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Editorial Team
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Asked: 2026-05-29T05:43:31+00:00

I have this rakefile that works fine when called from a Start Command Prompt

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I have this rakefile that works fine when called from a “Start Command Prompt with Ruby” instance, but fails when called with rake.bat. This means I can’t get it to work on Jenkins at all using the Rake build step plugin.

From what I can tell, it’s the rake/clean task that’s messing up and deleting all files in a “/Core” directory. I’ve explicitly excluded this from the CLEAN filelist, but when called from rake.bat, this is completely ignored.

What could possibly be the cause for this?

Edit:
OK, more info. CLEAN.exclude('**/core') is ignored the first time it’s run in the Ruby shell too, but subsequent runs are fine. That explains why rake.bat is a problem 100% of the time.

I’m using rake 0.8.7, but the same thing happens with 0.9.2. Ruby version is 1.9.2p290. albacore version is 0.2.7. Windows 7 x64 (same thing happens on Windows Server 2008 R2 Standard)

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1 Answer

  1. Editorial Team

    OK, I solved it.
    Should’ve realised it earlier, but it’s mind-boggingly weird.

    fails the first time: CLEAN.exclude("**/core", "**/bak", "**/~") # a comment here

    this always works: CLEAN.exclude("**/core", "**/bak", "**/~")

    I guess I’m henceforth removing all comments that are not on a single line in my rakefiles…

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