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initrd-setup-root: Clean up whiteout entries for files to be recreated #79

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Nov 30, 2023
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initrd-setup-root: Clean up whiteout entries for files to be recreated #79

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11 changes: 11 additions & 0 deletions dracut/99setup-root/initrd-setup-root
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,17 @@ if [ -s /sysroot/selective-os-reset ]; then
rm -f /sysroot/etc/machine-id
fi

# Remove any user-created whiteouts for files that have a tmpfiles
# rule which normally would recreate them (we use the lowerdir for that).
while IFS="" read -r entry ; do
entry="/sysroot${entry}"
# The -c check for character devs also guards against empty strings and nonexisting files
# The stat command prints the major and minor device type in decimal
if [ -c "${entry}" ] && [ "$(stat --printf='%Hr %Lr\n' "${entry}")" = "0 0" ]; then
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rm "${entry}" || true
fi
done < /sysroot/usr/share/flatcar/etc-no-whiteouts

# This creates the modifiable users/groups in /sysroot/etc,
# initializing the shadow database in the process. This needs to
# happen early, so systemd-tmpfiles can read the user info from
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