Node: Parent-Version attribute, Next: Project-Keywords attribute, Previous: Merge-Parents attribute, Up: Descriptors
This attribute, along with the Merge-Parents attribute described above, tracks the history of a project version: Parent-Version records the version from which a project version originally descended, and Merge-Parents records versions against which it was merged.
Parent-Version P M N | Attribute |
This has the same form as the Project-Version attribute
(see Project-Version attribute), except that for an initial version
(unrelated to any prior version),
each of P, M, and N is
Given two versions in a repository, any version that is an ancestor to both is called a common ancestor. A common ancestor whose distance from both is minimal is called a nearest common ancestor. It is possible for there to be more than one nearest common ancestor. If so, commands attempting to determine the nearest common ancestor will either abort or ask the user for help. Each
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