Talk presented in Smalltalks 2011, Buenos Aires, Argentina.

1. Building your own Pharo
images with Metacello
Mariano Martinez Peck
marianopeck@gmail.com
http://marianopeck.wordpress.com/
RMod
1
Sunday, April 22, 2012 1

2. Motivations 1
To help Pharo community:
I use/test new tools.
I use (fight) latest versions.
I find/report/fix/test bugs.
2
Sunday, April 22, 2012 2

3. Motivations 1
Bleeding-edge
ninja fighter
To help Pharo community:
I use/test new tools.
I use (fight) latest versions.
I find/report/fix/test bugs.
2
Sunday, April 22, 2012 2

4. Motivations 1
Bleeding-edge
ninja fighter
To help Pharo community:
I use/test new tools.
I use (fight) latest versions.
I find/report/fix/test bugs.
I am downloading hundred of images
every day. An image can last me a
maximum of a couple of days.
2
Sunday, April 22, 2012 2

5. Motivations 2
I have my own (different) preferences/
settings than the default ones.
I use specific tools that are not present by
default.
I am, most of the times, working in several
projects at the same time.
3
Sunday, April 22, 2012 3

6. Motivations 2
I have my own (different) preferences/
settings than the default ones.
I use specific tools that are not present by
default.
I am, most of the times, working in several
projects at the same time.
I spend a lot of time building my own images
3
Sunday, April 22, 2012 3

7. I am downloading hundred of images every day.
+
I spend a lot of time building my own images.
4
Sunday, April 22, 2012 4

8. I am downloading hundred of images every day.
+
I spend a lot of time building my own images.
= It doesn’t compile
4
Sunday, April 22, 2012 4

9. I am downloading hundred of images every day.
+
I spend a lot of time building my own images.
= It doesn’t compile
+
I am lazy.
+
I don’t like losing time with this.
+
My memory is bad.
4
Sunday, April 22, 2012 4

10. Something is not working.
5
Sunday, April 22, 2012 5

11. The tools are already there.
6
Sunday, April 22, 2012 6

12. What is Metacello
Package management system for Monticello.
Configuration “file” per project.
7
Sunday, April 22, 2012 7

13. A configuration “file” defines project versions.
A version is:
List of Monticello files (mcz) used by the
project.
List of other projects used by the project.
A specification of dependencies between
packages and projects.
Sunday, April 22, 2012 8

14. New Metacello chapter!!!
9
Sunday, April 22, 2012 9

15. My proposal?
Sunday, April 22, 2012 10

16. My proposal?
Throw away Metacello?
Sunday, April 22, 2012 10

17. My proposal?
Throw away Metacello?
No, quite the opposite!
Sunday, April 22, 2012 10

18. Sunday, April 22, 2012 11

19. Bringing Metacello usage to the
next level: building your own
Pharo images
Sunday, April 22, 2012 11

20. Example
Type of software Example Operations
Fuel, DBXTalk, Marea - Build image
I develop or contribute
and CogVM - Just load
Glamoroust,
External tools or addons Keymapping, Install them when
I use TilingWindowManager, building my images
etc
Sunday, April 22, 2012 12

21. Showtime
Sunday, April 22, 2012 13

22. I think that in the future we will all end up having our own
local CI server building and testing our images.
14
Sunday, April 22, 2012 14

23. But I had already got access to the DeLorean...
15
Sunday, April 22, 2012 15

24. Conclusion 1
16
Sunday, April 22, 2012 16

25. Software Conclusion 1
16
Sunday, April 22, 2012 16

26. Software Conclusion 1
Confi
gurat
ionO
fSeas
ide
ConfigurationOfDBXTalk
o ose
tionO fFuel O fM
Co n figura rat ion
nfi gu
Co
16
Sunday, April 22, 2012 16

27. Software Conclusion 1
Individuals
Confi
gurat
ionO
fSeas
ide
ConfigurationOfDBXTalk
o ose
tionO fFuel O fM
Co n figura rat ion
nfi gu
Co
16
Sunday, April 22, 2012 16

28. Software Conclusion 1
Individuals
Confi
gurat
ionO
fSeas
ide
fMar iano
gura tionO ConfigurationOfJuanito
C onfi
ConfigurationOfDBXTalk
ConfigurationOfDavid
o ose
tionO fFuel O fM
Co n figura rat ion
nfi gu
Co
16
Sunday, April 22, 2012 16

29. Software Conclusion 1
Individuals
Companies Confi
gurat
ionO
fSeas
ide
fMar iano
gura tionO ConfigurationOfJuanito
C onfi
ConfigurationOfDBXTalk
ConfigurationOfDavid
o ose
tionO fFuel O fM
Co n figura rat ion
nfi gu
Co
16
Sunday, April 22, 2012 16

30. Software Conclusion 1
Individuals
Companies Confi
gurat
Confi ionO
gurat fSeas
ionO ide
f10P
fMa r iano ines
gura tionO ConfigurationOfJuanito
Con fi
ConfigurationOfDBXTalk
Small works
gurat ionOf
Confi
ConfigurationOfDavid
o ose
tionO fFuel O fM
Con figura ConfigurationOf2Denker rat ion
nfi gu
Co
16
Sunday, April 22, 2012 16

31. Software Conclusion 1
Individuals
Companies Confi
gurat
University Confi ionO
gurat fSeas
ionO ide
f10P
fMa r iano ines
gura tionO ConfigurationOfJuanito
Con fi
ConfigurationOfDBXTalk
Small works
gurat ionOf
Confi
ConfigurationOfDavid
o ose
tionO fFuel O fM
Con figura ConfigurationOf2Denker rat ion
nfi gu
Co
16
Sunday, April 22, 2012 16

32. Software Conclusion 1
Individuals
Companies Confi
gurat
University Confi ionO
gurat fSeas
ionO ide
f10P
fMa r iano ines
gura tionO ConfigurationOfJuanito
Con fi
ConfigurationOfDBXTalk
f Small works Con
figu
r ationO ratio
C onfigu nOf
PdP
Configu ConfigurationOfDavid
rationO
fUBA-A
lgo3
uel o ose
uratio nOfF nO
fM
onfig tio
C ConfigurationOf2Denker
fig ura
16
Con
Sunday, April 22, 2012 16

33. Software Conclusion 1
Individuals
Companies Confi
gurat
University Confi ionO
gurat fSeas
Research groups ionO ide
f10P
fMa r iano ines
gura tionO ConfigurationOfJuanito
Con fi
ConfigurationOfDBXTalk
f Small works Con
figu
r ationO ratio
C onfigu nOf
PdP
Configu ConfigurationOfDavid
rationO
fUBA-A
lgo3
uel o ose
uratio nOfF nO
fM
onfig tio
C ConfigurationOf2Denker
fig ura
16
Con
Sunday, April 22, 2012 16

34. Software Conclusion 1
Individuals ConfigurationOfRMOD
Companies Confi
gurat
University Confi ionO
gurat fSeas
Research groups ionO ide
f10P
fMa r iano ines
gura tionO ConfigurationOfJuanito
Con fi
ConfigurationOfDBXTalk ConfigurationOfUNQ
f Small works Con
figu
r ationO ratio
C onfigu nOf
PdP
Configu ConfigurationOfDavid
rationO
fUBA-A ConfigurationOfEMD se
lgo3
fFue l oo
nO fM
onfig uratio tio nO
C ConfigurationOf2Denker
fig ura
16
C on
Sunday, April 22, 2012 16

35. Conclusion 2
Not only use Metacello to load projects but also to
build your own images
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Sunday, April 22, 2012 17

36. Fork me!
(it is MIT license)
Gofer new
squeaksource: 'MarianoPhD';
package: 'MarianoBuilder';
load.
But change it and adapt it for your OWN needs
18
Sunday, April 22, 2012 18

37. Thanks
Mariano Martinez Peck
marianopeck@gmail.com
http://marianopeck.wordpress.com/
RMod
19
Sunday, April 22, 2012 19