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#!/bin/bash
# platform = multi_platform_all
source common.sh
{{%- if ARG_VARIABLE %}}
# variables = {{{ ARG_VARIABLE }}}=correct_value
{{%- set ARG_NAME_VALUE= ARG_NAME ~ "=correct_value" %}}
{{%- set ARG_NAME_VALUE_WRONG= ARG_NAME ~ "=wrong_value" %}}
{{%- else %}}
{{%- set ARG_NAME_VALUE_WRONG= "wrong_variable" %}}
{{%- endif %}}
# Clean up and make sure we are at a passing state
rm -f /etc/default/grub.d/*
# Correct the form of default kernel command line in GRUB /etc/default/grub and applies value through Grubby
if grep -q '^GRUB_CMDLINE_LINUX_DEFAULT=.*{{{ ESCAPED_ARG_NAME }}}=.*"' '/etc/default/grub' ; then
# modify the GRUB command-line if an arg=value already exists
sed -i 's/\(^GRUB_CMDLINE_LINUX_DEFAULT=".*\){{{ ARG_NAME }}}=[^[:space:]]*\(.*"\)/\1{{{ ARG_NAME_VALUE_WRONG }}} \2/' '/etc/default/grub'
else
# no arg is present, append it
sed -i 's/\(^GRUB_CMDLINE_LINUX_DEFAULT=".*\)"/\1{{{ ARG_NAME_VALUE_WRONG }}}"/' '/etc/default/grub'
fi
# removing the parameter from the no recovery kernel parameters as well
sed -i 's/\(^GRUB_CMDLINE_LINUX=".*\){{{ ARG_NAME }}}=[^[:space:]]*\(.*"\)/\1 \2/' '/etc/default/grub'
# disabling recovery
sed -i 's/\(^.*GRUB_DISABLE_RECOVERY=\).*/\1true/' '/etc/default/grub'
#if the line is not present at all, add it
if ! grep -q '^GRUB_CMDLINE_LINUX_DEFAULT=.*$' '/etc/default/grub'; then
echo 'GRUB_CMDLINE_LINUX_DEFAULT="{{{ ARG_NAME_VALUE }}}"' >> /etc/default/grub
fi
{{{ grub_command("update") }}}
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