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"{ Package: 'stx:goodies/monticello' }"
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Object subclass:#MCVersionLoader
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instanceVariableNames:'versions'
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classVariableNames:''
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poolDictionaries:''
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category:'Monticello-Loading'
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!
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!MCVersionLoader class methodsFor:'initialization'!
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new
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^self basicNew initialize
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! !
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!MCVersionLoader class methodsFor:'as yet unclassified'!
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loadVersion: aVersion
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self new
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addVersion: aVersion;
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load
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! !
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!MCVersionLoader methodsFor:'checking'!
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checkForModifications
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| modifications |
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modifications := versions select: [:ea | ea package workingCopy modified].
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modifications isEmpty ifFalse: [self warnAboutLosingChangesTo: modifications].
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!
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checkIfDepIsOlder: aDependency
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^ aDependency isOlder not
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or: [self confirm: 'load older dependency ', aDependency versionInfo name , '?']
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!
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confirmMissingDependency: aDependency
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| name |
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name := aDependency versionInfo name.
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(self confirm: 'Can''t find dependency ', name, '. ignore?')
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ifFalse: [self error: 'Can''t find dependency ', name]
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!
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depAgeIsOk: aDependency
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^ aDependency isOlder not
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or: [self confirm: 'load older dependency ', aDependency versionInfo name , '?']
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!
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warnAboutLosingChangesTo: versionCollection
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self notify: (String streamContents: [:s |
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s nextPutAll: 'You are about to load new versions of the following packages that have unsaved changes in the image. If you continue, you will lose these changes.'; cr.
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versionCollection do:
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[:ea |
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s cr; space; space; nextPutAll: ea package name]])
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! !
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!MCVersionLoader methodsFor:'initialization'!
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initialize
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super initialize.
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versions := OrderedCollection new
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! !
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!MCVersionLoader methodsFor:'loading'!
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addDependency: aDependency
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| dep |
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aDependency isCurrent ifTrue: [^ self].
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(self depAgeIsOk: aDependency) ifFalse: [^ self].
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dep := aDependency resolve.
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dep
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ifNil: [self confirmMissingDependency: aDependency]
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ifNotNil: [(versions includes: dep) ifFalse: [self addVersion: dep]]
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!
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addVersion: aVersion
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aVersion dependencies do: [ :ea | self addDependency: ea].
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versions add: aVersion.
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!
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load
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self loadWithNameLike: versions first info name.
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!
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loadWithNameLike: aString
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| loader |
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self checkForModifications.
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loader := versions size > 1
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ifTrue: [MCMultiPackageLoader new]
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ifFalse: [MCPackageLoader new].
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versions do: [:ea |
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ea canOptimizeLoading
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ifTrue: [ea patch applyTo: loader]
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ifFalse: [loader updatePackage: ea package withSnapshot: ea snapshot]].
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"/MCStXPackageQuery answer: versions first package name do: [
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loader loadWithNameLike: aString.
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"/].
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versions do: [:ea | ea workingCopy loaded: ea]
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"Modified: / 09-11-2010 / 17:27:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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! !
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!MCVersionLoader class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/goodies/monticello/MCVersionLoader.st,v 1.2 2011-08-20 11:44:34 cg Exp $'
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!
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version_CVS
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^ '$Header: /cvs/stx/stx/goodies/monticello/MCVersionLoader.st,v 1.2 2011-08-20 11:44:34 cg Exp $'
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!
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version_SVN
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^ '§Id: MCVersionLoader.st 25 2010-11-09 18:50:31Z vranyj1 §'
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! !
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