62 lines
2.0 KiB
Bash
62 lines
2.0 KiB
Bash
#!/bin/sh
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#
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# Copyright (C) 2014 Colin Walters <walters@verbum.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation; either version 2 of the licence or (at
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# your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General
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# Public License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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# Boston, MA 02111-1307, USA.
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# Gracefully exit if ostree is not installed, or there's
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# no system repository initialized.
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if ! which ostree >/dev/null 2>/dev/null; then
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exit 0
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fi
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if ! test -d /ostree/repo; then
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exit 0
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fi
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# Gracefully exit if the grub2 configuration has BLS enabled,
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# and the installed version has support for the blscfg module.
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# Since there is no need to create menu entries for that case.
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# See: https://src.fedoraproject.org/rpms/grub2/c/7c2bab5e98d
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. /etc/default/grub
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if test -f /boot/grub2/.grub2-blscfg-supported && \
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test "${GRUB_ENABLE_BLSCFG}" = "true"; then
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exit 0
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fi
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# Make sure we're in the right environment
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if ! test -n "${GRUB_DEVICE}"; then
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echo "This script must be run as a child of grub2-mkconfig" 1>&2
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exit 1
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fi
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set -e
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# Pick up stuff from grub's helper that we want to inject into our
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# generated bootloader configuration. Yes, this is pretty awful, but
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# it's a lot better than reimplementing the config-generating bits of
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# OSTree in shell script.
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. /usr/share/grub/grub-mkconfig_lib
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DEVICE=${GRUB_DEVICE_BOOT:-${GRUB_DEVICE}}
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GRUB2_BOOT_DEVICE_ID="$(grub_get_device_id ${DEVICE})"
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export GRUB2_BOOT_DEVICE_ID
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GRUB2_PREPARE_ROOT_CACHE="$(prepare_grub_to_access_device ${DEVICE})"
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export GRUB2_PREPARE_ROOT_CACHE
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exec ostree admin instutil grub2-generate
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