echo Create a series of snapshots, with names that intentionally sort
echo differently by topology than by name. Use revert to create fanout.
snapshot-create-as test s1
snapshot-create-as test s1
snapshot-create-as test s3
snapshot-create-as test s2
snapshot-revert test s3
snapshot-create-as test s6
snapshot-create-as test s5
snapshot-revert test s6
snapshot-create-as test s4
snapshot-revert test s1
snapshot-create-as test s7
snapshot-create-as test s8

echo checkpoints cannot be created while snapshots exist
checkpoint-create-as test c1

echo Checking tree view (siblings sorted alphabetically)
snapshot-list test --tree

echo Current was last one created, but we can change that
snapshot-current test --name
snapshot-current test s1
snapshot-current test --name

echo Deleting current root leads to multiple roots, demonstrate list filtering
snapshot-delete test --current
snapshot-current test --name

echo list roots
snapshot-list test --roots --name
echo list leaves
snapshot-list test --leaves --name
echo list no-leaves
snapshot-list test --parent --no-leaves --name
echo list from
snapshot-list test --from s3 --name
snapshot-list test --from s3 --descendants --name

echo More fun with delete flags, current node moves up to remaining parent
snapshot-current test s4
snapshot-delete test --children-only s6
snapshot-current test --name
snapshot-delete test --children s7
snapshot-current test --name
snapshot-delete test s6
snapshot-current test --name

echo Now the tree is linear, so we have an unambiguous topological order
snapshot-list test --name
snapshot-list test --name --topological
snapshot-dumpxml test s3
snapshot-dumpxml test s2