1. Software Configuration Management Andr é van der Hoek Institute for Software Research University of California, Irvine [email_address]

4. Three Generations of CM Systems CCC/Harvest Functionality Proteus Jasmine EPOS VOODOO ShapeTools Asgard NUCM DaSC Vesta Adele ICE Odin Time Source Integrity Continuus CVS PVCS DSEE SCCS NSE ClearCase TRUEchange Serena Endevor Perforce RCS Sablime Research Development

6. Archiving Individual Elements 1.0 1.1 2.0 1.2 2.1 REVISION NEW BASELINE

7. Archiving Individual Elements 1.0 1.1 2.0 1.2 2.1 BRANCH LEADS TO VARIANTS 1.2.1.0 1.2.1.1

8. Archiving Individual Elements 1.0 1.1 2.0 1.2 2.1 MERGE 1.2.1.0 1.2.1.1

9. Archiving Individual Elements 1.0 1.1 2.0 1.2 2.1 1.2.1.0 1.2.1.1 Author = “Andr é v/d Hoek” Date = 01/12/2001 Time = 7:52am Comment = “Trying new stuff” ATTRIBUTES (TAGS)

10. Avoiding Conflicts 1.0 1.1 2.0 1.2 2.1 1.2.1.0 1.2.1.1 Author = “Andr é v/d Hoek” Date = 01/12/2001 Time = 7:52am Comment = “Trying new stuff” Lock = “andre@ics.uci.edu” LOCK

15. Archiving Compound Elements 1.0 1.1 2.0 1.2 2.1 1.2.1.0 1.2.1.1 1.0 2.0 2.2 2.1 2.3 1.0 1.1 1.3 1.2 2.0 2.0.1.0 1.0 1.1 1.2

18. Change Packages 1.0 1.1 2.0 1.2 2.1 1.2.1.0 1.2.1.1 1.0 2.0 2.2 2.1 2.3 1.0 1.1 1.3 1.2 2.0 2.0.1.0 1.0 1.1 1.2 1.0: BASELINE 1.1: BUG FIX for reporting error #16 1.2: FEATURE ADDITION for graphical user interface

19. Change Sets Baseline Bug fix #16 Feature addition #103 Bug fix #17 Feature addition #104 Bug fix #8 Bug fix #16 Bug fix #6 Bug fix #21 AVAILABLE CHANGE SETS SYSTEM SELECTION

23. Fourth Generation ?

25. Long-Term Vision Implementation Deployment System Testing Run-Time Design Components Source Files Features Systems Executables Versioned Components (Architecture)

26. Long-Term Vision Implementation Deployment System Testing Run-Time Design Components Source Files Features Systems Executables Versioned Components (Architecture)

28. M é nage

29. M é nage

30. Long-Term Vision Implementation Deployment System Testing Run-Time Design Components Source Files Features Systems Executables Versioned Components (Architecture)

31. Separation of Repository from Policy CM policy Z (WebDAV) CM policy Y (change set) Current monolithic centralized CM systems Generic and distributed CM repository CM policy X (checkout/checkin) CM system = CM repository + CM policy Examples RCS = ,v files + checkout/checkin TrueCHANGE = flat file + change set

33. Repository Design artifacts trees artifacts trees artifacts trees BOULDER MILANO ROTTERDAM

34. Core Policy Design proc createfederation { myhost collection itshost theartifact } { set user $env(USER) set workspace “/tmp/workws” set filename [file tail $collection] set artifact “//myhost/Artifacts/$collection” set wsartifact “$workspace/$filename” lock $artifact $user nc_open $artifact $workspace nc_initiatechange $wsartifact nc_add //$itshost/theartifact nc_commitchange $wsartifact nc_close $wsartifact nc_removeattribute $artifact “Lock” }

36. Repository Design artifacts trees artifacts trees artifacts trees BOULDER MILANO ROTTERDAM

37. Core Policy Design proc movingcheckout { workspace content version } { set user $env(USER) set host $env(REPOSITORYHOME) set artifact “//$host/Artifacts/$content” set tree “//$host/Trees/$content” set filename [file tail $content] set wsartifact “$workspace/$filename” set storageversion [lindex [ nc_selectversions $artifact “PolicyVersion” $version] 0] set artifact “$artifact:$storageversion” set locked [ nc_testandsetattribute $artifact “Lock” $user] lock $artifact $user nc_open $artifact $workspace nc_initiatechange $wsartifact nc_move $artifact $host nc_move $tree $host }

38. Long-Term Vision Implementation Deployment System Testing Run-Time Design Components Source Files Features Systems Executables Versioned Components (Architecture)

39. Software Deployment: the Problem Producer Consumer

40. Software Deployment: the Problem Producer Consumer

41. Software Deployment: the Problem Producer Consumer

42. Software Deployment: the Problem Producer Consumer

43. Software Deployment Life Cycle Release Retire Reconfig Adapt Remove Update Install Producer Consumer

44. SRM Releasing a complete system of systems.

45. SRM Retrieving a complete system of systems.

46. Software Dock Agent Agent Agent Field Dock Wide-Area Event Service Agent-based deployment. Agent Agent Agent Release Dock Agent Agent Enterprise Dock Agent Field Dock

47. Software Dock Enterprise, distributed control.

48. Long-Term Vision Implementation Deployment System Testing Run-Time Design Components Source Files Features Systems Executables Versioned Components (Architecture)