# Recreate some directories/symlinks in the rescue system if present. # Eventually more stuff from $SHARE_DIR/skel could be moved here. # The main use is for symlinks, as their presence in the source tree # (under $SHARE_DIR/skel) brings some problems. # See https://docs.fedoraproject.org/en-US/packaging-guidelines/Directory_Replacement/ # Other file types can be copied using this mechanism, # but it is probably better to use the COPY_AS_IS variable for them. # For a directory the difference is that COPY_AS_IS would copy it recursively, # while this mechanism recreates the directory as empty. # Try to care about possible errors # see https://github.com/rear/rear/wiki/Coding-Style set -e -u -o pipefail local skeleton_paths=( /var/run ) local skel_path local existing_skeleton_paths=() # some checks before copying for skel_path in "${skeleton_paths[@]}" ; do if ! [ -e "$skel_path" ] ; then Debug "Skeleton path '$skel_path' not present, not creating it under $ROOTFS_DIR" # tar would complain if given a nonexistent path, skip it continue fi # We could of course replace it, but this should not happen, # so erroring out is safer [ -e "$ROOTFS_DIR/$skel_path" ] && BugError "'$ROOTFS_DIR/$skel_path' already exists - remove '$skel_path' from $SHARE_DIR/skel if it is present there" # we want relative paths to avoid superfluous # "Removing leading `/' from member names" message from tar existing_skeleton_paths+=( "./$skel_path" ) done # no-recursion because we are interested in the directory itself and not its contents tar -f - --no-recursion -C / -c "${existing_skeleton_paths[@]}" | tar -f - -C "$ROOTFS_DIR" -x || Error "Failed to copy some of '${existing_skeleton_paths[*]}' to $ROOTFS_DIR" # Restore the ReaR default bash flags and options # from "set -e -u -o pipefail" (see usr/sbin/rear): apply_bash_flags_and_options_commands "$DEFAULT_BASH_FLAGS_AND_OPTIONS_COMMANDS"