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IBM Rational ClearCase 7.0: Master the Tools That Monitor, Analyze, and Manage Software Configurations by Tatiana Shpichko, Marc Girod

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Branches and branch types

It is sometimes difficult for users to understand that branches may actually be themselves objects, distinct from the branch types. A way to convince one of this fact is to use the chtype and rename operations, and to notice how they apply respectively to branch instances and to branch types.

Using chtype (or rename) may be an option to modify the way in which a given config spec will select a version of an element: this will happen if either the initial or the new type (name) is matched in a rule:

$ ct ls foo bar zoo foo@@ [no version selected] bar@@/main/m/3 Rule: .../m/LATEST zoo@@ [no version selected] $ ct catcs element * CHECKEDOUT element * .../m/LATEST $ ct lsvtree foo foo@@/main/m1 foo@@/main/m1/0 foo@@/main/m1/1 ...

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