<div dir="ltr">Hi everyone,<div><br></div><div>Thank you for the feedback. We will transition to SemVer for parent POMs as new versions are released.</div><div><br></div><div>Today I have released pom-fiji version 6.0.0 to commemorate the occasion (and because a release was needed anyway in preparation for the impending Big Upload). It does not have any breaking changes per se, but I thought it best to start the SemVersioning at a new major digit. Also, I wanted to distance it from its pom-imagej parent a bit, which is still at 5.1 for now. (And given this scheme, it will not be possible for pom-imagej to ever "catch up" to pom-fiji—whenever pom-imagej has a major version bump, the downstream pom-fiji will, too.)</div><div><br></div><div>Regards,</div><div>Curtis</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 18, 2014 at 12:49 PM, Ignacio Arganda-Carreras <span dir="ltr"><<a href="mailto:iargandacarreras@gmail.com" target="_blank">iargandacarreras@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Me too. +1 SemVer</div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, Nov 18, 2014 at 9:08 AM, Stephan Preibisch <span dir="ltr"><<a href="mailto:preibisch@mpi-cbg.de" target="_blank">preibisch@mpi-cbg.de</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div style="word-wrap:break-word">I also vote for SemVer, we got used to it :)<div><div><div><br></div><div><div><blockquote type="cite"><div>On Nov 17, 2014, at 15:31 , Tobias Pietzsch <<a href="mailto:tobias.pietzsch@gmail.com" target="_blank">tobias.pietzsch@gmail.com</a>> wrote:</div><br><div><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Hi Curtis,</span><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br></div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">I would prefer SemVer, but mainly because this seems closer to the way its currently done and I’m getting used to that way. So really no strong opinion at all.</div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br></div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">What would be nice would be some kind of notification when new pom parents are released. When revisiting some projects I haven’t been working on for a while, I often find myself checking<span> </span><a href="http://maven.imagej.net/" target="_blank">maven.imagej.net</a><span> </span>to find out, eg, what the latest pom-fiji version is, so that I can use the latest and greatest as a parent. Is there already some mailing-list or similar in place that sends such release notifications?</div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br></div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">best regards,</div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">Tobias</div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br><div><div><div>On 17 Nov 2014, at 20:39, Curtis Rueden <<a href="mailto:ctrueden@wisc.edu" target="_blank">ctrueden@wisc.edu</a>> wrote:</div><br><blockquote type="cite"><div dir="ltr">Hi everyone,<div><br></div><div>This is a question for anyone consuming the pom-* parents of the SciJava software stack.</div><div><br></div><div>We want to start versioning these POM parents according to consistent rules. (Unfortunately, right now, the approach is vague and potentially inconsistent [1].) We came up with the following two possible schemes, and would like your feedback on which one you would prefer.</div><div><br></div><div>== 1) SemVer ==</div><div><br></div><div>Every POM parent has three digits, X.Y.Z.</div><div><br></div><div>The X digit is "major" and when incremented indicates a breaking change of some sort: either A) plugin config changes requiring downstream changes, or more commonly B) major SemVer dependency version bumps (e.g., managed scijava-common version updated from 2.35.0 to 3.0.0). This would exclude 0.x and beta components though (so e.g. imglib2-realtransform could go from 2.0.0-beta-27 to 2.0.0-beta-28 without bumping pom-imglib2's X digit).</div><div><br></div><div>The Y digit is "minor" and incremented when dependency versions change in a SemVer-compatible manner, or when plugin configuration is added or improved.<br></div><div><br></div><div>For critical bug-fixes where a given POM parent is somehow compromised or broken, the third digit Z can be bumped before going to the next Y. (See e.g. the recent pom-fiji 5.0.Z series of releases.)</div><div><br></div><div>== 2) Bread crumb version trail ==</div><div><br></div><div>The pom-scijava parent would have a single version digit. The pom-imagej (which is the next POM down) would have two: the first in lockstep with its pom-scijava parent, and the second being its dedicated version digit. POMs which extend pom-imagej (i.e.: pom-scifio, pom-imglib2 and pom-fiji) would have three digits: the first two in lockstep with pom-imagej and the third their own. And so on down the line—e.g., pom-trakem2 would need four digits: the first three matching the pom-fiji parent and the fourth its own.</div><div><br></div><div>== Pros and cons ==</div><div><br></div><div>Option 1:</div><div>[PRO] Semantic meaning. You can reason whether a given POM is somehow "breaking".</div><div>[PRO] Succinctness. Every parent POM has at most three digits at any one time.</div><div>[CON] Lack of provenance. Not obvious which parent POMs go together without leaning on a tool.</div><div><br></div><div>Option 2:</div><div>[PRO] Clear provenance. You can trivially derive the chain of parent POM versions.</div><div>[CON] Lack of semantics. Harder to tell which POM parent releases might break backwards compatibility.</div><div>[CON] Aesthetics. More than 3 digits in a version string may not be desirable.</div><div><br></div><div>Note that either way, we are in the process of creating a scijava-maven-plugin goal to dump all the component version properties associated with a given parent POM.</div><div><br></div><div>Since either scheme is consistent and useful, we want to institute whichever scheme will annoy everyone less. ;-) So which do people like better: SemVer or breadcrumbs?</div><div><br></div><div>Thanks,</div><div>Curtis<br></div><div><br></div><div>[1] The 5.x POM versioning approach was an attempt to achieve _both_ options above, but Mark & I realized today that the two goals are rather mutually exclusive. That is, we cannot keep POM parent versions fully in lockstep while also maintaining a SemVer versioning scheme.</div></div><div><br></div>--<span> </span><br>You received this message because you are subscribed to the Google Groups "scijava" group.<br>To unsubscribe from this group and stop receiving emails from it, send an email to<span> </span><a href="mailto:scijava+unsubscribe@googlegroups.com" target="_blank">scijava+unsubscribe@googlegroups.com</a>.<br>For more options, visit<span> </span><a href="https://groups.google.com/d/optout" target="_blank">https://groups.google.com/d/optout</a>.<br></blockquote></div><br></div></div><div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br></div><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">--<span> </span></span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">You received this message because you are subscribed to the Google Groups "scijava" group.</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">To unsubscribe from this group and stop receiving emails from it, send an email to<span> </span></span><a href="mailto:scijava+unsubscribe@googlegroups.com" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank">scijava+unsubscribe@googlegroups.com</a><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">.</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">For more options, visit<span> </span></span><a href="https://groups.google.com/d/optout" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank">https://groups.google.com/d/optout</a><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">.</span></div></blockquote></div><br></div></div></div></div></div></div><div><div>
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