.EXE_suffix }}"
	if [ -n "${{ steps.vars.outputs.STRIP }}" ]; then "${{ steps.vars.outputs.STRIP }}" "${DPKG_DIR}/usr/bin/${{ env.PROJECT_NAME }}${{ steps.vars.outputs.EXE_suffix }}" ; fi
	# README and LICENSE
	(shopt -s nullglob; for f in [R]"EADME"{,.*}; do install -Dm644 "$f" "${DPKG_DIR}/usr/share/doc/${{ env.PROJECT_NAME }}/$f" ; done)
	(shopt -s nullglob; for f in [L]"ICENSE"{-,}{,.}; do install -Dm644 "$f" "${DPKG_DIR}/usr/share/doc/${{ env.PROJECT_NAME }}/$f" ; done)
	# control file
	mkdir -p "${DPKG_DIR}/DEBIAN"
	printf "Package: ${{ steps.vars.outputs.DPKG_BASENAME }}\nVersion: ${{ steps.vars.outputs.DPKG_VERSION }}\nSection: utils\nPriority: optional\nMaintainer: ${{ env.PROJECT_AUTH }}\nArchitecture: ${{ steps.vars.outputs.DPKG_ARCH }}\nProvides: ${{ env.PROJECT_NAME }}\nConflicts: ${{ steps.vars.outputs.DPKG_CONFLICTS }}\nDescription: ${{ env.PROJECT_DESC }}\n" > "${DPKG_DIR}/DEBIAN/control"
	# build dpkg
	fakeroot dpkg-deb --build "${DPKG_DIR}" "${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.DPKG_NAME }}"
	fi
	- name: Publish
	uses: softprops/action-gh-release@v2
	if: steps.vars.outputs.DEPLOY
	with:
	files: \|
	${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.PKG_NAME }}
	${{ steps.vars.outputs.STAGING }}/${{ steps.vars.outputs.DPKG_NAME }}
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	test_busybox:
	name: Tests/BusyBox test suite
	needs: [ min_version, deps ]
	runs-on: ${{ matrix.job.os }}
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest }
	steps:
	- name: Initialize workflow variables
	id: vars
	shell: bash
	run: \|
	## VARs setup
	echo "TEST_SUMMARY_FILE=busybox-result.json" >> $GITHUB_OUTPUT
	- uses: actions/checkout@v4
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Install/setup prerequisites
	shell: bash
	run: \|
	## Install/setup prerequisites
	make prepare-busytest
	- name: Run BusyBox test suite
	id: summary
	shell: bash
	run: \|
	## Run BusyBox test suite
	set -v
	cp .busybox-config target/debug/.config
	## Run BusyBox test suite
	bindir=$(pwd)/target/debug
	cd tmp/busybox-*/testsuite
	output=$(bindir=$bindir ./runtest 2>&1 \|\| true)
	printf "%s\n" "${output}"
	FAIL=$(echo "$output" \| grep "^FAIL:\s" \| wc --lines)
	PASS=$(echo "$output" \| grep "^PASS:\s" \| wc --lines)
	SKIP=$(echo "$output" \| grep "^SKIPPED:\s" \| wc --lines)
	TOTAL=`expr $FAIL + $PASS + $SKIP`
	echo "FAIL $FAIL"
	echo "SKIP $SKIP"
	echo "PASS $PASS"
	echo "TOTAL $TOTAL"
	cd -
	output="Busybox tests summary = TOTAL: $TOTAL / PASS: $PASS / FAIL: $FAIL / SKIP: $SKIP"
	echo "${output}"
	if [[ "$FAIL" -gt 0 \|\| "$ERROR" -gt 0 ]]; then echo "::warning ::${output}" ; fi
	jq -n \
	--arg date "$(date --rfc-email)" \
	--arg sha "$GITHUB_SHA" \
	--arg total "$TOTAL" \
	--arg pass "$PASS" \
	--arg skip "$SKIP" \
	--arg fail "$FAIL" \
	'{($date): { sha: $sha, total: $total, pass: $pass, skip: $skip, fail: $fail, }}' > '${{ steps.vars.outputs.TEST_SUMMARY_FILE }}'
	HASH=$(sha1sum '${{ steps.vars.outputs.TEST_SUMMARY_FILE }}' \| cut --delim=" " -f 1)
	echo "HASH=${HASH}" >> $GITHUB_OUTPUT
	- name: Reserve SHA1/ID of 'test-summary'
	uses: actions/upload-artifact@v4
	with:
	name: "${{ steps.summary.outputs.HASH }}"
	path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"
	- name: Reserve test results summary
	uses: actions/upload-artifact@v4
	with:
	name: busybox-test-summary
	path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"
	- name: Upload json results
	uses: actions/upload-artifact@v4
	with:
	name: busybox-result.json
	path: ${{ steps.vars.outputs.TEST_SUMMARY_FILE }}

	test_toybox:
	name: Tests/Toybox test suite
	needs: [ min_version, deps ]
	runs-on: ${{ matrix.job.os }}
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest }
	steps:
	- name: Initialize workflow variables
	id: vars
	shell: bash
	run: \|
	## VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	TEST_SUMMARY_FILE="toybox-result.json"
	outputs TEST_SUMMARY_FILE
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ env.RUST_MIN_SRV }}
	components: rustfmt
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	- name: Build coreutils as multiple binaries
	shell: bash
	run: \|
	## Build individual uutil binaries
	set -v
	make
	- name: Install/setup prerequisites
	shell: bash
	run: \|
	## Install/setup prerequisites
	make toybox-src
	- name: Run Toybox test suite
	id: summary
	shell: bash
	run: \|
	## Run Toybox test suite
	set -v
	cd tmp/toybox-*/
	make defconfig
	make tests &> tmp.log \|\| true
	cat tmp.log
	FAIL=$(grep "FAIL" tmp.log \| wc --lines)
	PASS=$(grep "PASS:" tmp.log\| wc --lines)
	SKIP=$(grep " disabled$" tmp.log\| wc --lines)
	TOTAL=`expr $FAIL + $PASS + $SKIP`
	echo "FAIL $FAIL"
	echo "SKIP $SKIP"
	echo "PASS $PASS"
	echo "TOTAL $TOTAL"
	cd -
	jq -n \
	--arg date "$(date --rfc-email)" \
	--arg sha "$GITHUB_SHA" \
	--arg total "$TOTAL" \
	--arg pass "$PASS" \
	--arg skip "$SKIP" \
	--arg fail "$FAIL" \
	'{($date): { sha: $sha, total: $total, pass: $pass, skip: $skip, fail: $fail, }}' > '${{ steps.vars.outputs.TEST_SUMMARY_FILE }}'
	output="Toybox tests summary = TOTAL: $TOTAL / PASS: $PASS / FAIL: $FAIL / SKIP: $SKIP"
	echo "${output}"
	if [[ "$FAIL" -gt 0 \|\| "$ERROR" -gt 0 ]]; then echo "::warning ::${output}" ; fi
	HASH=$(sha1sum '${{ steps.vars.outputs.TEST_SUMMARY_FILE }}' \| cut --delim=" " -f 1)
	echo "HASH=${HASH}" >> $GITHUB_OUTPUT
	- name: Reserve SHA1/ID of 'test-summary'
	uses: actions/upload-artifact@v4
	with:
	name: "${{ steps.summary.outputs.HASH }}"
	path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"
	- name: Reserve test results summary
	uses: actions/upload-artifact@v4
	with:
	name: toybox-test-summary
	path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"
	- name: Upload json results
	uses: actions/upload-artifact@v4
	with:
	name: toybox-result.json
	path: ${{ steps.vars.outputs.TEST_SUMMARY_FILE }}

	coverage:
	name: Code Coverage
	runs-on: ${{ matrix.job.os }}
	timeout-minutes: 90
	env:
	SCCACHE_GHA_ENABLED: "true"
	RUSTC_WRAPPER: "sccache"
	strategy:
	fail-fast: false
	matrix:
	job:
	- { os: ubuntu-latest , features: unix, toolchain: nightly }
	- { os: macos-latest , features: macos, toolchain: nightly }
	# FIXME: Re-enable Code Coverage on windows, which currently fails due to "profiler_builtins". See #6686.
	# - { os: windows-latest , features: windows, toolchain: nightly-x86_64-pc-windows-gnu }
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.job.toolchain }}
	components: rustfmt
	- uses: taiki-e/install-action@nextest
	- uses: taiki-e/install-action@grcov
	- uses: Swatinem/rust-cache@v2
	- name: Run sccache-cache
	uses: mozilla-actions/sccache-action@v0.0.6
	# - name: Reattach HEAD ## may be needed for accurate code coverage info
	# run: git checkout ${{ github.head_ref }}
	- name: Initialize workflow variables
	id: vars
	shell: bash
	run: \|
	## VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	# toolchain
	TOOLCHAIN="nightly" ## default to "nightly" toolchain (required for certain required unstable compiler flags) ## !maint: refactor when stable channel has needed support
	# * specify gnu-type TOOLCHAIN for windows; `grcov` requires gnu-style code coverage data files
	case ${{ matrix.job.os }} in windows-*) TOOLCHAIN="$TOOLCHAIN-x86_64-pc-windows-gnu" ;; esac;
	# * use requested TOOLCHAIN if specified
	if [ -n "${{ matrix.job.toolchain }}" ]; then TOOLCHAIN="${{ matrix.job.toolchain }}" ; fi
	outputs TOOLCHAIN
	# target-specific options
	# * CARGO_FEATURES_OPTION
	CARGO_FEATURES_OPTION='--all-features' ; ## default to '--all-features' for code coverage
	if [ -n "${{ matrix.job.features }}" ]; then CARGO_FEATURES_OPTION='--features=${{ matrix.job.features }}' ; fi
	outputs CARGO_FEATURES_OPTION
	# * CODECOV_FLAGS
	CODECOV_FLAGS=$( echo "${{ matrix.job.os }}" \| sed 's/[^[:alnum:]]/_/g' )
	outputs CODECOV_FLAGS
	- name: Install/setup prerequisites
	shell: bash
	run: \|
	## Install/setup prerequisites
	case '${{ matrix.job.os }}' in
	macos-latest) brew install coreutils ;; # needed for testing
	esac
	case '${{ matrix.job.os }}' in
	ubuntu-latest)
	# pinky is a tool to show logged-in users from utmp, and gecos fields from /etc/passwd.
	# In GitHub Action *nix VMs, no accounts log in, even the "runner" account that runs the commands. The account also has empty gecos fields.
	# To work around this for pinky tests, we create a fake login entry for the GH runner account...
	FAKE_UTMP='[7] [999999] [tty2] [runner] [tty2] [] [0.0.0.0] [2022-02-22T22:22:22,222222+00:00]'
	# ... by dumping the login records, adding our fake line, then reverse dumping ...
	(utmpdump /var/run/utmp ; echo $FAKE_UTMP) \| sudo utmpdump -r -o /var/run/utmp
	# ... and add a full name to each account with a gecos field but no full name.
	sudo sed -i 's/:,/:runner name,/' /etc/passwd
	# We also create a couple optional files pinky looks for
	touch /home/runner/.project
	echo "foo" > /home/runner/.plan
	;;
	esac
	case '${{ matrix.job.os }}' in
	# Update binutils if MinGW due to https://github.com/rust-lang/rust/issues/112368
	windows-latest) C:/msys64/usr/bin/pacman.exe -Sy --needed mingw-w64-x86_64-gcc --noconfirm ; echo "C:\msys64\mingw64\bin" >> $GITHUB_PATH ;;
	esac
	- name: Initialize toolchain-dependent workflow variables
	id: dep_vars
	shell: bash
	run: \|
	## Dependent VARs setup
	outputs() { step_id="${{ github.action }}"; for var in "$@" ; do echo steps.${step_id}.outputs.${var}="${!var}"; echo "${var}=${!var}" >> $GITHUB_OUTPUT; done; }
	# * determine sub-crate utility list
	UTILITY_LIST="$(./util/show-utils.sh ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }})"
	CARGO_UTILITY_LIST_OPTIONS="$(for u in ${UTILITY_LIST}; do echo -n "-puu_${u} "; done;)"
	outputs CARGO_UTILITY_LIST_OPTIONS
	- name: Test
	run: cargo nextest run --profile ci --hide-progress-bar ${{ steps.vars.outputs.CARGO_FEATURES_OPTION }} -p uucore -p coreutils
	env:
	RUSTC_WRAPPER: ""
	RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort"
	RUSTDOCFLAGS: "-Cpanic=abort"
	RUST_BACKTRACE: "1"
	# RUSTUP_TOOLCHAIN: ${{ steps.vars.outputs.TOOLCHAIN }}
	- name: Test individual utilities
	run: cargo nextest run --profile ci --hide-progress-bar ${{ steps.dep_vars.outputs.CARGO_UTILITY_LIST_OPTIONS }}
	env:
	RUSTC_WRAPPER: ""
	RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort"
	RUSTDOCFLAGS: "-Cpanic=abort"
	RUST_BACKTRACE: "1"
	# RUSTUP_TOOLCHAIN: ${{ steps.vars.outputs.TOOLCHAIN }}
	- name: Generate coverage data (via `grcov`)
	id: coverage
	shell: bash
	run: \|
	## Generate coverage data
	COVERAGE_REPORT_DIR="target/debug"
	COVERAGE_REPORT_FILE="${COVERAGE_REPORT_DIR}/lcov.info"
	# GRCOV_IGNORE_OPTION='--ignore build.rs --ignore "vendor/" --ignore "/" --ignore "[a-zA-Z]:/*"' ## `grcov` ignores these params when passed as an environment variable (why?)
	# GRCOV_EXCLUDE_OPTION='--excl-br-line "^\s*((debug_)?assert(_eq\|_ne)?!\|#\[derive\()"' ## `grcov` ignores these params when passed as an environment variable (why?)
	mkdir -p "${COVERAGE_REPORT_DIR}"
	# display coverage files
	grcov . --output-type files --ignore build.rs --ignore "vendor/" --ignore "/" --ignore "[a-zA-Z]:/" --excl-br-line "^\s((debug_)?assert(_eq\|_ne)?!\|#\[derive\()" \| sort --unique
	# generate coverage report
	grcov . --output-type lcov --output-path "${COVERAGE_REPORT_FILE}" --branch --ignore build.rs --ignore "vendor/" --ignore "/" --ignore "[a-zA-Z]:/" --excl-br-line "^\s((debug_)?assert(_eq\|_ne)?!\|#\[derive\()"
	echo "report=${COVERAGE_REPORT_FILE}" >> $GITHUB_OUTPUT
	- name: Upload coverage results (to Codecov.io)
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	file: ${{ steps.coverage.outputs.report }}
	## flags: IntegrationTests, UnitTests, ${{ steps.vars.outputs.CODECOV_FLAGS }}
	flags: ${{ steps.vars.outputs.CODECOV_FLAGS }}
	name: codecov-umbrella
	fail_ci_if_error: false

	test_separately:
	name: Separate Builds
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- name: build and test all programs individually
	shell: bash
	run: \|
	for f in $(util/show-utils.sh)
	do
	echo "Building and testing $f"
	cargo test -p "uu_$f" \|\| exit 1
	done

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checksum: prepare further behavior fix with a rework #18532

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checksum: prepare further behavior fix with a rework #18532

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