283 lines
6.4 KiB
Bash
Executable File
283 lines
6.4 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="glibc"
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# the version of this application
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VERSION="2.37"
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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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# Apply necessary symlinks
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# Adjust these for
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# - your architecture
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# - your host distro
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logprint "Setting up compatibility and LSB symlinks..."
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logprint "Entering TEMP_STAGE_DIR"
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pushd ${TEMP_STAGE_DIR}
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assert_zero $?
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echo "rootsbindir=/usr/sbin" > ${T_SOURCE_DIR}/configparms
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assert_zero $?
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# fuck this part in particular!
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ln -sfv ../lib/ld-linux-x86-64.so.2 ${T_SYSROOT}/lib64
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assert_zero $?
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ln -sfv ../lib/ld-linux-x86-64.so.2 ${T_SYSROOT}/lib64/ld-lsb-x86-64.so.3
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assert_zero $?
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popd
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# patch, configure and build
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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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assert_zero $?
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# patches
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logprint "Applying patches..."
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patch -Np1 < "${PATCHES_DIR}/glibc-2.37-fhs-1.patch"
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assert_zero $?
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mkdir -p build
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pushd build
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assert_zero $?
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logprint "Configuring ${APPNAME}..."
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# surro
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# ../configure \
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# --prefix=/usr \
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# --host=${T_TRIPLET} \
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# --build=$(../scripts/config.guess) \
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# --enable-kernel=3.2 \
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# --with-headers=${T_SYSROOT}/usr/include \
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# libc_cv_slibdir=/lib
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# lfs/dhl
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../configure \
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--prefix=/usr \
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--host=${T_TRIPLET} \
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--build=$(../scripts/config.guess) \
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--enable-kernel=3.2 \
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--with-headers=${T_SYSROOT}/usr/include \
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libc_cv_slibdir=/usr/lib
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assert_zero $?
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ulimit -s 3500000
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logprint "Compiling..."
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make
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assert_zero $?
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logprint "Build operation 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}/build"
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assert_zero $?
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logprint "Installing pass1..."
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make DESTDIR=${T_SYSROOT} install
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assert_zero $?
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logprint "Install operation complete."
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logprint "Wrapping up headers..."
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dirs -c
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pushd "${T_SOURCE_DIR}"
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assert_zero $?
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logprint "Cleaning up..."
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# TODO make this a patch
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sed '/RTLDLIST=/s@/usr@@g' -i ${T_SYSROOT}/usr/bin/ldd
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assert_zero $?
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echo
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logprint "Performing compile test:"
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pushd /tmp
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echo 'int main(){}' | ${T_TRIPLET}-gcc -xc -
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readelf -l a.out | grep ld-linux
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echo
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echo "Which linker do you see?"
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echo "Should read: /lib64/ld-linux-x86-64.so.2"
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rm -v a.out
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assert_zero $?
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${CROSSTOOLS_DIR}/libexec/gcc/${T_TRIPLET}/12.2.0/install-tools/mkheaders
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assert_zero $?
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}
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mode_help() {
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echo "${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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