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#!/bin/sh
# Fake zfs for the zfs-pre-snapshot unit test. `snapshot` and `destroy` are
# logged (FAKE_ZFS_LOG); `list` prints a fixture snapshot set (FAKE_ZFS_SNAPSHOTS).
# Set FAKE_ZFS_SNAPSHOT_FAIL to make snapshot creation fail.
case "$1" in
snapshot)
[ -n "$FAKE_ZFS_SNAPSHOT_FAIL" ] && exit 1
echo "snapshot $2" >> "$FAKE_ZFS_LOG"; exit 0 ;;
destroy)
echo "destroy $2" >> "$FAKE_ZFS_LOG"; exit 0 ;;
list)
cat "$FAKE_ZFS_SNAPSHOTS" 2>/dev/null; exit 0 ;;
esac
exit 0
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