source/installedfile.cpp

   1 #include <msp/fs/utils.h>
   2 #include "builder.h"
   3 #include "installedfile.h"
   4 #include "sharedlibrary.h"
   5
   6 using namespace std;
   7 using namespace Msp;
   8
   9 InstalledFile::InstalledFile(Builder &b, const SourcePackage &p, FileTarget &s, const string &loc):
  10         FileTarget(b, &p, generate_target_path(b.get_prefix(), s, loc)),
  11         source(s)
  12 {
  13         add_depend(&source);
  14
  15         if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&source))
  16                 if(!shlib->get_soname().empty())
  17                         link = FS::dirname(path)/FS::basename(shlib->get_path());
  18
  19         if(!link.empty())
  20                 builder.get_vfs().register_path(link, this);
  21 }
  22
  23 Target *InstalledFile::get_real_target()
  24 {
  25         return source.get_real_target();
  26 }
  27
  28 void InstalledFile::check_rebuild()
  29 {
  30         if(!mtime)
  31                 mark_rebuild("Does not exist");
  32         else if(source.get_mtime()>mtime || source.get_size()!=size)
  33                 mark_rebuild(source.get_name()+" has changed");
  34         else if(source.needs_rebuild())
  35                 mark_rebuild(source.get_name()+" needs rebuilding");
  36 }
  37
  38 FS::Path InstalledFile::generate_target_path(const FS::Path &prefix, const FileTarget &tgt, const string &loc)
  39 {
  40         if(!tgt.is_installable() && loc.empty())
  41                 throw invalid_argument(tgt.get_name()+" is not installable");
  42
  43         string mid;
  44         if(!loc.empty())
  45                 mid = loc;
  46         else
  47                 mid = tgt.get_install_location();
  48
  49         return prefix/mid/FS::basename(tgt.get_path());
  50 }