This file is used to check that snapd can read a squashfs image.

The squashfs was generated with:
#!/bin/sh

cd $(mktemp -d)
cat > canary.txt<<'EOF'
This file is used to check that snapd can read a squashfs image.

The squashfs was generated with:
EOF
cat $0 >> canary.txt

mksquashfs . /tmp/canary.squashfs -noappend -comp xz -no-xattrs -no-fragments >/dev/null
cat /tmp/canary.squashfs | gzip - | base64