So here are the winners on platform/XE master: xwiki-platform-core/xwiki-platform-administration/xwiki-platform-administration-test/xwiki-platform-administration-test-tests/target/smartgwt/com/smartclient/theme/enterpriseblue/public/sc/skins/EnterpriseBlue/images/Progressbar/progressbar_Disabled_v_empty_stretch.gif (270)
xwiki-enterprise-installers/xwiki-enterprise-installer-generic/target/container/xwiki-enterprise-jetty-hsqldb-5.1-SNAPSHOT/data/extension/repository/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui/5.1-SNAPSHOT/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui-5.1-SNAPSHOT.xed (296) which gives after refactoring core/administration/test/tests/target/smartgwt/com/smartclient/theme/enterpriseblue/public/sc/skins/EnterpriseBlue/images/Progressbar/progressbar_Disabled_v_empty_stretch.gif (174) installers/generic/target/container/xwiki-enterprise-jetty-hsqldb-5.1-SNAPSHOT/data/extension/repository/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui/5.1-SNAPSHOT/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui-5.1-SNAPSHOT.xed (252) On Tue, May 21, 2013 at 11:54 AM, Vincent Massol <[email protected]> wrote: > FTR Thomas and I have discussed this a bit and one thing Thomas has started > checking is the longest path we currently have. > > One that we have found is: > > /Users/vmassol/dev/xwiki/git/xwiki-platform/xwiki-platform-core/xwiki-platform-ircbot/xwiki-platform-ircbot-test/xwiki-platform-ircbot-test-tests/target/xwiki-enterprise-jetty-hsqldb-5.0.2-SNAPSHOT/data/extension/repository/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui/5.0.2-SNAPSHOT/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui-5.0.2-SNAPSHOT.xar > Note that this kind of path does not exist, looks like you extracted a XE in your platform project for test purpose. The actual test data is extracted in /Users/vmassol/dev/xwiki/git/xwiki-platform/xwiki-platform-core/xwiki-platform-ircbot/xwiki-platform-ircbot-test/wiki and /data/extension/repository is empty. > That's 375 characters > > With the new rule that would be: > > /Users/vmassol/dev/xwiki/git/xwiki-platform/core/ircbot/test/test-tests/target/xwiki-enterprise-jetty-hsqldb-5.0.2-SNAPSHOT/data/extension/repository/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui/5.0.2-SNAPSHOT/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui-5.0.2-SNAPSHOT.xar > > That's still 301 characters. > > Thomas has done an extensive search and he'll be able to give more details on > other long paths. > > Also note that we have an issue at runtime with too long paths: > > [2/11/13 1:22:10 PM] Ionut Maxim: ! > C:\Users\max\Downloads\xwiki-enterprise-jetty-hsqldb-4.5-rc-1.zip: The > archive is corrupt > ! C:\Users\max\Downloads\xwiki-enterprise-jetty-hsqldb-4.5-rc-1.zip: The > archive is corrupt > … > ! C:\Users\max\Downloads\xwiki-enterprise-jetty-hsqldb-4.5-rc-1.zip: Cannot > create > xwiki-enterprise-jetty-hsqldb-4.5-rc-1\data\extension\repository\org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui\4.5-rc-1\org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui-4.5-rc-1.xed > Total path and file name length must not exceed 260 characters > > What we could do to solve both problems would be to reduce the path length > used by the EM to store metadata. For example: > > /Users/vmassol/dev/xwiki/git/xwiki-platform/core/ircbot/test/test-tests/target/xwiki-enterprise-jetty-hsqldb-5.0.2-SNAPSHOT/data/extension/repository/org.xwiki.platform%3Axwiki-platform-rendering-wikimacro-ui/5.0.2-SNAPSHOT/artifact.xar > > which gives 236 chars. Still pretty close so another solution would be to use > some random directory names (since the names are not used by the EM): > > /Users/vmassol/dev/xwiki/git/xwiki-platform/core/ircbot/test/test-tests/target/xwiki-enterprise-jetty-hsqldb-5.0.2-SNAPSHOT/data/extension/repository/dfdsf4fszz3lmbf567/artifact.xar > > which would be around 200 chars. > > Now what would be interesting would be to give indications to xwiki builders > and xwiki users as to what is the max path prefix they're allowed to use for > xwiki to build/work. In my example below I'm using > "/Users/vmassol/dev/xwiki/git" chars (i.e. 28 chars). > > Thanks > -Vincent > > On May 16, 2013, at 7:02 PM, Sergiu Dumitriu <[email protected]> wrote: > >> On 05/16/2013 12:16 PM, Vincent Massol wrote: >>> >>> On May 16, 2013, at 6:09 PM, Vincent Massol <[email protected]> wrote: >>> >>>> >>>> On May 16, 2013, at 5:29 PM, Sergiu Dumitriu <[email protected]> wrote: >>>> >>>>> On 05/16/2013 10:54 AM, Vincent Massol wrote: >>>>>> >>>>>> On May 16, 2013, at 4:47 PM, Thomas Mortagne <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> On Thu, May 16, 2013 at 4:25 PM, Vincent Massol <[email protected]> >>>>>>> wrote: >>>>>>>> I'm rather -0 ATM and very close to -1 because: >>>>>>>> >>>>>>>> 1) I haven't heard from a windows dev for a long time, I don't think >>>>>>>> that happens that often >>>>>>> >>>>>>> And it's surely not going to improve... >>>>>>> >>>>>>>> >>>>>>>> 2) It's a *huge* change and it should definitely not be done lightly. >>>>>>>> We would need to plan a period like 2 full days, all devs would need >>>>>>>> to stop working on what they do and help out. For example all pages on >>>>>>>> xwiki.org having some github links are going to be broken and will >>>>>>>> need to be updated (that's probably around hunded of pages overall) >>>>>>>> >>>>>>> >>>>>>> Yes it's a huge change, that's why it's a vote. >>>>>>> >>>>>>>> 3) Windows devs have a simple solution which is to use cygwin so it's >>>>>>>> not a blocker >>>>>>> >>>>>>> It's not as trivial as you seems to think and it also mean that you >>>>>>> simply can't use the standard git tools in the Windows world like the >>>>>>> Github application or Tortoisegit without speaking or any EDI git >>>>>>> integration... so not it really can't be seen as some obvious >>>>>>> solution. And it's not like using Cygwin was some king of standard for >>>>>>> Windows dev. "use cyggwin" is easy to say but the reality is that a >>>>>>> dev will try to clone XWiki repository with the git tool he is used to >>>>>>> and will simply can't, period. >>>>>> >>>>>> What I'm saying is that I don't think it's worth the effort. By worth I >>>>>> mean the ratio between the effort and problems it'll require from us vs >>>>>> the # of windows dev not using cygwin that'll want to develop for the >>>>>> xwiki project… >>>>> >>>>> But this is why we have a democracy and not a dictatorship. If the >>>>> community considers it is worth the effort, and at least some devs are >>>>> willing to work on this, then I think it's their right to do this. >>>> >>>> 1) You should re-read the governance. It's a meritocracy, i.e we vote >>>> important changes and devs need to be ok. So if one or a few devs want to >>>> do this but some other don't for some valid reason then it's not going to >>>> happen until we reach a decision. >>>> >>>> 2) It's all the devs that will bear the cost of maintaining the new >>>> environment, no just the dev who's willing to do the initial work. >>>> >>>> BTW none of us work on a windows environment and I think it's a bad idea >>>> to implement support for something that we never use. It can only lead to >>>> something that gets broken frequently. To overcome this we'd need some >>>> windows agent and this means supporting that agent and making sure it >>>> works all the time (we tried in the past and failed for a very simple >>>> reason: none of the devs use windows and thus we don't care). >>>> >>>>> It's not a good move to veto the will of the community. >>>> >>>> Again (in case you didn't understand) I'm ok on the principle of doing >>>> this move but doing cowboy-coding without thinking about the consequences >>>> and letting other fix your stuff by only doing half of the work isn't my >>>> preferred style… >>>> >>>> We've had enough bad examples of the dev environment being broken for >>>> week(s not so long ago that it's normal to want to be careful... >>>> >>>>> Anyway, there are other reasons to make the change, not just Windows >>>>> compatibility. It saves about 2 seconds each time a dev wants to go to a >>>>> directory from the command line. Going into one subdirectory means >>>>> having to press "x tab <right prefix of the submodule> tab". The first >>>>> two keys are superfluous since they're the same all the time. The deeper >>>>> the hierarchy, the longer the time it takes to go there. It adds up to >>>>> more than an hour wasted per year per dev, and I don't think it will >>>>> really take a whole month of every dev to do the migration. If everybody >>>>> contributes and we do a systematic effort, it could be done in an hour >>>>> with the right planning. >>>> >>>> So to reiterate and to be constructive, before we start any actual work on >>>> this I'd like that we do more evaluation. This means: >>>> * see a list of windows coders who have expressed a need (apart from >>>> Florin who I know already) and who have a real will to participate after >>>> the move. Do we have at least one? >> >> This is not just about Windows. The committers that vote +1 vote for >> their own environment, not just to fix a problem for hypothetical >> contributors. >> >> And it's not about improving something for existing contributors, but >> removing a blocker standing in the way of future contributors. The >> easier it is for a new potential community member to join, the more of >> these tentative users will actually stick around. And XWiki isn't >> overwhelmed by the number of contributors to afford to voluntarily keep >> out those not motivated enough to actually try to find out why the >> checkout fails and what needs to be done to actually have a working >> environment and go through all the painful process of installing cygwin >> and the the command line tools that work with cygwin. >> >>>> * that we list what needs to be done precisely. I've identified some so >>>> far: >>>> ** the git path changes >>>> ** modify all the xwiki.org pages linking to code >>>> ** git history, will we loose ability to see history of files? >> >> Not really. In some cases we might have to add --find-copies-harder to >> some commands, but it should work out of the box for most files. >> >> Viewing the commits that affect a file on GitHub might not list pre-move >> commits, but the history will s >> >>>> ** others? >> >> * The move will break uncommitted local changes, so all devs should try >> to commit their local changes, at least in a separate local branch if >> not on github. But devs shouldn't keep uncommitted changes anyway, right? >> >> * Depending on how they're configured, our IDEs might freak out when >> pulling for the first time, since everything will be moved around. >> >> * Existing pull request should still work, but Jira patches will break; >> they're probably broken already anyway, since we didn't really allow new >> patches to be put there for a while, and most of the paths have changed >> since 1-2 years ago. >> >> * Does anything on Jenkins depend on paths? I hope not, configurations >> use module names, and they will continue to point to the right POM. >> >> * I guess this still counts as xwiki.org changes, but we should make >> sure the pages that work with remote files, like the syntax >> documentation and syntax completion report, will also need to be updated. >> >> * Existing links in emails (and other places with answers like >> stackoverlow) will be broken, but that already happens whenever we move >> a module, for example to make room for api+ui+test submodules, and this >> happened a lot recently, so it's not a new problem. >> >> * Most annoying: forgetting our own reflex of typing x+tab when changing >> the path :-) >> >>> ** what happens to the JIRA links to commits in the Commits tab? Will they >>> still work? >> >> Yes, the existing commits will not change. >> >>> Thanks >>> -Vincent >>> >>>> * to list who is ok to participate actively in the move >>>> * that we agree on a date so that it doesn't impact our planned roadmap >>>> >>>> Thanks >>>> -Vincent >>>> >>>>>> We're going to loose at least a month before we've finished that >>>>>> migration completely and I'm really worried about the toll it'll have on >>>>>> our releases... >>>>>> >>>>>> Thanks >>>>>> -Vincent >>>>>> >>>>>> PS: With the same group effort we could release a first version of the >>>>>> new model for example ;) >>>>>> > > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs -- Thomas Mortagne _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs

