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For testing purposes (e.g. wanting to see if "make distclean" works correctly with and without building), as well as development purposes (e.g. wanting to inspect the artifacts produced in the configuration stage), add `CI_NO_BUILD` to the family of contrarians.
112 lines
3.4 KiB
Bash
112 lines
3.4 KiB
Bash
# Copyright (c) 2019-2024 Cosmin Truta.
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#
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# Use, modification and distribution are subject to the MIT License.
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# Please see the accompanying file LICENSE_MIT.txt
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#
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# SPDX-License-Identifier: MIT
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test -f "$BASH_SOURCE" || {
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echo >&2 "warning: this module requires Bash version 3 or newer"
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}
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test "${#BASH_SOURCE[@]}" -gt 1 || {
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echo >&2 "warning: this module should be sourced from a Bash script"
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}
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# Reset the locale to avoid surprises from locale-dependent commands.
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export LC_ALL=C
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export LANG=C
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export LANGUAGE=C
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# Reset CDPATH to avoid surprises from the "cd" command.
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export CDPATH=""
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# Initialize the global constants CI_SCRIPT_{NAME,DIR} and CI_TOPLEVEL_DIR.
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CI_SCRIPT_NAME="$(basename -- "$0")"
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CI_SCRIPT_DIR="$(cd "$(dirname -- "$0")" && pwd)"
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CI_TOPLEVEL_DIR="$(cd "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)"
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# Initialize the global constants CI_BUILD_{...} for the host build platform.
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CI_BUILD_ARCH="${CI_BUILD_ARCH:-"$(uname -m | tr 'A-Z/\.-' 'a-z____')"}"
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CI_BUILD_SYSTEM="${CI_BUILD_SYSTEM:-"$(uname -s | tr 'A-Z/\.-' 'a-z____')"}"
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# Initialize the global constants CI_TARGET_{...} for the target platform.
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CI_TARGET_ARCH="${CI_TARGET_ARCH:-"$CI_BUILD_ARCH"}"
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CI_TARGET_SYSTEM="${CI_TARGET_SYSTEM:-"$CI_BUILD_SYSTEM"}"
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function ci_info {
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printf >&2 "%s: %s\\n" "$CI_SCRIPT_NAME" "$*"
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}
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function ci_warn {
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printf >&2 "%s: warning: %s\\n" "$CI_SCRIPT_NAME" "$*"
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}
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function ci_err {
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printf >&2 "%s: error: %s\\n" "$CI_SCRIPT_NAME" "$*"
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exit 2
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}
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function ci_err_internal {
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printf >&2 "%s: internal error: %s\\n" "$CI_SCRIPT_NAME" "$*"
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printf >&2 "ABORTED\\n"
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# Exit with the conventional SIGABRT code.
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exit 134
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}
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function ci_expr {
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if [[ ${*:-0} == [0-9] ]]
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then
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# This is the same as in the else-branch below, albeit much faster
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# for our intended use cases.
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return $((!$1))
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else
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# The funny-looking compound command "... && return $? || return $?"
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# allows the execution to continue uninterrupted under "set -e".
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expr >/dev/null "$@" && return $? || return $?
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fi
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}
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function ci_spawn {
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printf >&2 "%s: executing:" "$CI_SCRIPT_NAME"
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printf >&2 " %q" "$@"
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printf >&2 "\\n"
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"$@"
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}
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# Ensure that the internal initialization is correct.
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[[ $CI_TOPLEVEL_DIR/ci/lib/ci.lib.sh -ef ${BASH_SOURCE[0]} ]] || {
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ci_err_internal "bad or missing \$CI_TOPLEVEL_DIR"
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}
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[[ $CI_SCRIPT_DIR/$CI_SCRIPT_NAME -ef $0 ]] || {
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ci_err_internal "bad or missing \$CI_SCRIPT_DIR/\$CI_SCRIPT_NAME"
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}
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[[ $CI_BUILD_ARCH && $CI_BUILD_SYSTEM ]] || {
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ci_err_internal "missing \$CI_BUILD_ARCH or \$CI_BUILD_SYSTEM"
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}
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[[ $CI_TARGET_ARCH && $CI_TARGET_SYSTEM ]] || {
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ci_err_internal "missing \$CI_TARGET_ARCH or \$CI_TARGET_SYSTEM"
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}
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# Ensure that the user initialization is correct.
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[[ ${CI_FORCE:-0} == [01] ]] || {
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ci_err "bad boolean option: \$CI_FORCE: '$CI_FORCE'"
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}
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[[ ${CI_NO_BUILD:-0} == [01] ]] || {
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ci_err "bad boolean option: \$CI_NO_BUILD: '$CI_NO_BUILD'"
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}
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[[ ${CI_NO_TEST:-0} == [01] ]] || {
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ci_err "bad boolean option: \$CI_NO_TEST: '$CI_NO_TEST'"
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}
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[[ ${CI_NO_INSTALL:-0} == [01] ]] || {
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ci_err "bad boolean option: \$CI_NO_INSTALL: '$CI_NO_INSTALL'"
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}
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[[ ${CI_NO_CLEAN:-0} == [01] ]] || {
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ci_err "bad boolean option: \$CI_NO_CLEAN: '$CI_NO_CLEAN'"
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}
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if ci_expr $((CI_NO_BUILD))
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then
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ci_expr $((CI_NO_TEST && CI_NO_INSTALL)) || {
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ci_err "\$CI_NO_BUILD requires \$CI_NO_TEST and \$CI_NO_INSTALL"
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}
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fi
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