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Esteban's ChangeLog week of 12 June 2017
by estebanlm＠gmail.com June 20, 2017

June 20, 2017

Hello! This is my weekly ChangeLog, from 12 June 2017 to 18 June 2017. You can see it in a better format by going here: http://log.smallworks.eu/web/search?from=12/6/2017&to=18/6/2017 ChangeLog ========= 15 June 2017: ------------- * I finished an iteration for allowing cherry-pick into [iceberg](http://github.com/pharo-vcs/iceberg). Now, I just need to make it work on 64bits and we will be ready-to-go for releasing it :) 13 June 2017: ------------- * Still "iceberging", I fixed an annoying bug when browsing diff with parent (in all screens that have it), who was trowing a DNU because of course, first commits do not have a parent to compare with. * I've been working on iceberg 0.5. It will incorporate some needed features (to make it appropriate to work on pharo itself, and better for users). This was also my work last week, but I forget to announce it here ;) So far, I added following features: === Better diff handling It was very naive because it was comparing always all present packages which does not scales on large repositories. Now, I implemented a double dispatch that works in different scenarios: * commit -> commit: It relies in libgit2 to take the list of changed packages. * commit -> branch: it takes last commit on branch on continues as commit->commit scenario * loaded code -> commit: this is the most complicated scenario. It compares what is in image with what is in commit to take a correct diff. With this, now diffs are performant in all cases (bah, if you have a commit that changes 300 packages, you will suffer anyway, but I would argue that is not a very good codign practice) Also with this you will finally be able to add not-dirty packages to your repo and commit them :) === Branch sync with disk copy I had a discussion with author of Iceberg (Nico) on this: originally he weanted to treat loaded code in the image as a got working-copy itself, so he was taking the information of the branch and keepong it. Problem with this is, if you change the repository branch (in command line or another image) and then go back to your current image, you do not have any feedback... and that is severely confusing. So now I'm just taking the information from git repository. That means you can have differences between what you loaded and your current branch, but that's, IMO, perfectly reasonable (you can always switch back or merge or whatever you need to do) === Other * Minor cleanups * Other bugfixes cheers! Esteban

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Pharo in a read-only environment survey
by JÃ©rÃ©mie Regnault June 20, 2017

June 20, 2017

Hi, I'm working on Pharo deployment in a read-only environment, and I want to know what behavior you want Pharo to adopt. If you could take 5-10 minutes to fill my survey, it would be nice : https://goo.gl/forms/8S7w4079NDfBrsVu1 Thank you, -- JÃ©rÃ©mie Regnault

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Found an error
by JÃ©rÃ©mie Regnault June 20, 2017

June 20, 2017

Hi, I just found an error that made my VM crash during a test, I join the log file for full trace: [...] TestExecutionEnvironment>>runTestCase: Recursive not understood error encountered [...] SSmalltalk stack dump: 0xffeed824 M Continuation>initializeFromContext: 0xa272308: a(n) Continuation 0xffeed848 I Continuation class>fromContext: 0xa8653d8: a(n) Continuation class 0xffeed870 I Continuation class>currentDo: 0xa8653d8: a(n) Continuation class 0xffeed894 I ContinuationTest>callcc: 0xd3741a8: a(n) ContinuationTest 0xffeed8b4 M ContinuationTest>testBlockEscape 0xd3741a8: a(n) ContinuationTest 0xffeed8d4 I ContinuationTest(TestCase)>performTest 0xd3741a8: a(n) ContinuationTest 0xffeed8ec M [] in ContinuationTest(TestCase)>runCase 0xd3741a8: a(n) ContinuationTest 0xffeed90c M BlockClosure>ensure: 0xa272188: a(n) BlockClosure 0xffeed928 M ContinuationTest(TestCase)>runCase 0xd3741a8: a(n) ContinuationTest 0xffeed944 M [] in TestExecutionEnvironment>runTestCaseSafelly: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed95c M BlockClosure>on:do: 0xa2720e0: a(n) BlockClosure 0xffeed980 M [] in TestExecutionEnvironment>runTestCaseSafelly: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed998 M BlockClosure>on:do: 0xa271ff8: a(n) BlockClosure 0xffeed9b8 M TestExecutionEnvironment>runTestCaseSafelly: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed9d8 M [] in TestExecutionEnvironment>runTestCase: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed9f8 M BlockClosure>ensure: 0xa271f68: a(n) BlockClosure 0xffeeda18 M [] in TestExecutionEnvironment>runTestCase: 0xa26f748: a(n) TestExecutionEnvironment 0xffeeda38 M BlockClosure>ifCurtailed: 0xa271ed8: a(n) BlockClosure 0xffeeda54 M TestExecutionEnvironment>runTestCase: 0xa26f748: a(n) TestExecutionEnvironment 0xffeeda70 M CurrentExecutionEnvironment class>runTestCase: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffeeda8c M ContinuationTest(TestCase)>runCaseManaged 0xd3741a8: a(n) ContinuationTest 0xffeedaa8 M [] in TestResult>runCase: 0xd3a0d78: a(n) TestResult 0xffeedac0 M BlockClosure>on:do: 0xa270298: a(n) BlockClosure 0xffeedae0 M TestResult>runCase: 0xd3a0d78: a(n) TestResult 0xffeedafc M ContinuationTest(TestCase)>run: 0xd3741a8: a(n) ContinuationTest 0xffeedb1c M [] in TestSuite>runUnmanaged: 0xd3ab018: a(n) TestSuite 0xffeedb40 M OrderedCollection>do: 0xd3b4420: a(n) OrderedCollection 0xffeedb60 M [] in TestSuite>runUnmanaged: 0xd3ab018: a(n) TestSuite 0xffee5914 M BlockClosure>ensure: 0xa270190: a(n) BlockClosure 0xffee5930 M TestSuite>runUnmanaged: 0xd3ab018: a(n) TestSuite 0xffee5950 M [] in TestSuite>run: 0xd3ab018: a(n) TestSuite 0xffee5970 M [] in CurrentExecutionEnvironment class>activate:for: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffee5990 M BlockClosure>ensure: 0xa26f8b8: a(n) BlockClosure 0xffee59b0 M CurrentExecutionEnvironment class>activate:for: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffee59d0 M TestExecutionEnvironment(ExecutionEnvironment)>beActiveDuring: 0xa26f748: a(n) TestExecutionEnvironment 0xffee59ec M DefaultExecutionEnvironment>runTestsBy: 0xb2fa508: a(n) DefaultExecutionEnvironment 0xffee5a08 M CurrentExecutionEnvironment class>runTestsBy: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffee5a24 M TestSuite>run: 0xd3ab018: a(n) TestSuite 0xffee5a40 M [] in TestRunner>runSuite: 0xd29f930: a(n) TestRunner 0xffee5a60 M BlockClosure>cull:cull: 0xa26f408: a(n) BlockClosure 0xffee5a88 M [] in TestRunner>executeSuite:as: 0xd29f930: a(n) TestRunner 0xffee5aa8 M BlockClosure>ensure: 0xa26f698: a(n) BlockClosure 0xffee5ac4 M TestRunner>executeSuite:as: 0xd29f930: a(n) TestRunner 0xffee5ae4 M TestRunner>runSuite: 0xd29f930: a(n) TestRunner 0xffee5b00 M [] in TestRunner>runTestSuites: 0xd29f930: a(n) TestRunner 0xffee5b34 M [] in Set(Collection)>do:displayingProgress:every: 0xd3a5bc8: a(n) Set 0xffee5b5c M Set>do: 0xd3a5bc8: a(n) Set 0xd446d60 s [] in Set(Collection)>do:displayingProgress:every: 0xd45c728 s BlockClosure>cull: 0xd462fe8 s [] in Job>run 0xd463480 s [] in CurrentJob(DynamicVariable)>value:during: 0xd463790 s BlockClosure>ensure: 0xd447088 s CurrentJob(DynamicVariable)>value:during: 0xd45c788 s CurrentJob class(DynamicVariable class)>value:during: 0xd4470e8 s [] in Job>run 0xd447160 s BlockClosure>ensure: 0xd446e38 s Job>run 0xd45c518 s MorphicUIManager(UIManager)>displayProgress:from:to:during: 0xd462e68 s ByteString(String)>displayProgressFrom:to:during: 0xd4454f8 s Set(Collection)>do:displayingProgress:every: 0xd45c578 s Set(Collection)>do:displayingProgress: 0xd446d00 s [] in TestRunner>runTestSuites: 0xd45c5d8 s [] in CurrentExecutionEnvironment class>activate:for: 0xd462ec8 s BlockClosure>ensure: 0xd446f00 s CurrentExecutionEnvironment class>activate:for: 0xd45c638 s TestExecutionEnvironment(ExecutionEnvironment)>beActiveDuring: 0xd462f28 s DefaultExecutionEnvironment>runTestsBy: 0xd463420 s CurrentExecutionEnvironment class>runTestsBy: 0xd446dd8 s TestRunner>runTestSuites: 0xd45c2a8 s TestRunner>runAll 0xd462ce8 s PluggableButtonMorph>performAction: 0xd463300 s [] in PluggableButtonMorph>mouseUp: 0xd3a5c40 s Array(SequenceableCollection)>do: 0xd3a5ca0 s PluggableButtonMorph>mouseUp: 0xd45c388 s PluggableButtonMorph(Morph)>handleMouseUp: 0xd462d48 s MouseButtonEvent>sentTo: 0xd463360 s PluggableButtonMorph(Morph)>handleEvent: 0xd4636d0 s PluggableButtonMorph(Morph)>handleFocusEvent: 0xd463d60 s [] in HandMorph>sendFocusEvent:to:clear: 0xd463fe0 s BlockClosure>on:do: 0xd3a5d78 s WorldMorph(PasteUpMorph)>becomeActiveDuring: 0xd3a5dd8 s HandMorph>sendFocusEvent:to:clear: 0xd45c3e8 s HandMorph>sendEvent:focus:clear: 0xd3a5e50 s HandMorph>sendMouseEvent: 0xd45c448 s HandMorph>handleEvent: 0xd462da8 s MouseClickState>handleEvent:from: 0xd4633c0 s HandMorph>handleEvent: 0xd463730 s HandMorph>processEventsFromQueue: 0xd463dc0 s HandMorph>processEvents 0xd464040 s [] in WorldState>doOneCycleNowFor: 0xd4640a0 s Array(SequenceableCollection)>do: 0xd464100 s WorldState>handsDo: 0xd3a5f28 s WorldState>doOneCycleNowFor: 0xd45c4a8 s WorldState>doOneCycleFor: 0xd462e08 s WorldMorph>doOneCycle 0xd3a5f88 s WorldMorph class>doOneCycle 0xcfcbeb0 s [] in MorphicUIManager>spawnNewProcess 0xcfcbf10 s [] in BlockClosure>newProcessmalltalk stack dump: 0xffeed824 M Continuation>initializeFromContext: 0xa272308: a(n) Continuation 0xffeed848 I Continuation class>fromContext: 0xa8653d8: a(n) Continuation class 0xffeed870 I Continuation class>currentDo: 0xa8653d8: a(n) Continuation class 0xffeed894 I ContinuationTest>callcc: 0xd3741a8: a(n) ContinuationTest 0xffeed8b4 M ContinuationTest>testBlockEscape 0xd3741a8: a(n) ContinuationTest 0xffeed8d4 I ContinuationTest(TestCase)>performTest 0xd3741a8: a(n) ContinuationTest 0xffeed8ec M [] in ContinuationTest(TestCase)>runCase 0xd3741a8: a(n) ContinuationTest 0xffeed90c M BlockClosure>ensure: 0xa272188: a(n) BlockClosure 0xffeed928 M ContinuationTest(TestCase)>runCase 0xd3741a8: a(n) ContinuationTest 0xffeed944 M [] in TestExecutionEnvironment>runTestCaseSafelly: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed95c M BlockClosure>on:do: 0xa2720e0: a(n) BlockClosure 0xffeed980 M [] in TestExecutionEnvironment>runTestCaseSafelly: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed998 M BlockClosure>on:do: 0xa271ff8: a(n) BlockClosure 0xffeed9b8 M TestExecutionEnvironment>runTestCaseSafelly: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed9d8 M [] in TestExecutionEnvironment>runTestCase: 0xa26f748: a(n) TestExecutionEnvironment 0xffeed9f8 M BlockClosure>ensure: 0xa271f68: a(n) BlockClosure 0xffeeda18 M [] in TestExecutionEnvironment>runTestCase: 0xa26f748: a(n) TestExecutionEnvironment 0xffeeda38 M BlockClosure>ifCurtailed: 0xa271ed8: a(n) BlockClosure 0xffeeda54 M TestExecutionEnvironment>runTestCase: 0xa26f748: a(n) TestExecutionEnvironment 0xffeeda70 M CurrentExecutionEnvironment class>runTestCase: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffeeda8c M ContinuationTest(TestCase)>runCaseManaged 0xd3741a8: a(n) ContinuationTest 0xffeedaa8 M [] in TestResult>runCase: 0xd3a0d78: a(n) TestResult 0xffeedac0 M BlockClosure>on:do: 0xa270298: a(n) BlockClosure 0xffeedae0 M TestResult>runCase: 0xd3a0d78: a(n) TestResult 0xffeedafc M ContinuationTest(TestCase)>run: 0xd3741a8: a(n) ContinuationTest 0xffeedb1c M [] in TestSuite>runUnmanaged: 0xd3ab018: a(n) TestSuite 0xffeedb40 M OrderedCollection>do: 0xd3b4420: a(n) OrderedCollection 0xffeedb60 M [] in TestSuite>runUnmanaged: 0xd3ab018: a(n) TestSuite 0xffee5914 M BlockClosure>ensure: 0xa270190: a(n) BlockClosure 0xffee5930 M TestSuite>runUnmanaged: 0xd3ab018: a(n) TestSuite 0xffee5950 M [] in TestSuite>run: 0xd3ab018: a(n) TestSuite 0xffee5970 M [] in CurrentExecutionEnvironment class>activate:for: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffee5990 M BlockClosure>ensure: 0xa26f8b8: a(n) BlockClosure 0xffee59b0 M CurrentExecutionEnvironment class>activate:for: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffee59d0 M TestExecutionEnvironment(ExecutionEnvironment)>beActiveDuring: 0xa26f748: a(n) TestExecutionEnvironment 0xffee59ec M DefaultExecutionEnvironment>runTestsBy: 0xb2fa508: a(n) DefaultExecutionEnvironment 0xffee5a08 M CurrentExecutionEnvironment class>runTestsBy: 0xafbb690: a(n) CurrentExecutionEnvironment class 0xffee5a24 M TestSuite>run: 0xd3ab018: a(n) TestSuite 0xffee5a40 M [] in TestRunner>runSuite: 0xd29f930: a(n) TestRunner 0xffee5a60 M BlockClosure>cull:cull: 0xa26f408: a(n) BlockClosure 0xffee5a88 M [] in TestRunner>executeSuite:as: 0xd29f930: a(n) TestRunner 0xffee5aa8 M BlockClosure>ensure: 0xa26f698: a(n) BlockClosure 0xffee5ac4 M TestRunner>executeSuite:as: 0xd29f930: a(n) TestRunner 0xffee5ae4 M TestRunner>runSuite: 0xd29f930: a(n) TestRunner 0xffee5b00 M [] in TestRunner>runTestSuites: 0xd29f930: a(n) TestRunner 0xffee5b34 M [] in Set(Collection)>do:displayingProgress:every: 0xd3a5bc8: a(n) Set 0xffee5b5c M Set>do: 0xd3a5bc8: a(n) Set 0xd446d60 s [] in Set(Collection)>do:displayingProgress:every: 0xd45c728 s BlockClosure>cull: 0xd462fe8 s [] in Job>run 0xd463480 s [] in CurrentJob(DynamicVariable)>value:during: 0xd463790 s BlockClosure>ensure: 0xd447088 s CurrentJob(DynamicVariable)>value:during: 0xd45c788 s CurrentJob class(DynamicVariable class)>value:during: 0xd4470e8 s [] in Job>run 0xd447160 s BlockClosure>ensure: 0xd446e38 s Job>run 0xd45c518 s MorphicUIManager(UIManager)>displayProgress:from:to:during: 0xd462e68 s ByteString(String)>displayProgressFrom:to:during: 0xd4454f8 s Set(Collection)>do:displayingProgress:every: 0xd45c578 s Set(Collection)>do:displayingProgress: 0xd446d00 s [] in TestRunner>runTestSuites: 0xd45c5d8 s [] in CurrentExecutionEnvironment class>activate:for: 0xd462ec8 s BlockClosure>ensure: 0xd446f00 s CurrentExecutionEnvironment class>activate:for: 0xd45c638 s TestExecutionEnvironment(ExecutionEnvironment)>beActiveDuring: 0xd462f28 s DefaultExecutionEnvironment>runTestsBy: 0xd463420 s CurrentExecutionEnvironment class>runTestsBy: 0xd446dd8 s TestRunner>runTestSuites: 0xd45c2a8 s TestRunner>runAll 0xd462ce8 s PluggableButtonMorph>performAction: 0xd463300 s [] in PluggableButtonMorph>mouseUp: 0xd3a5c40 s Array(SequenceableCollection)>do: 0xd3a5ca0 s PluggableButtonMorph>mouseUp: 0xd45c388 s PluggableButtonMorph(Morph)>handleMouseUp: 0xd462d48 s MouseButtonEvent>sentTo: 0xd463360 s PluggableButtonMorph(Morph)>handleEvent: 0xd4636d0 s PluggableButtonMorph(Morph)>handleFocusEvent: 0xd463d60 s [] in HandMorph>sendFocusEvent:to:clear: 0xd463fe0 s BlockClosure>on:do: 0xd3a5d78 s WorldMorph(PasteUpMorph)>becomeActiveDuring: 0xd3a5dd8 s HandMorph>sendFocusEvent:to:clear: 0xd45c3e8 s HandMorph>sendEvent:focus:clear: 0xd3a5e50 s HandMorph>sendMouseEvent: 0xd45c448 s HandMorph>handleEvent: 0xd462da8 s MouseClickState>handleEvent:from: 0xd4633c0 s HandMorph>handleEvent: 0xd463730 s HandMorph>processEventsFromQueue: 0xd463dc0 s HandMorph>processEvents 0xd464040 s [] in WorldState>doOneCycleNowFor: 0xd4640a0 s Array(SequenceableCollection)>do: 0xd464100 s WorldState>handsDo: 0xd3a5f28 s WorldState>doOneCycleNowFor: 0xd45c4a8 s WorldState>doOneCycleFor: 0xd462e08 s WorldMorph>doOneCycle 0xd3a5f88 s WorldMorph class>doOneCycle 0xcfcbeb0 s [] in MorphicUIManager>spawnNewProcess 0xcfcbf10 s [] in BlockClosure>newProcess -- JÃ©rÃ©mie Regnault portable : 06.41.93.47.26

2 1

aSortedCollection collect: returns OrderedCollection instead of original sorted
by Denis Kudriashov June 19, 2017

June 19, 2017

Hi. I just found that #() asSortedCollection select: [ ] => SortedCollection #() asSortedCollection collect: [ ] => OrderedCollection It feels like a bug to me. But maybe there is a reason why sorted collection collects items as OrderedCollection instead of original kind of sort? My usercase was copy of object with sorted collection inside. For this I just manually collect copy of each item. But at the end my copy became broken because of sort was important for domain logic. Best regards, Denis

4 4

Extra shortcut modifier opposite to #meta
by Denis Kudriashov June 19, 2017

June 19, 2017

Hi. There was long discussion about some Spotter shortcut issue http://forum.world.st/GT-Spotter-dive-in-shortcut-td4899612.html. Problem: for back/forward navigation Spotter uses #meta modifier for shortcut which overrides standard text navigation. Suggested solution: introduce kind of "alternative meta" to get opposite values for Mac and Windows relative to normal meta. It should get platform independent modifier which not overlaps with text navigation. I not found anything implemented. Let's do it in Pharo 7. What name should be used? I like #alternativeMeta Best regards, Denis

4 6

GT questions
by Torsten Bergmann June 19, 2017

June 19, 2017

Hi, do we have an example on Glamorous Toolkit on 1. how to have a splitter between a pane (for instance to change size for left and right pane on a #dashboard) 2. how to have vertical tabs in a #tabulator 3. on how to use D&D from GT from a list or tree to the world? Thanks T.

1 0

Doing a pull request
by Rajula Vineet June 18, 2017

June 18, 2017

Hi, I am a GSoC student working on enhancing pharo command line interface. I was wondering if there is a procedure to make a pull request to the Github repo. It would be really helpful if someone can explain the right way of doing a Pull Request. Thanks in advance. Rajula -- View this message in context: http://forum.world.st/Doing-a-pull-request-tp4951443.html Sent from the Pharo Smalltalk Developers mailing list archive at Nabble.com.

10 17

Why allChildrenMatching: does not match extension?
by Stephane Ducasse June 18, 2017

June 18, 2017

Why allChildrenMatching: does not match extension? allChildrenMatching: aPattern "Return all the files and folders recursively nested in the receiver and matching the pattern, aPattern" ^ self allChildren select: [ :each | aPattern match: each basename ] I would rename allChildrenMatching: aPattern into allChildrenNameMatching: aPattern

1 0

PharoDays17 Slides and some Videos
by Marcus Denker June 16, 2017

June 16, 2017

Hi, I have uploaded the Slides and Videos of PharoDays2017. Slides are complete (minus those talks that were due demos). For the Videos we have right now 8 talks and the âShow Us Your Projectâ session. More might come in the future (I need to check). Slides: - https://www.slideshare.net/pharoproject/presentations - http://files.pharo.org/conferences/2017PharoDays/ PlayList: https://www.youtube.com/playlist?list=PL4actYd6bfnw7ous5We-XnWq0NZquP3gM

3 6

Why don't the Zero Conf examples show how to launch Pharo?
by Tim Mackinnon June 15, 2017

June 15, 2017

Hi - I was wondering why the command line section on the http://pharo.org/web/download <http://pharo.org/web/download> page, doesnât show you how to then launch the app you have just downloaded? Iâm not sure if there is a way to do it all on one line (I tried && ./pharo-ui Pharo.image - but this doesnât work). However I think the website example should at least have: # then run it ./pharo-ui Pharo.image Otherwise we make it harder for people to figure out what to do with the program weâve pointed them to? Tim

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