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Here is the most interesting ouput I got:<br>
<br>
<pre><a class="moz-txt-link-abbreviated" href="mailto:mistria@mistria--rh:~/git/p2diff/org.eclipse.equinox.p2.example.p2diff.packaging/target/products/org.eclipse.equinox.p2.example.p2diff.product/linux/gtk/x86_64$">mistria@mistria--rh:~/git/p2diff/org.eclipse.equinox.p2.example.p2diff.packaging/target/products/org.eclipse.equinox.p2.example.p2diff.product/linux/gtk/x86_64$</a> ./p2diff -mode=ignoreVersions <a class="moz-txt-link-freetext" href="http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO">http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO</a> <a class="moz-txt-link-freetext" href="file:/home/mistria/git/jbosstools-target-platforms/jbosstools/multiple/target/jbosstools-multiple.target.repo/">file:/home/mistria/git/jbosstools-target-platforms/jbosstools/multiple/target/jbosstools-multiple.target.repo/</a>
< org.eclipse.update.core [3.2.600.v20130514-1341]
=== Summary ===
<a class="moz-txt-link-freetext" href="http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO">http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO</a> contains 1 unique IUs
<a class="moz-txt-link-freetext" href="file:/home/mistria/git/jbosstools-target-platforms/jbosstools/multiple/target/jbosstools-multiple.target.repo/">file:/home/mistria/git/jbosstools-target-platforms/jbosstools/multiple/target/jbosstools-multiple.target.repo/</a> contains 0 unique IUs</pre>
It's interesting, but in this specific case, it doesn't provide much
value.<br>
Here is what we would have noticed if we have used it earlier:<br>
<pre><a class="moz-txt-link-abbreviated" href="mailto:mistria@mistria--rh:~/git/p2diff/org.eclipse.equinox.p2.example.p2diff.packaging/target/products/org.eclipse.equinox.p2.example.p2diff.product/linux/gtk/x86_64$">mistria@mistria--rh:~/git/p2diff/org.eclipse.equinox.p2.example.p2diff.packaging/target/products/org.eclipse.equinox.p2.example.p2diff.product/linux/gtk/x86_64$</a> ./p2diff -mode=ignoreVersions <a class="moz-txt-link-freetext" href="http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha5/REPO">http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha5/REPO</a> <a class="moz-txt-link-freetext" href="http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO">http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO</a>
< org.eclipse.ecf.provider.filetransfer.httpclient [4.0.300.v20130309-0714]
< org.eclipse.persistence.jpa.jpql.source [2.5.0.v20130425-368d603]
< org.eclipse.ecf.provider.filetransfer.httpclient.ssl [1.0.0.v20130309-0714]
> uk.co.spudsoft.birt.emitters.excel [4.2.2.v201305231539]
> org.apache.poi [3.9.0.v201303080712]
=== Summary ===
<a class="moz-txt-link-freetext" href="http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha5/REPO">http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha5/REPO</a> contains 3 unique IUs
<a class="moz-txt-link-freetext" href="http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO">http://download.jboss.org/jbosstools/targetplatforms/jbosstoolstarget/4.30.5.Alpha6-SNAPSHOT/REPO</a> contains 2 unique IUs</pre>
Which is more interesting (notice the httpclient removal). So it
looks like this p2 diff tool can definitly help to anticipate some
bugs as it allows to spot changes in transitive dependencies.<br>
<br>
Cheers,<br>
<div class="moz-signature">-- <br>
Mickael Istria<br>
Eclipse developer at <a href="http://www.jboss.org/tools">JBoss,
by Red Hat</a><br>
<a href="http://mickaelistria.wordpress.com">My blog</a> - <a
href="http://twitter.com/mickaelistria">My Tweets</a></div>
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