Reviewing svn up changes

Sometimes you need to review what exactly doing an svn up
will do. Fortunately, you can do a couple of things to find out. The
first is use svn status -u to find out what files have

/etc/puppet/modules# svn stat -u
       *     1338   exim4_mailserver/files/
       *     1338   dbplc/files/
       *     1338   dbplc/files
       *     1338   dbplc/manifests/portal.pp
M            1386   tomcat/files/server.xml
Status against revision:   1386

Here we can see that four files were changed since their current
revision of 1338. We can also see that tomcat/files/server.xml is up to
date against the repository, but has local modifications.

This is all well and good, but how do we know what the changes are?
Well, svn diff is our friend here. By comparing the checkout
against the repository, we can see what will be updated.

/etc/puppet/modules# svn diff dbplc/manifests/portal.pp -rBASE:HEAD
Index: dbplc/manifests/portal.pp
--- dbplc/manifests/portal.pp (working copy)
+++ dbplc/manifests/portal.pp (revision 1386)
@@ -22,6 +22,7 @@
       owner => "tomcat55",
       group => "adm",
       mode => 644,
+      require => Package["tomcat5.5"],

    apache::config { "portal":

When you’re happy, you can run svn up as normal. I’ve just
used this process to sanity check our Puppet config before updating, as
it hasn’t been updated for a few days.

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