Making the switch to DVCS

Atlassians move from centralized to distributed

Sven Peters, Ambassador, Atlassian

Making the Switch to DVCS

2

DVCS @ Unite

DVCS @ Unite

Issue Tracker

DVCS @ Unite

Content Collaboration

build it

writecode

check in

get Task?

What is version control?

What is version control?

Collaboration History Copies /Branches

The Past

Subversionserver

Centralized Version Control

Centralized Version Control

Subversion

Have you ever tried to merge a branch back into the

trunk with SVN? Need I say more.”“

Merge Time

The Present (and future)

Distributed Version Control

Distributed Version Control

Git or Mercurial

Git or Mercurial

Git or Mercurial

Git or MercurialGit or Mercurial

Git or Mercurial

”“Distributed Version Control is flexible and can fit any

workflow - you can even treat it like Subversion.

Steve StreetingInventor of SourceTree

New idea?

1997co-op

New idea?

2001arch

New idea?

2003monotone

New idea?

2003svk

New idea?

2003darcs

New idea?

2005bazaar

New idea?

2005mercurial

New idea?

2005git

New idea?

2007iPhone

Notice a Trend

Notice a Trend

DVCS @ Atlassian

Why?

Development Workflow

More Why’s?

Dev SpeedCode without Limitations

Dev Speed

View File History

View Authors/Blame

Creating Branches

Speed is power

hg blame

git show

hg revert

git status

git log

hg clone

hg move

git rm

git mv

hg pull -update

Speed is power

hg blame

git show

hg revert

git status

git log

hg clone

hg move

git rm

git mv

hg pull -update

Commit Often

No Servers

Dev Speed

Code without Limitations

No Servers

Branching & Merging

$ svn merge

Don‘t be afraid

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

Protips

DVCS Knowledge

Make use of Guru

DVCS Client

Git and Mercurial Mac Client

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

Follow the Recipe

Bring your History

Tool Integration

{ }

Replicate Team Process

Incremental Steps

Continuous Integrationis your friend

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

and new VCS• Continuous Validation

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

Learn More & Have a Play

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

http://answers.atlassian.com

Thank [email protected]