This section let you choose the default rules to apply
when merging three directories. You can choose to
mirror left, middle (ancestor) or right
version (which will disable all the controls in this
window) or to apply specific rules. You can
also select remove the item, this option
will remove all the items (those which are neither modified by
hand to something else nor ignored).
When left or right version was changed since the ancestor
but the other one is missing, you can:
keep the existing version,
remove the item,
let unresolved
When both left and right versions changed differently since
the ancestor, and merge is not applicayou can:
remove the item,
keep oldest or most recent version,
keep the left/ancestor/right version,
let unresolved
When both versions exist, you can choose to:
use the standard 3-way merge algorithm if
applicable,
keep oldest or most recent version,
keep the left/ancestor/right version,
remove the item,
let unresolved
When left or right items was added since ancestor (or both
added and identical), you can:
keep the item,
remove the item
When left or right item was remove since ancestor (the other
item being also removed or identical to the ancestor), you
can:
keep the item,
remove the item
When all the versions exist and are identical, you can:
keep the item,
remove the item
When the item is missing from the left, ancestor and
right views, but present in the result folder, you can: