Unite dvcs sven

Friday, April 20, 12

Atlassians move from centralized to distributed

Sven Peters, Ambassador, Atlassian

Making the Switch to DVCS

2

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DVCS @ Unite

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DVCS @ Unite

Issue Tracker

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DVCS @ Unite

Content Collaboration

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build it

writecode

check in

get Task

Friday, April 20, 12

build it

writecode

check in

get Task

Friday, April 20, 12

build it

writecode

check in

get Task

Friday, April 20, 12

build it

writecode

check in

get Task

Friday, April 20, 12

build it

writecode

check in

get Task?

Friday, April 20, 12

What is version control?

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What is version control?

Collaboration History Copies /Branches

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The Past

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Subversionserver

Centralized Version Control

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Centralized Version Control

Subversion

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Have you ever tried to merge a branch back into the

trunk with SVN? Need I say more.”“

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Merge Time

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The Present (and future)

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Distributed Version Control

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Distributed Version Control

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Distributed Version Control

Git or Mercurial

Git or Mercurial

Git or Mercurial

Git or MercurialGit or Mercurial

Git or Mercurial

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Distributed Version Control

Git or Mercurial

Git or Mercurial

Git or Mercurial

Git or MercurialGit or Mercurial

Git or Mercurial

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”“Distributed Version Control is flexible and can fit any

workflow - you can even treat it like Subversion.

Steve StreetingInventor of SourceTree

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New idea?

1997co-op

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New idea?

2001arch

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New idea?

2003monotone

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New idea?

2003svk

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New idea?

2003darcs

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New idea?

2005bazaar

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New idea?

2005mercurial

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New idea?

2005git

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New idea?

2007iPhone

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Notice a Trend

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Notice a Trend

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Notice a Trend

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DVCS @ Atlassian

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Why?

Development Workflow

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Friday, April 20, 12

More Why’s?

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More Why’s?

Code without Limitations

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Dev Speed

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View File History

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View Authors/Blame

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Creating Branches

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Speed is power

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Speed is power

hg blame

git show

hg revert

git status

git log

hg clone

hg move

git rm

git mv

hg pull -updateFriday, April 20, 12

Speed is power

hg blame

git show

hg revert

git status

git log

hg clone

hg move

git rm

git mv

hg pull -updateFriday, April 20, 12

Commit Often

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No Servers

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Dev Speed

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Dev Speed

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Code without Limitations

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No Servers

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Branching & Merging

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Branching & Merging

$ svn merge

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Don‘t be afraid

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• DVCS Knowledge• Follow the Recipe• CI is your friend

Protips

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DVCS Knowledge

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Make use of Guru

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DVCS Client

Git and Mercurial Mac Client

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FishEye - VCS to DVCS

• See commits in SVN & DVCS• Browse source in any VCS

Subversion, Git, Hg, CVS, P4

Browse and Search source across any VCS

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Follow the Recipe

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Bring your History

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Tool Integration

{ }Friday, April 20, 12

Replicate Team Process

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Incremental Steps

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Continuous Integrationis your friend

• Vital part of dev cycle• Run same builds against old

and new VCS• Continuous Validation

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Make the Switch• DVCS has great business and technical benefits• Atlassian is shaping the future of DVCS

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Learn More & Have a Play

http://blogs.atlassian.com/tag/switch_dvcs/

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Thank You@svenpetsvenpet.com

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