diff --git a/Iceberg-Metacello-Integration/IceGithubRepositoryType.class.st b/Iceberg-Metacello-Integration/IceGithubRepositoryType.class.st
index 00b3bf513c..846c3b946e 100644
--- a/Iceberg-Metacello-Integration/IceGithubRepositoryType.class.st
+++ b/Iceberg-Metacello-Integration/IceGithubRepositoryType.class.st
@@ -13,24 +13,3 @@ Class {
 IceGithubRepositoryType class >> type [
 	^ 'github'
 ]
-
-{ #category : 'accessing' }
-IceGithubRepositoryType >> mcRepository [
-	| baseRepo |
-	
-	self guessRegisteredRepository
-		ifNotNil: [ :repo | 
-			repo isValid ifTrue: [ ^ repo metacelloAdapter: self projectVersion  ].
-			"If the repo is not valid, we forget it and reget a new one. Because Metacello want to use it"
-			repo forget	].
-		
-	baseRepo := self mcRepositoryClass location: self location.
-	^ (Iceberg icebergRepositoriesURLs includes: baseRepo scpUrl)
-		ifTrue: [ 
-			"Do not use Iceberg to load iceberg code, 
-			see https://github.com/pharo-vcs/iceberg/issues/168"
-			baseRepo ]
-		ifFalse: [  
-			baseRepo getOrCreateIcebergRepository metacelloAdapter: self projectVersion ]
-		
-]
diff --git a/Iceberg-Metacello-Integration/IceProviderRepositoryType.class.st b/Iceberg-Metacello-Integration/IceProviderRepositoryType.class.st
index 4036cf4c81..7b4951ff54 100644
--- a/Iceberg-Metacello-Integration/IceProviderRepositoryType.class.st
+++ b/Iceberg-Metacello-Integration/IceProviderRepositoryType.class.st
@@ -45,16 +45,22 @@ IceProviderRepositoryType >> guessRegisteredRepository [
 
 { #category : 'accessing' }
 IceProviderRepositoryType >> mcRepository [
+
 	| baseRepo |
-	
-	self guessRegisteredRepository
-		ifNotNil: [ :repo | 
-			repo isValid ifTrue: [ ^ repo metacelloAdapter: self projectVersion ].
-			"If the repo is not valid, we forget it and reget a new one. 
-			 Because Metacello want to use it"
-			repo forget ].
+	self guessRegisteredRepository ifNotNil: [ :repo |
+		repo isValid ifTrue: [ ^ repo metacelloAdapter: self projectVersion ].
+		"If the repo is not valid, we forget it and reget a new one.
+			Because Metacello want to use it"
+		repo forget ].
+
 	baseRepo := self mcRepositoryClass location: self location.
-	^ baseRepo getOrCreateIcebergRepository metacelloAdapter: self projectVersion
+	^ (Iceberg icebergRepositoriesURLs includes: baseRepo scpUrl)
+		  ifTrue: [ "Do not use Iceberg to load iceberg code, 
+			see https://github.com/pharo-vcs/iceberg/issues/168"
+			  baseRepo ]
+		  ifFalse: [
+			  baseRepo getOrCreateIcebergRepository metacelloAdapter:
+				  self projectVersion ]
 ]
 
 { #category : 'accessing' }
diff --git a/Iceberg/IceMetacelloRepositoryAdapter.class.st b/Iceberg/IceMetacelloRepositoryAdapter.class.st
index 43f6b91a27..d41a0fd3cf 100644
--- a/Iceberg/IceMetacelloRepositoryAdapter.class.st
+++ b/Iceberg/IceMetacelloRepositoryAdapter.class.st
@@ -59,6 +59,15 @@ IceMetacelloRepositoryAdapter >> description [
 	^ self repository origin url, '[', projectVersion, ']'
 ]
 
+{ #category : 'fetching' }
+IceMetacelloRepositoryAdapter >> fetchPackageNamed: aString [
+	"The fetch operation just makes sure we have the correct version in disk"
+
+	self repository head description = projectVersion ifFalse: [
+		(self repository commitishNamed: projectVersion)
+			checkoutWithStrategy: IceCheckoutDoNotLoadPackages new ]
+]
+
 { #category : 'initialization' }
 IceMetacelloRepositoryAdapter >> flushForScriptGet [
 	"do nothing"
@@ -120,6 +129,18 @@ IceMetacelloRepositoryAdapter >> isValid [
 	^ true
 ]
 
+{ #category : 'accessing' }
+IceMetacelloRepositoryAdapter >> loadPackageNamed: aName intoLoader: aLoader [
+
+	| package found |
+	package := self repository workingCopy packageNamed: aName.
+	found := package latestVersion mcVersion.
+	aLoader addVersion: found.
+	^ {
+		  found.
+		  self }
+]
+
 { #category : 'MonticelloGUI' }
 IceMetacelloRepositoryAdapter >> morphicOpen: workingCopy [
 
@@ -138,6 +159,44 @@ Do you want to open the Iceberg Browser instead?' format: {
 	IceTipRepositoriesBrowser new open
 ]
 
+{ #category : 'accessing' }
+IceMetacelloRepositoryAdapter >> packageNamed: aName [
+
+	^ self packageNamed: aName ifAbsent: [ NotFound signal: aName ]
+]
+
+{ #category : 'accessing' }
+IceMetacelloRepositoryAdapter >> packageNamed: aName ifAbsent: aBlock [
+
+	^ self
+		packageNamed: aName
+		ifPresent: [ :found | found ]
+		ifAbsent: aBlock
+]
+
+{ #category : 'accessing' }
+IceMetacelloRepositoryAdapter >> packageNamed: aName ifPresent: aBlock [
+
+	^ self
+		  packageNamed: aName
+		  ifPresent: aBlock
+		  ifAbsent: [ NotFound signal: aName ]
+]
+
+{ #category : 'accessing' }
+IceMetacelloRepositoryAdapter >> packageNamed: aName ifPresent: presentBlock ifAbsent: absentBlock [
+
+	| package |
+	self repository head description = projectVersion ifFalse: [
+		(self repository commitishNamed: projectVersion)
+			checkoutWithStrategy: IceCheckoutDoNotLoadPackages new ].
+
+	package := self repository workingCopy
+		           packageNamed: aName
+		           ifAbsent: [ ^ absentBlock value ].
+	^ presentBlock value: package latestVersion mcVersion
+]
+
 { #category : 'accessing' }
 IceMetacelloRepositoryAdapter >> projectPath [
 	^ self repository origin projectPath
diff --git a/Iceberg/IceWorkingCopy.class.st b/Iceberg/IceWorkingCopy.class.st
index 0d6ffe7727..782f0cd47b 100644
--- a/Iceberg/IceWorkingCopy.class.st
+++ b/Iceberg/IceWorkingCopy.class.st
@@ -462,20 +462,18 @@ IceWorkingCopy >> loadPackagesNamed: aCollection [
 
 { #category : 'private - monticello' }
 IceWorkingCopy >> loadPackagesNamed: aCollection fromCommit: aCommit [
-	
+
 	aCollection ifEmpty: [ ^ self ].
-	
-	self ignoreNotificationsDuring: [ | loader |
+
+	self ignoreNotificationsDuring: [
+		| loader |
 		loader := MCVersionLoader new.
-		aCollection do: [ :name | | package packageVersion |
+		aCollection do: [ :name |
+			| package packageVersion |
 			package := self packageNamed: name.
-			packageVersion := (IceSavedPackageVersion
-				fromCommit: aCommit
-				package: package)
-					mcVersion.
+			packageVersion := (aCommit versionFor: package) mcVersion.
 			loader addVersion: packageVersion.
-			package beClean.
-		].
+			package beClean ].
 		loader load ]
 ]
 
@@ -560,6 +558,12 @@ IceWorkingCopy >> packageNamed: aString [
 	^ self packagesDictionary at: aString
 ]
 
+{ #category : 'API - packages' }
+IceWorkingCopy >> packageNamed: aString ifAbsent: aBlock [
+	
+	^ self packagesDictionary at: aString ifAbsent: aBlock
+]
+
 { #category : 'API - packages' }
 IceWorkingCopy >> packageNames [