212 lines
4.8 KiB
Bash
Executable File
212 lines
4.8 KiB
Bash
Executable File
#!/bin/bash
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# desc:
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# stages, builds, installs
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# make variables persist in subprocesses for logging function
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set -a
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set -u
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# ----------------------------------------------------------------------
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# Configuration:
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# ----------------------------------------------------------------------
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# the name of this application
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APPNAME="linux"
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# the version of this application
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VERSION="6.1.11"
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# ----------------------------------------------------------------------
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# Variables and functions sourced from Environment:
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# ----------------------------------------------------------------------
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# assert_zero()
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# Checks if $1 is 0. If non-0 value, halts the execution of the script.
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#
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# LOGS_ROOT
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# The parent directory where logs from this project will go.
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#
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# TEMP_STAGE_DIR
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# The parent directory of where source archives are extracted to.
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# register mode selections
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ARGUMENT_LIST=(
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"stage"
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"build_pass1"
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"install_pass1"
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"pass1"
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"help"
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)
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# modes to associate with switches
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# assumes you want nothing done unless you ask for it.
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MODE_STAGE=false
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MODE_BUILD_PASS1=false
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MODE_INSTALL_PASS1=false
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MODE_PASS1=false
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MODE_HELP=false
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# the file to log to
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LOGFILE="${APPNAME}.log"
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# ISO 8601 variation
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TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
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# the path where logs are written to
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# note: LOGS_ROOT is sourced from environment
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LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
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# the path where the source will be located when complete
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# note: TEMP_STAGE_DIR is sourced from environment
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T_SOURCE_DIR="${TEMP_STAGE_DIR}/${APPNAME}"
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# read defined arguments
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opts=$(getopt \
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--longoptions "$(printf "%s," "${ARGUMENT_LIST[@]}")" \
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--name "$APPNAME" \
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--options "" \
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-- "$@"
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)
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# process supplied arguments into flags that enable execution modes
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eval set --$opts
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--stage)
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MODE_STAGE=true
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shift 1
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;;
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--build_pass1)
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MODE_BUILD_PASS1=true
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shift 1
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;;
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--install_pass1)
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MODE_INSTALL_PASS1=true
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shift 1
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;;
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--pass1)
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MODE_PASS1=true
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shift 1
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;;
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--help)
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MODE_HELP=true
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shift 1
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;;
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*)
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break
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;;
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esac
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done
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# print to stdout, print to log
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logprint() {
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mkdir -p "${LOG_DIR}"
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echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
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| tee -a "${LOG_DIR}/${LOGFILE}"
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}
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# Tell the user we're alive...
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logprint "Initializing the ${APPNAME} utility..."
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# when the stage mode is enabled, this will execute
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mode_stage() {
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logprint "Starting stage of ${APPNAME}..."
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logprint "Removing any pre-existing staging for ${APPNAME}."
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rm -Rf "${T_SOURCE_DIR}"*
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logprint "Extracting ${APPNAME}-${VERSION} source archive to ${TEMP_STAGE_DIR}"
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tar xf "${SOURCES_DIR}/${APPNAME}-${VERSION}.tar."* -C "${TEMP_STAGE_DIR}"
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assert_zero $?
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# conditionally rename if it needs it
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stat "${T_SOURCE_DIR}-"* && mv "${T_SOURCE_DIR}-"* "${T_SOURCE_DIR}"
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logprint "Staging operation complete."
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}
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# when the build_pass1 mode is enabled, this will execute
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mode_build_pass1() {
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logprint "Starting build of ${APPNAME}..."
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logprint "Entering build dir."
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pushd "${T_SOURCE_DIR}"
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logprint "Make MRPROPER"
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make mrproper
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assert_zero $?
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logprint "Building Headers"
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make headers
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assert_zero $?
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logprint "Preparing headers..."
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# surro artifact:
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#find usr/include -name '.*' -delete
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#rm usr/include/Makefile
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# DHL / LFS:
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find usr/include -type f ! -name '*.h' -delete
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logprint "Header prep complete."
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}
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mode_install_pass1() {
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logprint "Starting install of ${APPNAME}..."
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pushd "${T_SOURCE_DIR}"
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assert_zero $?
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cp -rv usr/include ${T_SYSROOT}/usr
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assert_zero $?
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logprint "Install operation complete."
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}
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mode_help() {
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echo "${APPNAME} [ --stage ] [ --build_pass1 ] [ --install_pass1 ] [ --pass1 ] [ --help ]"
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exit 0
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}
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# MODE_PASS1 is a meta toggle for all pass1 modes. Modes will always
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# run in the correct order.
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if [ "$MODE_PASS1" = "true" ]; then
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MODE_STAGE=true
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MODE_BUILD_PASS1=true
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MODE_INSTALL_PASS1=true
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fi
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# if no options were selected, then show help and exit
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if \
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[ "$MODE_HELP" != "true" ] && \
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[ "$MODE_STAGE" != "true" ] && \
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[ "$MODE_BUILD_PASS1" != "true" ] && \
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[ "$MODE_INSTALL_PASS1" != "true" ]
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then
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logprint "No option selected during execution."
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mode_help
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fi
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# if help was supplied at all, show help and exit
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if [ "$MODE_HELP" = "true" ]; then
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logprint "Help option selected. Printing options and exiting."
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mode_help
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fi
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if [ "$MODE_STAGE" = "true" ]; then
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logprint "Staging option selected."
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mode_stage
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assert_zero $?
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fi
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if [ "$MODE_BUILD_PASS1" = "true" ]; then
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logprint "Build of PASS1 selected."
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mode_build_pass1
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assert_zero $?
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fi
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if [ "$MODE_INSTALL_PASS1" = "true" ]; then
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logprint "Install of PASS1 selected."
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mode_install_pass1
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assert_zero $?
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fi
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logprint "Execution of ${APPNAME} completed."
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