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init: make sure config.user is overriden only with new values so that going DEBUG/undoing can work reproducibly #1772

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10 changes: 8 additions & 2 deletions initrd/init
Original file line number Diff line number Diff line change
Expand Up @@ -140,8 +140,14 @@ fi
#
# Values in user config have higher priority during combining thus effectively
# changing the value for the rest of the scripts which source /tmp/config.
echo "export CONFIG_TPM=\"$CONFIG_TPM\"" >> /etc/config.user
echo "export CONFIG_TPM2_TOOLS=\"$CONFIG_TPM2_TOOLS\"" >> /etc/config.user

#Only set CONFIG_TPM and CONFIG_TPM2_TOOLS if they are not already set in /etc/config.user
if ! grep -q 'CONFIG_TPM=' /etc/config.user; then
echo "export CONFIG_TPM=\"$CONFIG_TPM\"" >> /etc/config.user
fi
if ! grep -q 'CONFIG_TPM2_TOOLS=' /etc/config.user; then
echo "export CONFIG_TPM2_TOOLS=\"$CONFIG_TPM2_TOOLS\"" >> /etc/config.user
fi

# CONFIG_BASIC was previously CONFIG_PUREBOOT_BASIC in the PureBoot distribution.
# Substitute it in config.user if present for backward compatibility.
Expand Down