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gentoo-init.docker
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#! /usr/bin/env bash
set -eu
set -o pipefail
trace="${TRACE:-}"
debug="${DEBUG:-}"
# With 'debug' enabled, set 'DEBUG_EXTRA_ARGS' to pass additional arguments
# to 'podman build'...
#DEBUG_EXTRA_ARGS=''
# If the python release(s) used in the upstream stage3 image differ from those
# we wish to build against or those specified in the host's
# /etc/portage/package.use file(s), then 'python_targets_override' must be set
# to the desired release below:
#declare -x python_targets_override='python3_13'
if [[ -n "${BASH_VERSINFO[0]:-}" ]] && (( BASH_VERSINFO[0] < 4 )); then
echo >&2 "FATAL: bash-4.0.0 or later is required to run this script - on" \
"macOS, try 'brew install bash'"
exit 1
fi
if [[ "$( uname -s )" == 'Darwin' ]]; then
# Darwin/BSD lacks GNU readlink - either realpath or perl's Cwd module
# will do at a pinch, although both lack the additional options of GNU
# binaries...
#
readlink() {
if type -pf realpath >/dev/null 2>&1; then
realpath "${2}"
else
# The perl statement below returns $PWD if the supplied
# path doesn't exist :(
[[ -e "${2}" ]] || return 1
perl -MCwd -le 'print Cwd::abs_path shift' "${2}"
fi
} # readlink
export -f readlink
fi
cd "$( dirname "$( readlink -e "${0}" )" )" || exit 1
# From buildah-1.33.0/podman-4.8.0, Docker syntax 1.3-labs/1.4 HEREDOC support
# is available...
#
select_file() {
local file="${1:-}"
[[ -n "${file:-}" ]] || return 1
[[ -n "${docker_version:-}" ]] || return 1
if [[ "${_command:-}" == 'podman' ]] && [[ "$( # <- Syntax
printf '%s\n' '4.8.0' "${docker_version}" | sort -V | head -n 1
)" == '4.8.0' ]]
then
[[ ! -e "${base_dir:-"${PWD}"}/${file}" ]] || file+='-1.4'
fi
printf '%s' "${file}"
return 0
} # select_file
declare -i NOTIFY_MKDIR=0
# Set by common/vars.sh
#
#declare docker='docker'
#declare mail_from=''
#declare mail_to=''
#declare mail_mta=''
#declare env_name=''
#declare stage3_name=''
#declare init_name=''
#declare base_name=''
#declare build_name=''
#declare stage3_flags_file=''
#declare environment_file=''
#declare environment_filter=''
#declare base_dir=''
#declare use_cpu_arch=''
#declare gcc_target_opts=''
#declare rust_target_opts=''
#declare use_cpu_flags=''
#declare use_cpu_flags_raw=''
#declare use_essential=''
#declare use_essential_gcc=''
#declare python_default_target=''
#declare JOBS=''
#declare MAXLOAD=''
#declare bold=''
#declare red=''
#declare blue=''
#declare purple=''
#declare reset=''
# Set by common/run.sh _docker_setup()
#
#declare docker_arch=''
#declare arch=''
# pkg_pypy, pkg_pypy_use & pkg_pypy_post_remove are defined in common/vars.sh
#declare pkg_pypy=''
#declare pkg_pypy_use=''
#declare pkg_pypy_post_remove=''
# shellcheck disable=SC1091
[[ ! -s common/vars.sh ]] || . common/vars.sh
# shellcheck disable=SC2034 # Set from common/vars.sh
[[ -n "${__COMMON_VARS_INCLUDED:-}" ]] || {
echo >&2 "FATAL: Inclusion of common defaults from '${PWD}/common/vars.sh' failed"
exit 1
}
declare _output=''
if ! [[ -x "$( type -pf "${_command}" )" ]]; then
echo >&2 "FATAL: Cannot locate binary '${_command}'"
exit 1
elif ! _output="$( "${_command}" info 2>&1 )"; then
if [[ "${_command}" == 'podman' ]]; then
echo >&2 "FATAL: Unable to successfully execute '${_command}' - do" \
"you need to run '${_command} machine start' or re-run" \
"'$( basename "${0}" )' as 'root'?"
else
echo >&2 "FATAL: Unable to successfully execute '${_command}' - do" \
"you need to re-run '$( basename "${0}" )' as 'root'?"
fi
exit 1
elif [[ "$( uname -s )" != 'Darwin' ]] &&
(( $( id -u ) )) &&
grep -Fq -- 'rootless: false' <<<"${_output}"
then
echo >&2 "FATAL: Please re-run '$( basename "${0}")' as user 'root'"
exit 1
fi
unset _output
[[ -n "${base_dir:-}" ]]
[[ -d "${base_dir}" ]]
[[ -e "${base_dir}"/Dockerfile.env ]]
[[ -e "${base_dir}"/Dockerfile.stage3 ]]
[[ -e "${base_dir}"/Dockerfile.init ]]
[[ -e "${base_dir}"/Dockerfile.build ]]
# shellcheck disable=SC2034
IMAGE="${base_name}:latest"
# shellcheck disable=SC1091
[[ -s common/run.sh ]] && . common/run.sh
# N.B. Below, 'docker' is a shell-function if no 'docker' binary exists...
#
if ! docker --version >/dev/null 2>&1; then
# shellcheck disable=SC2154
die "'${_command}' failed to execute: ${?}"
elif ! docker image build --help | grep -Fq -- '--platform'; then
die "'${_command} image build' lacks '--platform' support (try" \
"podman-3.x or later)"
fi
if docker info | grep -qw -- 'crun'; then
declare crun_version=''
if type -pf jq >/dev/null 2>&1 && python3 -c 'import yaml' >/dev/null 2>&1
then
if [[ "$( # <- Syntax
# shellcheck disable=SC2116
docker info |
python3 -c "$( echo 'import sys, yaml, json;' \
'print(json.dumps(yaml.safe_load(sys.stdin)))' )" |
jq -r '.host.ociRuntime.name'
)" == 'crun' ]]
then
crun_version="$(
# shellcheck disable=SC2116
docker info |
python3 -c "$( echo 'import sys, yaml, json;' \
'print(json.dumps(yaml.safe_load(sys.stdin)))' )" |
jq -r '.host.ociRuntime.version' |
grep '^crun version' |
awk '{print $3}'
)"
fi
else
crun_version="$(
docker info |
grep 'crun version' |
awk '{print $3}'
)"
fi
case "${crun_version:-}" in
'')
die "Cannot detect ociRuntime version"
;;
'0.'*)
die "crun versions prior to 1.0 are know to cause a variety of" \
"container-build failures - please install a binary from" \
"https://github.com/containers/crun/releases and try again"
;;
*)
print "crun version '${crun_version}' validates"
;;
esac
unset crun_version
fi
# N.B. Image names, not file names...
#
if [[ -z "${env_name:-}" ]] ||
[[ -z "${stage3_name:-}" ]] ||
[[ -z "${init_name:-}" ]] ||
[[ -z "${base_name:-}" ]] ||
[[ -z "${build_name:-}" ]]
then
die "Image names not correctly set in '$( pwd )/common/vars.sh'"
fi
declare target_opt=''
declare rust_target_opt=''
declare -i build_helper=0
declare -i force=0
if [[ -n "${*:-}" ]]; then
if grep -Eq -- ' -(h|-help) ' <<<" ${*} "; then
output >&2 "Usage: $( basename "${0}" ) [--env] [--stage3] [--init]" \
"[[--force] --base] [[--force] --build] [[--force] --helper]"
exit 0
elif ! grep -Eq <<<" ${*} " -- \
'^(\s*--(env|stage3|init|base|build|helper|force|force-helper)\s*){1,7}$'
then
die "Unknown args '${*}'"
fi
if grep -Fq -- ' --force ' <<<" ${*} "; then
if ! grep -Eq -- ' --(base|build|helper) ' <<<" ${*} "; then
die "'--force' is only valid with '--base', '--build', or" \
"'--helper'"
fi
fi
fi
declare docker_version=''
docker_version="$( docker version --format '{{.Client.Version}}' )" ||
die "Cannot determine ${_command} version: ${?}"
readonly docker_version
declare python_single_target="${python_targets_override:+"${python_targets_override%%" "*}"}"
declare python_targets="${python_targets_override:-}"
if [[ -z "${python_targets:-}" ]] && type -pf portageq >/dev/null 2>&1; then
python_targets="$( portageq envvar 'PYTHON_SINGLE_TARGET' )"
fi
if [[ -z "${python_targets:-}" ]]; then
python_targets="${python_default_target:-}"
fi
declare mask_file=''
if [[ -n "${arch:-}" ]] &&
[[ -f "${base_dir}/etc/portage/profile/use.mask.${arch}" ]]
then
mask_file="${base_dir}/etc/portage/profile/use.mask.${arch}"
fi
[[ -z "${mask_file:-}" ]] &&
mask_file="${base_dir}/etc/portage/profile/use.mask"
if [[ -n "${python_single_target:-}" ]]; then
[[ "${python_single_target}" =~ ^python[[:digit:]]_[[:digit:]]+$ ]] ||
die "python_single_target value '${python_single_target}'" \
"doesn't appear to be a valid python version" \
"(matching 'pythonX_Y', e.g. 'python3_12')"
if [[ -f "${mask_file}" ]]; then
if sed 's/#.*$//' "${mask_file}" |
grep -Fw -- "^python_single_target_${python_single_target}"
then
die "python_single_target value" \
"'python_single_target_${python_single_target}'" \
"is masked by '${mask_file}'"
fi
fi
fi
if [[ -n "${python_targets:-}" ]]; then
for python_target in ${python_targets}; do
[[ "${python_target}" =~ ^python[[:digit:]]_[[:digit:]]+$ ]] ||
die "python_targets value '${python_target}'" \
"doesn't appear to be a valid python version" \
"(matching 'pythonX_Y', e.g. 'python3_12')"
if [[ -f "${mask_file}" ]]; then
if sed 's/#.*$//' "${mask_file}" |
grep -Fw -- "^python_targets_${python_target}"
then
die "python_targets value 'python_targets_${python_target}' is" \
"masked by '${mask_file}'"
fi
fi
done
fi
unset mask_file
declare -a args=()
for arg in "${@:-}"; do
case "${arg:-}" in
*helper)
build_helper=1
args+=( "${arg}" )
;;
--force)
force=1
;;
*)
args+=( "${arg}" )
;;
esac
done
set -- "${args[@]:-}"
unset args arg
_docker_setup
[[ -d log ]] || mkdir -p log
pushd "${base_dir}" >/dev/null 2>&1 ||
die "chdir() to '${base_dir}' failed; ${?}"
checklabel() {
local image="${1:-}"
local label="${2:-}"
local value="${3:-}"
local label_value=''
if [[ -z "${image:-}" ]]; then
error "Image name not set"
return 1
fi
if [[ -z "${label:-}" ]]; then
error "Label name not set"
return 1
fi
if [[ -z "${value:-}" ]]; then
warn "Value not set"
fi
if ! [[ "${image}" =~ / ]]; then
image="localhost/${image}"
fi
if [[ "${image}" =~ ^localhost/localhost/ ]]; then
warn "${FUNCNAME[0]}: Correcting over-specified image '${image}'" \
"from ${FUNCNAME[1]}"
image="${image#"localhost/"}"
fi
if ! [[ "${image}" =~ : ]]; then
image="${image}:latest"
fi
label_value="$( # <- Syntax
docker image inspect \
--format="{{index .Config.Labels \"${label}\"}}" \
"${image}" 2>/dev/null
)"
if ! [[ "${label_value:-}" == "${value}" ]]; then
echo "${label_value:-}"
return 1
else
return 0
fi
} # checklabel
checkids() {
local name="${1:-}"
local tag="${2:-"latest"}"
#inherit docker stage3_name env_id env_name gentoo_stage3_id bold reset red
local repo='' images='' stage3_env_id='' stage3_src_id=''
if [[ -z "${name:-}" ]]; then
error "Image name not set"
return 1
fi
if [[
-z "${_command:-}" ||
-z "${stage3_name:-}" ||
-z "${env_name:-}" ||
-z "${env_id:-}"
]]; then
error "Required global variable not set"
return 1
fi
local relation="inherited by"
if [[ "${name#*"/"}" == "${stage3_name#*"/"}" ]]; then
relation="about to be linked to"
fi
if ! [[ "${name}" =~ / ]]; then
repo='localhost/'
fi
images="$( docker image ls --noheading \
"${repo}${name}:${tag}" 2>/dev/null
)"
# Older releases of 'podman' exclude the repo when it is 'localhost/'...
# FIXME: Can't we just check whether 'images' is set?
if grep -Eq -- "^(${repo:-"${name%"/"*}"})?${name#*"/"}" <<<"${images}"
then
if stage3_env_id="$( # <- Syntax
stage3_repo=''
if ! [[ "${stage3_name}" =~ / ]]; then
stage3_repo='localhost/'
fi
docker image inspect \
--format='{{index .Config.Labels "environment-from"}}' \
"${stage3_repo:-}${stage3_name}:${tag}" 2>/dev/null
)" && [[ -n "${stage3_env_id:-}" ]]
then
stage3_env_id="$( echo "${stage3_env_id:-}" | cut -d':' -f 2- )"
# Does our current 'gentoo-env' image match the ID encoded in our
# local stage3?
# N.B.: 'env_id' inherited from global scope
if [[ "${env_id}" != "${stage3_env_id:-}" ]]; then
output >&2 "${bold:-}WARN${reset:-}: ${red:-}" \
"The current '${env_name#*"/"}' image (${env_id})" \
"differs from that used to build the" \
"'${stage3_name#*"/"}' image (${stage3_env_id:-})" \
"${relation} this stage${reset:-}"
fi
fi
if [[ -n "${gentoo_stage3_id:-}" ]]; then
# N.B.: Only valid for our 'init' and (local) 'stage3' images
if stage3_src_id="$( # <- Syntax
docker image inspect \
--format='{{index .Config.Labels "stage3-from"}}' \
"${repo}${name}:${tag}" 2>/dev/null
)" && [[ -n "${stage3_src_id:-}" ]]
then
stage3_src_id="$( # <- Syntax
echo "${stage3_src_id:-}" |
awk -F':' '{ print $NF }'
)"
# Does our upstream stage3 match the ID encoded in our current
# image?
if [[ "${gentoo_stage3_id}" != "${stage3_src_id:-}" ]]; then
output >&2 "${bold:-}WARN${reset:-}: ${red:-}" \
"The upstream 'stage3' image (${gentoo_stage3_id})" \
"differs from that used to build the '${name#*"/"}'" \
"image (${stage3_src_id:-}) ${relation} this" \
"stage${reset}"
fi
fi
fi
fi
# The above is a warning rather than an error, so...
return 0
} # checkids
makedir() {
local dir="${1:-}"
[[ -n "${dir}" ]] || return 1
if ! (( NOTIFY_MKDIR )) && (( EUID )); then
NOTIFY_MKDIR=1
info "In order to run on a non-gentoo system, we need to create" \
"several system"
info "directories."
info "You may be now prompted to enter your password in order to" \
"authenticate"
info "with superuser credentials and allow for this to proceed:"
fi
if [[ "$( uname -s )" == 'Darwin' ]] || (( EUID )); then
sudo mkdir -pm 0755 "${dir}" || die "mkdir() on '${dir}' failed: ${?}"
sudo chown ${EUID} "${dir}" || die "chown() on '${dir}' failed: ${?}"
else
mkdir -p "${dir}" || die "mkdir() on '${dir}' failed: ${?}"
fi
info " * ${dir}"
} # makedir
declare repo_path_srcshelton=''
# Check for environment sanity...
if ! type -pf portageq >/dev/null 2>&1; then
warn "Not running on Gentoo host system, not checking eclass overrides"
# shellcheck disable=SC2043
for dir in 'repos.conf' 'package.mask' 'savedconfig'; do
[[ -d "/etc/portage/${dir}" ]] || makedir "/etc/portage/${dir}"
done
unset dir
for cfg in DEFAULT.conf gentoo.conf srcshelton.conf; do
[[ -s /etc/portage/repos.conf/${cfg} ]] ||
cp -v etc/portage/repos.conf/${cfg} /etc/portage/repos.conf/
done
unset cfg
declare -i private_gentoo_clone=0
declare repo_path_gentoo='/var/db/repo/gentoo'
repo_path_srcshelton='/var/db/repo/srcshelton'
# FIXME: Hardcoded paths, use repos.conf
if
[[ ! -d "${repo_path_gentoo}" ]] &&
[[ ! -d /var/db/repos/gentoo ]]
then
# macOS 'df' lacks the below options
if [[ "$( uname -s )" != 'Darwin' ]]; then
for dir in /var/db/repo{,s} /var/db; do
if [[ -d "${dir}" ]]; then
# FIXME: Figure out best macOS implementation
if (( $( # <- Syntax
df --block-size=1G --output=avail "${dir}" |
tail -n 1
) < 2 )); then
die "Insufficient filesystem space to download" \
"Gentoo Portage repo: 2GB required"
fi
break
fi
done
unset dir
fi
type -pf git >/dev/null 2>&1 || die "required binary 'git' missing"
note "Creating local Gentoo Portage repo mirror at" \
"'${repo_path_gentoo}' ..."
# shellcheck disable=SC2043,SC2066
for dir in "$( dirname "${repo_path_gentoo}" )"; do
[[ -d "${dir}" ]] || makedir "${dir}"
done
unset dir
git clone https://github.com/gentoo/gentoo.git "${repo_path_gentoo}" ||
die "git 'clone' operation failed: ${?}"
if ! git config --global --get-all safe.directory |
grep -q "${repo_path_gentoo%"/"}"
then
git config --global --add safe.directory "${repo_path_gentoo}" ||
die "git safe directory addition of '${repo_path_gentoo}'" \
"failed: ${?}"
fi
private_gentoo_clone=1
elif [[ -d /var/db/repos/gentoo ]]; then
repo_path_gentoo='/var/db/repos/gentoo'
fi
if
[[ ! -d "${repo_path_srcshelton}" ]] &&
[[ ! -d /var/db/repos/srcshelton ]]
then
type -pf git >/dev/null 2>&1 || die "required binary 'git' missing"
note "Creating custom packages repo mirror at" \
"'${repo_path_srcshelton}' ..."
# shellcheck disable=SC2043,SC2066
for dir in "$( dirname "${repo_path_srcshelton}" )"; do
[[ -d "${dir}" ]] || makedir "${dir}"
done
unset dir
git clone \
https://github.com/srcshelton/gentoo-ebuilds.git \
"${repo_path_srcshelton}" ||
die "git 'clone' operation failed: ${?}"
if ! git config --global --get-all safe.directory |
grep -q "${repo_path_srcshelton%"/"}"
then
git config --global --add safe.directory \
"${repo_path_srcshelton}" ||
die "git safe directory addition of" \
"'${repo_path_srcshelton}' failed: ${?}"
fi
elif [[ -d /var/db/repos/srcshelton ]]; then
repo_path_srcshelton='/var/db/repos/srcshelton'
fi
declare ref=''
if
[[ -s "${repo_path_srcshelton}/.portage_commit" ]] &&
ref="$( # <- Syntax
grep -Fv '#' "${repo_path_srcshelton}/.portage_commit"
)" &&
[[ -n "${ref:-}" ]]
then
if ! git config --global --get-all safe.directory |
grep -q "${repo_path_gentoo%"/"}"
then
git config --global --add safe.directory "${repo_path_gentoo}" ||
die "git safe directory addition of '${repo_path_gentoo}'" \
"failed: ${?}"
fi
pushd "${repo_path_gentoo}" >/dev/null 2>&1
declare head=''
head="$( git rev-parse HEAD )"
if [[ "${ref}" == "${head:-}" ]]; then
note "Local Gentoo Portage repo mirror is in sync with custom" \
"packages repo at commit '${ref:0:7}'"
elif git rev-parse -q --verify "${ref}^{commit}" >/dev/null 2>&1; then
info "Local Gentoo Portage repo mirror is currently at commit" \
"'${head:0:7}' but can be reverted to custom packages repo" \
"target commit '${ref:0:7}'"
if (( private_gentoo_clone )); then
if git reset --hard "${ref}"; then
info "Local Gentoo Portage repo mirror is now in sync" \
"with custom packages repo at commit '${ref:0:7}'"
else
error "Unable to reset local Gentoo Portage repo mirror" \
"to commit '${ref:0:7}': ${?}"
fi
else
warn "Not changing local Gentoo Portage repo mirror contents" \
"for potentailly shared clone"
fi
else
error "Custom packages target commit '${ref:0:7}' does not exist" \
"in local Gentoo Portage repo mirror - mirror out of date?"
fi
unset head
# Return from ${repo_path_gentoo}
popd >/dev/null 2>&1
fi
unset ref
for dir in /var/cache/portage/dist \
/var/log/portage \
/var/cache/portage/pkg/${ARCH:-"${arch}"}/${PKGHOST:-"docker"}
do
[[ -d "${dir}" ]] || makedir "${dir}"
done
unset dir
unset private_gentoo_clone repo_path_gentoo
# Return from ${base_dir}
popd >/dev/null 2>&1
# Flags may have changed...
unset __COMMON_VARS_INCLUDED
# shellcheck disable=SC1091
[[ ! -s common/vars.sh ]] || . common/vars.sh
# shellcheck disable=SC2034 # Set from common/vars.sh
[[ -n "${__COMMON_VARS_INCLUDED:-}" ]] || {
echo >&2 "FATAL: Inclusion of common defaults from" \
"'${PWD}/common/vars.sh' failed"
exit 1
}
pushd "${base_dir}" >/dev/null 2>&1 ||
die "chdir() to '${base_dir}' failed; ${?}"
else # type -pf portageq >/dev/null 2>&1; then
declare -i rc=0
while read -r repo; do
# FIXME: Discover default rather than assuming 'gentoo'?
[[ "${repo}" == 'gentoo' ]] && continue
while read -r dir; do
if [[ -d "${dir}"/eclass ]]; then
grep -hR eclass /etc/portage/repos.conf |
sed 's/#.*//' |
grep '^eclass-overrides' |
cut -d '=' -f 2- |
grep -Fqw -- "${repo}" &&
continue
warn "ebuild repo '${repo}' contains class overrides, but" \
"portage isn't configured to allow their use"
warn "Add/update 'eclass-overrides = ${repo}' in" \
"/etc/portage/repos.conf"
rc=1
fi
done < <( portageq get_repo_path "${EROOT:-"/"}" "${repo}" )
unset dir
done < <( portageq get_repos "${EROOT:-"/"}" | xargs -n 1 )
unset repo
(( rc )) && sleep 5
unset rc
# FIXME: Discover default rather than assuming 'gentoo'?
declare repo_path_gentoo=''
declare ref=''
repo_path_gentoo="$( # <- Syntax
portageq get_repo_path "${EROOT:-"/"}" 'gentoo' 2>/dev/null
)"
repo_path_srcshelton="$( # <- Syntax
portageq get_repo_path "${EROOT:-"/"}" 'srcshelton' 2>/dev/null
)"
if
[[ -n "${repo_path_gentoo:-}" && -d "${repo_path_gentoo}" ]] &&
[[ -n "${repo_path_srcshelton:-}" && -d "${repo_path_srcshelton}" ]]
then
if
[[ -s "${repo_path_srcshelton}/.portage_commit" ]] &&
ref="$( # <- Syntax
grep -Fv '#' "${repo_path_srcshelton}/.portage_commit"
)" &&
[[ -n "${ref:-}" ]]
then
if ! git config --global --get-all safe.directory |
grep -q "${repo_path_gentoo%"/"}"
then
git config --global --add safe.directory "${repo_path_gentoo}" ||
die "git safe directory addition of '${repo_path_gentoo}'" \
"failed: ${?}"
fi
pushd "${repo_path_gentoo}" >/dev/null 2>&1
declare head=''
head="$( git rev-parse HEAD )"
if [[ "${ref}" == "${head:-}" ]]; then
note "Local Gentoo Portage repo mirror is in sync with" \
"custom packages repo at commit '${ref:0:7}'"
elif
git rev-parse -q --verify "${ref}^{commit}" >/dev/null 2>&1
then
warn "Local Gentoo Portage repo mirror is currently at" \
"commit '${head:0:7}' but can be reverted to custom" \
"packages repo target commit '${ref:0:7}'"
else
error "Custom packages target commit '${ref:0:7}' does not" \
"exist in local Gentoo Portage repo mirror - mirror out" \
"of date?"
fi
unset head
# Return from ${repo_path_gentoo}
popd >/dev/null 2>&1
else
warn "No upstream commit marker found in" \
"'${repo_path_srcshelton}/.portage_commit'"
fi
else
die "Could not determine essential repo paths for 'gentoo'" \
"(${repo_path_gentoo:-}) or 'srcshelton'" \
"(${repo_path_srcshelton:-})"
fi
unset ref repo_path_gentoo
fi
# 'cut' separately to emulate 'pipefail' when using /bin/sh
#
# (... which we aren't any longer - but pipefail does seem to cause some
# unexpected behaviour)
#
command -v sha1sum >/dev/null 2>&1 || die "required binary 'sha1sum' missing"
declare sum=''
sum="$( sha1sum entrypoint.sh )"
sum="$( echo "${sum}" | cut -d' ' -f 1 )"
[[ -n "${sum}" ]] || die "Could not calculate 'entrypoint.sh' checksum"
gentoo_stage3_tag='latest'
# https://hub.docker.com/r/gentoo/stage3 tag-naming is a mess - not only does
# it keep changing, but there's now an inconsistency as to whether the init
# system is tagged onto the image or not (for example, the amd64 image used to
# be 'amd64-nomultilib', which is now no longer being updated. There are now
# new 'nomultilib' and 'amd64-nomultilib-openrc' images - while the 32bit image
# name has changed from 'x86' to 'i686-openrc' and the ARM image names are
# unchanged in the case of 'openrc' but now also have variants with a 'systemd'
# suffix)
# Update: As-of 18th March 2022, the 'arm64' image is no longer being updated,
# but the 'latest' image is now multi-arch, and there's an 'arm64-openrc' image
# also...
#
# shellcheck disable=SC2154
case "${docker_arch}" in
'amd64')
gentoo_stage3_tag="${docker_arch}-nomultilib-openrc" ;;
'arm64')
gentoo_stage3_tag="${docker_arch}-openrc" ;;
'arm/v7')
gentoo_stage3_tag='armv7a_hardfp-openrc' ;;
'arm/v6')
gentoo_stage3_tag='armv6j_hardfp-openrc' ;;
'i386')
gentoo_stage3_tag='i686-openrc' ;;
esac
target_opt="${gcc_target_opts:-}"
case "${docker_arch}" in
'arm'*)
# See https://community.arm.com/developer/tools-software/tools/b/tools-software-ides-blog/posts/compiler-flags-across-architectures-march-mtune-and-mcpu
[[ -z "${gcc_target_opts:-}" ]] &&
target_opt='-mcpu=native' ;;
esac
rust_target_opt="${rust_target_opts:-}"
env_id="$( docker image ls --noheading \
--format='{{.ID}}' \
"${env_name}:latest"
)" || die "Could not determine environment stage image name"
local_stage3_id="$( docker image ls --noheading \
--format='{{.ID}}' \
"${stage3_name}:latest"
)" || die "Could not determine local stage3 image name"
[[ -z "${trace:-}" ]] || set -o xtrace
# Create empty stage with shared environment variables ...
#
if [[ -z "${*:-}" ]] || grep -Fq -- ' --env ' <<<" ${*} "; then
output
# shellcheck disable=SC2154
output " ${blue}*${reset} Creating image '${env_name}:latest' ..."
output
# NAME: env
# LABELS:
# USES:
# USED_BY: stage3 build
declare -a build_args=()
# shellcheck disable=SC2207
build_args+=( # <- Syntax
--platform "linux/${docker_arch}"
--build-arg SET_TERM="${TERM:-}"
--build-arg SET_USE_ESSENTIAL="${use_essential:-}"
--build-arg SET_USE_ESSENTIAL_GCC="${use_essential_gcc:-}"
--build-arg JOBS="${JOBS:-}"
--build-arg MAXLOAD="${MAXLOAD:-}"
#--build-arg NICENESS="10"
--build-arg MAIL_FROM="${mail_from:-}"
--build-arg MAIL_TO="${mail_to:-}"
--build-arg MAIL_MTA="${mail_mta:-}"
--build-arg ARCH="${arch}"
--build-arg PROFILE_PATH="${profile:-}"
--build-arg CHOST="${chost:-}"
# Optionally set below:
#--build-arg CPU_FLAGS_ARM
#--build-arg CPU_FLAGS_PPC
#--build-arg CPU_FLAGS_X86
#--build-arg TARGET_OPT
#--build-arg CPPFLAGS
#--build-arg CFLAGS
#--build-arg CXXFLAGS
#--build-arg FFLAGS
#--build-arg FCFLAGS
#--build-arg LDFLAGS
#--build-arg FLFLAGS
#--build-arg RUSTFLAGS
--compress
--file 'Dockerfile.env'
--network none
--no-cache
$( # <- Syntax
docker image build --squash-all --help >/dev/null 2>&1 &&
echo '--squash-all'
)
--tag "${env_name}:latest"
--rm
)
# shellcheck disable=SC2154
[[ -z "${use_cpu_arch:-}" ]] || build_args+=( # <- Syntax
--build-arg "CPU_FLAGS_${use_cpu_arch^^}=${use_cpu_flags_raw}"
)
[[ -z "${target_opt:-}" ]] || build_args+=( # <- Syntax
--build-arg TARGET_OPT="${target_opt}"
)
[[ -z "${rust_target_opt:-}" ]] || build_args+=( # <- Syntax
--build-arg RUST_TARGET_OPT="${rust_target_opt}"
)
declare cppflags='' cflags='' cxxflags='' fflags='' fcflags='' ldflags='' \
flflags='' rustflags=''
if type -pf emerge >/dev/null 2>&1; then
cppflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^CPPFLAGS=' |
awk -F'"' '{print $2}' || :
)"
cflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^CFLAGS=' |
awk -F'"' '{print $2}' || :
)"
cxxflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^CXXFLAGS=' |
awk -F'"' '{print $2}' || :
)"
fflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^FFLAGS=' |
awk -F'"' '{print $2}' || :
)"
fcflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^FCFLAGS=' |
awk -F'"' '{print $2}' || :
)"
ldflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^LDFLAGS=' |
awk -F'"' '{print $2}' || :
)"
flflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^FLFLAGS=' |
awk -F'"' '{print $2}' || :
)"
rustflags="$( # <- Syntax
emerge --info 2>&1 |
grep -- '^RUSTFLAGS=' |
awk -F'"' '{print $2}' || :
)"
else
# shellcheck disable=SC1091,SC2030
eval "$(
# shellcheck disable=SC2034
[[ -n "${LDFLAGS:-}" ]] || case "${arch}" in
amd64|ppc64|x86)
LDFLAGS='-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs'
;;
*)
LDFLAGS='-Wl,-O1 -Wl,--as-needed'
;;
esac
[[ -n "${ARCH:-}" ]] || ARCH="${arch}"
. /etc/portage/make.conf 2>/dev/null
set |
grep -F -- 'FLAGS=' |
sed 's|^[A-Z]\+=|\L&| ; s|$|;|' |
grep -E -- '^(c(xx|pp)?|f[fcl]|ld|rust)flags='
)"
fi
[[ -n "${cflags:-}" ]] || cflags='-O2 -pipe'
[[ -n "${cxxflags:-}" ]] || cxxflags="${cflags}"
[[ -n "${fflags:-}" ]] || fflags="${cflags}"
[[ -n "${fcflags:-}" ]] || fcflags="${cflags}"
if [[ -z "${ldflags:-}" ]]; then
case "${arch}" in
amd64|ppc64|x86)
ldflags='-Wl,-O1 -Wl,--as-needed -Wl,-z,pack-relative-relocs'
;;
*)
ldflags='-Wl,-O1 -Wl,--as-needed'
;;
esac
fi
[[ -n "${flflags:-}" ]] || flflags="${ldflags}"
build_args+=( # <- Syntax
--build-arg CPPFLAGS="${cppflags:-}"
--build-arg CFLAGS="${cflags:-}"
--build-arg CXXFLAGS="${cxxflags:-}"
--build-arg FFLAGS="${fflags:-}"
--build-arg FCFLAGS="${fcflags:-}"
--build-arg LDFLAGS="${ldflags:-}"
--build-arg FLFLAGS="${flflags:-}"
--build-arg RUSTFLAGS="${rustflags:-}"
)
unset cppflags cflags cxxflags fflags fcflags ldflags flflags rustflags
# shellcheck disable=SC2206
[[ -z "${debug:-}" ]] || build_args+=( # <- Syntax
--loglevel 3
${DEBUG_EXTRA_ARGS:-}
)
docker image build "${build_args[@]}" . 2>&1 |
tee ../log/"docker.${env_name#*"/"}.log"
output " -> ${?}"
unset build_args
[[ "${*:-}" = '--env' ]] && exit 0
env_id="$( docker image ls --noheading \
--format='{{.ID}}' \
"${env_name}:latest" 2>/dev/null
)"
output
output " ${blue}*${reset} Stage 'env' complete, next is 'stage3' ..."
output
fi
gentoo_stage3_image="$( # <- Syntax highlight failure
grep -- '^ARG gentoo_stage3_image=' Dockerfile.stage3 |
cut -d'"' -f 2
)"
declare ref=''
declare -i rc=0 need_pull=1
trap '' INT
# We have to 'pull' manually, or else this stage fails ...
if [[ "${gentoo_stage3_tag}" = 'latest' ]]; then
info "Using upstream '${gentoo_stage3_image}' tag" \
"'${gentoo_stage3_tag}'"
case "$( docker image pull --help )" in
*'--platform'*)
docker image pull "${gentoo_stage3_image}:latest" \
--platform "linux/${docker_arch}" || rc=${?}