Apache Ant Comunity Learnings

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Apache Ant Community Learnings FOSS Backstage Micro-Summit, Berlin 2017-11-20 Stefan Bodewig [email protected]

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About Me Open Source Developer since 1994 Ant Committer since June 2000 Release Manager of Ant 1.1 (July 2000) and 1.10.1 (Feb 2017) Apache Member since October 2000 Senior Consultant at innoQ 1

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Apache Ant Apache Ant™, Ant, Apache, and the Apache Ant project logos are trademarks of The Apache Software Foundation. 2

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Commits 2000 2002 2004 2006 2008 2010 2012 2014 2016 0 250 500 Chart by Black Duck Software, Inc / / CC-BY https://www.openhub.net/p/ant 3

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Contributors 2000 2005 2010 2015 0 5 10 15 Original Chart by Black Duck Software, Inc / / CC-BY https://www.openhub.net/p/ant 4

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Releases 2000 2002 2004 2006 2008 2010 2012 2014 2016 0 250 500 1.1 1.2 1.3 1.4 1.5.0 1.6.0 1.7.0 1.8.0 1.9.0 1.10.0 Original Chart by Black Duck Software, Inc / / CC-BY https://www.openhub.net/p/ant 5

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In the Beginning 2000 2002 2004 2006 2008 2010 2012 2014 2016 1.2 Original Chart by Black Duck Software, Inc / / CC-BY https://www.openhub.net/p/ant 6

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How to build a community? no idea, honestly the right idea at the right time 7

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Small Units of Autonomous Work 8

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User Mailing Lists 0 500 1000 1500 2000 2500 3000 2000 2002 2004 2006 2008 2010 2012 2014 2016 user dev 9

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Non-Coding Contributors 10

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Advice a place for non-devs is essential you don't need to answer everything yourself but show presence 11

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User Mailing Lists 0 500 1000 1500 2000 2500 3000 2000 2002 2004 2006 2008 2010 2012 2014 2016 user dev 12

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But hard to replicate in today's Stack Overﬂow world I'd love to understand what can take it's place 13

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Ant 2 2000 2002 2004 2006 2008 2010 2012 2014 2016 1.2 1.3 1.4 1.5.0 Original Chart by Black Duck Software, Inc / / CC-BY https://www.openhub.net/p/ant 14

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Backwards Compatibility Every new release of Ant breaks my build — often stated around Ant 1.2 15

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Discussion ... aim is that we are going to break them no more than once more. I.e. we should try to get a clear vision of what we want to achieve with Ant 2.0, document it and then stick to it, at least for the near future. — https://lists.apache.org/thread.html/678451aa08b8911fa5 16

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Rules for Revolutionaries In short: 1. everybody can propose a "revolution" in a subdir 2. when ready propose merge 3. when accepted replace original https://marc.info/?l=jakarta- general&m=86951909307230&w=2 17

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Problems Faced too many revolutionaries what if the revolution is not accepted? mere announcement of revolution stalls evolution 18

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Design By Committee takes ages even more so when you strive for consensus still doesn't guarantee to make everybody happy 19

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Result lot's of feelings hurt fork of the community - twice "Ant2" is burnt forever 20

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Advice avoid multiple simultaneous revolutions be aware that proposed revolutions may fork the community don't try to force a revolution 21

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Drive-by Contributions 2000 2002 2004 2006 2008 2010 2012 2014 2016 0 250 500 1.6.0 Original Chart by Black Duck Software, Inc / / CC-BY https://www.openhub.net/p/ant 22

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Advice embrace Drive-by Contributions but you don't have to accept everything celebrate every contribution in public accept some contributors are only interested in small parts don't let code ownership get into the way 23

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Integrating new Communities 24

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Advice don't put a barrier between old and new community collective code ownership 25

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Aging Project Original Charts by Black Duck Software, Inc / / CC-BY https://www.openhub.net/p/ant 26

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Running Out Of Itches 27

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Dangers no easy tasks left to do "we've already discussed that" "backwards incompatible" 28

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Advice try to not ﬁx easy bugs (immediately) set time aside for mentoring better start doing so before it's too late 29

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Thank You 30

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Contact Stefan Bodewig [email protected] Stefan Bodewig @ innoQ [email protected] 31