task.yaml

summary: Check refresh works with xdelta3 from the core snap

# delta downloads are currently disabled by default on core
systems: [-ubuntu-core-*]

environment:
    SNAP_NAME: test-snapd-delta-refresh

prepare: |
    echo "Ensure no xdelta3 available on the host"
    if [ -e /usr/bin/xdelta3 ]; then
        mv /usr/bin/xdelta3{,.disabled}
    fi

    echo "Given a snap is installed"
    snap install --edge $SNAP_NAME

restore: |
    if [ -e /usr/bin/xdelta3.disabled ]; then
        mv /usr/bin/xdelta3{.disabled,}
    fi

execute: |
    echo "When the snap is refreshed"
    snap refresh --beta $SNAP_NAME
    echo "Then deltas are successfully applied"
    journalctl -u snapd | MATCH "Successfully applied delta"