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## -*- tcl -*- |
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# # ## ### ##### ######## ############# ##################### |
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## Copyright (c) 2007 Andreas Kupries. |
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# |
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# This software is licensed as described in the file LICENSE, which |
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# you should have received as part of this distribution. |
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# |
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# This software consists of voluntary contributions made by many |
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# individuals. For exact contribution history, see the revision |
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# history and logs, available at http://fossil-scm.hwaci.com/fossil |
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# # ## ### ##### ######## ############# ##################### |
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## Pass VII. This pass goes over the set of revision based changesets |
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## and breaks all dependency cycles they may be in. We need a |
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## dependency tree. Identical to pass IX, except for the selection of |
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## the changesets. |
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# # ## ### ##### ######## ############# ##################### |
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## Requirements |
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package require Tcl 8.4 ; # Required runtime. |
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package require snit ; # OO system. |
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package require struct::list ; # Higher order list operations. |
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package require vc::tools::log ; # User feedback. |
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package require vc::fossil::import::cvs::repository ; # Repository management. |
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package require vc::fossil::import::cvs::cyclebreaker ; # Breaking dependency cycles. |
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package require vc::fossil::import::cvs::state ; # State storage. |
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package require vc::fossil::import::cvs::integrity ; # State integrity checks. |
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package require vc::fossil::import::cvs::project::rev ; # Project level changesets |
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# # ## ### ##### ######## ############# ##################### |
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## Register the pass with the management |
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vc::fossil::import::cvs::pass define \ |
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BreakRevCsetCycles \ |
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{Break Revision ChangeSet Dependency Cycles} \ |
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::vc::fossil::import::cvs::pass::breakrcycle |
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# # ## ### ##### ######## ############# ##################### |
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## |
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snit::type ::vc::fossil::import::cvs::pass::breakrcycle { |
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# # ## ### ##### ######## ############# |
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## Public API |
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typemethod setup {} { |
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# Define the names and structure of the persistent state of |
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# this pass. |
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state use revision |
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state use symbol |
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state use changeset |
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state use csitem |
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state use cstype |
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state use cssuccessor |
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return |
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} |
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typemethod load {} { |
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# Pass manager interface. Executed to load data computed by |
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# this pass into memory when this pass is skipped instead of |
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# executed. |
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return |
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} |
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typemethod run {} { |
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# Pass manager interface. Executed to perform the |
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# functionality of the pass. |
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cyclebreaker breakcmd {::vc::fossil::import::cvs::cyclebreaker break} |
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state transaction { |
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cyclebreaker run break-rev [myproc Changesets] |
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} |
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repository printcsetstatistics |
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integrity changesets |
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return |
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} |
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typemethod discard {} { |
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# Pass manager interface. Executed for all passes after the |
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# run passes, to remove all data of this pass from the state, |
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# as being out of date. |
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return |
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} |
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# # ## ### ##### ######## ############# |
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## Internal methods |
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proc Changesets {} { |
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log write 2 breakrcycle {Selecting the revision changesets} |
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return [project::rev rev] |
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} |
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# # ## ### ##### ######## ############# |
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## Configuration |
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pragma -hasinstances no ; # singleton |
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pragma -hastypeinfo no ; # no introspection |
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pragma -hastypedestroy no ; # immortal |
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# # ## ### ##### ######## ############# |
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} |
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namespace eval ::vc::fossil::import::cvs::pass { |
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namespace export breakrcycle |
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namespace eval breakrcycle { |
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namespace import ::vc::fossil::import::cvs::cyclebreaker |
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namespace import ::vc::fossil::import::cvs::repository |
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namespace import ::vc::fossil::import::cvs::state |
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namespace import ::vc::fossil::import::cvs::integrity |
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namespace eval project { |
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namespace import ::vc::fossil::import::cvs::project::rev |
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} |
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namespace import ::vc::tools::log |
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log register breakrcycle |
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} |
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} |
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# # ## ### ##### ######## ############# ##################### |
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## Ready |
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package provide vc::fossil::import::cvs::pass::breakrcycle 1.0 |
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return |
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