INSTALL Preview Version

###GemStone GsUpgrader works on all versions of GemStone against all Versions of GLASS:

Gofer new
  package: 'GsUpgrader-Core';
  url: 'http://ss3.gemtalksystems.com/ss/gsUpgrader';
  load.
(Smalltalk at: #GsUpgrader) upgradeMetacello.

###Pharo3.0 Metacello Preview is pre-installed in Pharo3.0 the following installs the latest released version:

Metacello new
  baseline: 'Metacello';
  repository: 'github://dalehenrich/metacello-work:master/repository';
  get.
Metacello new
  baseline: 'Metacello';
  repository: 'github://dalehenrich/metacello-work:master/repository';
  onConflict: [:ex | ex allow];
  load

###Pharo (older than Pharo3.0)

"Get the Metacello configuration"
Gofer new
  gemsource: 'metacello';
  package: 'ConfigurationOfMetacello';
  load.
"Bootstrap Metacello Preview, using mcz files (#'previewBootstrap' symbolic version"
((Smalltalk at: #ConfigurationOfMetacello) project 
  version: #'previewBootstrap') load.

"Load the Preview version of Metacello from GitHub"
(Smalltalk at: #Metacello) new
  configuration: 'MetacelloPreview';
  version: #stable;
  repository: 'github://dalehenrich/metacello-work:configuration';
  load.
"Now load latest version of Metacello"
Metacello new
  baseline: 'Metacello';
  repository: 'github://dalehenrich/metacello-work:master/repository';
  get.
Metacello new
  baseline: 'Metacello';
  repository: 'github://dalehenrich/metacello-work:master/repository';
  onConflict: [:ex | ex allow];
  load

###Squeak

"Get the Metacello configuration (for Squeak users)"
Installer gemsource
    project: 'metacello';
    addPackage: 'ConfigurationOfMetacello';
    install.

"Bootstrap Metacello Preview, using mcz files (#'previewBootstrap' symbolic version"
((Smalltalk at: #ConfigurationOfMetacello) project 
  version: #'previewBootstrap') load.

"Load the Preview version of Metacello from GitHub"
(Smalltalk at: #Metacello) new
  configuration: 'MetacelloPreview';
  version: #stable;
  repository: 'github://dalehenrich/metacello-work:configuration';
  load.
"Now load latest version of Metacello"
Metacello new
  baseline: 'Metacello';
  repository: 'github://dalehenrich/metacello-work:master/repository';
  get.
Metacello new
  baseline: 'Metacello';
  repository: 'github://dalehenrich/metacello-work:master/repository';
  onConflict: [:ex | ex allow];
  load

See the .travis.yml file for list of supported platforms and versions.

If you are interested in using GitHub with the Metacello Preview, you should check out Getting Started with GitHub, the Metacello User Guide, the Metacello Scripting API, and Issue #136 detail.

###TravisCI Status master branch:

configuration branch: