source/filetarget.cpp

   1 /* $Id$
   2
   3 This file is part of builder
   4 Copyright © 2009-2010  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <msp/fs/stat.h>
   9 #include <msp/fs/utils.h>
  10 #include <msp/time/utils.h>
  11 #include "builder.h"
  12 #include "filetarget.h"
  13 #include "sourcepackage.h"
  14
  15 using namespace std;
  16 using namespace Msp;
  17
  18 FileTarget::FileTarget(Builder &b, const Package *p, const FS::Path &a):
  19         Target(b, p, FS::basename(a.str())),
  20         path(a),
  21         size(0)
  22 {
  23         builder.add_target(this);
  24
  25         if(FS::Stat st = FS::lstat(path))
  26         {
  27                 mtime = st.get_modify_time();
  28                 size = st.get_size();
  29         }
  30 }
  31
  32 void FileTarget::touch()
  33 {
  34         mtime = Time::now();
  35 }
  36
  37 void FileTarget::check_rebuild()
  38 {
  39         if(!buildable)
  40                 return;
  41
  42         if(builder.get_build_all())
  43                 mark_rebuild("Rebuilding everything");
  44         else if(!mtime)
  45                 mark_rebuild("Does not exist");
  46         else
  47         {
  48                 for(TargetList::iterator i=depends.begin(); (i!=depends.end() && !rebuild); ++i)
  49                 {
  50                         FileTarget *ft = dynamic_cast<FileTarget *>(*i);
  51                         if(ft && ft->get_mtime()>mtime)
  52                                 mark_rebuild((*i)->get_name()+" has changed");
  53                         else if((*i)->get_rebuild())
  54                                 mark_rebuild((*i)->get_name()+" needs rebuilding");
  55                         else
  56                         {
  57                                 Target *real = ft->get_real_target();
  58                                 if(real->get_rebuild())
  59                                         mark_rebuild(real->get_name()+" needs rebuilding");
  60                         }
  61                 }
  62         }
  63
  64         const SourcePackage *spkg = dynamic_cast<const SourcePackage *>(package);
  65         if(!rebuild && spkg && spkg->get_config().get_mtime()>mtime)
  66                 mark_rebuild("Package options changed");
  67 }