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build_library/build_image_util.sh: Remove temporary /etc backup

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The temporary /etc backup created during emerging packages should only
contain empty files that will make sure that the symlinks pointing to
files within the /etc backup won't dangle at any time.
This commit is contained in:
Krzesimir Nowak 2023-05-03 12:51:13 +02:00
parent bd2bf6acec
commit 27f20f6e26
1 changed files with 11 additions and 2 deletions
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13
build_library/build_image_util.sh
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@ -836,9 +836,18 @@ EOF
sudo setfiles -Dv -r "${root_fs_dir}" "${root_fs_dir}"/etc/selinux/mcs/contexts/files/file_contexts "${root_fs_dir}"/etc
fi
# Backup the /etc contents to /usr/share/flatcar/etc to serve as source
# for creating missing files
# Backup the /etc contents to /usr/share/flatcar/etc to serve as
# source for creating missing files. Make sure that the preexisting
# /usr/share/flatcar/etc does not have any meaningful (non-empty)
# files, so we remove nothing important. There shouldn't be any
# symlinks either. Add "! -type d" to exclude directories as "stat"
# usually returns a size of a directory being 4096 or so.
if [[ $(sudo find "${root_fs_dir}/usr/share/flatcar/etc" -size +0 ! -type d 2>/dev/null | wc -l) -gt 0 ]]; then
die "Unexpected non-empty files in ${root_fs_dir}/usr/share/flatcar/etc"
fi
sudo rm -rf "${root_fs_dir}/usr/share/flatcar/etc"
sudo cp -a "${root_fs_dir}/etc" "${root_fs_dir}/usr/share/flatcar/etc"
# Remove the rootfs state as it should be recreated through the
# tmpfiles and may not be present on updating machines. This
# makes sure our tests cover the case of missing files in the