From f3753ce6b7a28415294213a17107f11e96acd26b Mon Sep 17 00:00:00 2001 From: user Date: Sun, 4 Jun 2023 12:12:22 +0200 Subject: [PATCH] add new grub.d configurations and submenu entrys --- arch-graphical-install-auto.sh | 5 +- arch-install.sh | 17 +- configs/grub.d/10_linux | 358 ------------------------- configs/grub.d/40_linux | 6 + configs/grub.d/40_snapshots | 23 ++ scripts/extract-menuentry-snapshots.py | 33 +++ scripts/extract-menuentry.py | 33 +++ 7 files changed, 112 insertions(+), 363 deletions(-) delete mode 100755 configs/grub.d/10_linux create mode 100755 configs/grub.d/40_linux create mode 100755 configs/grub.d/40_snapshots create mode 100755 scripts/extract-menuentry-snapshots.py create mode 100755 scripts/extract-menuentry.py diff --git a/arch-graphical-install-auto.sh b/arch-graphical-install-auto.sh index b6d321c..6a775ea 100755 --- a/arch-graphical-install-auto.sh +++ b/arch-graphical-install-auto.sh @@ -692,8 +692,11 @@ userrechte # grub-updater if [ -d /etc/grub.d ]; then - cp /opt/${repo}/configs/grub.d/10_linux /etc/grub.d/10_linux + cp -v /opt/${repo}/configs/grub.d/* /etc/grub.d/ fi +cp /opt/${repo}/scripts/extract-menuentry.py /usr/bin/extract-menuentry.py +cp /opt/${repo}/scripts/extract-menuentry-snapshots.py /usr/bin/extract-menuentry-snapshots.py + mkdir -p /boot/grub/ grub-mkconfig -o /boot/grub/grub.cfg diff --git a/arch-install.sh b/arch-install.sh index 1d18af6..41dbb96 100755 --- a/arch-install.sh +++ b/arch-install.sh @@ -780,15 +780,24 @@ function grubinstall() { parameter="${parameter}cryptkey=UUID=${usbkeyuuid}:${usbkeydateisystem}:\/archkey " fi + sed -i '/GRUB_CMDLINE_LINUX=/d' ${mountpoint}/etc/default/grub + echo "GRUB_CMDLINE_LINUX=\"${parameter}\"" >> ${mountpoint}/etc/default/grub + [[ -z "${autostartdesktop}" ]] && autostartdesktop=sway [[ -z "${lang}" ]] && lang=de_DE [[ -z "${keytable}" ]] && keytable=de [[ -z "${tz}" ]] && tz=Europe/Berlin - parameter="${parameter}autostartdesktop=${autostartdesktop} lang=${lang} keytable=${keytable} tz=${tz} " + parameter="lang=${lang} keytable=${keytable} tz=${tz} autostartdesktop=sway " + + sed -i '/GRUB_CMDLINE_LINUX_DEFAULT=/d' ${mountpoint}/etc/default/grub + echo "GRUB_CMDLINE_LINUX_DEFAULT=\"${parameter}\"" >> ${mountpoint}/etc/default/grub + + parameter="lang=${lang} keytable=${keytable} tz=${tz} autostartdesktop=i3 " + + sed -i '/GRUB_CMDLINE_LINUX_DEFAULT_ALT=/d' ${mountpoint}/etc/default/grub + echo "GRUB_CMDLINE_LINUX_DEFAULT_ALT=\"${parameter}\"" >> ${mountpoint}/etc/default/grub - sed -i '/GRUB_CMDLINE_LINUX=/d' ${mountpoint}/etc/default/grub - echo "GRUB_CMDLINE_LINUX=\"${parameter}\"" >> ${mountpoint}/etc/default/grub echo "GRUB_DISABLE_OS_PROBER=true" >> ${mountpoint}/etc/default/grub } @@ -1243,7 +1252,7 @@ function abfrage() { read -p "Should you autologin in youre System? : [Y/n] " autologin [[ -z "${autologin}" ]] && autologin=y - read -p "Should you start Sway (default) or I3? : [SWAY/I3] " autostartdesktop + read -p "Should you start Sway (default) or I3 (this can selected by the last load GRUB Entry)? : [SWAY/I3] " autostartdesktop [[ -z "${autostartdesktop}" ]] && autostartdesktop=sway if lspci | grep -e VGA -e 3D -m 1 | grep NVIDIA; then diff --git a/configs/grub.d/10_linux b/configs/grub.d/10_linux deleted file mode 100755 index f1625b4..0000000 --- a/configs/grub.d/10_linux +++ /dev/null @@ -1,358 +0,0 @@ -#! /bin/sh -set -e - -# grub-mkconfig helper script. -# Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc. -# -# GRUB is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# GRUB is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GRUB. If not, see . - -prefix="/usr" -exec_prefix="/usr" -datarootdir="/usr/share" - -. "$pkgdatadir/grub-mkconfig_lib" - -export TEXTDOMAIN=grub -export TEXTDOMAINDIR="${datarootdir}/locale" - -CLASS="--class gnu-linux --class gnu --class os" - -if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then - OS=Linux -else - OS="${GRUB_DISTRIBUTOR} Linux" - CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}" -fi - -# loop-AES arranges things so that /dev/loop/X can be our root device, but -# the initrds that Linux uses don't like that. -case ${GRUB_DEVICE} in - /dev/loop/*|/dev/loop[0-9]) - GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"` - ;; -esac - -if [ "x${GRUB_CMDLINE_LINUX_RECOVERY}" = "x" ] ; then - GRUB_CMDLINE_LINUX_RECOVERY=single -fi - -# Default to disabling partition uuid support to maintian compatibility with -# older kernels. -GRUB_DISABLE_LINUX_PARTUUID=${GRUB_DISABLE_LINUX_PARTUUID-true} - -# btrfs may reside on multiple devices. We cannot pass them as value of root= parameter -# and mounting btrfs requires user space scanning, so force UUID in this case. -if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] && [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] ) \ - || ( [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ - && [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ] ) \ - || ( ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ - && ! test -e "/dev/disk/by-partuuid/${GRUB_DEVICE_PARTUUID}" ) \ - || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then - LINUX_ROOT_DEVICE=${GRUB_DEVICE} -elif [ "x${GRUB_DEVICE_UUID}" = "x" ] \ - || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ]; then - LINUX_ROOT_DEVICE=PARTUUID=${GRUB_DEVICE_PARTUUID} -else - LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} -fi - -case x"$GRUB_FS" in - xbtrfs) - rootsubvol="`make_system_path_relative_to_its_root /`" - rootsubvol="${rootsubvol#/}" - if [ "x${rootsubvol}" != x ]; then - GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}" - fi;; - xzfs) - rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true` - bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`" - LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs%/}" - ;; -esac - -title_correction_code= - -linux_entry () -{ - os="$1" - version="$2" - type="$3" - args="$4" - - if [ -z "$boot_device_id" ]; then - boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")" - fi - if [ x$type != xsimple ] ; then - case $type in - booster) - title="$(gettext_printf "%s, with Linux %s (booster initramfs)" "${os}" "${version}")" ;; - fallback) - title="$(gettext_printf "%s, with Linux %s (fallback initramfs)" "${os}" "${version}")" ;; - snapshot) - title="$(gettext_printf "%s, with Linux %s (snapshot) ${SNAPSHOTNAME}" "${os}" "${version}")" ;; - recovery) - title="$(gettext_printf "%s, with Linux %s (recovery mode)" "${os}" "${version}")" ;; - *) - title="$(gettext_printf "%s, with Linux %s" "${os}" "${version}")" ;; - esac - if [ x"$title" = x"$GRUB_ACTUAL_DEFAULT" ] || [ x"Previous Linux versions>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then - replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')" - quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)" - title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;" - grub_warn "$(gettext_printf "Please don't use old title \`%s' for GRUB_DEFAULT, use \`%s' (for versions before 2.00) or \`%s' (for 2.00 or later)" "$GRUB_ACTUAL_DEFAULT" "$replacement_title" "gnulinux-advanced-$boot_device_id>gnulinux-$version-$type-$boot_device_id")" - fi - echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/" - else - echo "menuentry '$(echo "$os" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/" - fi - if [ x$type != xrecovery ] ; then - save_default_entry | grub_add_tab - fi - - # Use ELILO's generic "efifb" when it's known to be available. - # FIXME: We need an interface to select vesafb in case efifb can't be used. - if [ "x$GRUB_GFXPAYLOAD_LINUX" = x ]; then - echo " load_video" | sed "s/^/$submenu_indentation/" - if grep -qx "CONFIG_FB_EFI=y" "${config}" 2> /dev/null \ - && grep -qx "CONFIG_VT_HW_CONSOLE_BINDING=y" "${config}" 2> /dev/null; then - echo " set gfxpayload=keep" | sed "s/^/$submenu_indentation/" - fi - else - if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then - echo " load_video" | sed "s/^/$submenu_indentation/" - fi - echo " set gfxpayload=$GRUB_GFXPAYLOAD_LINUX" | sed "s/^/$submenu_indentation/" - fi - - echo " insmod gzio" | sed "s/^/$submenu_indentation/" - - if [ x$dirname = x/ ]; then - if [ -z "${prepare_root_cache}" ]; then - prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | grub_add_tab)" - fi - printf '%s\n' "${prepare_root_cache}" | sed "s/^/$submenu_indentation/" - else - if [ -z "${prepare_boot_cache}" ]; then - prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)" - fi - printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/" - fi - message="$(gettext_printf "Loading Linux %s ..." ${version})" - sed "s/^/$submenu_indentation/" << EOF - echo '$(echo "$message" | grub_quote)' - linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} rw ${args} -EOF - if test -n "${initrd}" ; then - # TRANSLATORS: ramdisk isn't identifier. Should be translated. - message="$(gettext_printf "Loading initial ramdisk ...")" - initrd_path= - for i in ${initrd}; do - initrd_path="${initrd_path} ${rel_dirname}/${i}" - done - sed "s/^/$submenu_indentation/" << EOF - echo '$(echo "$message" | grub_quote)' - initrd $(echo $initrd_path) -EOF - fi - sed "s/^/$submenu_indentation/" << EOF -} -EOF -} - -machine=`uname -m` -case "x$machine" in - xi?86 | xx86_64) - list= - for i in /boot/vmlinuz-* /vmlinuz-* /boot/kernel-* ; do - if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi - done ;; - *) - list= - for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* /boot/kernel-* ; do - if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi - done ;; -esac - -case "$machine" in - i?86) GENKERNEL_ARCH="x86" ;; - mips|mips64) GENKERNEL_ARCH="mips" ;; - mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;; - arm*) GENKERNEL_ARCH="arm" ;; - *) GENKERNEL_ARCH="$machine" ;; -esac - -prepare_boot_cache= -prepare_root_cache= -boot_device_id= -title_correction_code= - -# Extra indentation to add to menu entries in a submenu. We're not in a submenu -# yet, so it's empty. In a submenu it will be equal to '\t' (one tab). -submenu_indentation="" - -# Perform a reverse version sort on the entire list. -# Temporarily replace the '.old' suffix by ' 1' and append ' 2' for all -# other files to order the '.old' files after their non-old counterpart -# in reverse-sorted order. - -reverse_sorted_list=$(echo $list | tr ' ' '\n' | sed -e 's/\.old$/ 1/; / 1$/! s/$/ 2/' | version_sort -r | sed -e 's/ 1$/.old/; s/ 2$//') - -is_top_level=true -for linux in ${reverse_sorted_list}; do - gettext_printf "Found linux image: %s\n" "$linux" >&2 - basename=`basename $linux` - dirname=`dirname $linux` - rel_dirname=`make_system_path_relative_to_its_root $dirname` - version=`echo $basename | sed -e "s,vmlinuz-,,g"` - alt_version=`echo $version | sed -e "s,\.old$,,g"` - linux_root_device_thisversion="${LINUX_ROOT_DEVICE}" - - initrd_early= - for i in ${GRUB_EARLY_INITRD_LINUX_STOCK} \ - ${GRUB_EARLY_INITRD_LINUX_CUSTOM}; do - if test -e "${dirname}/${i}" ; then - initrd_early="${initrd_early} ${i}" - fi - done - - initrd_real= - for i in "initrd.img-${version}" "initrd-${version}.img" \ - "initrd-${alt_version}.img.old" "initrd-${version}.gz" \ - "initrd-${alt_version}.gz.old" "initrd-${version}" \ - "initramfs-${version}.img" "initramfs-${alt_version}.img.old" \ - "initrd.img-${alt_version}" "initrd-${alt_version}.img" \ - "initrd-${alt_version}" "initramfs-${alt_version}.img" \ - "initramfs-genkernel-${version}" \ - "initramfs-genkernel-${alt_version}" \ - "initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \ - "initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}"; do - if test -e "${dirname}/${i}" ; then - initrd_real="${i}" - break - fi - done - - initrd= - if test -n "${initrd_early}" || test -n "${initrd_real}"; then - initrd="${initrd_early} ${initrd_real}" - - initrd_display= - for i in ${initrd}; do - initrd_display="${initrd_display} ${dirname}/${i}" - done - gettext_printf "Found initrd image: %s\n" "$(echo $initrd_display)" >&2 - fi - - config= - for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do - if test -e "${i}" ; then - config="${i}" - break - fi - done - - initramfs= - if test -n "${config}" ; then - initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr -d \"` - fi - - if test -z "${initramfs}" && test -z "${initrd_real}" ; then - # "UUID=" and "ZFS=" magic is parsed by initrd or initramfs. Since there's - # no initrd or builtin initramfs, it can't work here. - if [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] \ - || [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ]; then - - linux_root_device_thisversion=${GRUB_DEVICE} - else - linux_root_device_thisversion=PARTUUID=${GRUB_DEVICE_PARTUUID} - fi - fi - - # The GRUB_DISABLE_SUBMENU option used to be different than others since it was - # mentioned in the documentation that has to be set to 'y' instead of 'true' to - # enable it. This caused a lot of confusion to users that set the option to 'y', - # 'yes' or 'true'. This was fixed but all of these values must be supported now. - if [ "x${GRUB_DISABLE_SUBMENU}" = xyes ] || [ "x${GRUB_DISABLE_SUBMENU}" = xy ]; then - GRUB_DISABLE_SUBMENU="true" - fi - - if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xtrue ]; then - linux_entry "${OS}" "${version}" simple \ - "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" - - submenu_indentation="$grub_tab" - - if [ -z "$boot_device_id" ]; then - boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")" - fi - # TRANSLATORS: %s is replaced with an OS name - echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {" - is_top_level=false - fi - - linux_entry "${OS}" "${version}" advanced \ - "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" - - if test -e "${dirname}/initramfs-${version}-fallback.img" ; then - initrd="${initrd_early} initramfs-${version}-fallback.img" - - if test -n "${initrd}" ; then - gettext_printf "Found fallback initrd image(s) in %s:%s\n" "${dirname}" "${initrd_extra} ${initrd}" >&2 - fi - - linux_entry "${OS}" "${version}" fallback \ - "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" - fi - - if test -e "${dirname}/booster-${version}.img" ; then - initrd="${initrd_early} booster-${version}.img" - - if test -n "${initrd}" ; then - gettext_printf "Found booster initrd image(s) in %s:%s\n" "${dirname}" "${initrd_extra} ${initrd}" >&2 - fi - - linux_entry "${OS}" "${version}" booster \ - "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" - fi - - if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then - linux_entry "${OS}" "${version}" recovery \ - "${GRUB_CMDLINE_LINUX_RECOVERY} ${GRUB_CMDLINE_LINUX}" - fi -done - -# If at least one kernel was found, then we need to -# add a closing '}' for the submenu command. -if [ x"$is_top_level" != xtrue ]; then - echo '}' -fi - -if [ -f "/etc/grub-snapshot" ]; then - if [ "$(cat /etc/grub-snapshot | wc -l)" != 0 ]; then - # TRANSLATORS: %s is replaced with an OS name - echo "submenu '$(gettext_printf "Snapshot options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-snapshot-$boot_device_id' {" - is_top_level=false - snapshotanzahl="$(expr $(wc -l /etc/grub-snapshot | awk '{print $1}') + 1)" - while (( "$(expr $snapshotanzahl - 1)" )); do - snapshotanzahl=`expr ${snapshotanzahl} - 1` - SNAPSHOTNAME="$(cat /etc/grub-snapshot | sed ''$snapshotanzahl'!d')" - SNAPSHOT="rootflags=subvol=${SNAPSHOTNAME}" - linux_entry "${OS}" "${version}" snapshot \ - "${SNAPSHOT} ${GRUB_CMDLINE_LINUX#* } ${GRUB_CMDLINE_LINUX_DEFAULT}" - done - echo '}' - fi -fi - -echo "$title_correction_code" diff --git a/configs/grub.d/40_linux b/configs/grub.d/40_linux new file mode 100755 index 0000000..c621c1a --- /dev/null +++ b/configs/grub.d/40_linux @@ -0,0 +1,6 @@ +#!/bin/sh +. /etc/default/grub +export GRUB_DISABLE_RECOVERY=true +export GRUB_DISABLE_SUBMENU=y +export GRUB_CMDLINE_LINUX_DEFAULT=$GRUB_CMDLINE_LINUX_DEFAULT_ALT +/etc/grub.d/10_linux | python /usr/bin/extract-menuentry.py diff --git a/configs/grub.d/40_snapshots b/configs/grub.d/40_snapshots new file mode 100755 index 0000000..47b6e58 --- /dev/null +++ b/configs/grub.d/40_snapshots @@ -0,0 +1,23 @@ +#!/bin/sh +. /etc/default/grub +export GRUB_DISABLE_RECOVERY=true +export GRUB_DISABLE_SUBMENU=y +export GRUB_CMDLINE_LINUX_DEFAULT=$GRUB_CMDLINE_LINUX_DEFAULT_ALT + +if [ -f "/etc/grub-snapshot" ]; then + if [ "$(cat /etc/grub-snapshot | wc -l)" != 0 ]; then + # TRANSLATORS: %s is replaced with an OS name + echo "submenu 'Snapshot options for SpectreOS' \$menuentry_id_option 'gnulinux-snapshot-$boot_device_id' {" + is_top_level=false + snapshotanzahl="$(expr $(wc -l /etc/grub-snapshot | awk '{print $1}') + 1)" + while (( "$(expr $snapshotanzahl - 1)" )); do + snapshotanzahl=`expr ${snapshotanzahl} - 1` + SNAPSHOTNAME="$(cat /etc/grub-snapshot | sed ''$snapshotanzahl'!d')" + SNAPSHOT="rootflags=subvol=${SNAPSHOTNAME}" + + export GRUB_CMDLINE_LINUX="${SNAPSHOT} ${GRUB_CMDLINE_LINUX#* }" + /etc/grub.d/10_linux | python /usr/bin/extract-menuentry-snapshots.py ${SNAPSHOT#*@} + done + echo '}' + fi +fi diff --git a/scripts/extract-menuentry-snapshots.py b/scripts/extract-menuentry-snapshots.py new file mode 100755 index 0000000..4285bc9 --- /dev/null +++ b/scripts/extract-menuentry-snapshots.py @@ -0,0 +1,33 @@ +#!/usr/bin/env python3 +import os, sys, re + +# https://askubuntu.com/questions/1155064/grub2-create-2nd-boot-entry-with-different-kernel-command-line-options-in-grub + +menuentry_start = "menuentry" + +def extract_menuentry(infile): + in_menuentry = False + for line in infile.readlines(): + if in_menuentry: + if line.strip() == "}": + in_menuentry = False + print(line.rstrip()) + pass + else: + print(line.rstrip()) + pass + pass + else: + if line.startswith(menuentry_start): + in_menuentry = True + match = re.search(r"menuentry '[^']+' (.*)", line) + print("menuentry '%s' %s" % (os.environ.get('GRUB_ALT_NAME', 'SpectreOS Linux Snapshot ({})'.format(sys.argv[1])), match.group(1))) + pass + pass + pass + pass + + +if __name__ == "__main__": + extract_menuentry(sys.stdin) + pass diff --git a/scripts/extract-menuentry.py b/scripts/extract-menuentry.py new file mode 100755 index 0000000..eea91ff --- /dev/null +++ b/scripts/extract-menuentry.py @@ -0,0 +1,33 @@ +#!/usr/bin/env python3 +import os, sys, re + +# https://askubuntu.com/questions/1155064/grub2-create-2nd-boot-entry-with-different-kernel-command-line-options-in-grub + +menuentry_start = "menuentry" + +def extract_menuentry(infile): + in_menuentry = False + for line in infile.readlines(): + if in_menuentry: + if line.strip() == "}": + in_menuentry = False + print(line.rstrip()) + pass + else: + print(line.rstrip()) + pass + pass + else: + if line.startswith(menuentry_start): + in_menuentry = True + match = re.search(r"menuentry '[^']+' (.*)", line) + print("menuentry '%s' %s" % (os.environ.get('GRUB_ALT_NAME', 'SpectreOS Linux alt'), match.group(1))) + pass + pass + pass + pass + + +if __name__ == "__main__": + extract_menuentry(sys.stdin) + pass