Essential CVS by Jennifer Vesperman

By Jennifer Vesperman

CVS, the Concurrent types process, is the preferred source-code administration software that frees builders from the chaos that too frequently ensues while a number of clients paintings at the similar dossier. An open resource expertise that's to be had on so much desktop structures, together with WindowsÂR and Mac OSÂR X, CVS is time-honored to regulate software code, website content material, and to trace adjustments made to process configuration records. a number of clients can try out documents from a listing tree, make alterations, after which devote these adjustments again into the listing. If builders adjust an identical dossier, CVS allows either units of adjustments to be merged jointly into one ultimate dossier. even supposing CVS is a lifesaver in lots of improvement situations, it suffers from terrible documentation. yet with crucial CVS, builders could have all of it: the order that CVS brings and the great documentation builders desire. crucial CVS is an entire and easy-to-follow reference that is helping programmers and procedure directors observe order to the duty of coping with huge amounts of records. The publication covers uncomplicated ideas and utilization of CVS, and contours a finished reference for CVS instructions - together with a convenient Command Reference Card for speedy, on-the-job exams. The ebook additionally comprises complex details on all features of CVS that contain automation, logging, branching and merging, and "watches."

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Commands in this chapter include add, remove, commit, and update. Concepts covered include the CVS repository and sandboxes, conflicts and merges, using CVS with binary files, and switching repositories. Chapter 4 Tagging, branching, and merging branches back to the trunk are closely related topics. This chapter explains tagging and branching, including why and when to tag or branch your project, tagging before releases, and using branching to create a bugfix version of a project. Chapter 5 This chapter explains the systems used in CVS to permit multiple developers to work on the same project without loss of data.

Merging is done during cvs update, but it can also occur when checkout is used on an existing sandbox. Example 3-6 showed a merge during an update. Example 3-12 shows both a merge and a conflict. 46 Part II: Using CVS Part II: Using CVS 47 Example 3-12. 05a$ cvs update cvs server: Updating . revision in the file's working directory, and the results of the merge are stored as the original filename. CVS creates a set of conflict marks and content revisions for every conflict in the file. If several neighboring lines have a conflict, CVS produces a single set of conflict marks around the group of lines, as shown in Example 3-13.

F filename Provide a log message from the specified file. -r revision Set an updated revision number (not recommended for novice users). Example 3-3 shows a typical cvs commit. The vertical ellipsis denotes the point at which CVS normally calls the editor. Example 3-4 shows the default text displayed in the editor and the log message for this commit. Example 3-3. Using cvs commit /home/jenn/cvs/wizzard$ cvs commit cvs commit: Examining . cvs commit: Examining doc cvs commit: Examining lib cvs commit: Examining man cvs commit: Examining src .

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