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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 VI. This pass computes the dependencies between the changesets |
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## from the file level dependencies and stores them in the state for |
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## use by the cycle breaker and topological sorting passes. |
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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 vc::tools::misc ; # Text formatting. |
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package require vc::tools::log ; # User feedback. |
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package require vc::fossil::import::cvs::state ; # State storage. |
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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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CsetDeps \ |
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{Compute and cache ChangeSet Dependencies} \ |
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::vc::fossil::import::cvs::pass::csetdeps |
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# # ## ### ##### ######## ############# ##################### |
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## |
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snit::type ::vc::fossil::import::cvs::pass::csetdeps { |
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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 project |
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state use file |
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state use revision |
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state use revisionbranchchildren |
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state use branch |
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state use tag |
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state use symbol |
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state use preferedparent |
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state use changeset |
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state use csitem |
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# A table listing for each changeset the set of successor |
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# changesets. The predecessor information is implied. |
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state extend cssuccessor { |
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cid INTEGER NOT NULL REFERENCES changeset, |
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nid INTEGER NOT NULL REFERENCES changeset, |
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UNIQUE (cid,nid) |
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} {cid nid} |
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# Index on both columns for fast forward and back retrieval. |
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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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state use cssuccessor |
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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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set n 0 |
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set max [llength [project::rev all]] |
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foreach cset [project::rev all] { |
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log progress 2 csetdeps $n $max |
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# NOTE: Consider to commit only every N calls. |
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state transaction { |
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$cset determinesuccessors |
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} |
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incr n |
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} |
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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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state discard cssuccessor |
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return |
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} |
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# # ## ### ##### ######## ############# |
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## Internal methods |
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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 csetdeps |
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namespace eval csetdeps { |
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namespace import ::vc::fossil::import::cvs::state |
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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::misc::* |
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namespace import ::vc::tools::log |
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log register csetdeps |
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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::csetdeps 1.0 |
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return |
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