347 lines
9.2 KiB
Bash
Executable File
347 lines
9.2 KiB
Bash
Executable File
#!/bin/bash
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# Purpose {{{
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# This script will download some diagnostic tools.
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# 1. Memtest
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# 2. Gparted
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# and make a sample menu.cfg config file.
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# }}}
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly NBARGS="${#}"
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[ -z "${DEBUG}" ] && DEBUG=1
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## Export DEBUG for sub-script
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export DEBUG
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# Default value for TFTP's directory
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if command -v in.tftpd > /dev/null; then
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source /etc/default/tftpd-hpa
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else
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TFTP_DIRECTORY="/srv/tftp"
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fi
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# Tools versions
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MEMTEST_VERSION_DEFAULT="$(curl --no-progress-meter http://memtest.org/ \
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| sed --silent 's;.*VERSION : \([[:alnum:]]*.[[:alnum:]]*\)</font>.*;\1;p')"
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GPARTED_VERSION_DEFAULT="$(curl --no-progress-meter https://gparted.org/ \
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| sed --silent 's;.*<a href.*sourceforge.net.*>Live \(.*\)</a>.*;\1;p')"
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# TFTP tree
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DIAG_INSTALLER_DIR="${TFTP_DIRECTORY}/installer"
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CONFIG_PXE="${DIAG_INSTALLER_DIR}/menu.cfg.diag.example"
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MEMTEST_INSTALLER_DIR="${DIAG_INSTALLER_DIR}/memtest"
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GPARTED_INSTALLER_DIR="${DIAG_INSTALLER_DIR}/gparted"
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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# }}}
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usage() { # {{{
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cat <<- EOF
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usage: $PROGNAME [-d|-h|-m]
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This script will download some diagnostic tools (eg. Memtest, Gparted,…).
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EXAMPLES :
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- Download default diagnostic tools.
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${PROGNAME}
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- Download a specific version of Gparted (default : ${GPARTED_VERSION_DEFAULT}).
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${PROGNAME} --gparted "1.0.0-5"
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- Download a specific version of Memtest (default : ${MEMTEST_VERSION_DEFAULT}).
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${PROGNAME} --memtest "3.01"
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OPTIONS :
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-g,--gparted
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Set the version of Gparted to download.
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-m,--memtest
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Set the version of Memtest to download.
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-d,--debug
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Enable debug messages.
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-h,--help
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Print this help message.
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EOF
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}
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# }}}
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debug_message() { # {{{
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local_message="${1}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_message}"
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return 0
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}
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# }}}
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error_message() { # {{{
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local_error_message="${1}"
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local_error_code="${2}"
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## Print message
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printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
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exit "${local_error_code:=66}"
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}
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# }}}
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define_vars() { # {{{
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# If memtest_version wasn't defined (argument) {{{
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if [ -z "${memtest_version}" ]; then
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## Use default value
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memtest_version="${MEMTEST_VERSION_DEFAULT}"
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fi
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# }}}
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# If gparted_version wasn't defined (argument) {{{
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if [ -z "${gparted_version}" ]; then
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## Use default value
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gparted_version="${GPARTED_VERSION_DEFAULT}"
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fi
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# }}}
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}
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# }}}
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is_file_absent() { # {{{
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local_file_absent="${1}"
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## File exists by default
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return_is_file_absent="1"
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### Check if the file exists
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# shellcheck disable=SC2086
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if find ${local_file_absent} > /dev/null 2>&1; then
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return_is_file_absent="1"
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debug_message "is_file_absent − \
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The file ${RED}${local_file_absent}${COLOR_DEBUG} exists."
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else
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return_is_file_absent="0"
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debug_message "is_file_absent − \
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The file ${RED}${local_file_absent}${COLOR_DEBUG} doesn't exist."
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fi
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return "${return_is_file_absent}"
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}
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# }}}
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download_file() { # {{{
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local_url="${1}"
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local_dest_file="${2}"
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debug_message "download_file − \
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Download ${local_url} to ${RED}${local_dest_file}${COLOR_DEBUG} ."
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wget --quiet "${local_url}" --output-document="${local_dest_file}"
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## Unset variables
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unset local_url
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unset local_dest_file
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}
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# }}}
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is_file_empty() { # {{{
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local_file="${1}"
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## File is empty by default
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return_is_file_empty="0"
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### Check if the file is empty
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if [ ! -s "${local_file}" ]; then
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return_is_file_empty="0"
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debug_message "is_file_empty − \
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The file ${RED}${local_file}${COLOR_DEBUG} is empty or doesn't exists."
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else
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return_is_file_empty="1"
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debug_message "is_file_empty − \
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The file ${RED}${local_file}${COLOR_DEBUG} exists and has a size greater than zero."
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fi
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## Unset variables
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unset local_file
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return "${return_is_file_empty}"
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}
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# }}}
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main() { # {{{
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# Define all vars
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define_vars
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# Create diagnostic tools directory and config file
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mkdir --parents -- "${DIAG_INSTALLER_DIR}" \
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|| error_message "Can't create ${DIAG_INSTALLER_DIR}/ directory." 1
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true > ${CONFIG_PXE}
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# Memtest {{{
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MEMTEST_URL="http://www.memtest.org/download/${memtest_version}/memtest86+-${memtest_version}.bin.gz"
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MEMTEST_BIN="memtest86+-${memtest_version}.bin"
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# If this version is not already present on the system
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if is_file_absent "${MEMTEST_INSTALLER_DIR}/${memtest_version}"; then
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## (re)Create the installer directory
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rm --recursive --force -- "${MEMTEST_INSTALLER_DIR}"
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mkdir --parents -- "${MEMTEST_INSTALLER_DIR}"
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pushd "${MEMTEST_INSTALLER_DIR}" > /dev/null \
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|| error_message "Can't move to ${MEMTEST_INSTALLER_DIR} directory." 2
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## Download and extract the last version
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wget --quiet "${MEMTEST_URL}" -O - | gzip --decompress > "${MEMTEST_BIN}"
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is_file_empty "${MEMTEST_BIN}" \
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&& error_message "${MEMTEST_BIN} is empty." 3
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## Set simpler name (without the **.bin** extension !)
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ln --symbolic -- "${MEMTEST_BIN}" memtest86+
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### Add flag file to know that this version is available
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true > "${MEMTEST_INSTALLER_DIR}/${memtest_version}"
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popd > /dev/null \
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|| error_message "Can't move back from ${MEMTEST_INSTALLER_DIR}/ directory." 2
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fi
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# Config file
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/bin/cat >> "${CONFIG_PXE}" << EOF
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label memtest
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menu label ^Memory diagnostic tool (Memtest)
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kernel installer/memtest/memtest86+
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EOF
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# }}}
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# Gparted {{{
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# For available classic architecture
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for ARCH in amd64 i686; do
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GPARTED_URL="http://downloads.sourceforge.net/project/gparted/gparted-live-stable/${gparted_version}/gparted-live-${gparted_version}-${ARCH}.zip"
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GPARTED_TEMP_FILE="gparted-live-${gparted_version}-${ARCH}.zip"
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# If this version is not already present on the system
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if is_file_absent "${GPARTED_INSTALLER_DIR}/${ARCH}/${gparted_version}"; then
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## (re)Create the installer directory for this architecture
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rm --recursive --force -- "${GPARTED_INSTALLER_DIR}/${ARCH}"
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mkdir --parents -- "${GPARTED_INSTALLER_DIR}/${ARCH}"
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pushd "${GPARTED_INSTALLER_DIR}/${ARCH}" > /dev/null \
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|| error_message "Can't move to ${GPARTED_INSTALLER_DIR}/${ARCH} directory." 2
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## Download and extract the last version
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download_file "${GPARTED_URL}" "${GPARTED_TEMP_FILE}"
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is_file_empty "${GPARTED_TEMP_FILE}" \
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&& error_message "${GPARTED_TEMP_FILE} is empty." 3
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unzip -qq -j "${GPARTED_TEMP_FILE}" live/filesystem.squashfs live/initrd.img live/vmlinuz -d .
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rm --force -- "${GPARTED_TEMP_FILE}"
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### Add flag file to know that this version is available
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true > "${GPARTED_INSTALLER_DIR}/${ARCH}/${gparted_version}"
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/bin/cat >> "${CONFIG_PXE}" << EOF
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label gpartedlive${ARCH}
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menu label Partiton Manager ${ARCH} (^Gparted)
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kernel installer/gparted/${ARCH}/vmlinuz
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append initrd=installer/gparted/${ARCH}/initrd.img boot=live config components union=overlay username=user noswap noeject ip= vga=788 fetch=tftp://129.20.203.27/installer/gparted/${ARCH}/filesystem.squashfs
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EOF
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popd > /dev/null \
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|| error_message "Can't move back from ${GPARTED_INSTALLER_DIR}/${ARCH}/ directory." 2
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fi
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done
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### }}}
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# Config file
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/bin/cat >> "${CONFIG_PXE}" << EOF
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label separator
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menu label -----
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label mainmenu
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menu label ^Back..
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menu exit
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EOF
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}
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# }}}
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# Manage arguments # {{{
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# This code can't be in a function due to argument management
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if [ ! "${NBARGS}" -eq "0" ]; then
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manage_arg="0"
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## If the first argument is not an option
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if ! printf -- '%s' "${1}" | grep -q -E -- "^-+";
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then
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## Print help message and exit
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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fi
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# Parse all options (start with a "-") one by one
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while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
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case "${1}" in
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-g|--gparted ) ## Define gparted_version
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## Move to the next argument
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shift
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## Define var
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readonly gparted_version="${1}"
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;;
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-m|--memtest ) ## Define memtest_version
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## Move to the next argument
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shift
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## Define var
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readonly memtest_version="${1}"
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;;
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-d|--debug ) ## debug
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DEBUG=0
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;;
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-h|--help ) ## help
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usage
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## Exit after help informations
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exit 0
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;;
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* ) ## unknow option
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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;;
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esac
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debug_message "Arguments management − \
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${RED}${1}${COLOR_DEBUG} option managed."
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## Move to the next argument
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shift
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manage_arg=$((manage_arg+1))
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done
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debug_message "Arguments management − \
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${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
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else
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debug_message "Arguments management − \
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No arguments/options to manage."
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fi
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# }}}
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main
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exit 0
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