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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 14646] New: - need "-n", "show what to do but don't do it" command-line argument
Date Mon, 18 Nov 2002 19:25:50 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=14646

need "-n", "show what to do but don't do it" command-line argument

           Summary: need "-n", "show what to do but don't do it" command-
                    line argument
           Product: Ant
           Version: 1.5.1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Core
        AssignedTo: ant-dev@jakarta.apache.org
        ReportedBy: jernst@acm.org


make has a command-line flag "-n" which, instead of doing what it thinks it
needs to do, just prints out what it would do, but doesn't do it. This is very
useful when running newly constructed Makefiles for the first time: instead of
deleting files, for example, it only prints out which files it wants to delete,
thus giving me the opportunity to fix the script first before it deletes all my
files ...

I cannot find something similar for ant, and I would hate losing data ...

For example, <dependset> may delete the target files, which may be specified as
a wildcard. Short of executing the command, how do I check that it will actually
delete the right files? An "ant -n" would be highly useful. It should print out
something like
  <dependset>Delete /this/file1
  <dependset>Delete /that/other/file2

This needs to be done across ant, for all tasks, not just dependset.

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