| 摘要 |
Library management systems are used in data processing systems as a repository for objects such as computer programming code, textual information and various other types of data. Any object may be taken from the library, modified and returned as a new version. Several new versions may be created, each of which may also have new versions created, making it difficult to obtain the "correct" version. To resolve this difficulty, all versions are associated with their changes in order to determine whether a requested action, such as promoting a version from test to production, is allowable and truly desired. Thus, when an action is requested in terms of a number of reasons and a baseline version, any additional reasons for change associated with versions between the baseline and the desired version are determined. It is also determined whether there is a single version that encompasses exactly those versions created for the specified reasons from the baseline version.
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