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Essential CVS by Jennifer Vesperman

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Running Scripts

In the repository’s CVSROOT directory, there are several scripting files that allow you to run scripts while a project is being committed, tagged, updated, or modified in other ways. The scripts called from scripting files are often used to interact with other programs or to enforce standards.

Example 7-6 shows a commitinfo scripting file that runs a layout-testing program called indent-tester on the wizzard project files. CVS calls scripts in commitinfo before files are committed.

Example 7-6. Sample commitinfo file

^wizzard/src\(/\|$\) /var/lib/cvs/CVSROOT/indent-tester -gnu

When a project file is committed, CVS searches the commitinfo file for rules that match the project file’s path; if CVS finds a rule, it runs the script given in that rule. The rule in Example 7-6 matches all files in the src directory (and its subdirectories) of the wizzard project and tells CVS to run the indent-tester script on those files. Later in this chapter, Example 7-8 shows the indent-tester script that can be used to enforce indentation standards for a project.

CVS processes the scripting files separately for each directory that is affected by a command, and it calls the script in the scripting file once for each directory it matches. If you run cvs commit wizzard, CVS checks commitinfo for patterns that match wizzard and runs the script once for the files in the wizzard directory, then does the same for each subdirectory, checking for patterns that match wizzard/doc and processing ...

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