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What is head revision and specific version in SVN?

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Can anyone give me what is useful and when we actually use?

posted Aug 30, 2018 by anonymous

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SVN: Unexpected behaviour when checking out a copy at an invalid revision

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Is this the intended behaviour? If so, shouldn't there be some message that your working copy is using a different location than requested?

 > svn copy trunk mybranch -m 'copy test'
Committed revision 2

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Relative URL: ^trunk

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I recently upgraded my Subversion client from version 1.7.5 to 1.8.3 and from that time on I experience hangs when executing multiple 'svn log' commands in a short amount of time. The "hanging" svn process consumes all CPU cycles it gets but never finishes.

I can reproduce the problem using the following shell script (on Windows using Cygwin):

#!/bin/bash
ROOT="http://example.com/svn/trunk"
for DIR in $(svn ls "${ROOT}" | head -n 4); do
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