source/filetarget.cpp

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