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#!/bin/sh
set -eu
# Setup the environment
TEMP=$(mktemp -d)
mkdir "${TEMP}/orig" "${TEMP}/mnt"
cleanup() {
set +e
fusermount3 -u "${TEMP}/mnt"
rm -Rf "${TEMP}"
}
trap cleanup EXIT HUP INT TERM
# Create a minimal test tree
mkdir "${TEMP}/orig/dir"
echo blah > "${TEMP}/orig/dir/file"
# Create a squashfs
mksquashfs "${TEMP}/orig/" "${TEMP}/out.squashfs" -no-progress >/dev/null
# Mount the squashfs
mount -t fuse.squashfuse "${TEMP}/out.squashfs" "${TEMP}/mnt/"
# Diff the trees
diff -Nrup "${TEMP}/orig/" "${TEMP}/mnt/"
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